The Cutler-Hammer HMCP003A0C is a 3 amp, 600 volt circuit breaker with a bolt-on mounting style. It is a molded case circuit breaker with a reset actuator type of button. This circuit breaker is designed for industrial use and is manufactured in the United States. With a voltage rating of 600 VAC and 3 poles, it is a reliable and high-quality electrical component for various applications.