{"product_id":"square-d-fab14020b","title":"Square D FAB14020B 20A 1-Pole 277 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D FAB14020B 20A 1-Pole 277 V Circuit Breaker is a reliable protective device designed for commercial and industrial electrical panels. With a 20-amp current rating and a single-pole configuration, this breaker guards 277-volt circuits against overloads and short circuits, helping keep wiring and equipment safe in demanding environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted protection for single-phase circuits:\u003c\/strong\u003e 1-pole design interrupts the hot conductor quickly to prevent damage from overloads or short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 20-amp current rating:\u003c\/strong\u003e Prevents nuisance trips on normal loads while safeguarding wiring and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e277 V capability:\u003c\/strong\u003e Engineered to operate safely in 277V distribution networks common in commercial buildings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, trusted build:\u003c\/strong\u003e Square D craftsmanship with robust materials for long-term reliability in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy panel integration:\u003c\/strong\u003e Designed to fit compatible Square D panels that accept FAB-series breakers, ensuring smooth replacement or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and scenarios:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCommercial lighting circuits in offices, retail spaces, and educational facilities powered by 277V systems.\u003c\/li\u003e \u003cli\u003eProtection for small-to-medium electrical loads in warehouses and data centers that rely on 277V distribution.\u003c\/li\u003e \u003cli\u003eA straightforward replacement for legacy breakers in panels compatible with FAB family units.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eChoosing a 20A, 1-Pole FAB14020B ensures fast interruption during faults, reducing wiring damage, equipment downtime, and safety risks.\u003c\/li\u003e \u003cli\u003eBeing a Square D device, it integrates with familiar panel layouts and labeling, helping electricians and facility managers maintain organized, compliant electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways shut off the main breaker and verify there is no voltage at the panel before handling the breaker.\u003c\/li\u003e \u003cli\u003eConfirm that your panel supports FAB-series breakers and that the labeling matches the FAB14020B part number.\u003c\/li\u003e \u003cli\u003eFollow the panel manufacturer's torque specifications and local electrical codes during installation and replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to protect your 277V circuits with a trusted, purpose-built solution? The Square D FAB14020B 20A 1-Pole 277 V Circuit Breaker delivers reliable protection in a compact form factor, backed by Square D’s engineering heritage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423581163682,"sku":"FAB14020B","price":607.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-fab14020b","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}