{"id":31569,"date":"2026-10-09T09:40:34","date_gmt":"2026-10-09T01:40:34","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=31569"},"modified":"2026-10-09T09:44:24","modified_gmt":"2026-10-09T01:44:24","slug":"automatic-transfer-switch-for-mining-compact-2p-4p-backup-power-selection-guide","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/","title":{"rendered":"Automatic Transfer Switch for Mining: Compact 2P \/ 4P Backup Power Selection Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"31569\" class=\"elementor elementor-31569\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1580ef5 e-flex e-con-boxed e-con e-parent\" data-id=\"1580ef5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-249dd15 elementor-widget elementor-widget-html\" 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padding-left:13px;\r\n    padding-right:13px;\r\n  }\r\n\r\n  .leeyee-mining-ats-article h2{\r\n    font-size:24px;\r\n  }\r\n\r\n  .leeyee-mining-ats-article .ly-figure{\r\n    margin:25px 0 29px;\r\n  }\r\n\r\n  .leeyee-mining-ats-article .ly-figure img{\r\n    border-radius:9px;\r\n  }\r\n}\r\n\r\n@media (max-width:360px){\r\n  .leeyee-mining-ats-article{\r\n    padding-left:11px;\r\n    padding-right:11px;\r\n  }\r\n\r\n  .leeyee-mining-ats-article .ly-quick,\r\n  .leeyee-mining-ats-article .ly-cta,\r\n  .leeyee-mining-ats-article .ly-checklist,\r\n  .leeyee-mining-ats-article .ly-process,\r\n  .leeyee-mining-ats-article .ly-scope{\r\n    padding:17px 15px;\r\n  }\r\n}\r\n<\/style>\r\n\r\n<article class=\"leeyee-mining-ats-article\">\r\n\r\n  <p class=\"ly-intro\">\r\n    This guide focuses on <strong>automatic transfer switches for mineral mining operations<\/strong>, including selected low-voltage auxiliary circuits in open-pit mines, underground mine support areas, dewatering stations, workshops and mineral-processing facilities. It does not refer to cryptocurrency mining, and it does not present a standard compact ATS as explosion-protected mining equipment.\r\n  <\/p>\r\n\r\n  <div class=\"ly-quick\">\r\n    <span class=\"ly-quick-title\">Quick Answer<\/span>\r\n    <p>\r\n      A mining automatic transfer switch transfers selected low-voltage loads between a normal power source and an alternative source, typically a standby generator, when the normal source becomes unavailable.\r\n    <\/p>\r\n    <p>\r\n      The compact LEEYEE ATS shown on this page is a <strong>2P \/ 4P compact integrated transfer switch<\/strong> intended for ordinary low-voltage two-source transfer applications. In a mining project, it may be evaluated for suitable auxiliary circuits only after current, load type, generator behaviour, protection, enclosure and installation conditions have been confirmed.\r\n    <\/p>\r\n    <p>\r\n      <strong>Do not assume that a standard compact ATS is suitable for a classified hazardous mining area.<\/strong> IEC 60947-6-1:2026 covers transfer switching equipment but excludes transfer switches used in explosive atmospheres and refers to the IEC 60079 series for those applications.<sup><a href=\"#ref-1\">[1]<\/a><\/sup>\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <figure class=\"ly-figure ly-product-figure\">\r\n    <img fetchpriority=\"high\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/06\/3.png\"\r\n      alt=\"LEEYEE ATS-2P63 and ATS-4P63 compact automatic transfer switches\"\r\n      width=\"640\"\r\n      height=\"640\"\r\n      loading=\"eager\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Real LEEYEE compact ATS product examples: ATS-2P63 and ATS-4P63. The integrated front panel provides automatic\/manual operation and source\/load status indication.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"ly-definition\">\r\n    <p>\r\n      <strong>Product scope:<\/strong> the product shown here is a compact low-voltage ATS, not a large mining switchboard, bypass-isolation ATS, closed-transition system or explosion-protected mining device.\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 counter-hierarchy ez-toc-counter ez-toc-custom 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\"><\/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\/mining-automatic-transfer-switch\/#where-can-a-compact-automatic-transfer-switch-fit-in-mining\" >Where Can a Compact Automatic Transfer Switch Fit in Mining?<\/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\/mining-automatic-transfer-switch\/#how-does-the-generator-and-ats-work-together\" >How Does the Generator and ATS Work Together?