{"id":27036,"date":"2024-12-30T18:37:41","date_gmt":"2024-12-30T10:37:41","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=27036"},"modified":"2026-04-13T13:08:20","modified_gmt":"2026-04-13T05:08:20","slug":"spd-type1-vs-type2-vs-type-3","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/","title":{"rendered":"Tipo 1 vs Tipo 2 vs Tipo 3 SPD: El libro blanco definitivo para la protecci\u00f3n global contra sobretensiones"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#introduction\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-i-the-technical-foundation-%e2%80%93-defining-spd-types\" >Part I: The Technical Foundation \u2013 Defining SPD Types<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#type-1-spd-lightning-arrester-class-i\" >Type 1 SPD: Lightning Arrester (Class I)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#type-2-spd-main-protection-class-ii\" >Type 2 SPD: Main Protection (Class II)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#type-3-spd-point-of-use-protection-class-iii\" >Type 3 SPD: Point-of-Use Protection (Class III)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-ii-the-physics-of-waveforms-%e2%80%93-10350%c2%b5s-vs-820%c2%b5s\" >Part II: The Physics of Waveforms \u2013 10\/350\u00b5s vs 8\/20\u00b5s<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#10350%c2%b5s-waveform-direct-lightning\" >10\/350\u00b5s Waveform (Direct Lightning)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#820%c2%b5s-waveform-indirect-surge\" >8\/20\u00b5s Waveform (Indirect Surge)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-iii-comparison-table\" >Part III: Comparison Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-iv-coordination-cascading-%e2%80%93-the-10-meter-rule\" >Part IV: Coordination &amp; Cascading \u2013 The 10 Meter Rule<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#why-coordination-matters\" >Why Coordination Matters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#coordination-distance\" >Coordination Distance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#type-12-combined-spd\" >Type 1+2 Combined SPD<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-v-b2b-sourcing-advantage-%e2%80%93-the-leeyee-difference\" >Part V: B2B Sourcing Advantage \u2013 The LEEYEE Difference<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#risk-mitigation\" >Risk Mitigation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#production-capacity\" >Production Capacity<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#part-vi-procurement-guide-%e2%80%93-5-red-flags-when-buying-spds\" >Part VI: Procurement Guide \u2013 5 Red Flags When Buying SPDs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#1-fake-type-1-claims\" >1. Fake Type 1 Claims<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#2-no-thermal-protection\" >2. No Thermal Protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#3-high-voltage-protection-level\" >3. High Voltage Protection Level<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#4-fake-certificates\" >4. Fake Certificates<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#5-no-product-liability-insurance\" >5. No Product Liability Insurance<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#frequently-asked-questions-faq\" >Frequently Asked Questions (FAQ)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#do-i-need-a-type-1-spd-if-i-dont-have-a-lightning-rod\" >Do I need a Type 1 SPD if I don&#8217;t have a lightning rod?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#what-is-the-difference-between-iimp-and-imax\" >What is the difference between Iimp and Imax?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#can-i-use-only-a-type-1-spd\" >Can I use only a Type 1 SPD?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#how-often-should-spds-be-replaced\" >How often should SPDs be replaced?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#what-is-a-31-spd-configuration\" >What is a 3+1 SPD configuration?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#does-leeyee-support-oem-odm\" >Does LEEYEE support OEM \/ ODM?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/#conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"565\" data-end=\"580\"><span class=\"ez-toc-section\" id=\"introduction\"><\/span>Introduction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"582\" data-end=\"779\">In the modern electrical landscape, where infrastructure is increasingly interconnected and sensitive, the <strong data-start=\"689\" data-end=\"722\">Surge Protective Device (SPD)<\/strong> has evolved from a luxury to a non-negotiable necessity.<\/p>\n<p data-start=\"781\" data-end=\"993\">For industrial facilities, commercial complexes, and critical data centers, the choice between <strong data-start=\"876\" data-end=\"911\">Type 1, Type 2, and Type 3 SPDs<\/strong> can determine whether a system remains resilient or suffers catastrophic failure.<\/p>\n<p data-start=\"995\" data-end=\"1110\">A single lightning strike or severe grid transient can cause millions in equipment damage and operational downtime.<\/p>\n<p data-start=\"1112\" data-end=\"1294\">For professional distributors and procurement managers, understanding SPD types is not only about technical compliance but also about <strong data-start=\"1246\" data-end=\"1293\">risk management and long-term profitability<\/strong>.<\/p>\n<p data-start=\"1296\" data-end=\"1549\">At <strong data-start=\"1299\" data-end=\"1319\">LEEYEE Electrics<\/strong>, we have specialized in low-voltage protection devices since <strong data-start=\"1381\" data-end=\"1389\">2009<\/strong>. Operating from our <strong data-start=\"1410\" data-end=\"1469\">8,000 m\u00b2 manufacturing facility with 8 production lines<\/strong>, we supply high-performance SPDs to European, American, and Australian markets.