{"product_id":"eaton-wms1c05","title":"Eaton WMS1C05 5A 1-Pole 277 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Eaton WMS1C05 5A 1-Pole 277 V Circuit Breaker is a compact, reliable protection device designed to safeguard individual 277-volt circuits in commercial and light industrial electrical systems. With a precise 5-amp rating and a single-pole design, this breaker interrupts fault currents to prevent damage to wiring and connected equipment, while fitting neatly into standard Eaton panels.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 5 A\u003c\/li\u003e \u003cli\u003ePoles: 1\u003c\/li\u003e \u003cli\u003eVoltage rating: 277 V\u003c\/li\u003e \u003cli\u003ePart number: WMS1C05\u003c\/li\u003e \u003cli\u003eBrand: Eaton\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is especially well-suited for 277V lighting circuits, small fans, pumps, or ballast loads commonly found in offices, retail spaces, and warehouses. If you’re upgrading an older panel or refreshing a panel schedule, the WMS1C05 provides reliable, predictable performance for protecting sensitive loads without unnecessary interruptions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this unit stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact 5-amp protection tailored to light-load circuits, helping prevent nuisance trips on modest but important equipment\u003c\/li\u003e \u003cli\u003eSingle-pole design minimizes space usage while delivering dependable overcurrent protection in 277V systems\u003c\/li\u003e \u003cli\u003eBacked by Eaton’s long-standing track record in electrical safety and distribution protection\u003c\/li\u003e \u003cli\u003eSpecifically engineered for compatibility with Eaton WMS-series panels and configurations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips and use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse for dedicated 277V lighting circuits in commercial buildings to keep other circuits running smoothly during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003eIdeal replacement for worn or trip-prone breakers on compatible Eaton panels, restoring stable protection without changing downstream wiring.\u003c\/li\u003e \u003cli\u003eLabel protected loads clearly on the panel to avoid confusion during troubleshooting or inspections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re outfitting a new installation or upgrading an existing Eaton system, the WMS1C05 delivers focused, dependable protection for 277V circuits with a straightforward, dependable design you can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423639556258,"sku":"WMS1C05","price":510.0,"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\/eaton-wms1c05","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}