{"product_id":"1cu20r-circuit-breaker","title":"1CU20R | Circuit Breaker | 20A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003e1CU20R\u003c\/strong\u003e is a rugged, industrial-grade circuit breaker engineered for reliability in demanding electrical environments. This \u003cstrong\u003e20A\u003c\/strong\u003e, \u003cstrong\u003e1-pole\u003c\/strong\u003e design is rated for \u003cstrong\u003e277V\u003c\/strong\u003e, making it ideal for single-phase commercial circuits and lighting systems where robust protection is essential.\u003c\/p\u003e \u003cp\u003eBuilt for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps you keep panels safe with minimal downtime. The \u003cstrong\u003epart number 1CU20R\u003c\/strong\u003e is the best reference for compatibility—always verify fit and ratings before ordering.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-pole, 277V protection:\u003c\/strong\u003e safeguards a single hot conductor on circuits up to \u003cstrong\u003e20A\u003c\/strong\u003e to prevent overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for retrofit and replacements:\u003c\/strong\u003e an exact match for panels requiring \u003cstrong\u003e1-Pole, 277V, 20A\u003c\/strong\u003e protection, streamlining installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable for commercial environments:\u003c\/strong\u003e designed to perform reliably in industrial and commercial electrical systems with steady protection for critical loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePerfect use cases:\u003c\/strong\u003e routine maintenance on electrical panels, upgrading legacy systems, or replacing worn breakers in commercial facilities where single-phase 277V circuits power lighting, control gear, or auxiliary equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and fit\u003c\/strong\u003e: to ensure proper operation, check that your panel labeling indicates 1-Pole, 277V, 20A compatibility and use the 1CU20R as the definitive reference part number.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003eAmperage: \u003cstrong\u003e20A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e1-Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e277V\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen installing, follow standard electrical safety practices: disconnect power, verify no voltage present, and test the circuit after replacement. With the 1CU20R, you get a straightforward, reliable solution for protecting single-phase loads in commercial and light-industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426304381090,"sku":"1CU20R","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/1cu20r-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}