{"product_id":"square-d-fh16020b-20a-1p-277v-circuit-breaker","title":"Square D FH16020B 20A 1P 277V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D FH16020B 20A 1P 277V Circuit Breaker — a precise, ready-to-use protection device for commercial and industrial panels. From AmpState, this breaker is designed to safeguard circuits while offering a direct part-number match that keeps maintenance and stocking straightforward.\u003c\/p\u003e \u003cp\u003eKey features at a glance:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part-number compatibility\u003c\/strong\u003e: FH16020B is a 1-pole, 20-amp, 277-volt breaker built for Square D panel environments, ensuring a drop-in fit without guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable overcurrent protection\u003c\/strong\u003e: Delivers consistent trip characteristics to shield conductors and connected loads in 277V distribution circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, serviceable design\u003c\/strong\u003e: Easy to install in crowded panelboards and load centers, reducing downtime during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStock-ready from AmpState\u003c\/strong\u003e: Available now with support for compatibility confirmation if needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for you\u003c\/p\u003e \u003cp\u003eThe FH16020B shines in setups where a single-pole, 277V protection device is needed for commercial lighting circuits, control panels, or distribution feeders. Its 20A rating makes it suitable for branch circuits in offices, retail spaces, warehouses, and other environments that rely on reliable 277V distribution.\u003c\/p\u003e \u003cp\u003eWho benefits most\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePanel builders assembling Square D configurations who require exact part-number matches for fast, error-free builds.\u003c\/li\u003e \u003cli\u003eMaintenance teams performing part replacements with minimal panel downtime.\u003c\/li\u003e \u003cli\u003eInventory managers needing dependable spares that align with existing Square D portfolios.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eKeep FH-series breakers together in your spare bin for easy future upgrades or panel revamps.\u003c\/li\u003e \u003cli\u003eWhen selecting a replacement, verify the panel's bus compatibility and mounting style to ensure a seamless fit with the FH16020B.\u003c\/li\u003e \u003cli\u003eIf there’s any doubt about fit, message AmpState to confirm compatibility before ordering—the team will guide you to a precise match.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProduct details\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: FH16020B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 20 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: 277V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410987962530,"sku":"FH16020B","price":1315.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fh16020b-20a-1p-277v-circuit-breaker-ampstate-breakers-260.webp?v=1789000731","url":"https:\/\/www.ampstate.com\/products\/square-d-fh16020b-20a-1p-277v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}