{"id":31531,"date":"2026-10-07T14:31:55","date_gmt":"2026-10-07T06:31:55","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=31531"},"modified":"2026-10-07T14:32:28","modified_gmt":"2026-10-07T06:32:28","slug":"automatic-transfer-switch-for-pump-control-panels-pump-stations","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/pt\/pump-control-panel-automatic-transfer-switch\/","title":{"rendered":"Automatic Transfer Switch for Pump Control Panels &#038; Pump Stations"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"31531\" class=\"elementor elementor-31531\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1359ce e-flex e-con-boxed e-con e-parent\" data-id=\"e1359ce\" 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-c76225b elementor-widget elementor-widget-html\" data-id=\"c76225b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n.leeyee-pump-ats-article{\r\n  --ly-blue:#004898;\r\n  --ly-blue-dark:#00386f;\r\n  --ly-blue-soft:#eef5ff;\r\n  --ly-blue-soft-2:#f7fbff;\r\n  --ly-text:#263443;\r\n  --ly-muted:#647485;\r\n  --ly-line:#dbe5ed;\r\n  --ly-warning-bg:#fff8e9;\r\n  --ly-radius:12px;\r\n  --ly-shadow:0 8px 24px rgba(15,45,75,.07);\r\n  width:100%;\r\n  max-width:840px;\r\n  margin:0 auto;\r\n  padding:8px 20px 60px;\r\n  color:var(--ly-text);\r\n  font-size:17px;\r\n  line-height:1.72;\r\n  box-sizing:border-box;\r\n}\r\n\r\n.leeyee-pump-ats-article *,\r\n.leeyee-pump-ats-article *::before,\r\n.leeyee-pump-ats-article *::after{\r\n  box-sizing:border-box;\r\n}\r\n\r\n.leeyee-pump-ats-article p{\r\n  margin:0 0 18px;\r\n}\r\n\r\n.leeyee-pump-ats-article h2{\r\n  margin:54px 0 18px;\r\n  color:#172b3c;\r\n  font-size:32px;\r\n  line-height:1.24;\r\n 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0 10px;\r\n  padding:6px 10px;\r\n  border-radius:6px;\r\n  background:var(--ly-blue-soft);\r\n  color:var(--ly-blue);\r\n  font-size:13px;\r\n  line-height:1.2;\r\n  font-weight:750;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-table-wrap{\r\n  width:100%;\r\n  margin:20px 0 12px;\r\n  overflow-x:auto;\r\n  -webkit-overflow-scrolling:touch;\r\n  border:1px solid var(--ly-line);\r\n  border-radius:10px;\r\n  background:#fff;\r\n}\r\n\r\n.leeyee-pump-ats-article table{\r\n  width:100%;\r\n  min-width:620px;\r\n  margin:0;\r\n  border-collapse:collapse;\r\n  background:#fff;\r\n  font-size:15.5px;\r\n  line-height:1.5;\r\n}\r\n\r\n.leeyee-pump-ats-article th{\r\n  padding:13px 14px;\r\n  border:0;\r\n  border-bottom:1px solid #d4e0ea;\r\n  background:var(--ly-blue-soft);\r\n  color:#173952;\r\n  font-weight:750;\r\n  text-align:left;\r\n  vertical-align:top;\r\n}\r\n\r\n.leeyee-pump-ats-article td{\r\n  padding:13px 14px;\r\n  border:0;\r\n  border-bottom:1px solid #e6edf2;\r\n  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strong:first-child{\r\n  display:block;\r\n  margin-bottom:6px;\r\n  color:#754600;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-buyer-meaning{\r\n  margin:18px 0 25px;\r\n  padding:15px 18px;\r\n  border-left:3px solid var(--ly-blue);\r\n  background:#f8fbfd;\r\n  color:#395064;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-buyer-meaning strong{\r\n  color:var(--ly-blue);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-list{\r\n  margin:14px 0 24px;\r\n  padding-left:22px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-list li{\r\n  margin:7px 0;\r\n  padding-left:4px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-steps{\r\n  counter-reset:lystep;\r\n  margin:22px 0 30px;\r\n  padding:0;\r\n  list-style:none;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-steps li{\r\n  position:relative;\r\n  min-height:38px;\r\n  margin:0 0 14px;\r\n  padding:2px 0 2px 48px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-steps li::before{\r\n  counter-increment:lystep;\r\n  content:counter(lystep);\r\n  position:absolute;\r\n  top:0;\r\n  left:0;\r\n  display:flex;\r\n  align-items:center;\r\n  justify-content:center;\r\n  width:32px;\r\n  height:32px;\r\n  border-radius:50%;\r\n  background:var(--ly-blue);\r\n  color:#fff;\r\n  font-size:14px;\r\n  line-height:1;\r\n  font-weight:750;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-checklist{\r\n  margin:24px 0 28px;\r\n  padding:24px 24px 20px;\r\n  border:1px solid #cadcea;\r\n  border-radius:12px;\r\n  background:var(--ly-blue-soft-2);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-checklist h3{\r\n  margin-top:0;\r\n  color:var(--ly-blue);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-check-grid{\r\n  display:grid;\r\n  grid-template-columns:1fr 1fr;\r\n  gap:8px 30px;\r\n  margin:14px 0 0;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-check-item{\r\n  position:relative;\r\n  padding:7px 0 7px 28px;\r\n  color:#334a5c;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-check-item::before{\r\n  content:\"\u2713\";\r\n  position:absolute;\r\n  top:7px;\r\n  left:0;\r\n  color:var(--ly-blue);\r\n  font-weight:800;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-cta{\r\n  margin:30px 0 40px;\r\n  padding:24px;\r\n  border:1px solid #cfdde8;\r\n  border-radius:12px;\r\n  background:#fff;\r\n  box-shadow:var(--ly-shadow);\r\n  text-align:center;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-cta h3{\r\n  margin:0 0 8px;\r\n  font-size:22px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-cta p{\r\n  max-width:640px;\r\n  margin:0 auto 17px;\r\n  color:#526677;\r\n  font-size:15.5px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-about-btn-light{\r\n  -webkit-appearance:none;\r\n  