<\/p>\n<p data-start=\"1551\" data-end=\"1676\">This whitepaper explains the <strong data-start=\"1580\" data-end=\"1651\">technical principles, waveform physics, and sourcing considerations<\/strong> for professional buyers.<\/p>\n<hr data-start=\"1678\" data-end=\"1681\" \/>\n<h2 data-start=\"1683\" data-end=\"1739\"><span class=\"ez-toc-section\" id=\"part-i-the-technical-foundation-%e2%80%93-defining-spd-types\"><\/span>Part I: The Technical Foundation \u2013 Defining SPD Types<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1741\" data-end=\"1877\">Surge Protective Devices are categorized based on their <strong data-start=\"1797\" data-end=\"1822\">installation location<\/strong> and the <strong data-start=\"1831\" data-end=\"1876\">type of surge they are designed to handle<\/strong>.<\/p>\n<p data-start=\"1879\" data-end=\"1931\">This classification follows international standards:<\/p>\n<ul data-start=\"1933\" data-end=\"1969\">\n<li data-start=\"1933\" data-end=\"1951\">\n<p data-start=\"1935\" data-end=\"1951\"><strong data-start=\"1935\" data-end=\"1951\">IEC 61643-11<\/strong><\/p>\n<\/li>\n<li data-start=\"1952\" data-end=\"1969\">\n<p data-start=\"1954\" data-end=\"1969\"><strong data-start=\"1954\" data-end=\"1969\">EN 61643-11<\/strong><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1971\" data-end=\"2015\"><span class=\"ez-toc-section\" id=\"type-1-spd-lightning-arrester-class-i\"><\/span>Type 1 SPD: Lightning Arrester (Class I)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2017\" data-end=\"2089\">Type 1 SPDs are designed to handle <strong data-start=\"2052\" data-end=\"2088\">direct lightning strike currents<\/strong>.<\/p>\n<p data-start=\"2091\" data-end=\"2103\"><strong data-start=\"2091\" data-end=\"2103\">Location<\/strong><\/p>\n<ul data-start=\"2104\" data-end=\"2170\">\n<li data-start=\"2104\" data-end=\"2170\">\n<p data-start=\"2106\" data-end=\"2170\">Installed at the <strong data-start=\"2123\" data-end=\"2170\">service entrance or main distribution board<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2172\" data-end=\"2189\"><strong data-start=\"2172\" data-end=\"2189\">Test Waveform<\/strong><\/p>\n<ul data-start=\"2190\" data-end=\"2227\">\n<li data-start=\"2190\" data-end=\"2227\">\n<p data-start=\"2192\" data-end=\"2227\"><strong data-start=\"2192\" data-end=\"2227\">10\/350\u00b5s impulse current (Iimp)<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2229\" data-end=\"2241\"><strong data-start=\"2229\" data-end=\"2241\">Function<\/strong><\/p>\n<ul data-start=\"2242\" data-end=\"2332\">\n<li data-start=\"2242\" data-end=\"2332\">\n<p data-start=\"2244\" data-end=\"2332\">Diverts massive lightning energy from lightning rods or overhead lines safely to ground.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2334\" data-end=\"2354\"><strong data-start=\"2334\" data-end=\"2354\">LEEYEE Advantage<\/strong><\/p>\n<ul data-start=\"2356\" data-end=\"2464\">\n<li data-start=\"2356\" data-end=\"2414\">\n<p data-start=\"2358\" data-end=\"2414\">High-capacity <strong data-start=\"2372\" data-end=\"2414\">Spark Gap or heavy-duty MOV technology<\/strong><\/p>\n<\/li>\n<li data-start=\"2415\" data-end=\"2464\">\n<p data-start=\"2417\" data-end=\"2464\">Iimp capability up to <strong data-start=\"2439\" data-end=\"2464\">25kA or 50kA per pole<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2466\" data-end=\"2469\" \/>\n<h3 data-start=\"2471\" data-end=\"2513\"><span class=\"ez-toc-section\" id=\"type-2-spd-main-protection-class-ii\"><\/span>Type 2 SPD: Main Protection (Class II)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2515\" data-end=\"2599\">Type 2 SPDs protect against <strong data-start=\"2543\" data-end=\"2598\">indirect lightning strikes and switching transients<\/strong>.<\/p>\n<p data-start=\"2601\" data-end=\"2613\"><strong data-start=\"2601\" data-end=\"2613\">Location<\/strong><\/p>\n<ul data-start=\"2615\" data-end=\"2685\">\n<li data-start=\"2615\" data-end=\"2685\">\n<p data-start=\"2617\" data-end=\"2685\">Installed in <strong data-start=\"2630\" data-end=\"2685\">main distribution boards or sub-distribution boards<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2687\" data-end=\"2704\"><strong data-start=\"2687\" data-end=\"2704\">Test Waveform<\/strong><\/p>\n<ul data-start=\"2706\" data-end=\"2749\">\n<li data-start=\"2706\" data-end=\"2749\">\n<p data-start=\"2708\" data-end=\"2749\"><strong data-start=\"2708\" data-end=\"2749\">8\/20\u00b5s nominal discharge current (In)<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2751\" data-end=\"2763\"><strong data-start=\"2751\" data-end=\"2763\">Function<\/strong><\/p>\n<ul data-start=\"2765\" data-end=\"2893\">\n<li data-start=\"2765\" data-end=\"2809\">\n<p data-start=\"2767\" data-end=\"2809\">Clamps residual voltage from upstream SPDs<\/p>\n<\/li>\n<li data-start=\"2810\" data-end=\"2893\">\n<p data-start=\"2812\" data-end=\"2893\">Protects against switching surges from motors, transformers, or grid disturbances<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2895\" data-end=\"2915\"><strong data-start=\"2895\" data-end=\"2915\">LEEYEE Advantage<\/strong><\/p>\n<ul data-start=\"2917\" data-end=\"2998\">\n<li data-start=\"2917\" data-end=\"2944\">\n<p data-start=\"2919\" data-end=\"2944\">Example: <strong data-start=\"2928\" data-end=\"2944\">LY2-C Series<\/strong><\/p>\n<\/li>\n<li data-start=\"2945\" data-end=\"2998\">\n<p data-start=\"2947\" data-end=\"2998\">Optimized <strong data-start=\"2957\" data-end=\"2998\">Voltage Protection Level (Up &lt; 1.5kV)<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3000\" data-end=\"3003\" \/>\n<h3 data-start=\"3005\" data-end=\"3056\"><span class=\"ez-toc-section\" id=\"type-3-spd-point-of-use-protection-class-iii\"><\/span>Type 3 SPD: Point-of-Use Protection (Class III)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3058\" data-end=\"3124\">Type 3 SPDs provide <strong data-start=\"3078\" data-end=\"3123\">fine protection for sensitive electronics<\/strong>.