Cutler-Hammer HMCP003A0CA02 - 3A, 600VAC, 3-Pole, Circuit Breaker

The Cutler-Hammer HMCP003A0CA02 is a compact, dependable three-pole circuit breaker engineered for demanding electrical environments. With a 3A current rating and a 600VAC maximum voltage, this device delivers precise overcurrent protection for three-phase circuits in panelboards, switchboards, and control panels. Built by Cutler-Hammer, it combines robust construction with reliable performance, helping you safeguard motors, controls, and other critical loads in industrial and commercial settings.

Key specifications

• Current rating: 3A
• Voltage rating: up to 600VAC
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Model: HMCP003A0CA02

Why a 3-pole design matters for your system

In three-phase power distributions, a 3-pole breaker interrupts all three conductors simultaneously. This synchronized disconnection minimizes arc risks, prevents partial de-energization of circuits, and provides dependable protection for motors, drives, and control circuits that rely on balanced, multi-line protection. The HMCP003A0CA02 is tailored for panelboards and motor control centers where rapid, coordinated shutoff can mean the difference between a minor fault and a costly equipment shutdown.

Ideal use scenarios

• Industrial and commercial panelboards requiring reliable three-phase protection for distribution circuits
• Switchboards and control panels that manage motors, conveyors, pumps, or processing equipment
• Motor control centers where compact, centralized protection simplifies wiring and maintenance
• OEM applications that demand a proven 3-pole solution with a clear current rating of 3A

What sets this breaker apart

• Precise protection for three-phase systems: The 3-pole configuration ensures all phases are protected and de-energized together, enhancing safety and minimizing fault conditions.
• Industrial-grade reliability: Designed by Cutler-Hammer, a trusted name in electrical protection, for steady performance in demanding environments.
• Compact, versatile footprint: Suits a range of panelboard and control-panel layouts without sacrificing protection or ease of installation.
• Clear, actionable specs: With a defined 3A rating and 600VAC capability, you can match the device precisely to your circuit’s needs and standards.

Practical considerations and setup tips

To maximize safety and uptime, pair the HMCP003A0CA02 with compatible three-phase bus configurations and enclosure hardware. Verify that your distribution panels and motor control centers are designed to accommodate a 3-Pole circuit breaker of this rating, and ensure wiring practices follow local electrical codes and manufacturer recommendations. In maintenance windows, test circuits to confirm smooth tripping behavior and inspect terminal connections for tightness and corrosion resistance.

Who benefits most

This breaker is ideal for facilities and equipment operators who require dependable three-phase protection in compact form factors. It suits industrial plants, commercial facilities with three-phase loads, and OEM environments where a proven 3A, 600VAC solution supports reliable operation of motors, drives, and control circuits.