{"product_id":"siemens-hqj3b100h-circuit-breaker","title":"Siemens | HQJ3B100H | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HQJ3B100H circuit breaker—a dependable 100A, 3-pole, 240V bolt-on solution designed to protect three-phase electrical systems with precision. Engineered for maintenance, retrofit, and replacement projects, this breaker ensures your panel continues to operate within its intended ratings while delivering robust protection across all phases.\u003c\/p\u003e \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e HQJ3B100H\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho Should Use This Breaker\u003c\/h3\u003e\n\u003cp\u003eIdeal for electricians, facilities maintenance teams, and panel builders who work with Siemens-compatible enclosures. If you’re upgrading or replacing a worn or outdated breaker in a three-phase, 240V system, the HQJ3B100H provides a precise spec match that preserves panel integrity and electrical safety.\u003c\/p\u003e \u003ch3\u003eWhy This Breaker Stands Out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eExact spec alignment:\u003c\/b\u003e 100A, 3-pole, 240V configuration ensures seamless replacement without modifying panel hardware or wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBolt-On mounting:\u003c\/b\u003e Facilitates quicker installation and serviceability, reducing downtime during maintenance or retrofits.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCompatibility clarity:\u003c\/b\u003e The part number HQJ3B100H is the best reference for ensuring you’re getting the correct breaker for your Siemens bolt-on, 3-pole, 240V application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical Use Cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Swap in a like-for-like 100A 3-pole 240V breaker in existing Siemens panels during routine service.\u003c\/li\u003e \u003cli\u003eRetrofit: Increase protection on a growing load by replacing aging components with a 100A, three-phase breaker that fits your current panel design.\u003c\/li\u003e \u003cli\u003eNew installations (within compatible enclosures): Deploy in compatible Siemens bolt-on panels to ensure reliable, trip-rated protection across all three phases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering—verify that your panel accepts a bolt-on HQJ3B100H and supports 240V three-phase service.\u003c\/li\u003e \u003cli\u003eBefore replacement, de-energize the system and follow lockout\/tagout procedures to protect personnel and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e For compatibility checks, reference the exact part number HQJ3B100H to ensure a correct match with your Siemens bolt-on, 3-pole 240V configuration.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427070791842,"sku":"HQJ3B100H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b100h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}