{"product_id":"3cu20r-circuit-breaker","title":"3CU20R | Circuit Breaker | 20A | 3-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eThe 3CU20R is a rugged industrial circuit breaker built for dependable protection in demanding environments. With a 20A rating across a 3-pole configuration and a 277V rating, this unit is tailor-made for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the 3CU20R?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact specification match for compatibility:\u003c\/strong\u003e The part number 3CU20R is the clearest reference for ensuring the breaker will fit your panel or distribution setup without surprises.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient maintenance and retrofits:\u003c\/strong\u003e Ideal for upgrading aging gear or replacing failing breakers in 277V systems, helping minimize downtime and keep critical circuits protected.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, practical fit notes:\u003c\/strong\u003e Before ordering, confirm fit and ratings to ensure the 3CU20R aligns with your equipment, panel labeling, and safety requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities performing routine maintenance on 277V distribution networks that require a reliable 3-pole protection device.\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment uses a 3-Pole, 277V breaker and the goal is to restore original protection standards.\u003c\/li\u003e \u003cli\u003eReplacement of a failed or worn 3-pole breaker in commercial or light industrial environments, ensuring continuity of protection for critical loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for a smooth selection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse the part number 3CU20R as the primary reference when verifying compatibility with your panel or switchgear.\u003c\/li\u003e \u003cli\u003eCross-check your system’s voltage (277V) and the 3-Pole configuration to prevent mismatches during installation.\u003c\/li\u003e \u003cli\u003eKeep a record of the exact part number in your maintenance library to simplify future replacements and reduce downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426311426210,"sku":"3CU20R","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\/3cu20r-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}