{"product_id":"siemens-hqj3b100ha01-circuit-breaker","title":"Siemens | HQJ3B100HA01 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HQJ3B100HA01 Circuit Breaker is a 100-amp, 3-pole device designed for 240-volt, three-phase systems. Built for maintenance, retrofit, and replacement work, this bolt-on breaker delivers dependable protection in compatible Siemens panels while keeping installation straightforward and secure.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this breaker a smart choice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 100 A — suited for protecting medium- to high-load circuits common in commercial and industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole — ideal for three-phase feeders and equipment such as motors, compressors, and HVAC systems.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 240V — designed for standard three-phase distribution in many commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Bolt-On — provides a sturdy, vibration-resistant connection in compatible enclosures, simplifying replacement and retrofit work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and correct fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePart number HQJ3B100HA01 is the best reference for compatibility. Always confirm fit and ratings against your panel specifications before ordering.\u003c\/li\u003e \u003cli\u003eSpecifically intended for Siemens panels that accept HQJ-style bolt-on breakers, making it a reliable replacement option when updating or expanding 3-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit or expand existing 3-phase electrical enclosures in office buildings, data centers, equipment rooms, and manufacturing spaces.\u003c\/li\u003e \u003cli\u003eProtection for large motors, compressors, conveyors, and other 3-phase loads that operate on 240V.\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore reliable overcurrent protection without changing the panel architecture.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy it matters in real-world terms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReliable overcurrent protection tailored to 240V three-phase systems helps prevent equipment damage and reduces the risk of costly downtime.\u003c\/li\u003e \u003cli\u003eThe bolt-on design provides a robust mechanical connection that stands up to vibrations and frequent maintenance access typical in commercial environments.\u003c\/li\u003e \u003cli\u003eUsing the exact part reference HQJ3B100HA01 minimizes guesswork during replacements, streamlining procurement and installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTips for installers and maintainers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility by cross-referencing the panel model and bus type with the HQJ series before ordering.\u003c\/li\u003e \u003cli\u003eDuring installation, follow torque specifications for the mounting bolts and ensure secure electrical connections to maintain dependable protection.\u003c\/li\u003e \u003cli\u003eKeep a spare HQJ3B100HA01 on hand for planned replacements or future retrofits to minimize panel downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427070562466,"sku":"HQJ3B100HA01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj3b100ha01-circuit-breaker-100a-3-pole-240v-bolt-267.webp?v=1789667570","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b100ha01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}