{"product_id":"siemens-hqj23b125hl-circuit-breaker","title":"Siemens | HQJ23B125HL | Circuit Breaker | 125A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HQJ23B125HL Circuit Breaker — a purpose-built 125A, 3-Pole protection device engineered for 240V electrical distributions. This OEM breaker is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, delivering reliable performance in compatible Siemens panels and assemblies.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\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\u003ePart reference:\u003c\/strong\u003e HQJ23B125HL\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens HQJ23B125HL stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eOEM integrity:\u003c\/strong\u003e Designed to align with Siemens’ HQJ series, ensuring compatible trip characteristics and mechanical fit within standard 3-phase 240V distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise amperage rating:\u003c\/strong\u003e 125A enables protection for mid-to-large load circuits without nuisance tripping in typical commercial and light-industrial setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e The 3-Pole configuration safeguards all three conductors, maintaining balanced protection across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability for replacements:\u003c\/strong\u003e When a service interruption or panel retrofit occurs, this part number is your strongest reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacement in Siemens panels where a 125A, 3-Pole, 240V breaker is required\u003c\/li\u003e \u003cli\u003eRetrofit projects updating older distribution gear to current Siemens specifications\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original protection in commercial or light-industrial electrical layouts\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and fit guidance\u003c\/h2\u003e\n\u003cp\u003eConfirm fit and ratings before ordering. The part number HQJ23B125HL is the best reference for compatibility with your panel or distribution board. Use this breaker in systems that demand a 125A, 3-Pole, 240V protection device and ensure it matches your panel’s model lineage and rating requirements.\u003c\/p\u003e \u003ch2\u003eInstallation and practical insights\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePower down the panel and verify de-energization before handling any breakers.\u003c\/li\u003e \u003cli\u003eInspect the mounting accessories and bus bar interface to confirm a secure, code-compliant install.\u003c\/li\u003e \u003cli\u003eFollow the panel manufacturer’s instructions for seating and torque specifications to maintain proper electrical contact.\u003c\/li\u003e \u003cli\u003eAfter installation, perform functional testing to verify proper tripping behavior within the panel’s protection scheme.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427072004258,"sku":"HQJ23B125HL","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj23b125hl-circuit-breaker-125a-3-pole-240v-409.webp?v=1789667910","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj23b125hl-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}