<\/p>\n<p data-start=\"3126\" data-end=\"3138\"><strong data-start=\"3126\" data-end=\"3138\">Location<\/strong><\/p>\n<ul data-start=\"3140\" data-end=\"3195\">\n<li data-start=\"3140\" data-end=\"3195\">\n<p data-start=\"3142\" data-end=\"3195\">Installed <strong data-start=\"3152\" data-end=\"3195\">close to equipment (within 5\u201310 meters)<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3197\" data-end=\"3214\"><strong data-start=\"3197\" data-end=\"3214\">Test Waveform<\/strong><\/p>\n<ul data-start=\"3216\" data-end=\"3278\">\n<li data-start=\"3216\" data-end=\"3278\">\n<p data-start=\"3218\" data-end=\"3238\"><strong data-start=\"3218\" data-end=\"3238\">Combination Wave<\/strong><\/p>\n<ul data-start=\"3241\" data-end=\"3278\">\n<li data-start=\"3241\" data-end=\"3259\">\n<p data-start=\"3243\" data-end=\"3259\">1.2\/50\u00b5s voltage<\/p>\n<\/li>\n<li data-start=\"3262\" data-end=\"3278\">\n<p data-start=\"3264\" data-end=\"3278\">8\/20\u00b5s current<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"3280\" data-end=\"3292\"><strong data-start=\"3280\" data-end=\"3292\">Function<\/strong><\/p>\n<ul data-start=\"3294\" data-end=\"3385\">\n<li data-start=\"3294\" data-end=\"3385\">\n<p data-start=\"3296\" data-end=\"3331\">Protects sensitive devices such as:<\/p>\n<ul data-start=\"3334\" data-end=\"3385\">\n<li data-start=\"3334\" data-end=\"3351\">\n<p data-start=\"3336\" data-end=\"3351\">PLC controllers<\/p>\n<\/li>\n<li data-start=\"3354\" data-end=\"3363\">\n<p data-start=\"3356\" data-end=\"3363\">Servers<\/p>\n<\/li>\n<li data-start=\"3366\" data-end=\"3385\">\n<p data-start=\"3368\" data-end=\"3385\">Medical equipment<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"3387\" data-end=\"3407\"><strong data-start=\"3387\" data-end=\"3407\">LEEYEE Advantage<\/strong><\/p>\n<ul data-start=\"3409\" data-end=\"3489\">\n<li data-start=\"3409\" data-end=\"3426\">\n<p data-start=\"3411\" data-end=\"3426\">Compact designs<\/p>\n<\/li>\n<li data-start=\"3427\" data-end=\"3489\">\n<p data-start=\"3429\" data-end=\"3489\">Can be integrated into <strong data-start=\"3452\" data-end=\"3489\">power sockets or small enclosures<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3491\" data-end=\"3494\" \/>\n<h2 data-start=\"3496\" data-end=\"3553\"><span class=\"ez-toc-section\" id=\"part-ii-the-physics-of-waveforms-%e2%80%93-10350%c2%b5s-vs-820%c2%b5s\"><\/span>Part II: The Physics of Waveforms \u2013 10\/350\u00b5s vs 8\/20\u00b5s<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3555\" data-end=\"3649\">The key technical difference between <strong data-start=\"3592\" data-end=\"3618\">Type 1 and Type 2 SPDs<\/strong> lies in the <strong data-start=\"3631\" data-end=\"3648\">test waveform<\/strong>.<\/p>\n<h3 data-start=\"3651\" data-end=\"3691\"><span class=\"ez-toc-section\" id=\"10350%c2%b5s-waveform-direct-lightning\"><\/span>10\/350\u00b5s Waveform (Direct Lightning)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3693\" data-end=\"3747\">This waveform simulates a <strong data-start=\"3719\" data-end=\"3746\">direct lightning strike<\/strong>.<\/p>\n<p data-start=\"3749\" data-end=\"3765\">Characteristics:<\/p>\n<ul data-start=\"3767\" data-end=\"3810\">\n<li data-start=\"3767\" data-end=\"3787\">\n<p data-start=\"3769\" data-end=\"3787\"><strong data-start=\"3769\" data-end=\"3787\">10\u00b5s rise time<\/strong><\/p>\n<\/li>\n<li data-start=\"3788\" data-end=\"3810\">\n<p data-start=\"3790\" data-end=\"3810\"><strong data-start=\"3790\" data-end=\"3810\">350\u00b5s decay time<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3812\" data-end=\"3835\">Energy Characteristics:<\/p>\n<ul data-start=\"3837\" data-end=\"3923\">\n<li data-start=\"3837\" data-end=\"3923\">\n<p data-start=\"3839\" data-end=\"3923\">Contains <strong data-start=\"3848\" data-end=\"3873\">about 20\u00d7 more energy<\/strong> than an 8\/20\u00b5s waveform of the same peak current.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3925\" data-end=\"3947\">Engineering Challenge:<\/p>\n<ul data-start=\"3949\" data-end=\"4030\">\n<li data-start=\"3949\" data-end=\"4030\">\n<p data-start=\"3951\" data-end=\"4030\">Only <strong data-start=\"3956\" data-end=\"3976\">true Type 1 SPDs<\/strong> can survive this energy without catastrophic failure.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"4032\" data-end=\"4035\" \/>\n<h3 data-start=\"4037\" data-end=\"4073\"><span class=\"ez-toc-section\" id=\"820%c2%b5s-waveform-indirect-surge\"><\/span>8\/20\u00b5s Waveform (Indirect Surge)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4075\" data-end=\"4151\">This waveform represents <strong data-start=\"4100\" data-end=\"4150\">indirect lightning effects or switching surges<\/strong>.