{"product_id":"siemens-hed43b015l-circuit-breaker","title":"Siemens | HED43B015L | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HED43B015L is a 3-Pole circuit breaker designed for maintenance, retrofit, and replacement tasks where exact specifications matter. Engineered for 3-phase electrical systems, this unit delivers consistent protection across all three poles when paired with the correct ratings and panel compatibility.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility matters\u003c\/strong\u003e — use the part number HED43B015L as the best reference for determining fit. Always confirm the required ratings and panel compatibility before ordering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for retrofit and replacement\u003c\/strong\u003e — keep this Siemens breaker on hand for service interruptions, panel upgrades, or legacy installations that require precise Siemens components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for three-phase systems\u003c\/strong\u003e — designed to interrupt all three lines simultaneously, helping maintain coordinated protection in commercial and light-industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable Siemens architecture\u003c\/strong\u003e — built to integrate with Siemens distribution panels and equipment, supporting consistent performance in both steady-state and fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical usage scenarios\u003c\/strong\u003e — maintenance on three-phase feeders, replacing worn-out breakers in retrofitted or upgraded panels, and stocking critical power-distribution spare parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e — verify both fit and ratings on-site; the part number is the best indicator of compatibility, and mismatches can affect safety and function.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're updating an older Siemens installation or stocking a replacement for scheduled maintenance, HED43B015L provides dependable, three-pole protection your three-phase loads rely on. For best results, pair this part with the exact panel model and circuit ratings specified by your electrical diagrams and Siemens installation guidelines.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425629950114,"sku":"HED43B015L","price":1374.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed43b015l-circuit-breaker-3-pole-936.webp?v=1789433380","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b015l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}