{"product_id":"eaton-ldb3400w-circuit-breaker","title":"Eaton | LDB3400W | Circuit Breaker | 400A | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton LDB3400W circuit breaker — a robust 400 A, 3-pole protective device designed for demanding electrical systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker keeps your three-phase distribution running with precise, dependable protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole (three-phase)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e LDB3400W\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the Eaton LDB3400W?\u003c\/strong\u003e This breaker is purpose-built for scenarios where compatibility is non-negotiable. Rely on the LDB3400W as the best reference when matching replacement breakers to an existing system, helping you maintain protective coordination and system reliability with minimal downtime.\u003c\/p\u003e \u003cp\u003eWho needs it: electrical engineers, facilities managers, and contractors responsible for commercial or industrial electrical distribution. It’s ideal for service panels and feeders that require a sturdy 400-amp, three-pole solution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow it solves common problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacement without guesswork: rely on the exact part number to ensure a correct fit in Eaton-compatible panels.\u003c\/li\u003e \u003cli\u003eSafe, predictable protection for high-current three-phase circuits.\u003c\/li\u003e \u003cli\u003eStreamlined retrofits and upgrades for existing infrastructure, preserving protective coordination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eShopping tips\u003c\/strong\u003e — Always confirm fit and ratings before ordering to avoid compatibility issues. The part number LDB3400W is the most reliable reference for compatibility.\u003c\/p\u003e \u003cp\u003eDesigned by Eaton, a trusted name in electrical distribution, the LDB3400W 400A 3-Pole circuit breaker delivers dependable performance for ongoing operations, upgrades, or new installations where precise specifications matter. Whether updating an industrial panel, expanding a facility’s electrical capacity, or replacing a failed breaker, this unit provides a straightforward, specification-aligned solution linked to the exact part number.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427390607522,"sku":"LDB3400W","price":7518.0,"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-ldb3400w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}