Allen-Bradley 1492-CB1G050 5A 1-Pole 277 V Circuit Breaker

Meet the Allen-Bradley 1492-CB1G050 — a compact, dependable overcurrent protector engineered for 277-volt circuits. With a precise 5 A rating and a single-pole design, this breaker delivers targeted protection for smaller loads while fitting neatly into demanding industrial and commercial control systems.

Key specifications

• Part Number: 1492-CB1G050
• Current rating: 5 A
• Poles: 1
• Voltage rating: 277 V

Why this breaker stands out

• Reliable protection for low-current loads in 277 V installations, such as lighting runs or control circuits.
• Single-pole design optimizes space in compact panels and control enclosures, helping you maximize available distribution capacity.
• Designed to pair with Allen-Bradley 1492-series components, offering a consistent mounting footprint and straightforward interchangeability within compatible systems.
• Simple, dependable replacement option when upgrading or maintaining existing 277 V circuits.

Ideal use cases

• 277 V lighting and small-load circuits in warehouses, offices, or industrial facilities.
• Control panels for automation equipment where a dedicated 5 A protection device is required.
• Branch-circuit protection in 277 V distribution networks that demand reliable, easy-to-source components.

Installation and best practices

• Ensure compatibility with your panel or enclosure that accepts 1492-series breakers and follows the manufacturer’s mounting guidelines.
• Confirm the protected load does not exceed the 5 A rating to maintain proper overcurrent protection.
• Refer to standard electrical safety practices during installation, and verify all connections are secure and properly torque-limited per applicable standards.

Whether you’re replacing a worn breaker or building out a 277 V circuit, the Allen-Bradley 1492-CB1G050 5A 1-Pole 277 V circuit breaker provides focused protection with the trust and compatibility that professionals rely on in industrial and commercial environments.