{"product_id":"westinghouse-ehb1100-circuit-breaker","title":"Westinghouse | EHB1100 | Circuit Breaker | 100A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse EHB1100 Circuit Breaker—a focused, reliable solution for protecting 277V circuits with clarity and confidence. This 100A, 1-Pole device is crafted for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable overcurrent protection when you need it most.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EHB1100\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world setups: 277V circuits are common in commercial environments—lighting systems, fans, and certain feeders—and require a precisely matched breaker to ensure proper protection and predictable trip behavior. The EHB1100 is designed to fit these applications without guesswork, helping you maintain safe, compliant electrical protection for your 277V infrastructure.\u003c\/p\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service on panels that rely on 1-Pole breakers rated for 277V\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading to 100A protection on a 277V circuit is appropriate\u003c\/li\u003e \u003cli\u003eReplacement of a failed unit in facilities that standardize on a 1-Pole, 277V configuration\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to ensure a perfect fit:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel accepts 1-Pole, 277V breakers and that the circuit you’re protecting aligns with a 100A rating\u003c\/li\u003e \u003cli\u003eUse the part number EHB1100 as the primary reference to confirm compatibility with your panel model\u003c\/li\u003e \u003cli\u003eBefore ordering, double-check the panel labeling and documentation to avoid mismatches and unnecessary returns\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical value in everyday electrical work: choosing the Westinghouse EHB1100 means sticking with a trusted, straightforward solution for 277V, 100A, single-pole protection. It minimizes guesswork, aligns with common panel architectures, and supports smooth maintenance or upgrades in commercial and industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46425617563810,"sku":"EHB1100","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-ehb1100-circuit-breaker-100a-1-pole-277v-497.webp?v=1789430725","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ehb1100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}