{"product_id":"lga36400u31x","title":"Square D LGA36400U31X - 400A, 600VAC, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LGA36400U31X is a rugged 400A, 600VAC, 3-pole circuit breaker engineered to deliver dependable overcurrent protection in demanding electrical environments. Designed for use in panelboards, switchboards, and control panels, it provides solid, reliable performance where uptime and safe operation are critical.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-phase protection suitable for three-phase power distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, switchboards, and control panels in industrial, commercial, and OEM settings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty protection for large feeders:\u003c\/strong\u003e With a 400A rating and 600VAC capability, it safeguards high-current circuits feeding motors, drives, and other critical equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile three-pole design:\u003c\/strong\u003e Optimized for three-phase systems, ensuring coordinated protection across all phases in distribution panels and motor control centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProven Square D reliability:\u003c\/strong\u003e Built to perform in environments where electrical protection must act fast to prevent equipment damage and unexpected downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndustrial and commercial panelboards where large feeders require robust overcurrent protection\u003c\/li\u003e \u003cli\u003eSwitchboards and motor control centers that serve multi-motor applications\u003c\/li\u003e \u003cli\u003eOEM equipment where a dependable 3-pole breaker is part of the standard electrical protection scheme\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems it helps you solve\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents damage from overloads and short circuits on three-phase circuits\u003c\/li\u003e \u003cli\u003eReduces unplanned downtime by protecting essential power distribution paths\u003c\/li\u003e \u003cli\u003eSupports safe operation in high-current electrical installations with a compact, reliable form factor\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical deployment tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your panelboard, switchboard, or control panel’s mounting and terminations for a seamless retrofit or new-build installation\u003c\/li\u003e \u003cli\u003ePair with appropriate wiring and disconnect strategies to maintain clear isolation and safe maintenance practices\u003c\/li\u003e \u003cli\u003eRegularly inspect for signs of wear or overheating in high-load environments to maintain optimal protection performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390796189858,"sku":"LGA36400U31X","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_37721cee-f43a-49e7-a30b-ec1aaa34e720.png?v=1765379977","url":"https:\/\/www.ampstate.com\/products\/lga36400u31x","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}