{"product_id":"siemens-hqj3b125h00s07-circuit-breaker","title":"Siemens | HQJ3B125H00S07 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your electrical system with precision using the Siemens HQJ3B125H00S07 125A 3-Pole 240V Bolt-On Circuit Breaker. Engineered for dependable overcurrent protection, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens circuit breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned to deliver consistent performance in demanding environments, the HQJ3B125H00S07 combines robust Siemens engineering with a bolt-on design for quick, secure installation. It’s a reliable choice when you need to upgrade or upgrade-and-replace in service panels, industrial control panels, or distribution boards that require a 125-amp, 3-pole device operating at 240V.\u003c\/p\u003e \u003ch3\u003eKey specifications 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 reference:\u003c\/strong\u003e HQJ3B125H00S07\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFitment and installation guidance\u003c\/h3\u003e\n\u003cp\u003eThe HQJ3B125H00S07 is designed for bolt-on mounting, offering a secure, durable connection ideal for panels that require a 3-pole, 125-amp unit at 240 volts. Before ordering, confirm the fit and ratings match your existing equipment—the part number HQJ3B125H00S07 is the most reliable compatibility reference. This approach helps ensure seamless replacement without panel modification.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacement in Siemens-compatible service panels and switchgear\u003c\/li\u003e \u003cli\u003eRetrofit projects where a 125A, 3-pole, 240V breaker is required\u003c\/li\u003e \u003cli\u003eNew installations in electrical systems that demand precise Siemens-spec protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this over other options\u003c\/h3\u003e\n\u003cp\u003eThis breaker leverages Siemens engineering to deliver dependable protection for circuits with demanding load profiles. The bolt-on design simplifies installation, reducing downtime during replacements and upgrades. Its 125A rating and 240V compatibility make it well-suited for medium to heavy-load circuits, helping to safeguard equipment and wiring from overcurrent events.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the exact part reference—HQJ3B125H00S07—to ensure compatibility with your panel model.\u003c\/li\u003e \u003cli\u003eDouble-check system voltage and conductor sizing to prevent nuisance trips and ensure code-compliant protection.\u003c\/li\u003e \u003cli\u003eWhen performing retrofits, plan for a brief panel de-energization window to minimize downtime and verify proper alignment after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427070070946,"sku":"HQJ3B125H00S07","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj3b125h00s07-circuit-breaker-125a-3-pole-240v-bolt-117.webp?v=1789667452","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b125h00s07-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}