{"product_id":"njs6340-circuit-breaker","title":"NJS6340 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the NJS6340 Circuit Breaker — a purpose-built protection device for demanding industrial power systems. With a robust 400A capacity, a 3-Pole configuration, and a 600V rating, this breaker is engineered to safeguard three-phase distribution and motor circuits in retrofit, maintenance, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhere this breaker shines: when you’re upgrading or repairing industrial electrical infrastructure that demands precise, dependable protection. It’s a reliable choice for three-phase panels, switchgear assemblies, and retrofit jobs where you need to match existing specs exactly to maintain system integrity and safety.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the NJS6340?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongexact-spec compatibility:\u003e The part number is the most reliable reference for ensuring a correct fit with your equipment, reducing the guesswork often associated with replacements.\u003c\/strongexact-spec\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted for maintenance and retrofit:\u003c\/strong\u003e Designed to slot into existing 600V, three-phase circuits without requiring major panel modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, auditable replacement path:\u003c\/strong\u003e Using the same specifications (400A, 3-Pole, 600V) helps maintain protective coordination and uptime in critical operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis product is ideal for facilities that rely on stable, safe three-phase power in industrial environments—manufacturing lines, processing plants, and utility-adjacent equipment where downtime is costly. If your service or equipment list calls for a 600V, three-pole protection device with a 400A rating, the NJS6340 is designed to align with those exact requirements.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical selection tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cem\u003econfirm fit and ratings before ordering\u003c\/em\u003e to ensure compatibility with your existing panel, switchgear, or MCC footprint.\u003c\/li\u003e \u003cli\u003eUse the part number \u003cstrong\u003eNJS6340\u003c\/strong\u003e as the primary reference when verifying compatibility with your equipment manuals or supplier catalog.\u003c\/li\u003e \u003cli\u003eCross-check your system’s three-phase configuration and ensure the breaker’s 600V rating matches your distribution network to maintain proper protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the NJS6340 for a precise, reliable replacement that respects your system’s protection scheme and minimizes installation ambiguity. It’s the practical, specification-driven choice for professionals who value exact compatibility and dependable performance in industrial power protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426255392930,"sku":"NJS6340","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\/njs6340-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}