{"product_id":"federal-pacific-nef-433040-40a-3p-480v-circuit-breaker","title":"Federal Pacific NEF-433040 Circuit Breaker, 40A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Federal Pacific NEF-433040 circuit breaker is built for demanding industrial electrical service, offering reliable protection for 3-phase power systems. With a 40-amp rating and a 3-pole configuration, it is designed to guard 480V circuits in manufacturing facilities, warehouses, and maintenance enclosures. Use the part number NEF-433040 to confirm compatibility with your panel and application requirements.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NEF-433040\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Federal Pacific\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the 3-Pole, 480V design matters\u003c\/h3\u003e\n\u003cp\u003eThis 3-pole configuration is purpose-built for three-phase electrical distributions common in industrial environments. The 480V rating ensures it can protect high-energy circuits without nuisance tripping in demanding equipment setups. By using the NEF-433040, you’re selecting a purpose-built component that aligns with industrial service expectations for reliable overcurrent protection and consistent performance under load.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement projects in existing industrial panels where a 3-pole, 480V circuit breaker is required\u003c\/li\u003e \u003cli\u003eMaintenance activities that demand standard spare parts to minimize downtime\u003c\/li\u003e \u003cli\u003eNew installations in three-phase, 480V distribution systems for manufacturing lines, processing facilities, and large equipment enclosures\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eAlways verify fit by the exact part number and the specific application requirements. The NEF-433040 is the reference you should match to your panel model and circuit protection needs. If you need help confirming compatibility or matching a part number to your installation, message us and we’ll assist with validation and options.\u003c\/p\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cp\u003eKeep this breaker in your inventory as a dedicated solution for 3-phase, 480V protection. By using the correct part number for ordering and maintenance, you reduce the risk of mismatched components and ensure more predictable system protection during service and repairs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415973023906,"sku":"NEF-433040","price":460.0,"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\/federal-pacific-nef-433040-40a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}