{"product_id":"nef431040r-circuit-breaker","title":"NEF431040R | Circuit Breaker | 40A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eThe NEF431040R is an industrial circuit breaker designed to protect demanding 3-phase electrical systems while simplifying maintenance, retrofits, and replacements. With a 40A rating across three poles and a 480V operating range, this breaker provides reliable overcurrent protection for modern industrial panels and equipment.\u003c\/p\u003e \u003ch2\u003eKey specifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters for your operation\u003c\/h3\u003e\n\u003cp\u003eIn industrial environments, matching the exact part reference is essential to ensure compatibility with existing panelboards, MCCs, and feeders. The NEF431040R is identified by its part number, making it the most reliable reference for fit and ratings when you’re replacing or retrofitting equipment. By using this specific 3-pole, 480V breaker, you minimize downtime and avoid the guesswork that comes with generic substitutes.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects where a precise fit is required for 3-phase 480V systems\u003c\/li\u003e \u003cli\u003eReplacement in industrial control panels, motor feeders, and equipment racks\u003c\/li\u003e \u003cli\u003eSpare parts inventory for plants with standardized NEF431040R-compatible breakers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this product solves common challenges\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAccurate compatibility:\u003c\/strong\u003e Rely on the part number NEF431040R to ensure your panel accepts this breaker without modification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for 480V systems:\u003c\/strong\u003e A dedicated 40A, 3-pole configuration safeguards three-phase circuits from faults, reducing the risk of equipment damage and unplanned downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined procurement:\u003c\/strong\u003e A clearly defined spec set simplifies ordering and cross-referencing in large maintenance inventories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for purchase and installation\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the fit and ratings align with your equipment’s requirements. The part number NEF431040R serves as the best compatibility reference. When installing, follow standard safety practices for disconnecting power, securing connections, and torqueing terminals to the manufacturer’s specifications. Ensure the panel’s labeling and documentation permit a 3-pole, 480V device of 40A rating.\u003c\/p\u003e \u003ch3\u003eWhy choose this particular circuit breaker\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for 3-Pole, 480V environments:\u003c\/strong\u003e Specifically designed for three-phase systems common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification for maintenance teams:\u003c\/strong\u003e The NEF431040R part number is the definitive reference for compatibility, easing ordering and asset management.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused on real-world use:\u003c\/strong\u003e Built to support maintenance, retrofit, and replacement scenarios where downtime and compatibility are critical concerns.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf your project requires a dependable, well-matched 3-pole circuit breaker for 480V service, the NEF431040R delivers clear value, from precise fit to straightforward replacement workflow. Use the part number as your anchor during planning and procurement to keep your electrical system protected and operating smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46427240792226,"sku":"NEF431040R","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nef431040r-circuit-breaker-40a-3-pole-480v-383.webp?v=1789691764","url":"https:\/\/www.ampstate.com\/products\/nef431040r-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}