<\/p>\n<p data-start=\"4153\" data-end=\"4169\">Characteristics:<\/p>\n<ul data-start=\"4171\" data-end=\"4212\">\n<li data-start=\"4171\" data-end=\"4190\">\n<p data-start=\"4173\" data-end=\"4190\"><strong data-start=\"4173\" data-end=\"4190\">8\u00b5s rise time<\/strong><\/p>\n<\/li>\n<li data-start=\"4191\" data-end=\"4212\">\n<p data-start=\"4193\" data-end=\"4212\"><strong data-start=\"4193\" data-end=\"4212\">20\u00b5s decay time<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4214\" data-end=\"4237\">Energy Characteristics:<\/p>\n<ul data-start=\"4239\" data-end=\"4301\">\n<li data-start=\"4239\" data-end=\"4267\">\n<p data-start=\"4241\" data-end=\"4267\">Lower energy than 10\/350\u00b5s<\/p>\n<\/li>\n<li data-start=\"4268\" data-end=\"4301\">\n<p data-start=\"4270\" data-end=\"4301\">Occurs <strong data-start=\"4277\" data-end=\"4301\">much more frequently<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4303\" data-end=\"4325\">Engineering Challenge:<\/p>\n<ul data-start=\"4327\" data-end=\"4390\">\n<li data-start=\"4327\" data-end=\"4390\">\n<p data-start=\"4329\" data-end=\"4390\">SPDs must withstand <strong data-start=\"4349\" data-end=\"4389\">thousands of repetitive surge events<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"4392\" data-end=\"4395\" \/>\n<h2 data-start=\"4397\" data-end=\"4426\"><span class=\"ez-toc-section\" id=\"part-iii-comparison-table\"><\/span>Part III: Comparison Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4428\" data-end=\"5058\">\n<thead data-start=\"4428\" data-end=\"4511\">\n<tr data-start=\"4428\" data-end=\"4511\">\n<th class=\"\" data-start=\"4428\" data-end=\"4438\" data-col-size=\"sm\">Feature<\/th>\n<th class=\"\" data-start=\"4438\" data-end=\"4461\" data-col-size=\"sm\">Type 1 SPD (Class I)<\/th>\n<th class=\"\" data-start=\"4461\" data-end=\"4485\" data-col-size=\"sm\">Type 2 SPD (Class II)<\/th>\n<th class=\"\" data-start=\"4485\" data-end=\"4511\" data-col-size=\"sm\">Type 3 SPD (Class III)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4530\" data-end=\"5058\">\n<tr data-start=\"4530\" data-end=\"4624\">\n<td data-start=\"4530\" data-end=\"4554\" data-col-size=\"sm\">Primary Test Waveform<\/td>\n<td data-start=\"4554\" data-end=\"4573\" data-col-size=\"sm\">10\/350 \u00b5s (Iimp)<\/td>\n<td data-start=\"4573\" data-end=\"4595\" data-col-size=\"sm\">8\/20 \u00b5s (In \/ Imax)<\/td>\n<td data-start=\"4595\" data-end=\"4624\" data-col-size=\"sm\">1.2\/50 \u00b5s + 8\/20 \u00b5s (Uoc)<\/td>\n<\/tr>\n<tr data-start=\"4625\" data-end=\"4720\">\n<td data-start=\"4625\" data-end=\"4646\" data-col-size=\"sm\">Installation Point<\/td>\n<td data-start=\"4646\" data-end=\"4678\" data-col-size=\"sm\">Service Entrance \/ Main Board<\/td>\n<td data-start=\"4678\" data-end=\"4704\" data-col-size=\"sm\">Sub-distribution Boards<\/td>\n<td data-start=\"4704\" data-end=\"4720\" data-col-size=\"sm\">Point of Use<\/td>\n<\/tr>\n<tr data-start=\"4721\" data-end=\"4824\">\n<td data-start=\"4721\" data-end=\"4739\" data-col-size=\"sm\">Protection Goal<\/td>\n<td data-start=\"4739\" data-end=\"4766\" data-col-size=\"sm\">Direct Lightning Strikes<\/td>\n<td data-start=\"4766\" data-end=\"4799\" data-col-size=\"sm\">Indirect Lightning \/ Switching<\/td>\n<td data-start=\"4799\" data-end=\"4824\" data-col-size=\"sm\">Sensitive Electronics<\/td>\n<\/tr>\n<tr data-start=\"4825\" data-end=\"4884\">\n<td data-start=\"4825\" data-end=\"4843\" data-col-size=\"sm\">Energy Capacity<\/td>\n<td data-start=\"4843\" data-end=\"4860\" data-col-size=\"sm\">Extremely High<\/td>\n<td data-start=\"4860\" data-end=\"4877\" data-col-size=\"sm\">Medium to High<\/td>\n<td data-start=\"4877\" data-end=\"4884\" data-col-size=\"sm\">Low<\/td>\n<\/tr>\n<tr data-start=\"4885\" data-end=\"5002\">\n<td data-start=\"4885\" data-end=\"4900\" data-col-size=\"sm\">Mandatory If<\/td>\n<td data-start=\"4900\" data-end=\"4930\" data-col-size=\"sm\">Building has lightning rods<\/td>\n<td data-start=\"4930\" data-end=\"4967\" data-col-size=\"sm\">Recommended for most installations<\/td>\n<td data-start=\"4967\" data-end=\"5002\" data-col-size=\"sm\">Critical electronics protection<\/td>\n<\/tr>\n<tr data-start=\"5003\" data-end=\"5058\">\n<td data-start=\"5003\" data-end=\"5019\" data-col-size=\"sm\">LEEYEE Series<\/td>\n<td data-start=\"5019\" data-end=\"5034\" data-col-size=\"sm\">LY1-D, LY1-B<\/td>\n<td data-start=\"5034\" data-end=\"5049\" data-col-size=\"sm\">LY2-C, LY2-B<\/td>\n<td data-start=\"5049\" data-end=\"5058\" data-col-size=\"sm\">LY3-D<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"5060\" data-end=\"5063\" \/>\n<h2 data-start=\"5065\" data-end=\"5121\"><span class=\"ez-toc-section\" id=\"part-iv-coordination-cascading-%e2%80%93-the-10-meter-rule\"><\/span>Part IV: Coordination &amp; Cascading \u2013 The 10 Meter Rule<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5123\" data-end=\"5222\">A common mistake is installing <strong data-start=\"5154\" data-end=\"5175\">only a Type 1 SPD<\/strong> and assuming the entire building is protected.<\/p>\n<p data-start=\"5224\" data-end=\"5261\">Surge protection must be <strong data-start=\"5249\" data-end=\"5260\">layered<\/strong>.<\/p>\n<h3 data-start=\"5263\" data-end=\"5291\"><span class=\"ez-toc-section\" id=\"why-coordination-matters\"><\/span>Why Coordination Matters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5293\" data-end=\"5352\">If Type 1 and Type 2 SPDs are installed too close together:<\/p>\n<ul data-start=\"5354\" data-end=\"5486\">\n<li data-start=\"5354\" data-end=\"5384\">\n<p data-start=\"5356\" data-end=\"5384\">Type 2 SPD may trigger first<\/p>\n<\/li>\n<li data-start=\"5385\" data-end=\"5442\">\n<p data-start=\"5387\" data-end=\"5442\">It will attempt to absorb high-energy lightning current<\/p>\n<\/li>\n<li data-start=\"5443\" data-end=\"5486\">\n<p data-start=\"5445\" data-end=\"5486\">This can <strong data-start=\"5454\" data-end=\"5486\">destroy the device instantly<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5488\" data-end=\"5491\" \/>\n<h3 data-start=\"5493\" data-end=\"5518\"><span class=\"ez-toc-section\" id=\"coordination-distance\"><\/span>Coordination Distance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5520\" data-end=\"5537\">Recommended rule:<\/p>\n<ul data-start=\"5539\" data-end=\"5621\">\n<li data-start=\"5539\" data-end=\"5621\">\n<p data-start=\"5541\" data-end=\"5621\">Maintain at least <strong data-start=\"5559\" data-end=\"5590\">10 meters of cable distance<\/strong> between Type 1 and Type 2 SPD.