{"product_id":"siemens-hf3b100-circuit-breaker","title":"Siemens | HF3B100 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HF3B100\u003c\/strong\u003e 3-Pole Circuit Breaker — a dependable, purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter. This 3-Pole unit is designed to protect and coordinate three-phase electrical systems, helping keep equipment and personnel safe while minimizing downtime.\u003c\/p\u003e \u003cp\u003eWhy choose the HF3B100 for your project?\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports standard three-phase protection, ensuring all three phases trip together for safe, coordinated shutdown during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number HF3B100\u003c\/strong\u003e serves as the definitive reference for compatibility, giving you confidence that the form factor, mounting, and electrical interface align with your Siemens-compatible panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e — ideal for updating aging panels, adding newer protection, or carrying a ready-to-go spare for quick service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility-focused approach\u003c\/strong\u003e — verify fit and ratings before ordering, using the HF3B100 as your primary reference to ensure seamless integration into your existing system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this 3-Pole breaker fits into your system\u003c\/h3\u003e \u003cp\u003eIn three-phase installations, this Siemens breaker delivers reliable protection across all conductors, coordinating with upstream devices to interrupt power safely when faults occur. Its design supports standard panel layouts that require 3-pole protection, making it a straightforward upgrade or replacement in compatible Siemens environments.\u003c\/p\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFacilities teams performing routine maintenance on Siemens panel fleets\u003c\/li\u003e \u003cli\u003eRetrofit projects updating legacy systems to Siemens-compatible protection\u003c\/li\u003e \u003cli\u003eReplacement planning to minimize downtime with exact, in-spec components\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for ordering and installation\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e for your specific panel and application. The HF3B100 is your best compatibility reference.\u003c\/li\u003e \u003cli\u003eEnsure your distribution panel supports 3-pole breakers and that the physical mounting and bus interface match your setup.\u003c\/li\u003e \u003cli\u003eFor installers, follow standard electrical safety practices and consult your panel’s documentation to verify trip characteristics and conductor sizing requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424382963874,"sku":"HF3B100","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hf3b100-circuit-breaker-3-pole-982.webp?v=1789348361","url":"https:\/\/www.ampstate.com\/products\/siemens-hf3b100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}