{"product_id":"siemens-sjd6a400lsi-400a-3p-600v-circuit-breaker","title":"Siemens SJD6A400LSI 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003eSiemens SJD6A400LSI 400A 3P 600V Circuit Breaker is purpose-built to shield panelboards, load centers, and electrical distribution systems from unexpected faults. When retrofit schedules or routine maintenance hinge on a consistent part number, this Siemens unit delivers the reliability you expect and the compatibility you need to keep systems running smoothly. \u003ca href=\"javascript:void(0)\"\u003e\u003c\/a\u003eWhy this breaker stands out\n- Precision for Siemens SST and distribution setups: The SJD6A400LSI is designed to slot into Siemens panelboards and distribution configurations with minimal fuss, helping you preserve stock integrity and reduce misfits during upgrades.\n- Clear, high-current protection in a compact three-pole package: With 400 A capacity across 3 poles at 600V, this breaker covers three-phase distribution needs in commercial and industrial environments without sacrificing space in your load centers.\n- Retrofit-friendly and maintenance-ready: If your project demands a consistent part number for lifecycle planning, this unit keeps your engineering and service records aligned, simplifying future replacements and ordering. Who benefits from the Siemens SJD6A400LSI\n- Maintenance teams and service contractors who prioritize compatibility and predictable spares for Siemens systems.\n- Facility managers planning panelboard retrofits or upgrades where preserving the same part number reduces downtime and inventory complexity.\n- Electrical distributors and installers who need a reliable 3P, 600V solution that fits standard Siemens distribution gear. Key specifications at a glance\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e SJD6A400LSI\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAvailability:\u003c\/b\u003e AmpState\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. The Siemens SJD6A400LSI is your dependable choice for protecting critical electrical distribution with a focus on practical retrofit execution and straightforward maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413692567714,"sku":"SJD6A400LSI","price":17974.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-sjd6a400lsi-400a-3p-600v-circuit-breaker-ampstate-breakers-570.webp?v=1789082269","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd6a400lsi-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}