appearance:none;\r\n  display:inline-flex;\r\n  align-items:center;\r\n  justify-content:center;\r\n  min-height:50px;\r\n  max-width:100%;\r\n  padding:0 24px;\r\n  border:2px solid var(--ly-blue);\r\n  border-radius:10px;\r\n  background:#fff;\r\n  color:var(--ly-blue);\r\n  box-shadow:0 5px 14px rgba(0,72,152,.12);\r\n  font:inherit;\r\n  font-size:15px;\r\n  line-height:1.2;\r\n  font-weight:700;\r\n  text-align:center;\r\n  cursor:pointer;\r\n  transition:\r\n    background-color .18s ease,\r\n    color .18s ease,\r\n    transform .18s ease,\r\n    box-shadow .18s ease;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-about-btn-light:hover{\r\n  background:var(--ly-blue);\r\n  color:#fff;\r\n  transform:translateY(-1px);\r\n  box-shadow:0 7px 18px rgba(0,72,152,.18);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-about-btn-light:focus-visible{\r\n  outline:3px solid rgba(0,72,152,.25);\r\n  outline-offset:3px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-about-btn-light .w-btn-label{\r\n  display:block;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-faq{\r\n  margin:20px 0 0;\r\n  border-top:1px solid var(--ly-line);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-faq-item{\r\n  padding:21px 0;\r\n  border-bottom:1px solid var(--ly-line);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-faq-item h3{\r\n  margin:0 0 8px;\r\n  font-size:19px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-faq-item p{\r\n  margin:0;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-references{\r\n  margin-top:54px;\r\n  padding-top:4px;\r\n  border-top:1px solid var(--ly-line);\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-references ol{\r\n  margin:16px 0 0;\r\n  padding-left:22px;\r\n}\r\n\r\n.leeyee-pump-ats-article .leeyee-references li{\r\n  margin:10px 0;\r\n  padding-left:4px;\r\n  color:#526576;\r\n  font-size:14px;\r\n  line-height:1.58;\r\n  overflow-wrap:anywhere;\r\n}\r\n\r\n@media(max-width:768px){\r\n  .leeyee-pump-ats-article{\r\n    padding:5px 18px 48px;\r\n    font-size:16px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h2{\r\n    margin-top:44px;\r\n    font-size:28px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h3{\r\n    font-size:21px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-intro{\r\n    font-size:17px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-product-evidence,\r\n  .leeyee-pump-ats-article .leeyee-quick-answer,\r\n  .leeyee-pump-ats-article .leeyee-checklist,\r\n  .leeyee-pump-ats-article .leeyee-cta{\r\n    padding:20px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-product-image-wrap{\r\n    padding:12px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-check-grid{\r\n    grid-template-columns:1fr;\r\n    gap:2px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article table{\r\n    min-width:560px;\r\n    font-size:14.5px;\r\n  }\r\n}\r\n\r\n@media(max-width:600px){\r\n  .leeyee-pump-ats-article{\r\n    padding-left:16px;\r\n    padding-right:16px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h2{\r\n    font-size:26px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-quick-answer h2{\r\n    font-size:23px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-about-btn-light{\r\n    width:100%;\r\n    min-height:50px;\r\n    padding:0 18px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-figure{\r\n    margin:26px auto 34px;\r\n  }\r\n}\r\n\r\n@media(max-width:430px){\r\n  .leeyee-pump-ats-article{\r\n    padding-left:14px;\r\n    padding-right:14px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h2{\r\n    margin-top:40px;\r\n    font-size:24px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h3{\r\n    font-size:20px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-product-evidence,\r\n  .leeyee-pump-ats-article .leeyee-quick-answer,\r\n  .leeyee-pump-ats-article .leeyee-checklist,\r\n  .leeyee-pump-ats-article .leeyee-cta,\r\n  .leeyee-pump-ats-article .leeyee-callout,\r\n  .leeyee-pump-ats-article .leeyee-warning{\r\n    padding:18px;\r\n  }\r\n}\r\n\r\n@media(max-width:360px){\r\n  .leeyee-pump-ats-article{\r\n    padding-left:12px;\r\n    padding-right:12px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article h2{\r\n    font-size:23px;\r\n  }\r\n\r\n  .leeyee-pump-ats-article .leeyee-keyline span{\r\n    width:100%;\r\n  }\r\n}\r\n<\/style>\r\n\r\n<article class=\"leeyee-pump-ats-article\">\r\n\r\n  <div class=\"leeyee-kicker\">Pump Control Panel Engineering Guide<\/div>\r\n\r\n  <p class=\"leeyee-intro\">\r\n    A pump station automatic transfer switch should be selected as part of the complete utility-generator-pump control system, not from pump power alone. For suitable low-voltage pump-control applications, a compact ATS can transfer the control panel between normal and standby sources while the downstream starter, VFD, soft starter, motor protection device and pump controller continue to perform their own functions. IEC 60947-6-1:2026 covers transfer switching equipment used to transfer loads between power sources for continuity of supply.<sup><a href=\"#ref-1\">[1]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <section class=\"leeyee-quick-answer\">\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\/pt\/pump-control-panel-automatic-transfer-switch\/#quick-answer-is-a-compact-ats-suitable-for-a-pump-control-panel\" >Quick Answer: Is a Compact ATS Suitable for a Pump Control Panel?<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#where-does-the-ats-sit-in-a-pump-control-panel\" >Where Does the ATS Sit in a Pump Control Panel?