{"product_id":"siemens-sjd69400nth-circuit-breaker","title":"Siemens | SJD69400NTH | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen reliability matters for three-phase power distribution, the Siemens SJD69400NTH Circuit Breaker delivers enduring protection. This 400A, 3-pole unit is engineered for demanding commercial and industrial panels, guarding circuits against overloads and short circuits with Siemens’ renowned precision and quality. It’s the OEM reference you need for maintenance, retrofit, or replacement projects that require exact specifications.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 400A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole (three-phase)\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: SJD69400NTH\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Siemens breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOEM compatibility: Designed to align perfectly with Siemens panels, reducing fit issues and ensuring consistent performance.\u003c\/li\u003e \u003cli\u003eExact spec match: The SJD69400NTH is the precise reference for applications demanding a 400A, 3-pole, 600V protection device.\u003c\/li\u003e \u003cli\u003eDurable construction for industrial environments: Built to withstand the rigors of ongoing operation in maintenance, retrofit, and replacement scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace worn or failed breakers with an authentic Siemens part to restore full protection quickly.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade existing systems to a reliable 400A, three-phase protection solution without compromising compatibility.\u003c\/li\u003e \u003cli\u003eReplacement: Match the exact specifications of an existing circuit to maintain safety margins and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility notes and installation tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your panel or distribution equipment. The part number SJD69400NTH is the best reference for compatibility, helping you avoid mismatches that could affect operation. When installing, follow all manufacturer guidelines for wiring, enclosure clearance, and torque to ensure secure connections and proper tripping behavior in fault conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho this is for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFacilities managers, electrical contractors, and industrial operators who require a dependable, exact-match breaker for 400A, 3-pole, 600V circuits will find this Siemens part an ideal choice. It’s particularly well-suited for upgrade projects, panel replacements, and maintenance programs where consistent performance and precise specifications matter.\u003c\/p\u003e \u003cp\u003eChoose the Siemens SJD69400NTH circuit breaker for confident protection of your critical three-phase loads, with the assurance that you’re using an authentic, exact-specification component designed to integrate smoothly with compatible Siemens electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427467514018,"sku":"SJD69400NTH","price":15362.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-sjd69400nth-circuit-breaker-400a-3-pole-600v-821.webp?v=1789726842","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd69400nth-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}