{"product_id":"siemens-ed43s125a-125a-3p-480v-circuit-breaker","title":"Siemens ED43S125A 125A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens ED43S125A\u003c\/strong\u003e – a robust 125 A, 3-pole circuit breaker designed for reliable protection in panelboards, load centers, and electrical distribution systems. This is a smart choice for teams that prioritize precise part-number matching and fast sourcing to minimize downtime on critical projects.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e ED43S125A\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes this breaker uniquely valuable\u003c\/h2\u003e\n\u003cp\u003eIn environments where consistency and compatibility matter, the ED43S125A stands out by offering a direct part-number match for Siemens-based panelboards and distribution setups. Its 3-pole design is ideal for three-phase circuits common in industrial and commercial equipment rooms, while the 480 V rating supports modern electrical distribution standards. With AmpState carrying this exact model, you’re choosing a known, repeatable component you can trust for service continuity and long-term maintenance planning.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtection for three-phase feeders in commercial buildings and industrial facilities.\u003c\/li\u003e \u003cli\u003eReplacement part in panelboards or load centers where precise Siemens ED-series compatibility is required.\u003c\/li\u003e \u003cli\u003eSpare inventory for maintenance teams focusing on rapid part-match replacements to reduce downtime during outages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy it matters for your project\u003c\/h2\u003e\n\u003cp\u003eChoosing the exact part number avoids compatibility gaps that can delay commissioning or repair work. The ED43S125A’s alignment with Siemens distribution products ensures dependable electrical protection, streamlined stocking, and a smoother maintenance workflow. It’s especially valuable when planning inventory for ongoing projects where standardization reduces errors and procurement lead times.\u003c\/p\u003e \u003ch2\u003eCompatibility \u0026amp; support\u003c\/h2\u003e\n\u003cp\u003eNeed help confirming fit for a specific panel or distribution setup? \u003cstrong\u003eAmpState\u003c\/strong\u003e offers guidance to verify compatibility with your equipment. \u003cem\u003eMessage us\u003c\/em\u003e to confirm that ED43S125A will drop into your panelboard or load center as a direct match, ensuring seamless installation and reliable protection from day one.\u003c\/p\u003e \u003ch2\u003eAvailability and guidance\u003c\/h2\u003e\n\u003cp\u003eAvailable from AmpState, the Siemens ED43S125A is ready to support your maintenance plans, stocking strategies, and project timelines. This part is ideal for teams that value precise part-number matching, fast procurement, and dependable performance in 480 V three-phase systems.\u003c\/p\u003e \u003cp\u003eIf you’re assembling a spare parts kit or standardizing on Siemens components for distribution panels, the ED43S125A provides a proven, compatible choice that aligns with your safety and reliability goals. For the best-fit confirmation, reach out and let us help you verify the part’s fit for your exact setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412496732322,"sku":"ED43S125A","price":2743.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/siemens-ed43s125a-125a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}