{"product_id":"square-d-mhl3645031dc-circuit-breaker","title":"Square D | MHL3645031DC | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D MHL3645031DC circuit breaker — a genuine OEM solution designed to protect and power demanding 3‑phase systems. With a 450A rating, 3 poles, and a 600V maximum, this unit is built for reliability in industrial and commercial electrical distributions where downtime isn’t an option.\u003c\/p\u003e \u003cp\u003eThis breaker is ideal for maintenance, retrofit, and replacement projects where exact specifications matter. The part number MHL3645031DC is your best reference for compatibility, ensuring a precise fit in compatible Square D panels and switchgear.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 450A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MHL3645031DC\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this model stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eGenuine Square D (OEM) part designed for long-term compatibility with Square D panels and distribution gear, reducing the guesswork during replacements.\u003c\/li\u003e \u003cli\u003e3‑pole construction tailored for three‑phase systems, providing balanced protection across all phases in commercial or industrial installations.\u003c\/li\u003e \u003cli\u003e600V rating makes it suitable for higher‑voltage feeder protection, helping keep critical equipment safe in demanding environments.\u003c\/li\u003e \u003cli\u003eExplicit fit assurance when you reference the exact part number, minimizing the risk of mismatches during maintenance or retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for whom and where\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities managers and electricians maintaining large 3‑phase distribution panels in manufacturing, data centers, or processing facilities.\u003c\/li\u003e \u003cli\u003eTechnicians performing retrofits or equipment upgrades that require an exact, compatible Square D replacement.\u003c\/li\u003e \u003cli\u003eMaintenance teams replacing aging or failed breakers in legacy Square D installations to restore reliable protection quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify fit and ordering confidently\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm the panel or switchgear specification matches the MHL3645031DC part number. The part number is the most reliable reference for compatibility, ensuring the breaker will physically fit and operate with the intended equipment and ratings.\u003c\/p\u003e \u003cp\u003eBy choosing this Square D model, you’re selecting a purpose-built protector for 450A, 3‑pole, 600V systems — a precise match for projects where exact specifications matter and downtime is costly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426402947234,"sku":"MHL3645031DC","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mhl3645031dc-circuit-breaker-450a-3-pole-600v-621.webp?v=1789570710","url":"https:\/\/www.ampstate.com\/products\/square-d-mhl3645031dc-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}