<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#how-to-select-a-pump-station-automatic-transfer-switch\" >How to Select a Pump Station Automatic Transfer Switch<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#do-not-size-the-ats-from-pump-kw-alone\" >Do Not Size the ATS from Pump kW Alone<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#why-pump-motor-starting-matters\" >Why Pump Motor Starting Matters<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#one-pump-and-multiple-pumps-are-different-loads\" >One Pump and Multiple Pumps Are Different Loads<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#match-the-ats-with-the-standby-generator\" >Match the ATS with the Standby Generator<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#2p-or-4p-for-a-pump-control-panel\" >2P or 4P for a Pump Control 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\/pt\/pump-control-panel-automatic-transfer-switch\/#mccb-ats-and-motor-protection-have-different-jobs\" >MCCB, ATS and Motor Protection Have Different Jobs<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#transfer-delays-are-a-system-function-not-an-assumed-product-feature\" >Transfer Delays Are a System Function, Not an Assumed Product Feature<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#remote-monitoring-must-be-confirmed-model-by-model\" >Remote Monitoring Must Be Confirmed Model by Model<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#outdoor-pump-stations-need-a-suitable-completed-enclosure\" >Outdoor Pump Stations Need a Suitable Completed Enclosure<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#which-pump-applications-fit-this-compact-ats-format\" >Which Pump Applications Fit This Compact ATS Format?<\/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\/pt\/pump-control-panel-automatic-transfer-switch\/#engineering-note-fire-pump-applications\" >Engineering Note: Fire Pump Applications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/pump-control-panel-automatic-transfer-switch\/#before-ordering-pump-control-panel-ats-checklist\" >Before Ordering: Pump Control Panel ATS Checklist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/pump-control-panel-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-17\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/pt\/pump-control-panel-automatic-transfer-switch\/#references\" >References<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"quick-answer-is-a-compact-ats-suitable-for-a-pump-control-panel\"><\/span>Quick Answer: Is a Compact ATS Suitable for a Pump Control Panel?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n    <p>\r\n      Yes, when the required pump-control load falls within the verified electrical and switching ratings of the selected ATS. For LEEYEE's compact 2P and 4P open-transition ATS format, suitability should be confirmed from system voltage, motor current, starting method, generator capability, pole configuration and protection design.\r\n    <\/p>\r\n\r\n    <p>\r\n      Larger pump stations, higher-current motor systems, specialized fire-pump installations, closed-transition systems and bypass-isolation architectures require separate engineering confirmation and should not be assumed to use the same compact ATS.\r\n    <\/p>\r\n\r\n    <div class=\"leeyee-keyline\">\r\n      <span>Compact ATS<\/span>\r\n      <span>2P \/ 4P<\/span>\r\n      <span>Open transition<\/span>\r\n      <span>Utility \/ generator<\/span>\r\n      <span>Pump control panel<\/span>\r\n      <span>Project verification<\/span>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <figure class=\"leeyee-figure\">\r\n    <img fetchpriority=\"high\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/pump-station-ats-power-architecture-diagram.webp\"\r\n      alt=\"Pump station automatic transfer switch power architecture from utility and generator to pump control panel and motor\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"eager\"\r\n      fetchpriority=\"high\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Typical utility-generator architecture for a pump control panel. The ATS changes the incoming power source; downstream equipment continues to control and protect the motor.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"where-does-the-ats-sit-in-a-pump-control-panel\"><\/span>Where Does the ATS Sit in a Pump Control Panel?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    In a typical compact pump-control application, the ATS is installed upstream of the pump control equipment. One input receives the normal utility supply and the other receives the standby source, such as a generator. The ATS output then supplies the pump control panel.\r\n  <\/p>\r\n\r\n  <p>\r\n    The ATS does not replace the motor starter or motor protection. IEC 60947-4-1:2023 separately covers electromechanical contactors, motor starters and motor protective switching devices.<sup><a href=\"#ref-2\">[2]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-buyer-meaning\">\r\n    <strong>Buyer meaning:<\/strong> The ATS changes the power source. The pump controller, contactor, VFD, soft starter and motor protection system continue to control the pump itself.