Allen-Bradley 140MG-G8P-C30 Circuit Breaker, 30A, 3-Pole

The Allen-Bradley 140MG-G8P-C30 circuit breaker is an industrial-grade safeguard built for reliability in service, maintenance, and replacement projects. This 30 A, 3-pole unit provides solid 3-phase protection for equipment and feeders in demanding environments, helping you keep critical systems online with minimal risk of faulted downstream equipment.

Why this breaker stands out

• Three-pole design for 3‑phase systems: Specifically suited to protect 3-phase motors, panelboards, and feeders common in manufacturing and processing facilities.
• Clear 30 A protection: Precise amperage rating to coordinate with motor starters and downstream protection, helping optimize system performance and uptime.
• Part-number accuracy for compatibility: Use the exact part 140MG-G8P-C30 to confirm fit with your application requirements and existing panels or MCCs.
• Industrial service, maintenance, and replacement use: A dependable choice for ongoing maintenance cycles, equipment upgrades, and spare-parts inventories in rugged environments.

Ideal use cases

• Installing or upgrading 3-phase motor drives, conveyors, pumps, fans, or processing equipment in manufacturing plants.
• Replacing aging or failed breakers in control panels, motor control centers (MCCs), and switchgear assemblies.
• Stocking a reliable, field-proven component for emergency replacements and routine maintenance windows.

Compatibility and support

Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility with your panel or equipment? Message us and we’ll assist in validating the fit for your specific installation.

Technical snapshot

• Manufacturer: Allen-Bradley
• Part Number: 140MG-G8P-C30
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 3