1CU10L | Circuit Breaker | 10A | 1-Pole | 277V

Industrial-grade protection, precisely where you need it. The 1CU10L is a dedicated 1-pole circuit breaker designed for 277V systems, offering reliable overcurrent protection in maintenance, retrofit, and replacement projects. Identified by part number 1CU10L, this breaker provides a straightforward path to restoring safe, continuous power in commercial and industrial panels. Key specifications at a glance

• Amperage: 10A
• Pole configuration: 1-Pole
• Voltage rating: 277V

Why this breaker stands out

• Precision matching for 277V circuits: The 1CU10L is purpose-built for single-conductor protection in 277V environments, making it a dependable choice for lighting loads, control circuits, and auxiliary equipment fed from higher voltage distribution systems.
• Compact, one-pole design: Designed to fit standard industrial panels without crowding adjacent devices, this breaker preserves panel space while delivering targeted protection.
• Clear compatibility reference: In the field, compatibility hinges on the part number. The 1CU10L designation is the best reference to confirm fit and ratings before ordering, reducing the guesswork in maintenance and retrofit programs.
• Maintenance, retrofit, and replacement friendly: When upgrading or restoring circuits, this 10A, 1-pole unit provides familiar protection characteristics with straightforward sourcing via its established part number.

Practical use cases and who benefits - Maintenance technicians implementing targeted protection for 277V control or lighting circuits within industrial facilities. - Retrofit projects updating legacy panels to modern, pass-fail protection standards while preserving existing wiring and terminations. - Replacement scenarios where a matching 1-pole, 10A device is required to restore safe operation without redesigning the electrical layout. What to know before ordering - Always confirm fit and ratings for your specific panel and circuit requirements. The 1CU10L part number is your best reference for compatibility, ensuring the device will trip as intended under fault conditions. - Ideal for single-conductor protection in 277V distribution paths, where a compact, reliable protective device is essential. With the 1CU10L, you get focused protection for 277V circuits, a space-conscious form factor, and a clear path to compatibility through the established part number. This is the practical, no-surprises choice for maintaining safe, reliable electrical performance in demanding industrial environments.