{"product_id":"nef437020-circuit-breaker","title":"NEF437020 | Circuit Breaker | 20A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the NEF437020: a purpose-built, industrial-grade circuit breaker engineered for 3-phase 480V systems. With a precise 20A rating and bolt-on mounting, this unit is designed for quick, reliable maintenance, retrofit, and replacement across demanding electrical environments. When the goal is to protect your three-pole circuit without sacrificing downtime, this breaker delivers straightforward installation paired with dependable protection across all phases.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e NEF437020\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDesigned for fast, reliable installations\u003c\/h3\u003e\n\u003cp\u003eThanks to its bolt-on design, this circuit breaker simplifies retrofits and replacements in existing enclosures. It provides the necessary protection for three-phase loads at 480V while allowing technicians to swing into action quickly during routine maintenance or after a panel upgrade. The 3-pole configuration ensures synchronized protection across all phases, helping to prevent unbalanced loading and potential equipment damage.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and routine replacements in industrial control panels and switchgear\u003c\/li\u003e \u003cli\u003eRetrofit projects where a precise 20A, 3-pole, 480V breaker is required\u003c\/li\u003e \u003cli\u003eUpgrading legacy systems to maintain coordinated protection across all three phases\u003c\/li\u003e \u003cli\u003eReplacement in environments where bolt-on mounting is specified for speed and reliability\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and buying tips\u003c\/h3\u003e\n\u003cp\u003eImportant: confirm fit and ratings before ordering. The part number NEF437020 is the best reference for compatibility with your equipment. When selecting this breaker, ensure your panel is designed for bolt-on 3-pole devices and that the system voltage and current requirements align with 480V and 20A. If you’re refurbishing an industrial electrical setup, this unit offers a straightforward path to restoring full protection with minimal panel modification.\u003c\/p\u003e \u003cp\u003eIn practice, this NEF437020 circuit breaker helps reduce downtime during maintenance, supports scalable upgrades in multi-phase systems, and provides dependable overload protection for 480V circuits. If you’re planning a retrofit or replacement in a demanding industrial setting, this 20A, 3-pole, bolt-on breaker is a precise, reliable choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46425684639906,"sku":"NEF437020","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/nef437020-circuit-breaker-20a-3-pole-480v-bolt-344.webp?v=1789442121","url":"https:\/\/www.ampstate.com\/products\/nef437020-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}