\r\n  <\/div>\r\n\r\n  <section class=\"leeyee-product-evidence\">\r\n\r\n    <div class=\"leeyee-product-image-wrap\">\r\n      <img\r\n        src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/06\/2.png\"\r\n        alt=\"LEEYEE compact 2P and 4P automatic transfer switches for low-voltage backup power applications\"\r\n        loading=\"lazy\"\r\n        decoding=\"async\">\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-product-copy\">\r\n      <span class=\"leeyee-evidence-label\">Actual LEEYEE Product Format<\/span>\r\n\r\n      <h3>Compact 2P \/ 4P Open-Transition ATS<\/h3>\r\n\r\n      <p>\r\n        The product shown above represents the actual compact LEEYEE ATS format used for suitable low-voltage source-transfer applications. The integrated device combines source switching with front-panel operating and status functions in a compact form suitable for installation inside distribution and control panels.\r\n      <\/p>\r\n\r\n      <p>\r\n        For a pump-control application, the physical format alone does not prove suitability. The selected model still has to match the real system voltage, motor current, motor-starting duty, generator capability, protection arrangement and project requirements.\r\n      <\/p>\r\n    <\/div>\r\n\r\n  <\/section>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"how-to-select-a-pump-station-automatic-transfer-switch\"><\/span>How to Select a Pump Station Automatic Transfer Switch<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    Start with the real pump-system duty rather than the pump kW alone. The first question is whether the required current and switching duty fall within the verified range of the compact ATS being considered.\r\n  <\/p>\r\n\r\n  <ol class=\"leeyee-steps\">\r\n    <li><strong>Confirm voltage, phase and frequency.<\/strong> Check whether the electrical system matches the available ATS configuration.<\/li>\r\n    <li><strong>Read the motor nameplate.<\/strong> Record motor rated power and full-load current.<\/li>\r\n    <li><strong>Confirm the starting method.<\/strong> DOL, star-delta, soft starter and VFD systems create different starting conditions.<\/li>\r\n    <li><strong>Check simultaneous operation.<\/strong> Determine how many pumps can run or start together.<\/li>\r\n    <li><strong>Verify the standby generator.<\/strong> Confirm that it can support the required running load and motor-starting sequence.<\/li>\r\n    <li><strong>Confirm 2P or 4P configuration.<\/strong> Pole selection must match the actual conductor and neutral arrangement.<\/li>\r\n    <li><strong>Verify the ATS rating.<\/strong> Confirm the selected model against its verified electrical, thermal and short-circuit coordination conditions.<\/li>\r\n  <\/ol>\r\n\r\n  <figure class=\"leeyee-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/pump-control-panel-ats-selection-flow.webp\"\r\n      alt=\"ATS selection flow for pump control panels based on voltage motor current starting method generator and pole configuration\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      ATS selection flow for pump control panels. Do not approve the final model until motor duty, simultaneous load, generator capability and protection conditions have been checked.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"do-not-size-the-ats-from-pump-kw-alone\"><\/span>Do Not Size the ATS from Pump kW Alone<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    Pump power is useful, but it does not describe the complete electrical duty. Two pumps with the same kW rating can create different requirements because their voltage, motor current, starting method and operating sequence may be different.\r\n  <\/p>\r\n\r\n  <p>\r\n    Generator sizing also depends on more than running kW. Caterpillar's generator sizing guidance includes running demand, starting demand, motor starting method and load steps among the relevant project inputs.<sup><a href=\"#ref-4\">[4]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-warning\">\r\n    <strong>Product boundary<\/strong>\r\n    If the pump-panel duty exceeds the verified current or switching capability of the selected compact LEEYEE ATS, do not use the device simply because the application is a pump station. A higher-capacity or separately engineered transfer solution is required.\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"why-pump-motor-starting-matters\"><\/span>Why Pump Motor Starting Matters<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    Motor loads deserve additional attention during source transfer. A rotating motor can retain residual voltage after disconnection, and reconnecting it under unfavorable phase, voltage or frequency conditions can create transient current and mechanical stress. Schneider Electric's ASCO technical guidance discusses motor-load transfer and related inrush effects.<sup><a href=\"#ref-3\">[3]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Starting Method<\/th>\r\n          <th>What Must Be Confirmed<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td><strong>DOL<\/strong><\/td>\r\n          <td>Motor starting duty, source capability and applicability of the selected ATS.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td><strong>Star-delta<\/strong><\/td>\r\n          <td>Starter sequence, transition behaviour and generator response.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td><strong>Soft starter<\/strong><\/td>\r\n          <td>Configured current limit, acceleration profile and standby-source compatibility.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td><strong>VFD<\/strong><\/td>\r\n          <td>Drive input requirements, restart logic, harmonics and generator compatibility.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <p class=\"leeyee-table-note\">\r\n    Do not use one universal current multiplier for all pump motors.