{"product_id":"siemens-hed43b125l-circuit-breaker","title":"Siemens | HED43B125L | Circuit Breaker | 125A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HED43B125L circuit breaker—a robust 125A, 3-pole device crafted for 480V three-phase systems. Built to support maintenance, retrofit, and replacement needs where exact specifications matter, this breaker delivers dependable protection across all live lines, helping safeguard equipment, wiring, and operators in demanding environments.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\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 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HED43B125L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cp\u003eDesigned for reliability in industrial and commercial electrical distributions, the Siemens HED43B125L delivers precise, coordinated protection in 480V three‑phase systems. It’s a purpose-built solution when you need a direct, specs‑matched replacement or retrofit, with the assurance that comes from Siemens engineering and a part-number‑driven approach to compatibility.\u003c\/p\u003e\n\u003cp\u003eCompatibility is straightforward: the part number is the best reference to ensure it matches your existing installation. Before ordering, confirm fit and ratings to align with your panel or switchgear configuration and avoid field rework.\u003c\/p\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance projects where exact Siemens specifications are required for continuity and safety\u003c\/li\u003e \u003cli\u003eRetrofits that upgrade or replace aging 480V, 3‑phase protection without changing downstream equipment\u003c\/li\u003e \u003cli\u003eNew or existing 3‑phase distribution panels and motor control setups operating at 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for installation and setup\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify that your system voltage is 480V and that you’re protecting a 3‑phase distribution before installation\u003c\/li\u003e \u003cli\u003eUse the part number HED43B125L as the primary reference to confirm compatibility with your equipment\u003c\/li\u003e \u003cli\u003eConsult Siemens installation guidelines for proper mounting, wiring, and safety practices\u003c\/li\u003e \u003cli\u003eEnsure ratings and mechanical fit align with the existing panel or enclosure to minimize field adjustments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you’re planning a thoughtful upgrade or replacement, the Siemens HED43B125L provides a dependable, spec-aligned solution for 480V, 3‑phase systems. Trust in a unit designed to meet the rigors of industrial operation while simplifying compatibility through a clear, part-number based reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425629556898,"sku":"HED43B125L","price":2304.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}