{"product_id":"square-d-fh16080a-80a-277v-1-pole-plug-in-circuit-breaker","title":"Square D FH16080 A - 80 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FH16080A is a purpose-built 80A, 277V, 1-pole plug-in molded case circuit breaker designed to safeguard your electrical distribution. Engineered for reliable branch circuit protection and swift installation, it fits neatly into panelboards and loadcenters, minimizing downtime during upgrades or replacements.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and hassle-free replacements, reducing service interruptions on busy job sites.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance, adapting to normal operating loads while responding decisively to overcurrent or short-circuit events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277V, 80A, 1-pole\u003c\/strong\u003e configuration tailored for commercial lighting, feeders, and other 277-volt circuits common in office, retail, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e works with matching manufacturer load centers and panelboards to ensure a seamless, reliable fit and consistent electrical protection across your system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments where dependable overcurrent and short-circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe FH16080A isn't just a breaker—it's a smart choice for upgrading or maintaining critical electrical infrastructure. Its plug-in form factor simplifies field replacements, while the thermal-magnetic trip mechanism provides dependable protection across a range of load conditions. This makes it ideal for panelboard retrofits, new installations in 277V circuits, and spare-breaker inventories for facilities that rely on steady, uninterrupted power delivery.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e from the FH16080A:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eElectrical contractors and service technicians seeking rapid, reliable plug-in breakers for 277V panelboards.\u003c\/li\u003e \u003cli\u003eFacility managers overseeing commercial or light industrial electrical systems that demand predictable, repeatable protection against overcurrent and short circuits.\u003c\/li\u003e \u003cli\u003eProperty owners planning panel upgrades or replacements where OEM compatibility and consistent protection matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompared with alternative breakers, the FH16080A stands out for its blend of quick installation, precise trip performance, and OEM compatibility. Its plug-in design reduces installation time and field labor, while the thermal-magnetic trip unit provides dependable protection without excessive nuisance tripping or wear on downstream equipment. If you manage 277V circuits in panelboards or loadcenters, this breaker offers a practical, low-downtime solution that aligns with standard electrical codes and installation practices.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: FH16080A\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 80 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 277 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 1\u003c\/li\u003e \u003cli\u003eMounting Style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for optimal use:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEnsure compatibility with your OEM load center or panelboard before installation to maintain coordinated protection and electrical margin.\u003c\/li\u003e \u003cli\u003eVerify the 277V circuit load profile to maximize the benefits of the thermal-magnetic trip, minimizing nuisance trips during startup surges.\u003c\/li\u003e \u003cli\u003eKeep a spare FH16080A on hand for rapid replacement during maintenance cycles to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355231867042,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_9afa929f-da90-43e3-ab9f-5e35e649a511.png?v=1764690610","url":"https:\/\/www.ampstate.com\/products\/square-d-fh16080a-80a-277v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}