{"product_id":"square-d-fyb14020b-circuit-breaker","title":"Square D | FYB14020B | Circuit Breaker | 20A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D FYB14020B\u003c\/strong\u003e is a single-pole, 20-amp circuit breaker designed for 277-volt circuits—an essential safety device for commercial and industrial electrical systems. Built for maintenance, retrofit, and replacement, this official Square D part guarantees exact specs and reliable protection for your panel.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\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 \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FYB14020B\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model stands out\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact compatibility aligned with the FYB family—the part number is your best reference for ensuring a proper fit in your panel.\u003c\/li\u003e \u003cli\u003e277V rating makes it ideal for commercial lighting circuits and other 277V applications common in offices, retail spaces, and industrial environments.\u003c\/li\u003e \u003cli\u003eReliable protection in a compact, standard-form factor that fits typical panels used in maintenance and retrofit projects.\u003c\/li\u003e \u003cli\u003eDesigned for straightforward replacements, reducing downtime during service or upgrades and helping you maintain code-compliant safety thresholds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: swap in the FYB14020B to restore overcurrent protection without reconfiguring wiring.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or replace aging breakers in 277V distribution circuits while preserving panel labeling and ratings.\u003c\/li\u003e \u003cli\u003eReplacement: keep a ready-to-go spare on service vehicles for quick, field-safe fixes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring you select the exact breaker needed for your Square D panel and 277V circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426753073314,"sku":"FYB14020B","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fyb14020b-circuit-breaker-20a-1-pole-277v-583.webp?v=1789616615","url":"https:\/\/www.ampstate.com\/products\/square-d-fyb14020b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}