{"product_id":"square-d-nx361000-circuit-breaker","title":"Square D | NX361000 | Circuit Breaker | 1000A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D NX361000 Circuit Breaker is a high-capacity protection device engineered for demanding electrical systems. With a 1000A rating in a 3-pole configuration and a 600V rating, this breaker provides reliable fault protection for three-phase panels and setups that require durable, OEM-grade performance.\u003c\/p\u003e \u003cp\u003eWhy buyers choose NX361000\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: The NX361000 part number is the best reference for matching this breaker to your Square D panel or enclosure. Always confirm fit and ratings before ordering to avoid mismatches.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty capacity\u003c\/strong\u003e: 1000A uninterrupted protection for power feeders and main distribution circuits in industrial, commercial, or data-center environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Perfect for 3-phase systems, ensuring coordinated trip and reliable shutdown across all three lines when fault conditions occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWide voltage range\u003c\/strong\u003e: Rated for up to 600V, suitable for typical industrial and commercial electrical infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eRecommended use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replacement for worn or failed NX361000 units in existing Square D installations, matching the exact spec to minimize downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: Updating legacy panels that require a 3-pole, 600V, 1000A protective device to maintain safety margins and code compliance.\u003c\/li\u003e \u003cli\u003eReplacement: Quick swap when an in-service breaker reaches end-of-life; keep the same amperage, pole count, and voltage rating to preserve circuit protection characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify fit and maximize performance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCheck your panel's labeling and service requirements to confirm it supports 1000A breakers and 600V operation.\u003c\/li\u003e \u003cli\u003eCross-reference the equipment list or panel catalog with the NX361000 part number for a seamless installation.\u003c\/li\u003e \u003cli\u003eConsult a qualified electrician if you’re unsure about whether a precise fit is available for your switchgear or distribution board.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for durability in service conditions where reliable circuit protection is non-negotiable, the NX361000 is a practical, OEM-grade choice for professionals maintaining or upgrading Square D installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424750391458,"sku":"NX361000","price":310.0,"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-nx361000-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}