{"product_id":"square-d-laf3640036mv1027-circuit-breaker","title":"Square D | LAF3640036MV1027 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Square D, the LAF3640036MV1027 Circuit Breaker delivers dependable 400-amp, 3-pole protection for 600-volt systems. This unit is built for maintenance, retrofit, and replacement projects where exact compatibility matters, so you can upgrade or restore your electrical distribution with confidence.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LAF3640036MV1027\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility:\u003c\/strong\u003e The part number LAF3640036MV1027 is the most reliable reference for matching breakers to your Square D panels and distribution assemblies, minimizing guesswork during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eclear suitability for 600V, 3-phase systems:\u003c\/strong\u003e Designed to protect and control circuits in commercial and industrial environments where three-phase power is standard.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable maintenance and retrofits:\u003c\/strong\u003e Ideal for updating aging panels or outfitting new equipment in facilities that require a precise 400A, 3-pole solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 3-pole breaker in 600V, 3-phase electrical systems within manufacturing or processing facilities.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing panels expect the LAF3640036MV1027 form factor and rating.\u003c\/li\u003e \u003cli\u003eMaintenance shutdowns that require a fast, compatible swap to restore power safely and efficiently.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit and compatibility guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel documentation. The LAF3640036MV1027 part number is the best reference for compatibility, ensuring you don’t encounter fit issues or rating mismatches during replacement or upgrade.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the main supply and follow proper lockout\/tagout procedures before servicing any circuit breaker.\u003c\/li\u003e \u003cli\u003eVerify conductor sizing and torque specifications align with your panel’s requirements and the breaker's terminals.\u003c\/li\u003e \u003cli\u003eStore and handle breakers in clean, dry conditions to preserve performance and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426827260066,"sku":"LAF3640036MV1027","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-laf3640036mv1027-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}