{"product_id":"eaton-kd4100-circuit-breaker","title":"Eaton | KD4100 | Circuit Breaker | 100A | 4-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton KD4100 Circuit Breaker—a reliable 100 A, 4-pole protective device designed for maintenance, retrofit, and replacement projects where exact specifications matter. Identified by the KD4100 part number, this breaker is a precise fit for Eaton-compatible panels and configurations, helping you preserve system protection without guesswork.\u003c\/p\u003e \u003ch2\u003eWhy the KD4100 stands out\u003c\/h2\u003e\n\u003cp\u003eIn 3‑phase electrical systems with a neutral, a 4‑pole breaker provides complete isolation of all conductors, enhancing safety during faults and simplifying service. The KD4100’s four‑pole design ensures that every conductor can be simultaneously disconnected when needed, delivering predictable trip behavior and robust protection aligned with your panel’s engineering.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e KD4100\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems this solves\u003c\/h2\u003e\n\u003cp\u003eIf you’re maintaining, retrofitting, or replacing breakers in Eaton panels, the KD4100 provides a guaranteed-spec alternative that matches your existing protections. By using the exact part number, you minimize compatibility risk, avoid nuisance trips from mismatched ratings, and keep your electrical distribution aligned with design intent and safety standards.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance or service on commercial or industrial panels that require a 4-pole, 100 A protective device\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading to a 4-pole configuration is needed for 3‑phase with neutral systems\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in Eaton-based installations with a like-for-like KD4100 reference for seamless compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number KD4100 is the best reference for compatibility with your panel and current electrical design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427382120610,"sku":"KD4100","price":11148.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/eaton-kd4100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}