{"product_id":"siemens-hjx3g400","title":"Siemens HJX3G400 400A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HJX3G400 — a purpose-built circuit breaker engineered for demanding 3-phase power environments. With a robust 400 A current rating and a 3-pole configuration, this device is built to protect large feeders and motor circuits in industrial settings while fitting seamlessly into Siemens-based electrical systems. Part number HJX3G400 ensures precise identification for fast replacements and service.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400 A — designed to handle substantial load demands without unnecessary interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 — optimized for three-phase distribution common in industrial facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V — suitable for a wide range of commercial and industrial power networks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel identity:\u003c\/strong\u003e HJX3G400 — clear, exact compatibility within Siemens’ ecosystem for easy stocking and field service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand reliability:\u003c\/strong\u003e Siemens engineering and build quality provide dependable protection and consistent performance in challenging environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis circuit breaker excels in protecting critical equipment and power distribution in factories, manufacturing lines, HVAC and large commercial installations. Use cases include safeguarding large motors, feeders, and control circuits where a 3-phase, 600 V protection device is warranted. Its Siemens provenance helps ensure compatibility with existing panels, breakers, and switchgear, reducing the complexity of upgrades or replacements.\u003c\/p\u003e \u003cp\u003eWhy choose the HJX3G400 for your electrical system?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eClear, reliable overcurrent and short-circuit protection for demanding loads, helping to minimize downstream damage and downtime.\u003c\/li\u003e \u003cli\u003eExact model identification (HJX3G400) supports faster procurement, maintenance planning, and service accuracy.\u003c\/li\u003e \u003cli\u003eIntegration-friendly within Siemens-distribution architectures, aiding in cohesive system performance and simplified spare-part logistics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and maintenance\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore replacement or installation, confirm panel and enclosure compatibility to ensure an appropriate fit and safe operation.\u003c\/li\u003e \u003cli\u003eKeep spare units in a clean, dry environment and document the line-side and load-side connections to streamline future service.\u003c\/li\u003e \u003cli\u003eIncorporate routine inspection of connections and verification of trip functionality as part of your facility’s electrical safety program.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSpecifications at a glance\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCurrent rating: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003ePart number: HJX3G400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423030136994,"sku":"HJX3G400","price":61262.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-hjx3g400","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}