{"product_id":"square-d-lhl26400mb","title":"Square D LHL26400MB 400A 2-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003ePower heavy electrical systems with confidence using the Square D LHL26400MB 400A 2-Pole 600 V Circuit Breaker. Built by Square D for demanding commercial and industrial panels, this unit delivers robust overload protection for high-current feeders while maintaining dependable operation in challenging environments. The part number LHL26400MB ensures you’re selecting a genuine Square D component designed for long service in critical electrical installations.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LHL26400MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this 400A, 2-Pole breaker makes sense\u003c\/h2\u003e\n\u003cp\u003eWhen you’re protecting large feeders or main distribution circuits, a 400 A, 2-Pole design provides simultaneous protection of both hot legs and a common trip. With a 600 V rating, it’s suited for panels and equipment operating at higher voltage levels, helping to prevent costly fault currents from propagating through your system. This unit integrates into Square D panel ecosystems that accept LHL-series devices, delivering consistent trip performance and mechanical fit with compatible bus bars and mounting footprints.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eBest-suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial control panels and main distribution panels that require a 400 A feeder breaker\u003c\/li\u003e\n\u003cli\u003eCommercial electrical installations with two hot legs and a 600 V maximum system rating\u003c\/li\u003e\n\u003cli\u003eUpgrades or replacements in Square D panels designed for LHL-series devices\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and maintenance tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with your panel’s bus type and confirm it accepts LHL26400MB devices.\u003c\/li\u003e\n\u003cli\u003ePower down the equipment and follow standard lockout\/tagout procedures before installation or replacement.\u003c\/li\u003e\n\u003cli\u003eEnsure terminals are torqued to the panel manufacturer’s specifications and seating is secure to maintain reliable operation.\u003c\/li\u003e\n\u003cli\u003eUse this breaker as part of a balanced protection strategy for feeders to reduce nuisance trips and maintain system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose Square D for your protection needs?\u003c\/h2\u003e\n\u003cp\u003eSquare D, part of Schneider Electric, brings decades of electrical protection expertise to the LHL family. The LHL26400MB 400A 2-Pole 600 V circuit breaker combines trusted protection, clear trip indicators, and a form factor designed for compatibility with a broad range of panels. Choosing this unit means you’re investing in a component with established performance, availability, and support across industrial and commercial installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423158653090,"sku":"LHL26400MB","price":13026.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-lhl26400mb","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}