AM1-B0-34-620-501-C is a single-pole hydraulic-magnetic circuit breaker from the Carling Technologies A-Series, designed for precise overcurrent protection. This circuit breaker features a handle actuator (one per pole), series trip (current) circuit configuration, and DC medium frequency delay characteristics. It is rated for 20 amps and operates at a maximum voltage of 277VAC 50/60 Hz or 80VDC, with a maximum interrupting capacity of 7,500 amps. The compact design makes it suitable for marine, telecom, renewable energy, industrial automation, medical equipment, and commercial food applications where reliable circuit protection is essential.