{"product_id":"square-d-ma36450-circuit-breaker","title":"Square D | MA36450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D MA36450 Circuit Breaker\u003c\/strong\u003e is a rugged, high-capacity protection device built for demanding three‑phase power systems. Rated at 450A and designed for 600V service, this 3‑pole breaker delivers reliable overcurrent protection where reliability and exact specifications matter in maintenance, retrofit, or replacement projects.\u003c\/p\u003e \u003ch3\u003eKey advantages that differentiate the MA36450\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current capacity\u003c\/strong\u003e at 450A to handle demanding load profiles without nuisance tripping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e provides balanced protection for all three phases, simplifying wiring and protecting three-phase equipment in unison.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V compatibility\u003c\/strong\u003e suitable for industrial distribution panels and commercial electrical systems operating up to 600 volts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e the part number MA36450 is the most reliable guide for matching footprint, mounting, and trip characteristics in your enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace worn or aging breakers to restore original performance in existing panels.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or reconfigure three-phase circuits while preserving correct protection and coordination.\u003c\/li\u003e \u003cli\u003eReplacement: when an exact MA36450 specification is required to maintain panel compatibility and electrical safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility \u0026amp; ordering guidance\u003c\/h3\u003e\n\u003cp\u003eBefore placing an order, confirm fit and ratings on the panel label. The MA36450 part number is the most dependable reference for ensuring compatibility with your Square D enclosure and distribution setup. If you’re replacing an existing MA36450, this exact model will preserve the intended trip characteristics and mounting footprint.\u003c\/p\u003e \u003ch3\u003ePractical installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways de-energize the system and follow proper lockout\/tagout procedures before removing or installing the breaker.\u003c\/li\u003e \u003cli\u003eVerify mounting alignment and panel interior clearance to ensure smooth operation and reliable tripping.\u003c\/li\u003e \u003cli\u003eInspect accompanying accessories and mounting hardware to maintain correct alignment and protection performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 450A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425645023394,"sku":"MA36450","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-ma36450-circuit-breaker-450a-3-pole-600v-790.webp?v=1789436521","url":"https:\/\/www.ampstate.com\/products\/square-d-ma36450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}