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#do-not-select-this-ats-by-running-current-alone\" >Do Not Select This ATS by Running Current Alone<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#generator-capacity-and-ats-rating-are-different-decisions\" >Generator Capacity and ATS Rating Are Different Decisions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#2p-or-4p-match-the-actual-system\" >2P or 4P: Match the Actual System<\/a><\/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\/mining-automatic-transfer-switch\/#which-electrical-parameters-should-be-confirmed\" >Which Electrical Parameters Should Be Confirmed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#check-short-circuit-conditions-and-upstream-protection\" >Check Short-Circuit Conditions and Upstream Protection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#mining-environment-evaluate-the-ats-inside-the-complete-panel\" >Mining Environment: Evaluate the ATS Inside the Complete Panel<\/a><\/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\/mining-automatic-transfer-switch\/#standard-compact-ats-does-not-mean-explosion-protected-ats\" >Standard Compact ATS Does Not Mean Explosion-Protected ATS<\/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\/mining-automatic-transfer-switch\/#where-this-leeyee-compact-ats-fits-%e2%80%94-and-where-it-does-not\" >Where This LEEYEE Compact ATS Fits \u2014 and Where It Does Not<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#a-practical-selection-process-for-this-compact-ats\" >A Practical Selection Process for This Compact ATS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#information-to-send-before-ordering\" >Information to Send Before Ordering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/#frequently-asked-questions\" >Frequently Asked Questions<\/a><\/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\/mining-automatic-transfer-switch\/#references\" >References<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"where-can-a-compact-automatic-transfer-switch-fit-in-mining\"><\/span>Where Can a Compact Automatic Transfer Switch Fit in Mining?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    A mine may contain many different electrical systems. The correct starting point is therefore not \u201cHow large should the mining ATS be?\u201d but \u201cWhich low-voltage auxiliary circuits actually require an alternative source?\u201d\r\n  <\/p>\r\n\r\n  <p>\r\n    Depending on the project, selected drainage, auxiliary ventilation, lighting, workshop or control circuits may require backup power. However, each application must be checked against the actual load and the selected ATS model rather than assuming that every mining load can be switched by a compact ATS.\r\n  <\/p>\r\n\r\n  <div class=\"ly-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Possible Auxiliary Circuit<\/th>\r\n          <th>Why Backup May Be Required<\/th>\r\n          <th>Main Engineering Check<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>Small or selected dewatering pump circuit<\/td>\r\n          <td>Maintain designated drainage functions<\/td>\r\n          <td>Motor starting, ATS utilization duty and generator capability<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Selected auxiliary ventilation circuit<\/td>\r\n          <td>Maintain designated support ventilation<\/td>\r\n          <td>Motor duty, controls, interlocks and mine-safety requirements<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Lighting circuit<\/td>\r\n          <td>Maintain selected essential lighting<\/td>\r\n          <td>Total load and distribution arrangement<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Control panel<\/td>\r\n          <td>Maintain selected monitoring or control functions<\/td>\r\n          <td>Voltage, pole configuration and transfer sequence<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Workshop or surface auxiliary circuit<\/td>\r\n          <td>Maintain selected support loads<\/td>\r\n          <td>Mixed-load current and feeder capacity<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <p class=\"ly-table-note\">\r\n    These examples do not mean that the ATS shown here is automatically suitable for every pump, fan or mining load. Motor-switching capability, current rating, utilization category and project requirements must be verified from the selected model documentation before approval.\r\n  <\/p>\r\n\r\n  <div class=\"ly-buyer-meaning\">\r\n    <p>\r\n      <strong>Buyer meaning:<\/strong> define the essential circuit first, then confirm whether the actual 2P or 4P LEEYEE ATS model can satisfy that circuit. Do not select the switch only because the application is described as \u201cmining.\u201d\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"how-does-the-generator-and-ats-work-together\"><\/span>How Does the Generator and ATS Work Together?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The ATS does not generate backup power. Its job is to transfer a designated load between two available sources.\r\n  <\/p>\r\n\r\n  <p>\r\n    In a common standby arrangement, the normal supply is the preferred source and a diesel generator is the alternative source. A compatible transfer-control system can also provide a generator start signal when normal power fails, depending on the ATS controller and generator controller used.<sup><a href=\"#ref-4\">[4]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <figure class=\"ly-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/mining-generator-ats-backup-power-diagram.webp\"\r\n      alt=\"Mining backup power diagram with utility supply generator compact ATS and selected low-voltage loads\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Simplified low-voltage backup-power architecture. The diagram shows the relationship between normal supply, generator, compact ATS and selected auxiliary loads; it is not a complete mine power-system design.