{"product_id":"heg421045-circuit-breaker","title":"HEG421045 | Circuit Breaker | 45A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet HEG421045, a rugged industrial circuit breaker engineered to safeguard demanding electrical systems with reliability and precision. Built to perform in maintenance, retrofit, and replacement projects, this 45A, 2-pole unit is a dependable choice for 480V applications where steady protection matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this breaker matters in the real world\u003c\/p\u003e \u003cul\u003e \u003cli\u003eDesigned for \u003cb\u003emedical-grade uptime\u003c\/b\u003e in manufacturing lines, processing plants, and heavy equipment where uninterrupted power is critical.\u003c\/li\u003e \u003cli\u003eThe \u003cb\u003e2-pole configuration\u003c\/b\u003e provides synchronized protection for both hot conductors in 480V systems, helping prevent asymmetric faults and reducing equipment damage.\u003c\/li\u003e \u003cli\u003eIdeal for \u003cb\u003emaintenance, retrofit, and replacement\u003c\/b\u003e scenarios—when your panel or distribution board requires a precise, compatible 45A, 480V unit.\u003c\/li\u003e \u003cli\u003eUse \u003cb\u003epart number HEG421045\u003c\/b\u003e as the best reference for compatibility. Confirm fit and ratings before ordering to ensure a seamless swap.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and installation context\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRetrofits: upgrade aging protection in legacy equipment that operates at 480V with 45A demand.\u003c\/li\u003e \u003cli\u003eMaintenance: replace worn or failed breakers to restore panel protection quickly.\u003c\/li\u003e \u003cli\u003eNew installations: select an exact-spec unit for standardized 480V distribution with two hot legs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart from generic breakers\u003c\/h3\u003e \u003cp\u003eThis unit is purpose-built for industrial environments where precise compatibility matters. By aligning exactly with 45A, 2-pole, 480V specifications, it minimizes guesswork during procurement and reduces downtime caused by mismatched components. The emphasis on exact part-number alignment helps ensure seamless integration with your existing panels and protection schemes.\u003c\/p\u003e \u003cp\u003ePractical tips for maximum protection\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBefore installation, verify that the panel catalog or electrical schematics call for a 2-pole, 480V protection device at 45A.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque and wiring guidelines to ensure secure connections and reliable tripping performance.\u003c\/li\u003e \u003cli\u003eKeep a record of the part number HEG421045 in your maintenance log for future replacements and audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen you need a dependable, specification-matched solution for 480V power distribution, HEG421045 delivers precise protection without the guesswork. Ready to safeguard your critical circuits with a 45A, 2-pole, 480V circuit breaker crafted for industrial duty—confirm compatibility today using the part number as your reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426439647394,"sku":"HEG421045","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/heg421045-circuit-breaker-45a-2-pole-480v-117.webp?v=1789577727","url":"https:\/\/www.ampstate.com\/products\/heg421045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}