{"product_id":"siemens-sjd6b400lsig-circuit-breaker","title":"Siemens | SJD6B400LSIG | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens SJD6B400LSIG circuit breaker—an essential protective device designed for demanding electrical distributions. With an \u003cstrong\u003eam-perage rating of 400A\u003c\/strong\u003e, a \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration, and a maximum system voltage of \u003cstrong\u003e600V\u003c\/strong\u003e, this unit is built to handle high-load environments while delivering dependable fault protection.\u003c\/p\u003e \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\u003c\/strong\u003e: 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens model stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect-fit option when your installation requires the \u003cstrong\u003eSJD6B400LSIG\u003c\/strong\u003e part number, ensuring reliable compatibility with matching panels and distribution gear.\u003c\/li\u003e \u003cli\u003eIdeal for \u003cstrong\u003emaintenance, retrofit, and replacement\u003c\/strong\u003e projects where precise specifications are non-negotiable for safety and performance.\u003c\/li\u003e \u003cli\u003eCompatibility is most accurately determined by the part number—keep this reference handy to verify fit with your panel labeling and ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRenew protection in aging facilities through a known-good Siemens device that minimizes downtime during retrofits.\u003c\/li\u003e \u003cli\u003eUpgrade a distribution panel to support higher load demands with a \u003cstrong\u003e400A\u003c\/strong\u003e breaker that aligns with existing equipment.\u003c\/li\u003e \u003cli\u003eMaintain ready stock for industrial environments where rapid replacement is critical to keeping production lines running smoothly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm that your system requires \u003cstrong\u003e400A, 3-Pole, 600V\u003c\/strong\u003e and that \u003cstrong\u003eSJD6B400LSIG\u003c\/strong\u003e is the correct compatibility reference for your setup.\u003c\/li\u003e \u003cli\u003eAdhere to your panel’s documentation and electrical codes to ensure proper protection settings and safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor projects needing a proven Siemens protection solution, the SJD6B400LSIG delivers the exact specifications required for reliable circuit protection in high-demand electrical systems. If your application calls for a 400A, 3-Pole, 600V breaker with Siemens-grade reliability, this unit is the precise match you’re seeking.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426334953634,"sku":"SJD6B400LSIG","price":69398.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-sjd6b400lsig-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}