{"product_id":"westinghouse-ehb2045-circuit-breaker","title":"Westinghouse | EHB2045 | Circuit Breaker | 45A | 2-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse EHB2045 circuit breaker is a purpose-built protective device designed for 480V industrial and commercial electrical systems. With a 45A rating and a 2-pole configuration, this unit protects two hot legs in demanding panels, delivering reliable interruption and dependable circuit protection when you need to maintain uptime and safety.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\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\u003eReference:\u003c\/strong\u003e EHB2045\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this specific breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike generic substitutes, the Westinghouse EHB2045 is sized and rated to align precisely with existing Westinghouse panel configurations and 480V distribution layouts. The 2-pole design provides balanced protection across both conductors in a 480V circuit, a crucial consideration for safeguarding motors, feeders, and other high-load equipment in industrial environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanel replacements:\u003c\/strong\u003e swap in when an older 2-pole, 480V unit fails or is worn, minimizing downtime and compatibility risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofits:\u003c\/strong\u003e update legacy electrical systems to current protection standards without overhauling panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance planning:\u003c\/strong\u003e keep a reliable spare on hand for scheduled or unforeseen service, ensuring quick restoration of service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings align with your panel’s specifications. The EHB2045 part number is the most reliable reference for compatibility with systems designed for 480V, 2-pole protection. If your equipment specification calls for a 45A, 2-pole breaker at 480V, this unit is the correct match.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips to maximize reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eStore spare units in a dry, clean environment to protect terminal connections.\u003c\/li\u003e \u003cli\u003eAnnotate replacement records with the part number (EHB2045) for future maintenance accuracy.\u003c\/li\u003e \u003cli\u003eConsult a licensed electrician for proper installation and panel-termination procedures to ensure safe, code-compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46426785546402,"sku":"EHB2045","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-ehb2045-circuit-breaker-45a-2-pole-480v-708.webp?v=1789621321","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ehb2045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}