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"one-pump-and-multiple-pumps-are-different-loads\"><\/span>One Pump and Multiple Pumps Are Different Loads<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    A compact ATS may be suitable for a small pump-control system while being unsuitable for a larger multi-pump station. The number of installed pumps alone does not determine the required transfer capacity; the operating sequence matters.\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Pump Arrangement<\/th>\r\n          <th>Key Question<\/th>\r\n          <th>Selection Impact<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>Single pump<\/td>\r\n          <td>What are the running and starting conditions?<\/td>\r\n          <td>Confirm that the required electrical duty remains within the verified system limits.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Duty \/ standby<\/td>\r\n          <td>Can only one pump operate at a time?<\/td>\r\n          <td>Installed motor count may be higher than simultaneous load.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Duty \/ assist<\/td>\r\n          <td>Can two pumps operate together?<\/td>\r\n          <td>Combined operating load may exceed the intended compact ATS application.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Large multi-pump station<\/td>\r\n          <td>Are multiple motors operated or started together?<\/td>\r\n          <td>Requires system-level verification and may need a higher-capacity transfer solution.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"match-the-ats-with-the-standby-generator\"><\/span>Match the ATS with the Standby Generator<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The ATS and generator form part of the same standby-power system but perform different functions. The ATS transfers the load; the generator has to provide acceptable emergency power while carrying the required pump load.\r\n  <\/p>\r\n\r\n  <p>\r\n    A generator that supports the steady running load may still require further checking for motor starting, voltage dip, frequency dip and load sequencing. Final generator sizing should follow the generator manufacturer's technical data or approved sizing tools.<sup><a href=\"#ref-4\">[4]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-warning\">\r\n    <strong>Do not use \u201cmotor kW \u00d7 a fixed multiplier\u201d as the final rule.<\/strong>\r\n    Motor design, starting method, generator characteristics, simultaneous loads and process requirements can all affect the final configuration.\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"2p-or-4p-for-a-pump-control-panel\"><\/span>2P or 4P for a Pump Control Panel?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The LEEYEE product format shown on this page includes compact 2P and 4P versions. The pole configuration must match the electrical system rather than being selected from pump power.\r\n  <\/p>\r\n\r\n  <div class=\"leeyee-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Configuration<\/th>\r\n          <th>General Application Logic<\/th>\r\n          <th>Confirm Before Ordering<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td><strong>2P<\/strong><\/td>\r\n          <td>Used where a suitable single-phase source requires two-pole transfer.<\/td>\r\n          <td>System voltage, conductor arrangement and project requirements.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td><strong>4P<\/strong><\/td>\r\n          <td>Used where four-pole switching is required by the three-phase system design.<\/td>\r\n          <td>Phase\/neutral arrangement, earthing, generator connection and protection scheme.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <p class=\"leeyee-table-note\">\r\n    Do not assume that every generator-backed system automatically requires 4P. The project electrical design must confirm the neutral and earthing arrangement.<sup><a href=\"#ref-5\">[5]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"mccb-ats-and-motor-protection-have-different-jobs\"><\/span>MCCB, ATS and Motor Protection Have Different Jobs<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The compact ATS should not be presented as an all-in-one pump protection device. Transfer switching, feeder protection, motor starting and motor protection are separate functions.<sup><a href=\"#ref-1\">[1]<\/a><\/sup><sup><a href=\"#ref-2\">[2]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <figure class=\"leeyee-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/ats-pump-panel-device-functions-diagram.webp\"\r\n      alt=\"Comparison of ATS MCCB motor starter motor protection VFD and pump controller functions in a pump control panel\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Device-function comparison for a pump control panel. The ATS changes the incoming source; downstream devices retain their own motor-control and protection functions.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"leeyee-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Device<\/th>\r\n          <th>Main Function<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>MCCB \/ upstream protection<\/td>\r\n          <td>Feeder and short-circuit protection according to the system design.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>LEEYEE compact ATS<\/td>\r\n          <td>Transfers the pump-panel supply between the normal and standby sources.