{"product_id":"eaton-ldb3400y-circuit-breaker","title":"Eaton | LDB3400Y | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton LDB3400Y\u003c\/strong\u003e circuit breaker is a purpose-built solution for reliable overcurrent protection in 600V systems. Engineered for maintenance, retrofit, and replacement tasks where exact specifications matter, this 400A, 3-pole device integrates seamlessly with compatible Eaton panels and distribution assemblies.\u003c\/p\u003e \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 rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e LDB3400Y (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Eaton LDB3400Y? Because it’s a genuine Eaton component designed to fit and function within Eaton-established frame and bus configurations. Its specifications are tailored for high-demand circuits, providing dependable protection for essential equipment and crews who rely on stable electrical performance in industrial and commercial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or worn breakers in existing Eaton installations without sacrificing compatibility or performance.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or modify panel protection to accommodate higher loads while maintaining a coherent Eaton ecosystem.\u003c\/li\u003e \u003cli\u003eReplacement: restore original protection specs after component wear or failure, ensuring continued protection of feeders and downstream circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e to ensure compatibility with your panel model and bus configuration.\u003c\/li\u003e \u003cli\u003eUse the \u003cstrong\u003epart number LDB3400Y\u003c\/strong\u003e as the primary reference for cross-checking against manufacturer catalogs and service documentation.\u003c\/li\u003e \u003cli\u003eLicensed electrical professionals should perform installation and verification to meet safety standards and local codes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where dependable, high-current protection is non-negotiable, the Eaton LDB3400Y delivers a precise, compatible solution for 400A, 3-pole, 600V service. Its alignment with Eaton’s engineering and compatibility guidelines helps streamline maintenance, retrofit, and replacement projects—minimizing downtime and safeguarding critical electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46426461536418,"sku":"LDB3400Y","price":2010.0,"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\/eaton-ldb3400y-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}