{"product_id":"square-d-mja36600-600a-3p-600v-circuit-breaker","title":"Square D MJA36600 600A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D MJA36600—a purpose-built circuit breaker crafted for dependable protection in panelboards, load centers, and electrical distribution networks. With a direct part-number match, it’s the smart choice for teams that value exact fit and rapid deployment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\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 MJA36600\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 600 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 3-pole, 600-volt device is designed to protect heavy-duty electrical distributions, making it ideal for commercial buildings, industrial facilities, and mission-critical systems where uptime matters. The 600 A rating supports substantial load centers, helping prevent costly outages while keeping your distribution gear within safe operating limits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this unit stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e—built to the MJA36600 specification, so it drops into existing panelboards and 3-phase distributions without guesswork or modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined maintenance and stocking\u003c\/strong\u003e—a reliable part-number match means quicker repairs, easier inventory planning, and reduced downtime when a replacement is needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection\u003c\/strong\u003e—3 poles provide balanced protection across all phases in a typical 3-phase electrical system, helping safeguard equipment and personnel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust performance\u003c\/strong\u003e—designed to withstand demanding electrical configurations common in modern facilities while delivering dependable tripping characteristics when faults occur.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho should consider this breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams overseeing panelboards and load centers in manufacturing plants, data centers, and large commercial buildings\u003c\/li\u003e \u003cli\u003ePanel builders sourcing reliable, drop-in components for new installations or rebuild projects\u003c\/li\u003e \u003cli\u003eSupply chain managers stocking spare parts for critical electrical infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for deployment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm the existing system is a suitable fit for a 3-pole, 600 V circuit breaker and that the amperage rating aligns with your load requirements.\u003c\/li\u003e \u003cli\u003eKeep a ready spare on hand to minimize downtime during maintenance or fault events.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about part compatibility with your panel or distribution setup, AmpState offers assistance to confirm fit and ensure seamless replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAcross panelboards, load centers, and broader electrical distribution schemes, the Square D MJA36600 600A 3P 600V circuit breaker delivers precise fit, reliable protection, and practical value for professional electrical assemblies. Add this exact-match device to your order from AmpState and keep critical circuits safeguarded with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410910400674,"sku":"MJA36600","price":19869.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mja36600-600a-3p-600v-circuit-breaker-ampstate-breakers-368.webp?v=1788989539","url":"https:\/\/www.ampstate.com\/products\/square-d-mja36600-600a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}