{"product_id":"siemens-sj1d-400a-3p-600v-circuit-breaker","title":"Siemens SJ1D 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SJ1D 400A 3P 600V circuit breaker—the dependable, three‑pole protection your electrical distribution system relies on. Built for everyday use in panelboards, load centers, and distribution panels, this unit delivers reliable overcurrent protection where it counts most, helping you maintain safe, uninterrupted power delivery in demanding environments.\u003c\/p\u003e \u003cp\u003eWhy choose the SJ1D in your projects or spares kit?\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact Siemens build, exact specs:\u003c\/strong\u003e SJ1D, 400 A, 3 poles, 600 V—designed to match original equipment ratings and performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted applications:\u003c\/strong\u003e Ideal for panelboards, distribution boards, and electrical distribution setups where consistent trip characteristics and dependable protection are critical.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement and BOM alignment:\u003c\/strong\u003e A smart choice for replacement projects and stocking spares that keep your bill of materials aligned to the original part number, minimizing fit and compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy availability:\u003c\/strong\u003e This part is available from AmpState, simplifying procurement for maintenance, retrofits, and new installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupport when you need it:\u003c\/strong\u003e If you’re unsure about compatibility or part matching, our team can help confirm fit and offer guidance to ensure a correct, safe installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases to consider:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofits where an OEM part must be preserved to maintain warranty or performance benchmarks.\u003c\/li\u003e \u003cli\u003eSpare stock for critical facilities to reduce downtime during maintenance windows or unexpected outages.\u003c\/li\u003e \u003cli\u003eRepairs or expansions in industrial facilities where 600V three‑phase protection is a standard requirement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned with reliability in mind, the SJ1D 400A 3P 600V circuit breaker provides precise trip functionality, predictable performance, and a straightforward replacement experience. Add this Siemens unit to your electrical toolkit and keep your distribution system protected and compliant. If you need help confirming fit or compatibility, just reach out—we’ll help verify the correct part for your panelboard or load center setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410948575394,"sku":"SJ1D","price":2772.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-sj1d-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}