{"product_id":"square-d-lll36400u33x-circuit-breaker","title":"Square D | LLL36400U33X | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D LLL36400U33X\u003c\/strong\u003e is a 3-pole circuit breaker designed for reliability in maintenance, retrofit, and replacement projects within Square D panel systems. The specific part number LLL36400U33X is the best reference to verify compatibility, so always confirm fit and ratings before ordering.\u003c\/p\u003e \u003ch2\u003eDesigned for 3-Phase Protection\u003c\/h2\u003e\n\u003cp\u003eThis three-pole breaker provides protection for 3-phase electrical circuits, making it ideal for commercial and industrial panel setups that require coordinated protection across all phases. Use in service renovations or panel upgrades where a matching Square D device is needed.\u003c\/p\u003e \u003ch2\u003eKey Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LLL36400U33X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003cli\u003eFor maintenance, retrofit, and replacement—verify compatibility with your panel before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy Choose This LLL36400U33X 3-Pole Breaker\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart-number-driven compatibility: Rely on LLL36400U33X as the primary reference to ensure the breaker matches your Square D panel’s specifications.\u003c\/li\u003e\n\u003cli\u003eTargeted use cases: Perfect for upgrades in existing Square D installations where a precise 3-pole device is required.\u003c\/li\u003e\n\u003cli\u003eReliability and availability: A genuine Square D component designed to integrate with compatible panels and protect 3-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility, Installation \u0026amp; Best Practices\u003c\/h2\u003e\n\u003cp\u003eBefore you install, double-check that the panel and circuit ratings align with the device. This product is intended for Square D panels and related equipment; the best reference for compatibility remains the LLL36400U33X part number. If you’re unsure, consult your panel documentation and follow lockout\/tagout safety procedures during replacement.\u003c\/p\u003e \u003ch2\u003ePractical Use Scenarios\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrading an older three-phase panel to contemporary protection with a matching 3-pole breaker.\u003c\/li\u003e\n\u003cli\u003eReplacing a failed breaker in a Square D system with a direct part-number match to minimize compatibility risk.\u003c\/li\u003e\n\u003cli\u003ePerforming routine maintenance or panel retrofits where a 3-pole device is required to protect multi-phase loads such as motors, compressors, or three-phase equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSecure your 3-pole protection with confidence by selecting the Square D LLL36400U33X when compatibility is defined by part number. Always verify fit and ratings to ensure safe, reliable operation of your three-phase electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427226308770,"sku":"LLL36400U33X","price":33785.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lll36400u33x-circuit-breaker-3-pole-532.webp?v=1789688825","url":"https:\/\/www.ampstate.com\/products\/square-d-lll36400u33x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}