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5623\" data-end=\"5630\">Reason:<\/p>\n<ul data-start=\"5632\" data-end=\"5709\">\n<li data-start=\"5632\" data-end=\"5668\">\n<p data-start=\"5634\" data-end=\"5668\">Cable inductance creates impedance<\/p>\n<\/li>\n<li data-start=\"5669\" data-end=\"5709\">\n<p data-start=\"5671\" data-end=\"5709\">Ensures <strong data-start=\"5679\" data-end=\"5709\">Type 1 SPD activates first<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5711\" data-end=\"5714\" \/>\n<h3 data-start=\"5716\" data-end=\"5741\"><span class=\"ez-toc-section\" id=\"type-12-combined-spd\"><\/span>Type 1+2 Combined SPD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5743\" data-end=\"5800\">In compact installations where 10 meters is not possible:<\/p>\n<p data-start=\"5802\" data-end=\"5844\"><strong data-start=\"5802\" data-end=\"5844\">LEEYEE provides Type 1+2 combined SPDs<\/strong><\/p>\n<p data-start=\"5846\" data-end=\"5857\">Advantages:<\/p>\n<ul data-start=\"5859\" data-end=\"5949\">\n<li data-start=\"5859\" data-end=\"5882\">\n<p data-start=\"5861\" data-end=\"5882\">Internal coordination<\/p>\n<\/li>\n<li data-start=\"5883\" data-end=\"5907\">\n<p data-start=\"5885\" data-end=\"5907\">Compact modular design<\/p>\n<\/li>\n<li data-start=\"5908\" data-end=\"5949\">\n<p data-start=\"5910\" data-end=\"5949\">Handles both direct and indirect surges<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5951\" data-end=\"5954\" \/>\n<h2 data-start=\"5956\" data-end=\"6013\"><span class=\"ez-toc-section\" id=\"part-v-b2b-sourcing-advantage-%e2%80%93-the-leeyee-difference\"><\/span>Part V: B2B Sourcing Advantage \u2013 The LEEYEE Difference<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6015\" data-end=\"6073\">For professional buyers, supplier reliability is critical.<\/p>\n<h3 data-start=\"6075\" data-end=\"6094\"><span class=\"ez-toc-section\" id=\"risk-mitigation\"><\/span>Risk Mitigation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"6096\" data-end=\"6112\">LEEYEE provides:<\/p>\n<p data-start=\"6114\" data-end=\"6141\"><strong data-start=\"6114\" data-end=\"6141\">Authentic Certification<\/strong><\/p>\n<ul data-start=\"6143\" data-end=\"6164\">\n<li data-start=\"6143\" data-end=\"6148\">\n<p data-start=\"6145\" data-end=\"6148\">TUV<\/p>\n<\/li>\n<li data-start=\"6149\" data-end=\"6153\">\n<p data-start=\"6151\" data-end=\"6153\">CB<\/p>\n<\/li>\n<li data-start=\"6154\" data-end=\"6158\">\n<p data-start=\"6156\" data-end=\"6158\">CE<\/p>\n<\/li>\n<li data-start=\"6159\" data-end=\"6164\">\n<p data-start=\"6161\" data-end=\"6164\">SAA<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6166\" data-end=\"6202\">All certificates are <strong data-start=\"6187\" data-end=\"6201\">verifiable<\/strong>.<\/p>\n<p data-start=\"6204\" data-end=\"6229\"><strong data-start=\"6204\" data-end=\"6229\">PICC Global Insurance<\/strong><\/p>\n<p data-start=\"6231\" data-end=\"6306\">All products are insured by <strong data-start=\"6259\" data-end=\"6305\">People&#8217;s Insurance Company of China (PICC)<\/strong>.<\/p>\n<p data-start=\"6308\" data-end=\"6317\">Benefits:<\/p>\n<ul data-start=\"6319\" data-end=\"6379\">\n<li data-start=\"6319\" data-end=\"6341\">\n<p data-start=\"6321\" data-end=\"6341\">Financial protection<\/p>\n<\/li>\n<li data-start=\"6342\" data-end=\"6379\">\n<p data-start=\"6344\" data-end=\"6379\">Liability coverage for distributors<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6381\" data-end=\"6410\"><strong data-start=\"6381\" data-end=\"6410\">Supply Chain Transparency<\/strong><\/p>\n<p data-start=\"6412\" data-end=\"6423\">We support:<\/p>\n<ul data-start=\"6425\" data-end=\"6490\">\n<li data-start=\"6425\" data-end=\"6441\">\n<p data-start=\"6427\" data-end=\"6441\">Factory audits<\/p>\n<\/li>\n<li data-start=\"6442\" data-end=\"6473\">\n<p data-start=\"6444\" data-end=\"6473\">Production inspection reports<\/p>\n<\/li>\n<li data-start=\"6474\" data-end=\"6490\">\n<p data-start=\"6476\" data-end=\"6490\">Testing videos<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"6492\" data-end=\"6495\" \/>\n<h3 data-start=\"6497\" data-end=\"6520\"><span class=\"ez-toc-section\" id=\"production-capacity\"><\/span>Production Capacity<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"6522\" data-end=\"6545\">Manufacturing strength:<\/p>\n<ul data-start=\"6547\" data-end=\"6623\">\n<li data-start=\"6547\" data-end=\"6569\">\n<p data-start=\"6549\" data-end=\"6569\"><strong data-start=\"6549\" data-end=\"6569\">8,000 m\u00b2 factory<\/strong><\/p>\n<\/li>\n<li data-start=\"6570\" data-end=\"6594\">\n<p data-start=\"6572\" data-end=\"6594\"><strong data-start=\"6572\" data-end=\"6594\">8 production lines<\/strong><\/p>\n<\/li>\n<li data-start=\"6595\" data-end=\"6623\">\n<p data-start=\"6597\" data-end=\"6623\">Stable delivery capability<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6625\" data-end=\"6643\">Quality assurance:<\/p>\n<ul data-start=\"6645\" data-end=\"6720\">\n<li data-start=\"6645\" data-end=\"6683\">\n<p data-start=\"6647\" data-end=\"6683\">Professional surge testing equipment<\/p>\n<\/li>\n<li data-start=\"6684\" data-end=\"6720\">\n<p data-start=\"6686\" data-end=\"6720\">Strict batch inspection procedures<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"6722\" data-end=\"6725\" \/>\n<h2 data-start=\"6727\" data-end=\"6787\"><span class=\"ez-toc-section\" id=\"part-vi-procurement-guide-%e2%80%93-5-red-flags-when-buying-spds\"><\/span>Part VI: Procurement Guide \u2013 5 Red Flags When Buying SPDs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6789\" data-end=\"6846\">Professional buyers should watch for the following risks.