{"product_id":"square-d-mal36450-450a-3-pole-circuit-breaker","title":"Square D MAL36450 - 450 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cstrong\u003eSquare D MAL36450 - 450A, 3-Pole Molded-Case Circuit Breaker\u003c\/strong\u003e is built to deliver dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. Its compact molded-case design frees up valuable panel space without compromising protection, making it a practical choice for modern electrical installations in homes, offices, and light industrial settings. \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space, helping you fit more circuits neatly and safely.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overloads and instantaneous response to short circuits, reducing the risk of damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e supports three-phase systems, ideal for commercial equipment, HVAC, and load feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e450A rating\u003c\/strong\u003e suitable for high-current branch circuits and main feeders in compatible panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to integrate with matching Square D loadcenters and panelboards for a seamless, reliable install.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial uses—protecting wiring and equipment across a range of environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits and use cases\u003c\/h3\u003e\n\u003cp\u003eWhether you’re upgrading an aging panel, provisioning a new commercial space, or stocking spare parts for service crews, MAL36450 delivers predictable protection you can trust. Its space-efficient footprint helps you optimize panel layouts, while the thermal-magnetic trip unit ensures protective action under both steady overload conditions and sudden fault events. Use it to guard large feeders and critical circuits in three-phase systems, or as a robust replacement where a Square D panel requires a 450A, 3-pole solution.\u003c\/p\u003e \u003ch3\u003eSpecifications 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 MAL36450\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 450 A\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\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential, commercial, and light industrial panelboards\/loadcenters requiring reliable 450A protection\u003c\/li\u003e \u003cli\u003eThree-phase feeders and large branch circuits in compatible Square D systems\u003c\/li\u003e \u003cli\u003eUpgrades and replacements where space efficiency and OEM compatibility matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor dependable protection that fits neatly into your panel and delivers consistent performance, the Square D MAL36450 450A 3-Pole Molded-Case Circuit Breaker is a smart, long-term choice. Install it with confidence in compatible panels and rely on its proven thermal-magnetic protection to safeguard electrical systems and downstream equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355330826402,"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_b2e312ad-c762-4960-952d-bbb6d7318de0.png?v=1764691406","url":"https:\/\/www.ampstate.com\/products\/square-d-mal36450-450a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}