{"product_id":"square-d-mjm36500-circuit-breaker","title":"Square D | MJM36500 | Circuit Breaker | 500A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D MJM36500 Circuit Breaker is built for demanding electrical environments where reliable protection and precise control matter. With a 500A rating, a 3-pole configuration, and a 600V maximum operating voltage, this breaker is designed to safeguard heavy feeders and major motor circuits in commercial and industrial settings.\u003c\/p\u003e \u003cp\u003eThis unit is ideal for maintenance, retrofit, and replacement projects, offering a straightforward path to restoring safe, code-compliant service in Square D panel boards. Before ordering, verify fit and ratings on your panel label—the MJM36500 part number is the most dependable reference for compatibility with your Square D equipment.\u003c\/p\u003e \u003ch2\u003eKey benefits and what makes it unique\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection:\u003c\/strong\u003e 500A capacity protects feeders and large motors from overloads and electrical faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Delivers balanced, 3-phase protection essential for multi-motor and load-heavy applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating:\u003c\/strong\u003e Suitable for mid- to high-voltage distribution in commercial, industrial, and service environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-ready:\u003c\/strong\u003e A practical choice when upgrading or replacing aging breakers in existing Square D installations, helping minimize downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility with Square D panels:\u003c\/strong\u003e Designed to align with Square D protection schemes and installation practices, reducing guesswork during replacement projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the MJM36500 to protect main feeders, large-capacity circuits, and motor-driven equipment in warehouses, manufacturing floors, data centers, and large office complexes. It’s especially valuable in systems where a single, reliable 3-pole protection solution at 500A is required within a 600V distribution network.\u003c\/p\u003e \u003ch3\u003eHow to ensure a perfect match\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eConfirm that your panel accepts MJ-series breakers and that your system requires a 3-pole, 500A, 600V device.\u003c\/li\u003e \u003cli\u003eCross-check the panel labeling and the MJM36500 part number to guarantee compatibility and correct mounting type.\u003c\/li\u003e \u003cli\u003eIf replacing an older or non-matching unit, consult a licensed electrician to verify electrical clearances, bus connection, and service compatibility.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eNote: Always confirm fit and ratings before ordering. The MJM36500 part number is the most reliable reference for ensuring compatibility with your Square D panels and protective equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426337280162,"sku":"MJM36500","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-mjm36500-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}