<\/p>\n<h3 data-start=\"6848\" data-end=\"6873\"><span class=\"ez-toc-section\" id=\"1-fake-type-1-claims\"><\/span>1. Fake Type 1 Claims<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"6875\" data-end=\"6977\">If a supplier claims <strong data-start=\"6896\" data-end=\"6910\">Type 1 SPD<\/strong> but only provides <strong data-start=\"6929\" data-end=\"6944\">8\/20\u00b5s data<\/strong>, it is not a real Type 1 device.<\/p>\n<p data-start=\"6979\" data-end=\"7023\">Always demand <strong data-start=\"6993\" data-end=\"7022\">10\/350\u00b5s (Iimp) test data<\/strong>.<\/p>\n<hr data-start=\"7025\" data-end=\"7028\" \/>\n<h3 data-start=\"7030\" data-end=\"7058\"><span class=\"ez-toc-section\" id=\"2-no-thermal-protection\"><\/span>2. No Thermal Protection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7060\" data-end=\"7112\">Low-quality SPDs may lack <strong data-start=\"7086\" data-end=\"7111\">thermal disconnectors<\/strong>.<\/p>\n<p data-start=\"7114\" data-end=\"7119\">Risk:<\/p>\n<ul data-start=\"7121\" data-end=\"7162\">\n<li data-start=\"7121\" data-end=\"7138\">\n<p data-start=\"7123\" data-end=\"7138\">MOV overheating<\/p>\n<\/li>\n<li data-start=\"7139\" data-end=\"7162\">\n<p data-start=\"7141\" data-end=\"7162\">Potential fire hazard<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"7164\" data-end=\"7167\" \/>\n<h3 data-start=\"7169\" data-end=\"7205\"><span class=\"ez-toc-section\" id=\"3-high-voltage-protection-level\"><\/span>3. High Voltage Protection Level<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7207\" data-end=\"7279\">If <strong data-start=\"7210\" data-end=\"7224\">Up &gt; 2.5kV<\/strong> for a <strong data-start=\"7231\" data-end=\"7246\">230V system<\/strong>, protection may be insufficient.<\/p>\n<p data-start=\"7281\" data-end=\"7293\">Recommended:<\/p>\n<p data-start=\"7295\" data-end=\"7309\"><strong data-start=\"7295\" data-end=\"7309\">Up &lt; 1.5kV<\/strong><\/p>\n<hr data-start=\"7311\" data-end=\"7314\" \/>\n<h3 data-start=\"7316\" data-end=\"7340\"><span class=\"ez-toc-section\" id=\"4-fake-certificates\"><\/span>4. Fake Certificates<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7342\" data-end=\"7356\">Always verify:<\/p>\n<ul data-start=\"7358\" data-end=\"7408\">\n<li data-start=\"7358\" data-end=\"7378\">\n<p data-start=\"7360\" data-end=\"7378\">Certificate number<\/p>\n<\/li>\n<li data-start=\"7379\" data-end=\"7408\">\n<p data-start=\"7381\" data-end=\"7408\">Certification body database<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7410\" data-end=\"7473\">Avoid suppliers providing only <strong data-start=\"7441\" data-end=\"7472\">logos without documentation<\/strong>.<\/p>\n<hr data-start=\"7475\" data-end=\"7478\" \/>\n<h3 data-start=\"7480\" data-end=\"7517\"><span class=\"ez-toc-section\" id=\"5-no-product-liability-insurance\"><\/span>5. No Product Liability Insurance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7519\" data-end=\"7588\">Without insurance, distributors bear <strong data-start=\"7556\" data-end=\"7587\">all risk of product failure<\/strong>.<\/p>\n<p data-start=\"7590\" data-end=\"7642\">LEEYEE provides <strong data-start=\"7606\" data-end=\"7641\">PICC product liability coverage<\/strong>.<\/p>\n<hr data-start=\"7644\" data-end=\"7647\" \/>\n<h2 data-start=\"7649\" data-end=\"7684\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions-faq\"><\/span>Frequently Asked Questions (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"7686\" data-end=\"7745\"><span class=\"ez-toc-section\" id=\"do-i-need-a-type-1-spd-if-i-dont-have-a-lightning-rod\"><\/span>Do I need a Type 1 SPD if I don&#8217;t have a lightning rod?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7747\" data-end=\"7758\">Usually no.<\/p>\n<p data-start=\"7760\" data-end=\"7885\">If there is no external lightning protection and no overhead lines, <strong data-start=\"7828\" data-end=\"7884\">Type 2 SPD at the main board is typically sufficient<\/strong>.<\/p>\n<p data-start=\"7887\" data-end=\"7968\">However, for critical infrastructure, <strong data-start=\"7925\" data-end=\"7967\">Type 1+2 combined SPDs are recommended<\/strong>.<\/p>\n<hr data-start=\"7970\" data-end=\"7973\" \/>\n<h3 data-start=\"7975\" data-end=\"8024\"><span class=\"ez-toc-section\" id=\"what-is-the-difference-between-iimp-and-imax\"><\/span>What is the difference between Iimp and Imax?