{"product_id":"eaton-hkd3125w-125a-600v-3-pole-circuit-breaker","title":"Eaton HKD3125W - 125 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton HKD3125W\u003c\/strong\u003e is a 125A, 600V, 3-pole molded case circuit breaker built for dependable branch circuit protection in panelboards and load centers. With a compact design and a thermal-magnetic trip unit, it delivers stable, repeatable protection for today’s multi‑wire electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace‑saving molded case design:\u003c\/strong\u003e Optimizes panel layout, freeing valuable space in residential, commercial, and light industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit:\u003c\/strong\u003e Combines heat and magnetic sensing to provide accurate overcurrent protection and rapid response to short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole reliability:\u003c\/strong\u003e Ensures simultaneous disconnection of all phases in 3‑phase systems, enhancing safety and nuisance‑trip reduction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125A, 600V ratings:\u003c\/strong\u003e Suitable for higher‑voltage panelboards and load centers, handling demanding branch circuits with confidence.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑compatible:\u003c\/strong\u003e Designed to pair with matching Eaton and OEM load centers and panelboards for straightforward integration and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use cases:\u003c\/strong\u003e Ideal for residential feeders, commercial equipment circuits, and light industrial controls that require robust protection without compromising space.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems does the HKD3125W solve? It provides clear, reliable protection against overloads and short circuits in a compact package, helping prevent equipment damage, electrical fires, and unexpected downtime. By using a thermal‑magnetic mechanism, it maintains protective characteristics across varying load conditions and fault events, giving technicians a durable, predictable level of safety for routine maintenance and routine panel servicing.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhere to use it\u003c\/strong\u003e: Install in panelboards and load centers that support 3‑pole, 125A protection in residential, commercial, and light industrial environments. It’s well suited for circuits feeding motors, HVAC components, lighting panels, and other branch circuits that benefit from a compact, reliable protection device.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSimple integration tips\u003c\/strong\u003e: Verify that the panelboard or load center is rated for 600V and 125A, ensure proper terminal torque per installation instructions, and pair with the correct bus‑bar arrangement and accessories for a seamless fit. Always follow local electrical codes and manufacturer guidelines during installation for optimal performance.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eTechnical snapshot:\u003c\/em\u003e 3 poles, 125A, 600V, molded case, thermal‑magnetic trip, compatible with OEM load centers and panelboards, designed for branch circuit overcurrent and short‑circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349601013922,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_f50269f3-a15d-45ff-8234-b497e68d7876.png?v=1764150981","url":"https:\/\/www.ampstate.com\/products\/eaton-hkd3125w-125a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}