1CU20L | Circuit Breaker | 20A | 1-Pole | 277V

Meet the 1CU20L, an industrial-grade circuit breaker engineered for reliability in 277V distribution networks. This 1-Pole, 20A unit is designed to simplify maintenance, retrofit, and replacement projects where precise specifications matter, with the part number 1CU20L serving as the clearest reference for compatibility.

Key specifications

• Amperage: 20A
• Poles: 1-Pole
• Voltage: 277V
• Designed for industrial and commercial electrical environments

Why choose the 1CU20L

• Industrial-grade protection tailored for 277V circuits, making it ideal for lighting, feeders, and control circuits in commercial settings.
• Single-pole design simplifies replacement in panels that require one hot leg protection, reducing downtime during service or upgrades.
• Part-number clarity: referencing 1CU20L ensures you’re selecting a breaker that matches your panel’s specifications and labeling.
• Specifically suited for maintenance, retrofit, and replacement tasks where matching amperage, voltage, and form factor matters.

Ideal use cases

• 277V lighting distribution and control circuits in office complexes, schools, and retail spaces
• Retrofits or upgrades to bring older panels up to current 1-Pole, 277V protection standards
• New installations that require a dedicated 20A, 1-Pole breaker in 277V systems

Installation and compatibility tips

• Before ordering, confirm fit and ratings directly against your panel’s manufacturer specifications.
• Match the 1CU20L to the panel’s required form factor and labeling to ensure a seamless swap.
• Follow standard electrical safety practices: disconnect power, verify absence of voltage, and use appropriate tools and PPE.
• Keep the exact reference handy during procurement—the 1CU20L designation is your best guide to compatibility.

Secure, reliable protection for your 277V circuits starts with the 1CU20L.