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"ly-process\">\r\n    <h3>Typical open-transition operating sequence<\/h3>\r\n    <ol>\r\n      <li>The normal source supplies the selected load.<\/li>\r\n      <li>The ATS controller detects that the normal source no longer satisfies its configured source conditions.<\/li>\r\n      <li>Where automatic generator starting is used, a start request is sent to the generator controller.<\/li>\r\n      <li>The system waits until the alternative source meets the configured transfer conditions.<\/li>\r\n      <li>The load is disconnected from the normal source before connection to the alternative source.<\/li>\r\n      <li>After normal power returns and the configured retransfer conditions are satisfied, the load can return to the normal source.<\/li>\r\n    <\/ol>\r\n  <\/div>\r\n\r\n  <p>\r\n    Source thresholds, time delays, generator warm-up or cool-down periods, start-contact logic and retransfer timing are project-specific. They must be confirmed against the actual ATS controller, generator controller and approved electrical design.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"do-not-select-this-ats-by-running-current-alone\"><\/span>Do Not Select This ATS by Running Current Alone<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    This is especially important if the mining auxiliary circuit includes a pump, fan or other motor.\r\n  <\/p>\r\n\r\n  <p>\r\n    A motor can demand substantially more from the power source during starting than during normal operation. Generator sizing guidance therefore evaluates motor starting characteristics, starting method and load sequencing rather than relying only on continuous current.<sup><a href=\"#ref-3\">[3]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <figure class=\"ly-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/mining-motor-load-ats-selection-flow.webp\"\r\n      alt=\"ATS selection flow for mining motor loads including starting current generator capacity and switching duty\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Running current is only one part of the review. Motor starting method, transient demand, generator capability and the selected ATS switching duty should be checked together.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"ly-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Item to Confirm<\/th>\r\n          <th>Why It Matters<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>Normal running current<\/td>\r\n          <td>Defines continuous load demand.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Largest motor<\/td>\r\n          <td>Can create the most significant individual starting event.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Starting method<\/td>\r\n          <td>DOL, star-delta, soft starter and VFD operation can create different source demands.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Restart sequence<\/td>\r\n          <td>Several motors restarting together can create a different transient condition from sequential starting.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Generator capability<\/td>\r\n          <td>The generator must support the intended load application sequence.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>ATS utilization and switching duty<\/td>\r\n          <td>The actual selected model must be suitable for the connected load type and declared operating conditions.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <div class=\"ly-warning\">\r\n    <p>\r\n      <strong>Do not interpret a 63 A ATS marking as proof that the device can directly switch any 63 A mining motor load.<\/strong> Motor application suitability depends on more than continuous current. The selected model's utilization category, switching performance and manufacturer data must be checked together with the motor and generator requirements.\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"generator-capacity-and-ats-rating-are-different-decisions\"><\/span>Generator Capacity and ATS Rating Are Different Decisions<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-two-col\">\r\n    <div class=\"ly-mini\">\r\n      <h3>ATS question<\/h3>\r\n      <p>\r\n        Can the selected compact ATS carry and switch the specified circuit under its declared electrical and utilization conditions?\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-mini\">\r\n      <h3>Generator question<\/h3>\r\n      <p>\r\n        Can the generator accept the intended transferred load and starting sequence while remaining within the project's required operating limits?\r\n      <\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <p>\r\n    A larger ATS does not increase generator motor-starting capability. Likewise, a larger generator does not prove that a particular ATS is suitable for the load's switching duty.\r\n  <\/p>\r\n\r\n  <p>\r\n    For mining circuits containing pumps, fans or other motors, the ATS supplier and generator integrator should review the same load schedule.