{"product_id":"eaton-da3400y-circuit-breaker","title":"Eaton | DA3400Y | Circuit Breaker | 400A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cstrong\u003eEaton DA3400Y Circuit Breaker\u003c\/strong\u003e — a rugged 400A, 3-pole device designed for 240V systems that demand reliable, code-compliant protection. Built for maintenance, retrofit, and replacement projects, the DA3400Y helps you keep critical electrical circuits safeguarded with minimal downtime and hassle. \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e ideal for maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe DA3400Y is a purpose-built replacement part that aligns with specific panel configurations. When you need to match existing equipment exactly, this Eaton circuit breaker provides a straightforward, reliable fit that preserves protection settings and system integrity. Its three-pole design is suited for distributing protection across three hot lines in 240V networks, supporting safe operation in appropriate industrial or commercial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the DA3400Y for your panel?\u003c\/strong\u003e It’s more than a generic breaker: it’s a standard-reference replacement that reduces uncertainty during upgrades. By staying within the exact amperage, pole count, and voltage, you minimize compatibility risks and streamline installation in Eaton-compatible panels.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eUse cases:\u003c\/strong\u003e maintenance of existing protection schemes, retrofit projects upgrading to a 400A, 3-pole 240V protection plan, and straightforward replacement where the DA3400Y is the best compatibility reference.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e facilities with Eaton electrical distribution equipment seeking dependable, compatible protection without panel modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical tip:\u003c\/strong\u003e Always confirm fit and ratings against the panel’s documentation before ordering—the DA3400Y part number is the best reference for ensuring compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426159579298,"sku":"DA3400Y","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-da3400y-circuit-breaker-400a-3-pole-240v-245.webp?v=1789524407","url":"https:\/\/www.ampstate.com\/products\/eaton-da3400y-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}