{"product_id":"1cu30l-circuit-breaker","title":"1CU30L | Circuit Breaker | 30A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the 1CU30L Circuit Breaker—a rugged, industrial-grade solution engineered for reliable protection of 277V single-pole circuits. With a 30A rating, this breaker is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter and quick, secure compatibility is essential.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the 1CU30L?\u003c\/strong\u003e It delivers consistent overcurrent protection for commercial and light industrial applications that run on 277V, helping prevent electrical faults from cascading into equipment damage or downtime. The 1-pole design is ideal for single hot-leg circuits in panel boards, lighting runs, and motor control circuits where a compact, straightforward protective device is required.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole (single-pole) configuration\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277V AC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUsage:\u003c\/strong\u003e Maintenance, retrofit, and replacement to match system requirements\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e The part number 1CU30L is the best guide for matching with your panel or enclosure\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading aging control panels in facilities powered by 277V distribution where a 30A, single-pole breaker is required.\u003c\/li\u003e \u003cli\u003eReplacing a failed or obsolete breaker in a retrofit project to restore protected circuits without altering the overall electrical design.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios where quick swap-in compatibility minimizes downtime and ensures consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems does it solve?\u003c\/strong\u003e It provides trusted overcurrent protection for a single leg of a 277V system, helping to:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrevent equipment damage from short circuits or overloads\u003c\/li\u003e \u003cli\u003eReduce unplanned downtime due to circuit interruptions\u003c\/li\u003e \u003cli\u003eMaintain safety and reliability in everyday commercial operations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and compatibility tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering—the 1CU30L is designed to match specific panels and catalogs, and the part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eEnsure the target circuit operates at 277V and that a 30A single-pole protection aligns with your wiring and load requirements.\u003c\/li\u003e \u003cli\u003ePrepare for standard safety practices: de-energize equipment, verify absence of voltage, and follow local electrical codes during installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who value precision, reliability, and straightforward upgrading of 277V circuits, the 1CU30L is a practical choice for keeping essential systems—lighting, HVAC control, and equipment feeders—protected and running smoothly. Add it to your cart to ensure you have the exact part on hand for timely maintenance and dependable operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426308804770,"sku":"1CU30L","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\/1cu30l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}