{"product_id":"eaton-mdlb3350-circuit-breaker","title":"Eaton | MDLB3350 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton MDLB3350\u003c\/strong\u003e is a rugged, three-pole circuit breaker engineered for industrial power distribution. With a 350A rating and 600V operating capability, this unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eWhy this matters\u003c\/h3\u003e\n\u003cp\u003eWhen you're upgrading or restoring a panel, using the correct OEM part minimizes downtime and preserves protective coordination. The MDLB3350 is built to match Eaton's trip characteristics and physical footprint, helping you avoid mismatches that can complicate installation or void warranties.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBest use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and repairs in industrial or commercial electrical panels that require a 3-phase, 350A protection device.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment calls for a 3-pole, 600V breaker with Eaton compatibility.\u003c\/li\u003e \u003cli\u003eReplacement for failed MDLB3350 units to restore protective coverage without changing panel configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure seamless installation. The \u003cstrong\u003eMDLB3350\u003c\/strong\u003e part number is the most reliable reference for compatibility with your panel and bus configuration. If your system expects a 3-pole, 600V protection device with Eaton's 3-phase trip characteristics, this is the right choice.\u003c\/p\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cp\u003eOEM-grade reliability from Eaton means consistent trip performance, predictable protection for vital equipment, and easier spare part management for maintenance teams. This breaker is designed to slot into standard Eaton 3P panels that support MDLB-series devices, helping you keep electrical infrastructure running smoothly.\u003c\/p\u003e \u003ch3\u003ePractical notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep spares for downtime-critical equipment so maintenance can proceed without delays.\u003c\/li\u003e \u003cli\u003eVerify bus configuration and mounting style in the panel to ensure correct wiring and secure mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427381530786,"sku":"MDLB3350","price":12624.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-mdlb3350-circuit-breaker-350a-3-pole-600v-502.webp?v=1789712795","url":"https:\/\/www.ampstate.com\/products\/eaton-mdlb3350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}