{"product_id":"square-d-lhl3640022m-400a-3p-circuit-breaker","title":"Square D LHL3640022M Circuit Breaker, 400A, 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LHL3640022M Circuit Breaker is a rugged 400A, 3-pole solution designed for demanding industrial electrical service, maintenance, and replacement projects. Built on the trusted LAL thermal-magnetic platform, this unit delivers reliable protection for large three‑phase loads while keeping critical systems safe from overloads and short circuits. Use the part number LHL3640022M to confirm exact fit and compatibility with your panel and application.\u003c\/p\u003e \u003ch3\u003eKey advantages that matter in the field\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A rating\u003c\/strong\u003e supports heavy-duty, three-phase equipment such as motors, conveyor systems, pumps, and processing lines without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e provides synchronized disconnection across all three phases, enhancing personal and equipment safety in 3‑phase power networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic protection\u003c\/strong\u003e combines overload (thermal) sensing with fast magnetic tripping for immediate isolation during short circuits, minimizing damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial reliability\u003c\/strong\u003e from Square D, a long-standing leader in electrical protection and panel solutions, designed to integrate with LAL family panels and replacement parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVerified compatibility\u003c\/strong\u003e ensure proper fit by matching the part number (LHL3640022M) with your application requirements and panel specs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it’s ideal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed breakers in industrial control panels and switchgear.\u003c\/li\u003e \u003cli\u003eProtection for large motors, fans, and other high‑demand equipment on manufacturing floors.\u003c\/li\u003e \u003cli\u003eUpgrade scenarios where a robust, three‑phase, 400A protection device is needed to maintain uptime and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecification snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: LAL Thermal Magnetic Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: LHL3640022M\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eVerify fit by part number and application requirements before installation. This unit is associated with the LAL thermal-magnetic family, offering balanced protection for high‑demand, three‑phase systems. If you’re unsure about compatibility with your current panel or need assistance confirming a match, our team can help confirm the right part number and installation approach.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415708324002,"sku":"LHL3640022M","price":11621.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lhl3640022m-circuit-breaker-400a-3-pole-breakers-960.webp?v=1789191034","url":"https:\/\/www.ampstate.com\/products\/square-d-lhl3640022m-400a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}