{"product_id":"eaton-mdl3400-400a-3p-600v-circuit-breaker","title":"Eaton MDL3400 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton MDL3400 — a dedicated circuit breaker built to protect panelboards, load centers, and broader electrical distribution networks. With a 400 A rating, this 3-pole device is purposefully designed for three-phase systems, delivering reliable interruption and control where high-current circuits demand dependable protection. The MDL3400 is an excellent choice for retrofit work and maintenance planning, especially when you need to preserve the exact part number for asset continuity and service records.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A amperage rating\u003c\/strong\u003e provides solid protection for demanding three-phase loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e suited for 3-phase power distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage\u003c\/strong\u003e rating supports common industrial and commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboards, load centers, and electrical distribution\u003c\/strong\u003e compatibility ensures versatile use across systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly with consistent part numbers\u003c\/strong\u003e supports maintenance planning and minimizes procurement friction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable from AmpState\u003c\/strong\u003e, with assistance to confirm fit and compatibility as needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MDL3400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure about compatibility or the exact fit for a retrofit project, we’re ready to help. \u003cstrong\u003eMessage us to confirm the MDL3400’s compatibility with your panel or distribution setup\u003c\/strong\u003e and ensure you maintain consistent part numbers across maintenance cycles. The Eaton MDL3400 from AmpState delivers reliable protection for your critical electrical infrastructure, helping keep facilities running smoothly and safely.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410900275362,"sku":"MDL3400","price":23477.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/eaton-mdl3400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}