{"product_id":"square-d-mja36350-circuit-breaker","title":"Square D | MJA36350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MJA36350 Circuit Breaker delivers dependable, high‑current protection for demanding 3‑phase electrical systems. With a 350A rating, 3 poles, and a 600V capacity, this bolt‑on breaker is purpose‑built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eProduct highlights that matter in the field:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e350 A rating\u003c\/strong\u003e provides robust protection for main feeders and heavy motor circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole design\u003c\/strong\u003e safeguards three‑phase loads with balanced protection across all conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V electrical rating\u003c\/strong\u003e makes it suitable for many industrial distribution applications and motor systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt‑On mounting\u003c\/strong\u003e offers a secure, vibration‑resistant installation and simplifies field replacement in compatible enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e is the part number MJA36350—verify fit and ratings against your panel before ordering to ensure a seamless swap.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include upgrading service panels and motor control centers that require higher current protection, replacing aging breakers in Square D panels, or retrofitting existing setups to accommodate larger loads without changing the entire enclosure.\u003c\/p\u003e \u003cp\u003eWhy choose this breaker over alternatives? It’s built to integrate cleanly with Square D systems, delivering reliable trip performance and consistent contact quality across heavy-duty applications. The bolt‑on design minimizes installation complexity in retrofit projects, helping technicians complete service during scheduled downtime with fewer field complications.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQuick compatibility reminder:\u003c\/strong\u003e Confirm fit and ratings before ordering. The best reference for compatibility is the exact part number MJA36350, which ensures you’re selecting a breaker that aligns with your enclosure, bus arrangement, and electrical rating.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 350A\u003c\/li\u003e \u003cli\u003ePoles: 3‑Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003eMounting: Bolt‑On\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425518309538,"sku":"MJA36350","price":19563.0,"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-mja36350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}