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"2p-or-4p-match-the-actual-system\"><\/span>2P or 4P: Match the Actual System<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The real LEEYEE product image on this page shows <strong>ATS-2P63<\/strong> and <strong>ATS-4P63<\/strong> configurations. These are the product configurations represented on this page.\r\n  <\/p>\r\n\r\n  <div class=\"ly-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Configuration<\/th>\r\n          <th>Typical Design Question<\/th>\r\n          <th>What Must Be Confirmed<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>2P<\/td>\r\n          <td>Is this a suitable single-phase two-wire transfer arrangement?<\/td>\r\n          <td>System voltage, conductor arrangement and project design<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>4P<\/td>\r\n          <td>Does the three-phase system require neutral switching?<\/td>\r\n          <td>Earthing arrangement, generator neutral treatment and project requirements<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <p class=\"ly-table-note\">\r\n    Do not choose 4P simply because the system is used in mining, and do not assume a 3P version from this page. Pole selection must follow the actual single-line diagram and neutral\/earthing arrangement.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"which-electrical-parameters-should-be-confirmed\"><\/span>Which Electrical Parameters Should Be Confirmed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Parameter<\/th>\r\n          <th>Project Question<\/th>\r\n          <th>Procurement Impact<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>System voltage<\/td>\r\n          <td>What are the actual normal and generator voltages?<\/td>\r\n          <td>Must match the selected ATS and controller configuration.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Frequency<\/td>\r\n          <td>50 Hz or 60 Hz?<\/td>\r\n          <td>Must be compatible with the complete transfer system.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Phase<\/td>\r\n          <td>Single-phase or three-phase?<\/td>\r\n          <td>Helps determine whether the available 2P or 4P configuration is appropriate.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Poles<\/td>\r\n          <td>2P or 4P?<\/td>\r\n          <td>Depends on system architecture and neutral treatment.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Current<\/td>\r\n          <td>What continuous load current applies?<\/td>\r\n          <td>Must be reviewed together with real switching duty.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Load type<\/td>\r\n          <td>Motor, lighting, control or mixed?<\/td>\r\n          <td>Can materially change switching requirements.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Source arrangement<\/td>\r\n          <td>Utility-generator or another two-source arrangement?<\/td>\r\n          <td>Affects control, sensing and generator-start requirements.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Transition mode<\/td>\r\n          <td>Is ordinary open transition acceptable?<\/td>\r\n          <td>Must match the process and load requirement.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"check-short-circuit-conditions-and-upstream-protection\"><\/span>Check Short-Circuit Conditions and Upstream Protection<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The ATS current marking alone does not establish short-circuit suitability.\r\n  <\/p>\r\n\r\n  <p>\r\n    The project should determine the prospective short-circuit current at the installation point and verify the selected ATS together with its specified upstream protective device and model-specific technical documentation.\r\n  <\/p>\r\n\r\n  <p>\r\n    Transfer-switch manufacturers commonly publish short-circuit withstand or closing information together with specific protective-device conditions. Those combinations are product-specific and must not be copied from another manufacturer's ATS or from another LEEYEE model without verification.<sup><a href=\"#ref-6\">[6]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <div class=\"ly-checklist\">\r\n    <h3>Protection information to confirm<\/h3>\r\n    <div class=\"ly-check-grid\">\r\n      <div class=\"ly-check-item\">Prospective short-circuit current<\/div>\r\n      <div class=\"ly-check-item\">Selected ATS model and rating<\/div>\r\n      <div class=\"ly-check-item\">Upstream breaker or fuse type<\/div>\r\n      <div class=\"ly-check-item\">Protective-device rating<\/div>\r\n      <div class=\"ly-check-item\">System voltage<\/div>\r\n      <div class=\"ly-check-item\">Manufacturer coordination conditions<\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"mining-environment-evaluate-the-ats-inside-the-complete-panel\"><\/span>Mining Environment: Evaluate the ATS Inside the Complete Panel<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The compact ATS shown on this page is intended to be considered as a component inside a low-voltage electrical system. Its suitability cannot be judged from the word \u201cmining\u201d alone.