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8026\" data-end=\"8034\"><strong data-start=\"8026\" data-end=\"8034\">Iimp<\/strong><\/p>\n<ul data-start=\"8036\" data-end=\"8110\">\n<li data-start=\"8036\" data-end=\"8061\">\n<p data-start=\"8038\" data-end=\"8061\">Used for <strong data-start=\"8047\" data-end=\"8061\">Type 1 SPD<\/strong><\/p>\n<\/li>\n<li data-start=\"8062\" data-end=\"8081\">\n<p data-start=\"8064\" data-end=\"8081\">10\/350\u00b5s waveform<\/p>\n<\/li>\n<li data-start=\"8082\" data-end=\"8110\">\n<p data-start=\"8084\" data-end=\"8110\">Simulates direct lightning<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8112\" data-end=\"8120\"><strong data-start=\"8112\" data-end=\"8120\">Imax<\/strong><\/p>\n<ul data-start=\"8122\" data-end=\"8193\">\n<li data-start=\"8122\" data-end=\"8147\">\n<p data-start=\"8124\" data-end=\"8147\">Used for <strong data-start=\"8133\" data-end=\"8147\">Type 2 SPD<\/strong><\/p>\n<\/li>\n<li data-start=\"8148\" data-end=\"8165\">\n<p data-start=\"8150\" data-end=\"8165\">8\/20\u00b5s waveform<\/p>\n<\/li>\n<li data-start=\"8166\" data-end=\"8193\">\n<p data-start=\"8168\" data-end=\"8193\">Simulates indirect surges<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"8195\" data-end=\"8198\" \/>\n<h3 data-start=\"8200\" data-end=\"8232\"><span class=\"ez-toc-section\" id=\"can-i-use-only-a-type-1-spd\"><\/span>Can I use only a Type 1 SPD?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8234\" data-end=\"8237\">No.<\/p>\n<p data-start=\"8239\" data-end=\"8307\">Type 1 SPDs handle <strong data-start=\"8258\" data-end=\"8268\">energy<\/strong>, but residual voltage may remain high.<\/p>\n<p data-start=\"8309\" data-end=\"8374\">A <strong data-start=\"8311\" data-end=\"8336\">Type 2 SPD downstream<\/strong> is required to clamp voltage further.<\/p>\n<hr data-start=\"8376\" data-end=\"8379\" \/>\n<h3 data-start=\"8381\" data-end=\"8419\"><span class=\"ez-toc-section\" id=\"how-often-should-spds-be-replaced\"><\/span>How often should SPDs be replaced?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8421\" data-end=\"8461\">Most SPDs include <strong data-start=\"8439\" data-end=\"8460\">status indicators<\/strong>.<\/p>\n<ul data-start=\"8463\" data-end=\"8493\">\n<li data-start=\"8463\" data-end=\"8478\">\n<p data-start=\"8465\" data-end=\"8478\">Green: normal<\/p>\n<\/li>\n<li data-start=\"8479\" data-end=\"8493\">\n<p data-start=\"8481\" data-end=\"8493\">Red: replace<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8495\" data-end=\"8521\">Inspection is recommended:<\/p>\n<ul data-start=\"8523\" data-end=\"8564\">\n<li data-start=\"8523\" data-end=\"8533\">\n<p data-start=\"8525\" data-end=\"8533\">Annually<\/p>\n<\/li>\n<li data-start=\"8534\" data-end=\"8564\">\n<p data-start=\"8536\" data-end=\"8564\">After major lightning events<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8566\" data-end=\"8625\">LEEYEE SPDs allow <strong data-start=\"8584\" data-end=\"8607\">modular replacement<\/strong> without rewiring.<\/p>\n<hr data-start=\"8627\" data-end=\"8630\" \/>\n<h3 data-start=\"8632\" data-end=\"8668\"><span class=\"ez-toc-section\" id=\"what-is-a-31-spd-configuration\"><\/span>What is a 3+1 SPD configuration?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8670\" data-end=\"8686\">In a 4-pole SPD:<\/p>\n<ul data-start=\"8688\" data-end=\"8799\">\n<li data-start=\"8688\" data-end=\"8734\">\n<p data-start=\"8690\" data-end=\"8734\">Three MOVs protect <strong data-start=\"8709\" data-end=\"8734\">L1, L2, L3 to Neutral<\/strong><\/p>\n<\/li>\n<li data-start=\"8735\" data-end=\"8799\">\n<p data-start=\"8737\" data-end=\"8799\">One <strong data-start=\"8741\" data-end=\"8769\">Gas Discharge Tube (GDT)<\/strong> protects <strong data-start=\"8779\" data-end=\"8799\">Neutral to Earth<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8801\" data-end=\"8863\">This configuration is recommended for <strong data-start=\"8839\" data-end=\"8862\">TT and TN-S systems<\/strong>.<\/p>\n<hr data-start=\"8865\" data-end=\"8868\" \/>\n<h3 data-start=\"8870\" data-end=\"8904\"><span class=\"ez-toc-section\" id=\"does-leeyee-support-oem-odm\"><\/span>Does LEEYEE support OEM \/ ODM?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8906\" data-end=\"8910\">Yes.<\/p>\n<p data-start=\"8912\" data-end=\"8964\">We offer <strong data-start=\"8921\" data-end=\"8952\">free customization services<\/strong>, including:<\/p>\n<ul data-start=\"8966\" data-end=\"9016\">\n<li data-start=\"8966\" data-end=\"8981\">\n<p data-start=\"8968\" data-end=\"8981\">Logo printing<\/p>\n<\/li>\n<li data-start=\"8982\" data-end=\"8997\">\n<p data-start=\"8984\" data-end=\"8997\">Product color<\/p>\n<\/li>\n<li data-start=\"8998\" data-end=\"9016\">\n<p data-start=\"9000\" data-end=\"9016\">Packaging design<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9018\" data-end=\"9073\">Helping distributors build their <strong data-start=\"9051\" data-end=\"9072\">own private brand<\/strong>.<\/p>\n<hr data-start=\"9075\" data-end=\"9078\" \/>\n<h2 data-start=\"9080\" data-end=\"9093\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"9095\" data-end=\"9197\">Choosing the correct SPD type is a <strong data-start=\"9130\" data-end=\"9196\">small investment that prevents catastrophic electrical failure<\/strong>.<\/p>\n<p data-start=\"9199\" data-end=\"9268\">By partnering with <strong data-start=\"9218\" data-end=\"9238\">LEEYEE Electrics<\/strong>, distributors gain access to:<\/p>\n<ul data-start=\"9270\" data-end=\"9383\">\n<li data-start=\"9270\" data-end=\"9308\">\n<p data-start=\"9272\" data-end=\"9308\">Advanced surge protection technology<\/p>\n<\/li>\n<li data-start=\"9309\" data-end=\"9349\">\n<p data-start=\"9311\" data-end=\"9349\">Authentic international certifications<\/p>\n<\/li>\n<li data-start=\"9350\" data-end=\"9383\">\n<p data-start=\"9352\" data-end=\"9383\">Reliable manufacturing capacity<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"9385\" data-end=\"9471\">Contact us today to discuss <strong data-start=\"9413\" data-end=\"9470\">wholesale cooperation and private label opportunities<\/strong>.