This circuit breaker is an excellent addition to your electrical equipment and supplies. It is a single-pole unit with a maximum amperage rating of 20A and a voltage rating of 120V. The EATON BR120AF circuit breaker is designed to detect arc faults and interrupt the circuit in case of a fault, making it a safer option for your home or business. It is a reliable and durable unit that will protect your electrical devices from damage due to overcurrent or overvoltage.