\r\n  <\/p>\r\n\r\n  <p>\r\n    A protected indoor switchboard, an outdoor pump panel and equipment near a dusty processing area can experience very different environmental conditions.\r\n  <\/p>\r\n\r\n  <p>\r\n    IEC 60529 defines the IP Code for degrees of protection provided by enclosures against access, solid foreign objects and water.<sup><a href=\"#ref-5\">[5]<\/a><\/sup> The enclosure requirement should therefore be reviewed separately from the ATS electrical selection.\r\n  <\/p>\r\n\r\n  <div class=\"ly-checklist\">\r\n    <h3>Environmental information to confirm<\/h3>\r\n    <div class=\"ly-check-grid\">\r\n      <div class=\"ly-check-item\">Indoor or outdoor location<\/div>\r\n      <div class=\"ly-check-item\">Ambient temperature range<\/div>\r\n      <div class=\"ly-check-item\">Dust exposure<\/div>\r\n      <div class=\"ly-check-item\">Humidity and condensation risk<\/div>\r\n      <div class=\"ly-check-item\">Water exposure<\/div>\r\n      <div class=\"ly-check-item\">Vibration conditions<\/div>\r\n      <div class=\"ly-check-item\">Required enclosure IP rating<\/div>\r\n      <div class=\"ly-check-item\">Panel ventilation or anti-condensation measures<\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"ly-buyer-meaning\">\r\n    <p>\r\n      <strong>Engineering meaning:<\/strong> ask where the ATS will be installed, what enclosure will contain it and what conditions the complete panel will experience.\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"standard-compact-ats-does-not-mean-explosion-protected-ats\"><\/span>Standard Compact ATS Does Not Mean Explosion-Protected ATS<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    This is the most important product boundary for a mining application.\r\n  <\/p>\r\n\r\n  <p>\r\n    IEC 60947-6-1:2026 covers transfer switching equipment but excludes transfer switches used in explosive atmospheres, referring instead to the IEC 60079 series for such environments.<sup><a href=\"#ref-1\">[1]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <p>\r\n    IECEx documentation also distinguishes <strong>Group I<\/strong> equipment for mines susceptible to firedamp and provides a separate conformity framework for equipment used in explosive atmospheres.<sup><a href=\"#ref-2\">[2]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <figure class=\"ly-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/standard-ats-vs-hazardous-mining-area-boundary.webp\"\r\n      alt=\"Standard compact ATS and hazardous mining area application boundary\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      A standard compact ATS and a hazardous-area installation are different engineering questions. Hazardous-area classification and explosion-protection requirements must be confirmed separately.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"ly-danger\">\r\n    <p>\r\n      <strong>The LEEYEE ATS-2P63 and ATS-4P63 shown on this page must not be presented as explosion-protected mining ATS devices.<\/strong>\r\n    <\/p>\r\n    <p>\r\n      If the proposed location is classified as hazardous, confirm the area classification, required protection concept, equipment group, enclosure arrangement, certificate scope, local mine-safety requirements and project approval before equipment selection.\r\n    <\/p>\r\n  <\/div>\r\n\r\n  <p>\r\n    Installing a standard ATS inside a cabinet does not automatically make the final assembly suitable for an explosive atmosphere. The complete protection concept requires separate project-specific verification.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"where-this-leeyee-compact-ats-fits-%e2%80%94-and-where-it-does-not\"><\/span>Where This LEEYEE Compact ATS Fits \u2014 and Where It Does Not<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-scope\">\r\n    <h3>Reasonable evaluation scope<\/h3>\r\n    <p>\r\n      The real product shown on this page is a compact 2P \/ 4P low-voltage automatic transfer switch for ordinary two-source switching. In mining projects, it can be evaluated for suitable low-voltage auxiliary circuits when the electrical ratings, open-transition operation, switching duty, protection, enclosure and installation conditions are confirmed.\r\n    <\/p>\r\n\r\n    <h3>Do not position this product as<\/h3>\r\n    <ul>\r\n      <li>A large mine main incoming ATS system.<\/li>\r\n      <li>A high-power mine ventilation main transfer system without specific engineering verification.<\/li>\r\n      <li>A large mine dewatering main-transfer system without specific motor and switching verification.<\/li>\r\n      <li>An explosion-protected or mine-certified ATS.<\/li>\r\n      <li>A closed-transition ATS.<\/li>\r\n      <li>A bypass-isolation ATS.<\/li>\r\n      <li>A complete mining power-distribution solution supplied as one engineered package.<\/li>\r\n    <\/ul>\r\n  <\/div>\r\n\r\n  <p>\r\n    Professional product selection depends on knowing where a compact ATS is appropriate as much as knowing where a different engineered solution is required.