{"product_id":"siemens-hqj3b125ha02-circuit-breaker","title":"Siemens | HQJ3B125HA02 | Circuit Breaker | 125A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HQJ3B125HA02 Circuit Breaker is a reliable OEM solution designed for robust protection in 3‑phase electrical installations. With a 125A rating across 3 poles at 240V, this unit delivers precise overload protection and dependable trip performance when your system demands it most.\u003c\/p\u003e \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\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this model stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOEM Siemens reliability ensures compatibility with Siemens panels and downstream protection devices, reducing the guesswork that comes with aftermarket replacements.\u003c\/li\u003e \u003cli\u003eExact fit for maintenance, retrofit, and replacement projects where matching specs matter, helping you restore original performance more quickly.\u003c\/li\u003e \u003cli\u003eThe part number HQJ3B125HA02 is your best reference for compatibility—confirm the fit and ratings against your panel label before ordering to avoid mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and upgrades in commercial or light industrial panels that require a 125A, 3‑pole, 240V breaker.\u003c\/li\u003e \u003cli\u003eReplacement of failed or aging breakers in systems designed for HQJ series protection, ensuring continued electrical safety and reliability.\u003c\/li\u003e \u003cli\u003eMaintenance projects where matching current rating, pole count, and voltage is essential to maintain system protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and safety considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEmploy a licensed electrical professional for installation. Verify panel compatibility and trip characteristics, and consult the panel’s labeling and Siemens documentation to ensure the HQJ3B125HA02 aligns with your protection strategy and upstream\/downstream devices.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat to expect in real-world performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConsistent protection for 3‑phase circuits, helping prevent equipment damage from short circuits and overloads.\u003c\/li\u003e \u003cli\u003ePeace of mind from using an OEM part designed to meet Siemens’ engineering and quality standards, minimizing unexpected trips and maintenance hassles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427069710498,"sku":"HQJ3B125HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hqj3b125ha02-circuit-breaker-125a-3-pole-240v-646.webp?v=1789667402","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b125ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}