{"product_id":"siemens-j6n3r-400a-circuit-breaker","title":"Siemens J6N3R 400A Circuit Breaker, NEMA 3R | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens J6N3R is a purpose-built circuit breaker designed to provide dependable protection in panelboards, load centers, and electrical distribution systems. With a robust 400 A rating and a NEMA 3R enclosure, this device is engineered for reliability in both indoor spaces and weather-protected outdoor environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e J6N3R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating:\u003c\/strong\u003e NEMA 3R (weather-resistant for outdoor or harsh environments)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e suitable for panelboards, load centers, and electrical distribution networks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes the J6N3R stand out is its exact part-number fidelity combined with Siemens’ trusted engineering. This isn’t a generic protection device—it's a precise match for projects that demand a direct part-number fit, reducing installation risk and inventory mismatches in maintenance or panel-building workflows.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits and use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOutdoor-ready protection for outdoor cabinets, weather-exposed installations, and resilient electrical distribution layouts thanks to the NEMA 3R rating.\u003c\/li\u003e \u003cli\u003eIdeal for maintenance teams and panel builders who require a guaranteed direct part-number match to keep projects on schedule and spare inventories lean.\u003c\/li\u003e \u003cli\u003eSupports high-load distribution with 400 A capacity, helping to safeguard feeders, service entrances, and critical circuits without compromising performance.\u003c\/li\u003e \u003cli\u003eReliable sourcing from AmpState ensures consistent availability, critical for planning, stocking, and quick replacements during outages or routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in practical terms: choosing the J6N3R reduces the guesswork in procurement, accelerates commissioning, and minimizes downtime when a direct Siemens part is specified in project documentation. It’s a straightforward solution for professionals who value compatibility, durability, and clear sourcing paths.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and support\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you need help matching a part number or confirming compatibility with your panelboard, load center, or distribution configuration, message AmpState. Our team can verify fit and ensure the J6N3R is the right choice for your system.\u003c\/p\u003e \u003cp\u003eEquip your electrical distribution with a dependable Siemens circuit breaker that aligns with project specs and stock availability. The J6N3R delivers clear value through precise matching, robust protection, and ready access from AmpState—a practical, no-nonsense choice for engineers, electricians, and maintenance professionals alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411122835618,"sku":"J6N3R","price":6394.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/siemens-j6n3r-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}