{"product_id":"siemens-ed43b125l-circuit-breaker","title":"Siemens | ED43B125L | Circuit Breaker | 125A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eReliable protection for industrial power distribution starts with the Siemens \u003cstrong\u003eED43B125L\u003c\/strong\u003e circuit breaker. With a \u003cstrong\u003e125A\u003c\/strong\u003e rating and a \u003cstrong\u003e3-pole\u003c\/strong\u003e design, this device is built to interrupt all three phases safely in \u003cstrong\u003e480V\u003c\/strong\u003e systems, making it a solid choice for maintenance, retrofit, or replacement projects where exact specs matter.\u003c\/p\u003e \u003ch3\u003eKey specifications and design advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e125A current rating\u003c\/strong\u003e protects feeders and connected equipment from overloads and fault currents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e ensures simultaneous interruption across all three phases for balanced shutdown and safer protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V maximum operating voltage\u003c\/strong\u003e aligns with common 3-phase industrial distributions, data centers, and manufacturing environments.\u003c\/li\u003e \u003cli\u003ePart \u003cstrong\u003eED43B125L\u003c\/strong\u003e serves as the best compatibility reference—use it to verify fit with your panel or switchgear.\u003c\/li\u003e \u003cli\u003eDesigned for \u003cstrong\u003einterchangeability in Siemens-compatible panels\u003c\/strong\u003e, helping minimize downtime during replacement or retrofits.\u003c\/li\u003e \u003cli\u003eClear identification and rugged construction suited for demanding industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit and upgrade projects in manufacturing facilities where reliable 3-phase protection is essential.\u003c\/li\u003e \u003cli\u003eReplacement in service panels and distribution boards within data centers and large commercial buildings.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios where existing Siemens gear requires a precise ED43B125L match for seamless integration.\u003c\/li\u003e \u003cli\u003eNew installations that demand a known Siemens specification for consistent performance and compatibility with existing systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering tips\u003c\/h3\u003e\n\u003cp\u003eBefore placing an order, confirm fit and ratings using the exact part number \u003cstrong\u003eED43B125L\u003c\/strong\u003e. This is the most reliable reference for compatibility with your panel, switchgear, or enclosure. Relying on the part number helps ensure you receive the correct 3-pole, 480V, 125A solution and reduces the risk of mismatches in critical electrical infrastructure.\u003c\/p\u003e \u003cp\u003eFor dependable, predictable protection in industrial power distribution, the Siemens ED43B125L circuit breaker delivers consistent performance across maintenance, retrofit, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425630081186,"sku":"ED43B125L","price":4555.0,"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-ed43b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}