{"product_id":"eaton-pdg33m0400msaj-400a-3p-600v-circuit-breaker","title":"Eaton PDG33M0400MSAJ 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton \u003cstrong\u003ePDG33M0400MSAJ\u003c\/strong\u003e 400A 3P 600V Circuit Breaker, a rugged protection device engineered for reliable circuit safeguarding in panelboards, load centers, and electrical distribution networks. With a 400-amp rating across three poles and support for up to 600 volts, this breaker is built to handle demanding commercial and industrial environments while keeping your power distribution secure and stable.\u003c\/p\u003e \u003cp\u003eWhy this breaker stands out in your electrical system:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number consistency for retrofit and maintenance\u003c\/strong\u003e: When projects require sticking to a specific part number, the PDG33M0400MSAJ ensures your inventory and service records stay aligned, reducing confusion during upgrades or replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for panelboards, load centers, and distribution\u003c\/strong\u003e: A practical choice for protecting large feeders and three-phase circuits within established Eaton-based networks, promoting seamless compatibility with existing gear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for critical infrastructure\u003c\/strong\u003e: Ideal for scenarios where maintaining uninterrupted service on key circuits is essential, from manufacturing floors to commercial facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy sourcing from AmpState\u003c\/strong\u003e: Available through AmpState, with support available to help confirm fit and compatibility for your specific panel configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eManufacturer: Eaton\u003c\/li\u003e \u003cli\u003ePart Number: PDG33M0400MSAJ\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical scenarios\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofit projects where panel compatibility must be preserved without changing the overall installation footprint.\u003c\/li\u003e \u003cli\u003eMaintenance planning for fleets of panelboards and distribution gear, ensuring consistent part usage across sites.\u003c\/li\u003e \u003cli\u003eReplacement in industrial or commercial settings requiring robust 400 A protection for large feeders and three-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes it a thoughtful choice\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintains continuity in your electrical infrastructure by aligning with the PDG family’s interface and mounting footprint.\u003c\/li\u003e \u003cli\u003eSupports straightforward maintenance workflows by avoiding unnecessary panel rewiring or label changes.\u003c\/li\u003e \u003cli\u003eOffers dependable, Eaton-backed protection that integrates smoothly with existing distribution systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePro tips for best results\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore ordering, verify your panel model and that PDG33M0400MSAJ matches the required PDG-series compatibility to minimize downtime.\u003c\/li\u003e \u003cli\u003eKeep a spare PDG33M0400MSAJ in your maintenance kit to reduce downtime during fault responses in high-demand facilities.\u003c\/li\u003e \u003cli\u003eDocument the part number in maintenance logs to ensure consistent replacements across multi-site installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413696925858,"sku":"PDG33M0400MSAJ","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/eaton-pdg33m0400msaj-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}