{"product_id":"square-d-fh16090a-90a-277v-1-pole-plug-in-circuit-breaker","title":"Square D FH16090 A - 90 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FH16090A — a reliable 90A, 277V, 1-pole plug-in molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Built for straightforward installation and dependable protection, it’s the right choice when you need a single-pole solution that fits seamlessly into standard electrical distributions.\u003c\/p\u003e \u003cp\u003eKey features that matter in real-world use\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for quick installation and easy field replacements, reducing panel downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by responding to both sustained overloads and sudden short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work with matching Square D load centers and panelboards, ensuring reliable integration with your existing system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial circuits that require dependable branch-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical snapshot\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: FH16090A\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 90A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 277V\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\u003eWhy this breaker stands out in the field\u003c\/p\u003e\n\u003cp\u003eThe FH16090A is engineered for durability and predictable performance in everyday electrical distribution tasks. With a 277V rating, it accommodates commercial lighting and other higher-voltage branch circuits while delivering precise protection through its thermal-magnetic trip mechanism. Its plug-in design means service crews can swap in a compatible unit without invasive panel work, keeping critical circuits online with minimal downtime.\u003c\/p\u003e \u003cp\u003ePractical considerations for installers and maintainers\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure replacement is for a matching OEM panelboard or load center to preserve fit and protection characteristics.\u003c\/li\u003e \u003cli\u003eUse on circuits where consistent overcurrent and short-circuit protection is needed for safety and equipment longevity.\u003c\/li\u003e \u003cli\u003eMaintain a small inventory of 90A, 277V plug-in breakers for rapid responses to tripped circuits and panel maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355231932578,"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_30cb0cc9-cb2c-416f-a43a-8e666cbc3936.png?v=1764690611","url":"https:\/\/www.ampstate.com\/products\/square-d-fh16090a-90a-277v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}