{"product_id":"siemens-scjd69400g-circuit-breaker","title":"Siemens | SCJD69400G | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens SCJD69400G\u003c\/strong\u003e circuit breaker is a robust, bolt-on 400A, 3-pole unit designed for 600V systems. Ideal for maintenance, retrofit, and replacement projects where exact specs matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\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\u003eEngineered for reliable performance in demanding commercial and industrial panels operating at 600V.\u003c\/li\u003e \u003cli\u003eBolt-on design provides a secure, vibration-resistant connection, reducing the risk of loose connections during maintenance or retrofit.\u003c\/li\u003e \u003cli\u003ePart of Siemens' high-current protection line, built to handle heavy-load circuits typical of large equipment rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical usage scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading service panels to support higher fault current or more demanding loads without replacing entire assemblies.\u003c\/li\u003e \u003cli\u003eReplacing worn or failing breakers in 3-phase, 600V distribution systems in manufacturing facilities or data centers.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 3-pole, 400A bolt-on breaker matches existing equipment and specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The best compatibility reference is the part number SCJD69400G.\u003c\/li\u003e \u003cli\u003eUse in panels and enclosures designed to accept Siemens bolt-on 3-pole breakers at 600V and 400A ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and safety tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDisconnect power and lockout before servicing. Verify voltage with a calibrated meter before handling the breaker.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque and wiring guidelines for bolt-on mounting to ensure a secure, code-compliant connection.\u003c\/li\u003e \u003cli\u003eKeep spare units on hand for planned maintenance to minimize panel downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Siemens SCJD69400G, you get a purpose-built solution for heavy-current protection that aligns with established electrical codes and industry best practices. When the job demands a reliable 600V, 3-pole, 400A bolt-on breaker, this unit delivers predictable performance and straightforward retrofits—so you can protect equipment, personnel, and processes with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427471085730,"sku":"SCJD69400G","price":10927.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-scjd69400g-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}