{"product_id":"square-d-fhp16045-circuit-breaker","title":"Square D | FHP16045 | Circuit Breaker | 45A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FHP16045 Circuit Breaker — a precise, plug-in protection device designed for 277V single-pole circuits. With a 45A rating, it interrupts excess current to safeguard wiring and devices in commercial and industrial panels that rely on 277V distribution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey advantages:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for FHP-series panels:\u003c\/strong\u003e The part number FHP16045 is the definitive reference for compatibility, making maintenance, retrofit, or replacement straightforward.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole protection:\u003c\/strong\u003e Ideal for single-phase circuits, reducing panel space while delivering reliable overcurrent protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V operation:\u003c\/strong\u003e Suitable for systems that use 277V lighting, machinery, or control circuits common in commercial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases you’ll appreciate:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 1-pole 277V breaker in an existing Square D panel to restore protected circuits without rewiring.\u003c\/li\u003e \u003cli\u003eRetrofit projects where your panel specification calls for a 45A 1-pole breaker with 277V rating.\u003c\/li\u003e \u003cli\u003eMaintenance tasks that require a trusted, known-good component from Square D’s FHP family.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReliable overcurrent protection ensures that wires stay within their temperature ratings and connected devices avoid damage during faults.\u003c\/li\u003e \u003cli\u003eUsing the correct part number reduces the risk of incompatibility, downtime, and mis-matched ratings during critical repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and ordering:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e by cross-checking the \u003cstrong\u003eFHP16045\u003c\/strong\u003e part number against your panel’s documentation.\u003c\/li\u003e \u003cli\u003eHave the exact panel model and voltage requirements on hand when shopping to ensure seamless replacement.\u003c\/li\u003e \u003cli\u003eStore spares in a cool, dry location to maintain performance and reliability over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426376470690,"sku":"FHP16045","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fhp16045-circuit-breaker-45a-1-pole-277v-294.webp?v=1789566295","url":"https:\/\/www.ampstate.com\/products\/square-d-fhp16045-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}