{"product_id":"square-d-mhl36450-450a-3-pole-circuit-breaker","title":"Square D MHL36450 - 450 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MHL36450—a 450 A, 3-pole molded case circuit breaker built for dependable branch circuit overcurrent protection and short-circuit interruption in panelboards and loadcenters. Its compact molded-case design helps maximize panel space without compromising protection, making it a practical choice for a range of installations.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-conscious design\u003c\/strong\u003e — a compact molded case that fits neatly within standard panel layouts, helping you optimize electrical room real estate.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — delivers stable, repeatable protection across a variety of fault conditions, reducing nuisance trips and improving reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e — designed to be fully compatible with matching Square D loadcenters and panelboards, simplifying replacements and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — suitable for residential, commercial, and light industrial environments where robust 3-phase protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and how it helps\u003c\/h3\u003e\n\u003cp\u003eAs a 3-pole device rated at 450 A, the MHL36450 provides essential branch circuit overcurrent and short-circuit protection for three-phase systems. It acts as a reliable shield against fault currents, helping keep electrical systems safe and minimizing downtime in both new constructions and retrofit projects.\u003c\/p\u003e \u003ch3\u003eTechnical details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MHL36450\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 450A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Compatible with matching OEM loadcenters and panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor installations where space efficiency, consistent protection, and seamless compatibility with Square D panel systems matter, the Square D MHL36450 delivers dependable performance you can trust in residential, commercial, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355347439778,"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_b0cf10a5-f837-4424-a9e0-211ae8524adc.png?v=1764691450","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl36450-450a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}