{"product_id":"siemens-jxd63s400al-circuit-breaker","title":"Siemens | JXD63S400AL | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JXD63S400AL\u003c\/strong\u003e Circuit Breaker — a rugged, three-pole protection device engineered for demanding three-phase electrical systems. With a 400A rating and a 600V maximum, this breaker is built to safeguard heavy loads while integrating seamlessly into Siemens panel architectures.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\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:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e JXD63S400AL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for maintenance, retrofit, and replacement scenarios where exact spec matching matters, this breaker relies on the trusted \u003cem\u003eJXD63S400AL\u003c\/em\u003e reference for effortless compatibility. The 3-pole configuration provides synchronized protection across all phases, helping prevent unbalanced loads and protecting motors, drives, and other heavy equipment in industrial settings.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 400A, 3-pole, 600V Siemens breaker in industrial panels\u003c\/li\u003e \u003cli\u003eRetrofits where a 3-phase, 600V feeder protection is required for large motors, pumps, or HVAC equipment\u003c\/li\u003e \u003cli\u003eServicing and maintenance programs that require on-hand spare breakers with exact spec matching\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure you get the right fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm that your panel requires a 400A, 3-pole, 600V protection device and that the \u003cstrong\u003epart number\u003c\/strong\u003e matches \u003cem\u003eJXD63S400AL\u003c\/em\u003e. The part number is the most reliable reference for compatibility, helping you minimize downtime and installation risk in critical electrical environments.\u003c\/p\u003e \u003ch3\u003eWhat you’ll experience with a proper install\u003c\/h3\u003e\n\u003cp\u003eConsistent three-phase protection with straightforward, reliable mechanical operation, enabling quick replacement during maintenance windows. Keep a spare on hand to reduce downtime and maintain steady power delivery for essential equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427480424610,"sku":"JXD63S400AL","price":5416.0,"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-jxd63s400al-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}