Eaton GMCP030H1CDRA3 Circuit Breaker, 30A, 3-Pole, 480V

Eaton GMCP030H1CDRA3 is a rugged, industrial-grade circuit breaker designed to protect and simplify power distribution in demanding environments. With a 30-amp rating and a 3-pole configuration for three-phase 480V systems, this breaker delivers reliable overcurrent protection for motors, feeders, and other critical equipment found in manufacturing floors, switchgear, and control panels.

Designed for service, maintenance, and replacement projects, this part number GMCP030H1CDRA3 helps ensure you’re selecting an exact-fit component for your Eaton-based installations. The 3-pole design ensures synchronized tripping across all phases, reducing the risk of damaging partial energization during faults and enhancing overall system safety.

Key advantages

• Three-pole configuration provides coordinated shutdown on three-phase circuits
• Suitable for 480V industrial power distribution and motor circuits
• Precise 30A protection to guard wiring, controls, and downstream devices
• Exact part number GMCP030H1CDRA3 ensures compatibility with Eaton panels and compatible equipment

Specifications at a glance

• Manufacturer: Eaton
• Part Number: GMCP030H1CDRA3
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 3
• Voltage: 480V

Ideal use cases

• Industrial service panels undergoing routine maintenance or upgrades
• Replacement of worn or failed three-phase breakers in manufacturing lines
• Motor control centers and distribution panels that run on 480V three-phase power
• OEM equipment enclosures where a precise Eaton-compatible breaker is required

Compatibility and installation notes: Verify fit by part number GMCP030H1CDRA3 against your application requirements. If you’re unsure about compatibility with your specific panel or system, we can assist—send a message and we’ll help confirm the right fit for your project.