{"product_id":"square-d-mhl36350-350a-3-pole-circuit-breaker","title":"Square D MHL36350 - 350 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D MHL36350\u003c\/strong\u003e is a 350A, 3-pole molded case circuit breaker engineered to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Designed for demanding environments, it provides the robustness you need for residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e helps maximize panel space and simplifies bus bar arrangement, making installations neater and easier to service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines overload protection (thermal) with instantaneous short-circuit protection (magnetic) for stable, repeatable performance across temperature variations and load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e supports balanced three-phase systems, ideal for larger feeders and motor-driven loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible integration\u003c\/strong\u003e is designed to work with matching Square D loadcenters and panelboards, ensuring proper fit, electrical coordination, and straightforward maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e with a 350A rating makes it well-suited for main feeders and substantial branch circuits in a range of facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: MHL36350\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 350A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits from this breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacility owners upgrading panelboards or loadcenters that require robust protection for high-current circuits\u003c\/li\u003e \u003cli\u003eElectrical contractors installing or refurbishing commercial spaces, light industrial facilities, or multi-residential buildings\u003c\/li\u003e \u003cli\u003eSystems that run three-phase equipment or large motor loads where reliable instantaneous trip is crucial\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical usage and setup tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or loadcenter is designed to accept a 350A, 3-pole molded case breaker of the MHL family to ensure proper fit and electrical coordination.\u003c\/li\u003e \u003cli\u003ePlan for space efficiency: the compact molded case design helps you optimize bus layouts and maintain clear labeling for easier service later on.\u003c\/li\u003e \u003cli\u003eConsider ambient conditions and wiring requirements typical for residential, commercial, or light industrial environments to maintain consistent protector performance.\u003c\/li\u003e \u003cli\u003eReplace like-for-like: when upgrading or replacing an existing MHL36350, maintain the exact part number to preserve compatibility with OEM enclosures and upstream protective devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBuilt to deliver dependable, coordinated protection in Square D systems, the \u003cstrong\u003eSquare D MHL36350 – 350A, 3-Pole Molded Case Circuit Breaker\u003c\/strong\u003e is a focused solution for serious electrical protection where space efficiency, precise trip performance, and seamless panel integration matter most. If you’re equipping panelboards or loadcenters for substantial branch circuits or high-current feeders, this breaker provides clear, practical advantages you’ll notice in installation ease and long-term reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355347341474,"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_4ed26b9e-a97c-48d8-bcaa-af2908e9a487.png?v=1764691448","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl36350-350a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}