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"a-practical-selection-process-for-this-compact-ats\"><\/span>A Practical Selection Process for This Compact ATS<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-process\">\r\n    <ol>\r\n      <li><strong>Define the auxiliary circuit.<\/strong> Identify exactly which load requires standby power.<\/li>\r\n      <li><strong>Confirm system phase and poles.<\/strong> Determine whether the available 2P or 4P configuration fits the approved electrical design.<\/li>\r\n      <li><strong>Record the continuous current.<\/strong> Compare it with the selected model's actual rating.<\/li>\r\n      <li><strong>Identify the load type.<\/strong> Motor, lighting, control and mixed loads must not automatically be treated the same.<\/li>\r\n      <li><strong>For motor loads, check starting conditions.<\/strong> Confirm motor rating, starting method and restart sequence.<\/li>\r\n      <li><strong>Confirm generator capability.<\/strong> Review voltage, frequency, rated output and transient performance with the generator supplier.<\/li>\r\n      <li><strong>Check ATS switching suitability.<\/strong> Verify utilization category and model-specific switching data.<\/li>\r\n      <li><strong>Review short-circuit protection.<\/strong> Confirm prospective fault current and upstream protective-device requirements.<\/li>\r\n      <li><strong>Review environmental conditions.<\/strong> Confirm enclosure, dust, moisture, temperature and vibration requirements.<\/li>\r\n      <li><strong>Check hazardous-area classification.<\/strong> If the location is classified, do not treat this compact standard ATS as an explosion-protected solution.<\/li>\r\n    <\/ol>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"information-to-send-before-ordering\"><\/span>Information to Send Before Ordering<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    A request such as \u201cI need a 63 A ATS for a mine\u201d is not enough for reliable selection. The application information below allows a more meaningful review.\r\n  <\/p>\r\n\r\n  <div class=\"ly-checklist\">\r\n    <h3>Mining ATS project checklist<\/h3>\r\n    <div class=\"ly-check-grid\">\r\n      <div class=\"ly-check-item\">Normal source voltage and frequency<\/div>\r\n      <div class=\"ly-check-item\">Generator voltage and frequency<\/div>\r\n      <div class=\"ly-check-item\">Single-phase or three-phase system<\/div>\r\n      <div class=\"ly-check-item\">Required configuration: 2P or 4P<\/div>\r\n      <div class=\"ly-check-item\">Normal operating current<\/div>\r\n      <div class=\"ly-check-item\">Load type<\/div>\r\n      <div class=\"ly-check-item\">Largest motor rating, if applicable<\/div>\r\n      <div class=\"ly-check-item\">Motor starting method, if applicable<\/div>\r\n      <div class=\"ly-check-item\">Expected restart sequence<\/div>\r\n      <div class=\"ly-check-item\">Generator rating and controller information<\/div>\r\n      <div class=\"ly-check-item\">Generator start interface requirement<\/div>\r\n      <div class=\"ly-check-item\">Prospective short-circuit current<\/div>\r\n      <div class=\"ly-check-item\">Upstream protective device<\/div>\r\n      <div class=\"ly-check-item\">Indoor or outdoor installation<\/div>\r\n      <div class=\"ly-check-item\">Ambient temperature range<\/div>\r\n      <div class=\"ly-check-item\">Dust, humidity and water exposure<\/div>\r\n      <div class=\"ly-check-item\">Required enclosure IP rating<\/div>\r\n      <div class=\"ly-check-item\">Hazardous-area classification, if applicable<\/div>\r\n      <div class=\"ly-check-item\">Required standards or certification<\/div>\r\n      <div class=\"ly-check-item\">Single-line diagram<\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"ly-cta\">\r\n    <h3>Need to confirm whether this compact ATS fits your mining auxiliary circuit?<\/h3>\r\n    <p>\r\n      Send the system voltage, required 2P or 4P configuration, load current, load type, generator information, motor data where applicable, protection information, installation conditions and single-line diagram. LEEYEE can review the requested ATS configuration against the information provided.\r\n    <\/p>\r\n\r\n    <button\r\n      type=\"button\"\r\n      class=\"leeyee-about-btn-light leeyee-site-popup-btn\"\r\n      aria-label=\"Request ATS Selection Review\">\r\n      <span class=\"w-btn-label\">Request ATS Selection Review<\/span>\r\n    <\/button>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-faq\">\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Can this compact LEEYEE ATS be used in a mining project?<\/h3>\r\n      <p>\r\n        It may be evaluated for suitable low-voltage auxiliary circuits, but the application must match the selected ATS rating, switching duty, protection, 2P or 4P configuration, enclosure and installation conditions.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Can this ATS switch a mining dewatering pump?<\/h3>\r\n      <p>\r\n        It should not be assumed from the 63 A current marking alone. The motor rating, starting method, ATS utilization category, switching capability, generator performance, protection and restart sequence must be checked before approval.