{"product_id":"nef421050-circuit-breaker","title":"NEF421050 | Circuit Breaker | 50A | 2-Pole | 480V | 14kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the NEF421050 circuit breaker—a rugged, bolt-on, 2-pole protection device designed for demanding industrial panels and equipment. With a 50A rating, 480V operating capability, and a 14kA interrupting capacity, this breaker is built to reliably interrupt fault currents and protect downstream equipment in harsh environments.\u003c\/p\u003e \u003cp\u003eThis unit is specifically suited for maintenance, retrofit, and replacement projects where precise compatibility matters. The value of the NEF421050 lies in its clear reference—the part number itself—giving you a straightforward path to match ratings and fit in compatible bolt-on panel architectures.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity:\u003c\/strong\u003e 14kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where existing panels require a precise 50A, 2-pole, 480V solution with solid fault protection.\u003c\/li\u003e \u003cli\u003eMaintenance and replacement of aging equipment in industrial facilities that rely on bolt-on breakers for secure mounting.\u003c\/li\u003e \u003cli\u003eProtection of motor circuits and other high-current loads in 480V electrical systems, where maintaining a high interrupting capacity is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e enables a secure, sturdy installation that stands up to vibration and demanding service conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnambiguous compatibility\u003c\/strong\u003e is anchored by the part number NEF421050, making it easier to verify fit against panels and existing protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStrong fault protection\u003c\/strong\u003e with a 14kA interrupting capacity helps safeguard equipment and reduce downstream damage in high-energy faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused 50A, 2-pole design\u003c\/strong\u003e ensures simultaneous disconnection of conductors, enhancing safety and trip coordination in multi-line circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical verification and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e by cross-referencing the panel’s documented breaker lineup with the NEF421050 specification.\u003c\/li\u003e \u003cli\u003eUse the part number as the primary reference when reviewing panel catalogs or maintenance records to ensure seamless replacement.\u003c\/li\u003e \u003cli\u003ePrepare the installation area by verifying clearances and following electrical codes to preserve the integrity of the bolt-on mounting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the NEF421050 for a precise, reliable bolt-on circuit protection solution that aligns with 480V industrial systems and demanding fault conditions. This is the targeted, specification-driven choice for maintenance, retrofit, and replacement projects where accuracy and performance matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46425519259810,"sku":"NEF421050","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nef421050-circuit-breaker-50a-2-pole-480v-14ka-bolt-613.webp?v=1789418387","url":"https:\/\/www.ampstate.com\/products\/nef421050-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}