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Contactor \/ starter<\/td>\r\n          <td>Starts and stops the motor.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Motor protection device<\/td>\r\n          <td>Provides motor-specific protection functions defined by the panel design.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>VFD \/ soft starter<\/td>\r\n          <td>Controls motor acceleration and, where applicable, operating speed.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Pump controller \/ PLC<\/td>\r\n          <td>Controls duty, standby, sequencing, level logic and alarms.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"transfer-delays-are-a-system-function-not-an-assumed-product-feature\"><\/span>Transfer Delays Are a System Function, Not an Assumed Product Feature<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    Pump-station systems may require source-failure delay, generator-start timing, retransfer delay or generator cool-down logic. Real pump-station specifications often include these functions.<sup><a href=\"#ref-6\">[6]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <p>\r\n    These functions must not automatically be attributed to the compact LEEYEE ATS unless the selected model documentation specifically confirms them. Depending on the project, timing logic may be implemented by the ATS controller, generator controller, PLC or another external control device.\r\n  <\/p>\r\n\r\n  <figure class=\"leeyee-figure\">\r\n    <img loading=\"lazy\"\r\n      src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/pump-station-ats-transfer-delay-sequence.webp\"\r\n      alt=\"Pump station ATS transfer delay sequence from utility failure to generator supply and return to normal power\"\r\n      width=\"1448\"\r\n      height=\"1086\"\r\n      loading=\"lazy\"\r\n      decoding=\"async\">\r\n    <figcaption>\r\n      Typical system-level transfer sequence. This diagram explains project logic and does not imply that every delay function is built into every compact ATS model.\r\n    <\/figcaption>\r\n  <\/figure>\r\n\r\n  <div class=\"leeyee-callout\">\r\n    <strong>Product scope<\/strong>\r\n    The LEEYEE product shown is a compact ordinary open-transition ATS. Closed-transition transfer, bypass isolation, maintenance bypass and large switchboard-style ATS systems are outside the standard product format shown on this page.\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"remote-monitoring-must-be-confirmed-model-by-model\"><\/span>Remote Monitoring Must Be Confirmed Model by Model<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    Some pump stations require PLC, BMS or SCADA feedback such as source availability, load position or alarm status. Pump-station design criteria can distinguish source availability from ATS switch position.<sup><a href=\"#ref-7\">[7]<\/a><\/sup>\r\n  <\/p>\r\n\r\n  <p>\r\n    The product image alone does not prove that a selected LEEYEE ATS provides dry contacts, Modbus, RS485 or another communication interface. If remote monitoring is required, confirm the actual terminal functions and communication capability from the selected model's verified technical documentation before panel design.\r\n  <\/p>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"outdoor-pump-stations-need-a-suitable-completed-enclosure\"><\/span>Outdoor Pump Stations Need a Suitable Completed Enclosure<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <p>\r\n    The compact ATS shown here is an internal panel device. Using it in an outdoor pump station does not mean the ATS itself determines the final enclosure protection level.\r\n  <\/p>\r\n\r\n  <p>The completed pump-control panel should be designed for the real installation environment, including:<\/p>\r\n\r\n  <ul class=\"leeyee-list\">\r\n    <li>required enclosure protection;<\/li>\r\n    <li>ambient temperature and humidity;<\/li>\r\n    <li>condensation control;<\/li>\r\n    <li>corrosion conditions;<\/li>\r\n    <li>ventilation and thermal management;<\/li>\r\n    <li>cable-entry sealing;<\/li>\r\n    <li>device spacing and clearances.<\/li>\r\n  <\/ul>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"which-pump-applications-fit-this-compact-ats-format\"><\/span>Which Pump Applications Fit This Compact ATS Format?<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"leeyee-table-wrap\">\r\n    <table>\r\n      <thead>\r\n        <tr>\r\n          <th>Application<\/th>\r\n          <th>Fit with the Compact ATS Format<\/th>\r\n        <\/tr>\r\n      <\/thead>\r\n      <tbody>\r\n        <tr>\r\n          <td>Small pump control panel with utility \/ generator backup<\/td>\r\n          <td>Potentially suitable after voltage, current and motor-duty verification.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Agricultural irrigation control panel<\/td>\r\n          <td>Potentially suitable where the verified load remains within the selected model's ratings.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Small water-treatment or drainage equipment panel<\/td>\r\n          <td>Potentially suitable with project-specific electrical confirmation.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Multi-pump high-current station<\/td>\r\n          <td>Do not assume suitability; calculate the real combined load and required transfer capacity.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Large municipal pump station<\/td>\r\n          <td>Requires separate engineering review and may need a higher-capacity transfer solution.