{"product_id":"used-siemens-jxd63b400-3-pole-400-amps-600-volts-circuit-breaker","title":"Used Siemens JXD63B400 3 Pole, 400 Amps, 600 Volts Circuit Breaker","description":"Heavy-duty industrial circuit breaker designed for demanding electrical applications. This used Siemens JXD63B400 unit features a 3-pole configuration rated for 400 amps at 600 volts, making it ideal for large commercial and industrial systems requiring reliable overcurrent protection.\n\nBuilt to Siemens' exacting standards, this breaker delivers consistent performance in high-capacity power distribution environments. The robust construction ensures dependable operation across demanding installations where fault protection and load management are critical.\n\nPerfect for facilities upgrading or maintaining existing electrical infrastructure. Sourced from quality inventory and ready for immediate deployment in compatible panel systems.","brand":"Breakers \u0026 More Electrical Supplies LLC","offers":[{"title":"Default Title","offer_id":43667305758779,"sku":"JXD63B400","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0602\/0254\/9307\/files\/3F7B48B7-7482-4C07-BF46-C4F33B3C8465.jpg?v=1781798039","url":"https:\/\/breakersandmore.com\/products\/used-siemens-jxd63b400-3-pole-400-amps-600-volts-circuit-breaker","provider":"Breakers \u0026 More Electrical Supplies LLC","version":"1.0","type":"link"}