{"product_id":"siemens-sj2d-400a-600v-circuit-breaker","title":"Siemens SJ2D 400A 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens SJ2D 400A, 600V Circuit Breaker\u003c\/strong\u003e is built for everyday electrical work, delivering dependable circuit protection in panelboards, load centers, and electrical distribution systems. It’s the smart choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.\u003c\/p\u003e \u003cp\u003eDesigned for straightforward field replacements and reliable performance, the SJ2D keeps critical electrical systems protected without upselling you to unnecessary options. When your operation relies on precise part-number compatibility, this Siemens breaker delivers consistency you can trust.\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 SJ2D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load centers, Electrical distribution\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy select the SJ2D for your project or service van\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect part-number match\u003c\/strong\u003e simplifies procurement and minimizes downtime by ensuring you’re stocking the exact model specified for your panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable Siemens design\u003c\/strong\u003e for steady protection across residential, commercial, and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStock-ready for AmpState customers\u003c\/strong\u003e with convenient availability when you need a precise 400 A, 600 V solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance crews performing routine panel servicing or replacements in existing installations\u003c\/li\u003e \u003cli\u003ePanel builders and integrators configuring distribution systems that require an exact SJ2D part\u003c\/li\u003e \u003cli\u003eElectrical distributors and service fleets maintaining spare inventory with standardized components\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplace a blown or failed breaker in Siemens panelboards or compatible distribution setups that specify SJ2D to restore protection quickly.\u003c\/li\u003e \u003cli\u003eKeep a ready-to-install 400 A, 600 V solution on service vehicles to reduce job site downtime and avoid delays waiting for approvals.\u003c\/li\u003e \u003cli\u003eUse in new builds or retrofits where a direct part-number match ensures compatibility with existing enclosure layouts and wiring schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410948509858,"sku":"SJ2D","price":3262.0,"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-sj2d-400a-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}