<\/td>\r\n        <\/tr>\r\n        <tr>\r\n          <td>Fire pump controller<\/td>\r\n          <td>Requires dedicated standards and project confirmation; standard suitability must not be assumed.<\/td>\r\n        <\/tr>\r\n      <\/tbody>\r\n    <\/table>\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"engineering-note-fire-pump-applications\"><\/span>Engineering Note: Fire Pump Applications<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <div class=\"leeyee-warning\">\r\n    <strong>Do not automatically apply this compact ATS to a fire pump system.<\/strong>\r\n    IEC 60947-6-1:2026 includes specific provisions for transfer switching equipment used with electric-driven fire pump control equipment.<sup><a href=\"#ref-1\">[1]<\/a><\/sup> Fire-pump projects can also have separate fire-code, certification and controller requirements.\r\n  <\/div>\r\n\r\n  <h2><span class=\"ez-toc-section\" id=\"before-ordering-pump-control-panel-ats-checklist\"><\/span>Before Ordering: Pump Control Panel ATS Checklist<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\r\n  <section class=\"leeyee-checklist\">\r\n    <h3>Send These Project Details<\/h3>\r\n\r\n    <div class=\"leeyee-check-grid\">\r\n      <div class=\"leeyee-check-item\">Nominal voltage<\/div>\r\n      <div class=\"leeyee-check-item\">Frequency<\/div>\r\n      <div class=\"leeyee-check-item\">Single-phase \/ three-phase<\/div>\r\n      <div class=\"leeyee-check-item\">Normal power source<\/div>\r\n      <div class=\"leeyee-check-item\">Standby source<\/div>\r\n      <div class=\"leeyee-check-item\">Generator rating<\/div>\r\n      <div class=\"leeyee-check-item\">Pump quantity<\/div>\r\n      <div class=\"leeyee-check-item\">Motor rated power<\/div>\r\n      <div class=\"leeyee-check-item\">Motor nameplate current<\/div>\r\n      <div class=\"leeyee-check-item\">Starting method<\/div>\r\n      <div class=\"leeyee-check-item\">Maximum simultaneous load<\/div>\r\n      <div class=\"leeyee-check-item\">2P \/ 4P requirement<\/div>\r\n      <div class=\"leeyee-check-item\">Neutral \/ earthing arrangement<\/div>\r\n      <div class=\"leeyee-check-item\">Upstream protective device<\/div>\r\n      <div class=\"leeyee-check-item\">Required transfer logic<\/div>\r\n      <div class=\"leeyee-check-item\">Required monitoring signals<\/div>\r\n      <div class=\"leeyee-check-item\">Indoor \/ outdoor cabinet<\/div>\r\n      <div class=\"leeyee-check-item\">Quantity \/ OEM requirements<\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"leeyee-cta\">\r\n    <h3>Need to Confirm Whether This Compact ATS Fits Your Pump Panel?<\/h3>\r\n\r\n    <p>\r\n      Send the system voltage, motor current, starting method, number of pumps and generator information. LEEYEE can check whether the compact 2P \/ 4P open-transition ATS format is suitable or whether the project requires another transfer solution.\r\n    <\/p>\r\n\r\n    <button type=\"button\"\r\n            class=\"leeyee-about-btn-light leeyee-site-popup-btn\"\r\n            aria-label=\"Send Your Pump Panel Requirements\">\r\n      <span class=\"w-btn-label\">Send Your Pump Panel Requirements<\/span>\r\n    <\/button>\r\n  <\/section>\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=\"leeyee-faq\">\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Is this compact LEEYEE ATS suitable for every pump station?<\/h3>\r\n      <p>\r\n        No. It can be suitable for appropriate low-voltage pump-control applications, but the final decision depends on voltage, current, motor-starting duty, generator capability, protection requirements and the verified ATS ratings.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Can I select the ATS from pump kW alone?<\/h3>\r\n      <p>\r\n        No. Pump kW does not show the complete motor-starting condition or simultaneous load. Confirm the motor nameplate current, starting method and actual operating sequence.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Does the ATS control the pump motor?<\/h3>\r\n      <p>\r\n        No. The ATS transfers the incoming power source. The downstream pump controller, starter, contactor, VFD or soft starter controls motor operation.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Does this ATS include programmable transfer delays?<\/h3>\r\n      <p>\r\n        Do not assume so from the product appearance. Required timing functions must be confirmed from the selected ATS model documentation and the complete control-system design.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Can this ATS communicate with PLC, BMS or SCADA?<\/h3>\r\n      <p>\r\n        Only when the selected model provides the required output or communication interface. Confirm actual dry contacts, terminals and communication functions before panel design.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Can this compact ATS be used for a large municipal pump station?<\/h3>\r\n      <p>\r\n        Do not assume so. Large pump stations can require higher current, greater motor-starting capability, more complex control and different short-circuit performance. A separate engineering review is required.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"leeyee-faq-item\">\r\n      <h3>Can this ATS be used for a fire pump controller?<\/h3>\r\n      <p>\r\n        Suitability must not be assumed. Fire-pump transfer applications can have dedicated standards, certifications and project requirements.