<\/p>\n<hr \/>\n<p><a href=\"https:\/\/www.cnspd.com\/download-category\/all\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-26994 size-full\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"SPD catalog\" width=\"600\" height=\"408\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg 600w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><br \/>\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need a Type 1 SPD if I don't have a lightning rod?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Usually, no. If your building has no external lightning protection and is not fed by overhead lines in a high-lightning area, a Type 2 SPD at the main board is often sufficient. However, for critical infrastructure, a Type 1+2 combined unit is always the safest choice.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between Iimp and Imax?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Iimp (10\/350\u00b5s) is for Type 1 SPDs (direct strikes). Imax (8\/20\u00b5s) is for Type 2 SPDs (indirect strikes). Iimp carries significantly more energy than Imax.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use a Type 1 SPD alone?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. A Type 1 SPD handles the energy but often has a higher 'let-through' voltage. You need a Type 2 SPD downstream to further clamp the voltage to a level safe for your equipment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How often should I replace an SPD?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Most SPDs have a visual indicator (Green = OK, Red = Replace). They should be inspected annually or after any major lightning event. LEEYEE's modular design allows you to replace just the failed module without rewiring the entire base.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the '3+1' configuration?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"In a 4-pole SPD, the 3+1 configuration means three MOVs protect L1, L2, and L3 against Neutral, and one high-capacity GDT protects Neutral against Earth. This is the safest configuration for TT and TN-S systems.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does LEEYEE support OEM\/ODM?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. We offer Free Custom Design for your logo, color appearance, and packaging, allowing you to build your own premium brand with our TUV-certified technology.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introducci\u00f3n En el panorama el\u00e9ctrico moderno, donde la infraestructura est\u00e1 cada vez m\u00e1s interconectada y es m\u00e1s sensible, el dispositivo de protecci\u00f3n contra sobretensiones (SPD) ha pasado de ser un lujo a una necesidad no negociable. Para instalaciones industriales, complejos comerciales y centros de datos cr\u00edticos, la elecci\u00f3n entre SPD de Tipo 1, Tipo 2 y Tipo 3 puede determinar si un sistema...<\/p>","protected":false},"author":18,"featured_media":25946,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-27036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Type 1 vs Type 2 vs Type 3 SPD: The Definitive Whitepaper for Global Surge Protection<\/title>\n<meta name=\"description\" content=\"What is a Type 1 SPD? This whitepaper provides a deep technical comparison of Type 1, Type 2, and Type 3 SPDs, explaining 10\/350\u00b5s vs 8\/20\u00b5s waveforms, coordination principles, and B2B sourcing insights for LEEYEE&#039;s TUV-certified, PICC-insured surge protection.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Type 1 vs Type 2 vs Type 3 SPD: The Definitive Whitepaper for Global Surge Protection\" \/>\n<meta property=\"og:description\" content=\"What is a Type 1 SPD? This whitepaper provides a deep technical comparison of Type 1, Type 2, and Type 3 SPDs, explaining 10\/350\u00b5s vs 8\/20\u00b5s waveforms, coordination principles, and B2B sourcing insights for LEEYEE&#039;s TUV-certified, PICC-insured surge protection.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnspd.com\/es\/spd-tipo-1-vs-tipo-2-vs-tipo-3\/\" \/>\n<meta property=\"og:site_name\" content=\"Surge Protector, Surge Arrestor, Isolating Switch - LEEYEE\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-30T10:37:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-13T05:08:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/\u56fe\u5c4214.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Devin Ling\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Devin Ling\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/\"},\"author\":{\"name\":\"Devin Ling\",\"@id\":\"https:\/\/www.cnspd.com\/#\/schema\/person\/f49dbafe62c5b47100ad2d9f88af92d3\"},\"headline\":\"Type 1 vs Type 2 vs Type 3 SPD: The Definitive Whitepaper for Global Surge Protection\",\"datePublished\":\"2024-12-30T10:37:41+00:00\",\"dateModified\":\"2026-04-13T05:08:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/\"},\"wordCount\":1111,\"image\":{\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/\u56fe\u5c4214.jpg\",\"articleSection\":[\"News\",\"Surge Protection\",\"Technical Guides\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/\",\"url\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/\",\"name\":\"Type 1 vs Type 2 vs Type 3 SPD: The Definitive Whitepaper for Global Surge Protection\",\"isPartOf\":{\"@id\":\"https:\/\/www.cnspd.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.cnspd.com\/spd-type1-vs-type2-vs-type-3\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/06\/\u56fe\u5c4214.jpg\",\"datePublished\":\"2024-12-30T10:37:41+00:00\",\"dateModified\":\"2026-04-13T05:08:20+00:00\",\"author\":{\"@id\":\"https:\/\/www.cnspd.com\/#\/schema\/person\/f49dbafe62c5b47100ad2d9f88af92d3\"},\"description\":\"What is a Type 1 SPD? 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