{"product_id":"square-d-mjp36350-circuit-breaker","title":"Square D | MJP36350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D MJP36350 circuit breaker — a rugged, field-ready protection device engineered for demanding 3‑phase installations. This 350A, 3‑pole breaker is built to reliably protect large feeders and distribution circuits in industrial and commercial environments, with a 600V rating that suits a wide range of equipment and networks.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Reference:\u003c\/strong\u003e MJP36350 — use this part number as the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Square D breaker? It’s designed for maintenance, retrofit, and replacement projects where exact specifications matter. If your system calls for a 350A, 3‑pole device in a 600V class, this bolt‑on model delivers a dependable, straightforward upgrade path that fits many existing panels with matching ratings.\u003c\/p\u003e \u003cp\u003eIdeal use cases include upgrading large feeder circuits, refreshing aging protection in industrial equipment arrays, or replacing a failed device with identical specs to minimize downtime. Before ordering, confirm fit and ratings to ensure seamless compatibility with your panelboard or distribution setup — the MJP36350 designation is your best reference for that alignment.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and planning:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatch the breaker’s amperage, voltage, and pole configuration to your existing panel requirements to maintain proper overload protection.\u003c\/li\u003e \u003cli\u003eConsult your electrical drawings and the panel’s documentation to verify bolt‑on mounting compatibility and torque guidance from the manufacturer.\u003c\/li\u003e \u003cli\u003eHandle with the system de‑energized and follow all safety and NEC guidelines during replacement or retrofit work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427509162146,"sku":"MJP36350","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-mjp36350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}