<sup><a href=\"#ref-1\">[1]<\/a><\/sup>\r\n      <\/p>\r\n    <\/div>\r\n\r\n  <\/div>\r\n\r\n  <section class=\"leeyee-cta\">\r\n    <h3>Confirm the Application Before Ordering<\/h3>\r\n\r\n    <p>\r\n      Share the pump-panel load data and utility-generator configuration so the project can be checked against the actual LEEYEE ATS capability rather than selected from the application name alone.\r\n    <\/p>\r\n\r\n    <button type=\"button\"\r\n            class=\"leeyee-about-btn-light leeyee-site-popup-btn\"\r\n            aria-label=\"Request ATS Model Recommendation\">\r\n      <span class=\"w-btn-label\">Request ATS Model Recommendation<\/span>\r\n    <\/button>\r\n  <\/section>\r\n\r\n  <section class=\"leeyee-references\">\r\n    <h2><span class=\"ez-toc-section\" id=\"references\"><\/span>References<span class=\"ez-toc-section-end\"><\/span><\/h2>\r\n\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\/112958\" target=\"_blank\" rel=\"noopener noreferrer\">Official IEC publication page<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-2\">\r\n        International Electrotechnical Commission (IEC).\r\n        <em>IEC 60947-4-1:2023 \u2014 Low-voltage switchgear and controlgear \u2014 Part 4-1: Contactors and motor-starters.<\/em>\r\n        <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/74487\" target=\"_blank\" rel=\"noopener noreferrer\">Official IEC publication page<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-3\">\r\n        Schneider Electric \/ ASCO.\r\n        <em>Motor Load Transfer Made Simple.<\/em>\r\n        <a href=\"https:\/\/www.se.com\/sg\/en\/download\/document\/ASC-DB-MTTMS\/\" target=\"_blank\" rel=\"noopener noreferrer\">Official technical bulletin<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-4\">\r\n        Caterpillar Electric Power.\r\n        <em>Generator Sizing Resources.<\/em>\r\n        <a href=\"https:\/\/www.cat.com\/en_US\/by-industry\/electric-power\/electric-power-resources\/genset-sizing.html\" target=\"_blank\" rel=\"noopener noreferrer\">Official sizing resource<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-5\">\r\n        Schneider Electric \/ ASCO.\r\n        <em>Neutral Configurations in Transfer Switches.<\/em>\r\n        <a href=\"https:\/\/www.se.com\/us\/en\/download\/document\/ASC-DB-NCTS\/\" target=\"_blank\" rel=\"noopener noreferrer\">Official technical bulletin<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-6\">\r\n        Fulton County Public Works.\r\n        <em>Sewer Pump Station &amp; Force Main Design Guidelines.<\/em>\r\n        <a href=\"https:\/\/www.fultoncountyga.gov\/-\/media\/Forms\/Public-Works-Forms\/View-Proposed-Construction-Standard-Details-Forms\/PS--FM-DESIGN-GUIDELINES--02202023-Final-Draft-1.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Official guideline PDF<\/a>.\r\n      <\/li>\r\n\r\n      <li id=\"ref-7\">\r\n        Fairfax County Department of Public Works and Environmental Services.\r\n        <em>Wastewater Pump Station Facility Design Criteria, Version 8.0.<\/em>\r\n        <a href=\"https:\/\/www.fairfaxcounty.gov\/publicworks\/sites\/publicworks\/files\/Assets\/documents\/facility-design-criteria.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Official design criteria PDF<\/a>.\r\n      <\/li>\r\n    <\/ol>\r\n  <\/section>\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>Pump Control Panel Engineering GuideA pump station automatic transfer switch should be selected as part of the complete utility-generator-pump control system, not from pump power alone. For suitable low-voltage pump-control applications, a compact ATS can transfer the control panel between normal and standby sources while the downstream starter, VFD, soft starter, motor protection device and&#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-31531","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>Pump Station Automatic Transfer Switch | Compact ATS Selection Guide<\/title>\n<meta name=\"description\" content=\"Learn when a compact 2P or 4P automatic transfer switch is suitable for pump control panels, including motor starting, generator backup, pole selection, protection and project limitations.\" \/>\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\/pt\/pump-control-panel-automatic-transfer-switch\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pump Station Automatic Transfer Switch | Compact ATS Selection Guide\" \/>\n<meta property=\"og:description\" content=\"Learn when a compact 2P or 4P automatic transfer switch is suitable for pump control panels, including motor starting, generator backup, pole selection, protection and project limitations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnspd.com\/pt\/pump-control-panel-automatic-transfer-switch\/\" \/>\n<meta property=\"og:site_name\" content=\"Surge Protector, Surge Arrestor, Isolating Switch - LEEYEE\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-07T06:31:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-07T06:32:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2026\/09\/pump-station-ats-power-architecture-diagram.webp\" \/>\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=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/pump-control-panel-automatic-transfer-switch\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/pump-control-panel-automatic-transfer-switch\\\/\"},\"author\":{\"name\":\"Devin Ling\",\"@id\":\"https:\\\/\\\/www.cnspd.com\\\/#\\\/schema\\\/person\\\/f49dbafe62c5b47100ad2d9f88af92d3\"},\"headline\":\"Automatic Transfer Switch for Pump Control Panels &#038; 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