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Can this ATS be used for a mine ventilation motor?<\/h3>\r\n      <p>\r\n        Only after the actual motor and project requirements are reviewed. Main ventilation or safety-critical ventilation systems can involve additional operational, redundancy, interlock and regulatory requirements that should not be inferred from a standard compact ATS product image.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Should I choose the 2P or 4P version?<\/h3>\r\n      <p>\r\n        The choice depends on the actual system architecture. The 2P and 4P versions shown on this page should be matched to the single-line diagram, phase arrangement, neutral treatment and earthing requirements. Do not assume 4P solely because the project is in mining.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Does the ATS automatically start the generator?<\/h3>\r\n      <p>\r\n        A compatible automatic transfer system can provide a generator start signal, but the actual contact logic and controller compatibility must be confirmed for the ATS and generator controllers used in the project.<sup><a href=\"#ref-4\">[4]<\/a><\/sup>\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Does a 63 A rating mean the ATS can switch any 63 A load?<\/h3>\r\n      <p>\r\n        No. Continuous current rating does not by itself define suitability for every motor or switching duty. Load type, utilization category, short-circuit conditions and manufacturer-declared performance must also be checked.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Is this ATS explosion-proof?<\/h3>\r\n      <p>\r\n        This page does not claim that the shown LEEYEE ATS-2P63 or ATS-4P63 is explosion-protected. Classified hazardous areas require separate equipment selection and certification review under the applicable explosion-protection requirements.<sup><a href=\"#ref-1\">[1]<\/a><\/sup><sup><a href=\"#ref-2\">[2]<\/a><\/sup>\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"ly-faq-item\">\r\n      <h3>Can all mining loads be transferred through one compact ATS?<\/h3>\r\n      <p>\r\n        Not automatically. Different loads can have different current, starting, protection, criticality and allowable-interruption requirements. The system designer should determine load grouping from the actual project.\r\n      <\/p>\r\n    <\/div>\r\n\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"references\"><\/span>References<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"ly-references\">\r\n    <ol>\r\n      <li id=\"ref-1\">\r\n        International Electrotechnical Commission (IEC).\r\n        <em>IEC 60947-6-1:2026 \u2014 Low-voltage switchgear and controlgear \u2014 Part 6-1: Multiple function equipment \u2014 Transfer switching equipment.<\/em>\r\n        <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/90494\" target=\"_blank\" rel=\"noopener noreferrer\">IEC official publication page<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-2\">\r\n        IECEx.\r\n        <em>IECEx OD 504 \u2014 Specification for Units of Competence Assessment Outcomes.<\/em>\r\n        IECEx documentation covering hazardous-area competence and equipment groups, including Group I for mines susceptible to firedamp.\r\n        <a href=\"https:\/\/www.iecex.com\/assets\/dmsdocuments\/1556\/IECEx-OD-504Ed4.0-RLV.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">IECEx official document<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-3\">\r\n        Generac Industrial Power.\r\n        <em>Sizing Considerations for Commercial and Industrial Generators.<\/em>\r\n        Technical guidance addressing load analysis, motor starting, starting kVA and load sequencing.\r\n        <a href=\"https:\/\/www.generac.com\/globalassets\/pdfs\/industrial\/whitepapers\/sizing-considerations-for-comm-and-ind-gens.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Generac technical paper<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-4\">\r\n        Caterpillar Inc.\r\n        <em>Cat EMCP 4 Start Signal Monitoring.<\/em>\r\n        Technical guidance describing utility monitoring, transfer-device operation and generator start signalling.\r\n        <a href=\"https:\/\/www.cat.com\/en_US\/by-industry\/electric-power\/Articles\/White-papers\/cat-emcp-4-start-signal-monitoring.html\" target=\"_blank\" rel=\"noopener noreferrer\">Caterpillar technical article<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-5\">\r\n        International Electrotechnical Commission (IEC).\r\n        <em>IEC 60529:1989+A1:1999+A2:2013 \u2014 Degrees of protection provided by enclosures (IP Code).<\/em>\r\n        <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/2452\" target=\"_blank\" rel=\"noopener noreferrer\">IEC official publication page<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-6\">\r\n        Eaton.\r\n        <em>Automatic Transfer Switches Product Guide.<\/em>\r\n        Manufacturer documentation illustrating why transfer-switch short-circuit performance must be evaluated with the specified upstream protective device. Eaton values are product-specific and are not presented as LEEYEE ratings.