{"product_id":"siemens-hjxd63b400-400a-3p-600v-circuit-breaker","title":"Siemens HJXD63B400 400A 3P 600V Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HJXD63B400 bolt-on circuit breaker—a robust 400 A, 3‑pole protection solution designed for panelboards, load centers, and comprehensive electrical distribution. This unit is a precise direct-part-number match for Siemens systems, making it a smart choice for maintenance teams, panel builders, and spare inventories where compatibility matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HJXD63B400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e \u003cp\u003eIts bolt-on design simplifies field service, enabling technicians to replace or upgrade the breaker with minimal tools and downtime. The 3‑pole configuration supports balanced three-phase distribution, which is essential for larger panel configurations and three-phase equipment. With a 600 V rating, this breaker is suitable for a wide range of industrial and commercial electrical setups while delivering dependable overcurrent protection.\u003c\/p\u003e \u003cp\u003eWhat differentiates the HJXD63B400 is its calibrated fit for Siemens panel systems, ensuring consistent trip characteristics and protection coordination. This isn’t a generic substitute—it’s a purpose-built component that maintains the integrity of your existing electrical distribution.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal scenarios\u003c\/h3\u003e \u003cp\u003e- Routine maintenance and part replacement in panelboards and load centers where a direct-part-number match speeds service.\u003c\/p\u003e\n\u003cp\u003e- Spare inventory for electrical contractors and panel builders working with Siemens installations, ensuring reliable, on-demand replacements.\u003c\/p\u003e\n\u003cp\u003e- Expansions or upgrades of 3-phase circuits that require a 400 A, 600 V protection device.\u003c\/p\u003e \u003ch3\u003eFit confirmation and support\u003c\/h3\u003e \u003cp\u003eIf you need help confirming compatibility with a specific panel or bus arrangement, AmpState offers guidance to verify fit. Reference Part Number HJXD63B400 to secure the correct match for your Siemens installations.\u003c\/p\u003e \u003cp\u003eReady to protect your high-current circuits with trusted Siemens accuracy? Add the Siemens HJXD63B400 3P 600V Bolt-On Circuit Breaker from AmpState to your cart and keep your electrical distribution performing at its best.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410885791906,"sku":"HJXD63B400","price":6770.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hjxd63b400-400a-3p-600v-circuit-breaker-bolt-on-ampstate-710.webp?v=1788984878","url":"https:\/\/www.ampstate.com\/products\/siemens-hjxd63b400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}