{"product_id":"nef437090-circuit-breaker","title":"NEF437090 | Circuit Breaker | 90A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eNEF437090 Industrial Circuit Breaker — 90A, 3-Pole, 480V\u003c\/strong\u003e is built for reliability in maintenance, retrofit, or replacement projects where robust overcurrent protection is non-negotiable. This 3-pole device is designed to safeguard 480V three-phase power distribution, delivering dependable performance in demanding industrial environments.\u003c\/p\u003e \u003cp\u003eKey specifications\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number reference:\u003c\/strong\u003e NEF437090\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number NEF437090 is your best reference for compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker is a smart choice for your facility\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eThree-pole protection matches standard 3-phase power systems, helping you manage overload and short-circuit protection across all three legs.\u003c\/li\u003e\n\u003cli\u003e90-amp rating is well-suited for mid-range loads on equipment like conveyors, pumps, fans, and machinery in manufacturing or processing environments.\u003c\/li\u003e\n\u003cli\u003eDesigned for retrofit and replacement scenarios, simplifying panel upgrades or maintenance cycles without overhauling your distribution infrastructure.\u003c\/li\u003e\n\u003cli\u003eUsing the correct 480V, 3-pole device helps maintain system stability and reduces the risk of nuisance trips due to under-rated protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits from the NEF437090\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eElectrical engineers, maintenance technicians, and plant managers responsible for keeping mid-sized industrial lines online.\u003c\/li\u003e\n\u003cli\u003eOEMs integrating reliable protection into new equipment that operates on 480V three-phase power.\u003c\/li\u003e\n\u003cli\u003eFacilities with legacy panels that require a direct, compatible replacement part identified by the NEF437090 reference.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for maximum reliability\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eAlways verify that the panel markings and the bus arrangement support a 3-pole, 480V device before ordering.\u003c\/li\u003e\n\u003cli\u003eKeep the NEF437090 reference handy as the primary compatibility check to minimize downtime during replacements.\u003c\/li\u003e\n\u003cli\u003eStore spares near critical equipment to accelerate repairs and reduce process interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46424508694690,"sku":"NEF437090","price":310.0,"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\/nef437090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}