\r\n        <a href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/products\/low-voltage-power-distribution-controls-systems\/ats\/resources\/eaton-automatic-transfer-switches-product-guide-br140005en-gb-ca.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Eaton ATS product guide<\/a>.\r\n      <\/li>\r\n    <\/ol>\r\n  <\/div>\r\n\r\n<\/article>\r\n\r\n<script>\r\ndocument.addEventListener('DOMContentLoaded', function () {\r\n  var aboutPopupButtons = document.querySelectorAll('.leeyee-site-popup-btn');\r\n\r\n  aboutPopupButtons.forEach(function (button) {\r\n    button.addEventListener('click', function () {\r\n      var realPopupTrigger = document.querySelector(\r\n        '.w-popup.ush_popup_1 .w-popup-trigger'\r\n      );\r\n\r\n      if (realPopupTrigger) {\r\n        realPopupTrigger.click();\r\n      } else {\r\n        window.open(\r\n          'https:\/\/www.cnspd.com\/contact\/',\r\n          '_blank',\r\n          'noopener'\r\n        );\r\n      }\r\n    });\r\n  });\r\n});\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>This guide focuses on automatic transfer switches for mineral mining operations, including selected low-voltage auxiliary circuits in open-pit mines, underground mine support areas, dewatering stations, workshops and mineral-processing facilities. It does not refer to cryptocurrency mining, and it does not present a standard compact ATS as explosion-protected mining equipment. Quick Answer A mining automatic transfer&#8230;<\/p>","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[490,1,422],"tags":[],"class_list":["post-31569","post","type-post","status-publish","format-standard","hentry","category-isolator-switching","category-news","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Automatic Transfer Switch for Mining | 2P &amp; 4P ATS Guide | LEEYEE<\/title>\n<meta name=\"description\" content=\"Learn where a compact LEEYEE 2P or 4P automatic transfer switch may fit in mining auxiliary backup power systems, including generator integration, motor loads, protection and hazardous-area limits.\" \/>\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\/mining-automatic-transfer-switch\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Automatic Transfer Switch for Mining | 2P &amp; 4P ATS Guide | LEEYEE\" \/>\n<meta property=\"og:description\" content=\"Learn where a compact LEEYEE 2P or 4P automatic transfer switch may fit in mining auxiliary backup power systems, including generator integration, motor loads, protection and hazardous-area limits.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnspd.com\/es\/mining-automatic-transfer-switch\/\" \/>\n<meta property=\"og:site_name\" content=\"Surge Protector, Surge Arrestor, Isolating Switch - LEEYEE\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-09T01:40:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-09T01:44:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/06\/3.png\" \/>\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=\"13 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/\"},\"author\":{\"name\":\"Devin Ling\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/#\\\/schema\\\/person\\\/f49dbafe62c5b47100ad2d9f88af92d3\"},\"headline\":\"Automatic Transfer Switch for Mining: Compact 2P \\\/ 4P Backup Power Selection Guide\",\"datePublished\":\"2026-10-09T01:40:34+00:00\",\"dateModified\":\"2026-10-09T01:44:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/\"},\"wordCount\":2586,\"image\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cnspd.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/3.png\",\"articleSection\":[\"Isolator &amp; Switching\",\"News\",\"Technical Guides\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/\",\"url\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/\",\"name\":\"Automatic Transfer Switch for Mining | 2P & 4P ATS Guide | LEEYEE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cnspd.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/3.png\",\"datePublished\":\"2026-10-09T01:40:34+00:00\",\"dateModified\":\"2026-10-09T01:44:24+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/#\\\/schema\\\/person\\\/f49dbafe62c5b47100ad2d9f88af92d3\"},\"description\":\"Learn where a compact LEEYEE 2P or 4P automatic transfer switch may fit in mining auxiliary backup power systems, including generator integration, motor loads, protection and hazardous-area limits.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.cnspd.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/3.png\",\"contentUrl\":\"https:\\\/\\\/www.cnspd.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/3.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/mining-automatic-transfer-switch\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.cnspd.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Automatic Transfer Switch for Mining: Compact 2P \\\/ 4P Backup Power Selection Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/#website\",\"url\":\"https:\\\/\\\/www.cnspd.com\\\/\",\"name\":\"Surge Protector, Surge Arrestor, Isolating Switch - 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