{"product_id":"square-d-lcl36400-400a-600v-3-pole-circuit-breaker","title":"Square D LCL36400 - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cb\u003eSquare D LCL36400\u003c\/b\u003e is a robust 400 A, \u003cb\u003e600 V\u003c\/b\u003e, \u003cb\u003e3-pole molded case circuit breaker\u003c\/b\u003e designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for dedicated protection, it pairs a compact molded case design with a thermal-magnetic trip unit to provide stable, repeatable performance when it matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e LCL36400\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of Poles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSpace-efficient design\u003c\/b\u003e: The compact molded case form maximizes panel space, making it easier to fit into existing panelboards and load centers without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic protection\u003c\/b\u003e: The trip unit combines thermal and magnetic sensing to deliver precise, dependable protection, reducing nuisance trips while responding quickly to true faults.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM compatibility\u003c\/b\u003e: Specifically designed to be compatible with matching Square D OEM load centers and panelboards, simplifying replacement and upgrades and preserving system integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile for multiple environments\u003c\/b\u003e: Suitable for residential, commercial, and light industrial applications where robust protection of large branch circuits is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Square D LCL36400 in panelboards and load centers where a 400 A, 3-pole device is appropriate. It’s an excellent choice for safeguarding essential branch circuits in \u003cb\u003eresidential multi-family panels\u003c\/b\u003e, \u003cb\u003ecommercial office environments\u003c\/b\u003e, and \u003cb\u003elight industrial electrical panels\u003c\/b\u003e. Its dependable thermal-magnetic trip ensures a predictable response to overloads and short circuits, helping protect wiring, devices, and downstream equipment.\u003c\/p\u003e \u003ch3\u003eInstallation tips and practical insights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or load center is rated for 600 V and supports a 3-pole device of 400 A to ensure proper fit and protection performance.\u003c\/li\u003e \u003cli\u003ePair this MCCB with the matching OEM enclosure to maintain electrical coordination and warranty continuity.\u003c\/li\u003e \u003cli\u003ePlan panel layout to accommodate the compact size without obstructing adjacent meters or feeders, aiming for clear labeling of protected circuits.\u003c\/li\u003e \u003cli\u003eRegularly inspect for signs of wear or overheating on terminations and ensure torque is within manufacturer guidelines during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEngineered to deliver dependable protection where it matters, the \u003cb\u003eSquare D LCL36400\u003c\/b\u003e combines a space-conscious design, precise thermal-magnetic trip behavior, and OEM-aligned compatibility to empower safer, more reliable electrical systems across residential, commercial, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355317260450,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_eac5ae7d-141c-4243-b563-d64db3ffd2ef.png?v=1764691282","url":"https:\/\/www.ampstate.com\/products\/square-d-lcl36400-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}