{"product_id":"siemens-hqj3b125h01s01-circuit-breaker","title":"Siemens | HQJ3B125H01S01 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HQJ3B125H01S01 circuit breaker — a precise, reliable protection solution for 240V systems that demand a 125A, 3-pole bolt-on design. Built for maintenance, retrofit, and replacement projects, this unit is engineered to meet exact specifications where compatibility isn’t optional.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact spec alignment\u003c\/strong\u003e: 125A rating with a 3-pole configuration ensures robust protection for 3-phase circuits in commercial and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: A secure, durable installation method preferred for panels that require bolt-on breakers, delivering dependable electrical contact and stability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile compatibility\u003c\/strong\u003e: The HQJ3B125H01S01 part number is your best reference for matching fit and ratings in Siemens systems, simplifying retrofit and replacement workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDedicated for 240V operation\u003c\/strong\u003e: Designed to safeguard 240V circuits common in machine rooms, distribution panels, and electrical rooms without guessing on voltage suitability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement\u003c\/strong\u003e: Ideal for upgrading legacy panels, restoring performance after faults, or stocking spares for ongoing system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cp\u003eThis 125A, 3-pole, 240V bolt-on breaker is well-suited for Siemens-compatible panels in commercial spaces, industrial facilities, and equipment rooms where precise amperage, voltage, and mounting style are non-negotiable. Use it to:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplace aging or damaged breakers in Siemens bolt-on panelboards.\u003c\/li\u003e \u003cli\u003eUpgrade feeder or branch circuit protection in three-phase 240V systems.\u003c\/li\u003e \u003cli\u003ePerform retrofit projects that require exact part matching to existing field installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HQJ3B125H01S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for a smooth fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings against your panel labeling and field requirements. The HQJ3B125H01S01 is the definitive reference for compatibility, helping you avoid mismatched breakers and project delays.\u003c\/p\u003e \u003cp\u003eInvest in this Siemens circuit breaker to ensure reliable protection, straightforward installation, and peace of mind in demanding 240V, three-phase environments. If your project requires exact specs and a bolt-on mounting style, this unit is engineered to deliver dependable performance where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427070005410,"sku":"HQJ3B125H01S01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj3b125h01s01-circuit-breaker-125a-3-pole-240v-bolt-560.webp?v=1789667436","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b125h01s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}