{"product_id":"siemens-hed42b125l-circuit-breaker","title":"Siemens | HED42B125L | Circuit Breaker | 125A | 2-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED42B125L is a 125-amp, 2-pole, 480-volt bolt-on circuit breaker designed for industrial distribution panels where precise specs are non‑negotiable. This model is built for maintenance, retrofit, and replacement projects, delivering dependable overcurrent protection when you need to update a panel without major rewiring.\u003c\/p\u003e \u003cp\u003eKey features at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\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 HED42B125L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Siemens HED42B125L?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDelivers an exact specification match for systems operating at 480V with a 2-pole configuration, ensuring compatibility with your existing bus and enclosure design.\u003c\/li\u003e \u003cli\u003eBolt-on mounting provides a secure, vibration-resistant installation ideal for panelboards and switchgear in demanding environments.\u003c\/li\u003e \u003cli\u003eReliability and design consistency from Siemens mean predictable electrical protection and easier sourcing for future replacements.\u003c\/li\u003e \u003cli\u003eCompact form and straightforward serviceability help technicians swap in the field during maintenance windows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUsage and installation notes\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings against your panel documentation. The part number is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eUse this breaker in applications where a 125A, 2-pole, 480V bolt-on device is specified by the electrical design or equipment manual.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities performing retrofit upgrades to meet updated safety standards\u003c\/li\u003e \u003cli\u003eMaintenance crews replacing failed breakers in 480V distribution circuits\u003c\/li\u003e \u003cli\u003eProject engineers specifying a direct bolt-on substitute with the same electrical characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425634046114,"sku":"HED42B125L","price":2807.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed42b125l-circuit-breaker-125a-2-pole-480v-bolt-642.webp?v=1789434353","url":"https:\/\/www.ampstate.com\/products\/siemens-hed42b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}