{"product_id":"siemens-hhjd63f400-400a-3p-circuit-breaker","title":"Siemens HHJD63F400 400A 3P Circuit Breaker, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HHJD63F400 — a rugged 400A, 3-pole bolt-on circuit breaker designed to protect panelboards, load centers, and electrical distribution networks with dependable precision. Built for reliability in demanding commercial and industrial environments, this unit is a smart choice for both active installations and strategic spares.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HHJD63F400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\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\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\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for straightforward, secure installation, the bolt-on mounting of the HHJD63F400 delivers robust mechanical connection and dependable performance in environments where service interruptions must be minimized. Keeping the original BOM aligned is a practical advantage for maintenance teams and distributors who stock spares, ensuring the part you order matches the original equipment specification exactly.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement projects where a 400 A, 3-pole bolt-on breaker is required to restore protective coordination in legacy panelboards.\u003c\/li\u003e \u003cli\u003eSpare parts inventory to maintain BOM accuracy and reduce downtime during service calls.\u003c\/li\u003e \u003cli\u003eNew installations in applications that rely on Siemens bolt-on protection in commercial electrical distribution networks.\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades where a solid, install-ready 3P, 400 A breaker is needed to sustain safe, continuous power delivery.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and compatibility\u003c\/h3\u003e\n\u003cp\u003eBefore installation, confirm that your panel accepts bolt-on, 3-pole breakers and that the HHJD63F400 aligns with the original equipment listing. If you’re unsure about fit, AmpState offers support to verify compatibility and ensure a smooth replacement process.\u003c\/p\u003e \u003cp\u003eWith the Siemens HHJD63F400, you gain a proven solution for high-current protection that blends trusted performance with practical stock-ability. Ready to deploy in appropriate panel systems, it’s a strategic part for maintaining electrical safety and reliability. If you need help confirming fit or ordering the right part, reach out to AmpState for guidance and fast, accurate assistance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410988945570,"sku":"HHJD63F400","price":7289.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hhjd63f400-400a-3p-circuit-breaker-bolt-on-ampstate-breakers-945.webp?v=1789000974","url":"https:\/\/www.ampstate.com\/products\/siemens-hhjd63f400-400a-3p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}