The Eaton GFTCB220 is a 20 amp, 2 pole circuit breaker with ground fault protection. It is designed as a main breaker and is rated for a maximum amperage of 20A. With a voltage range of 101-150V, this black circuit breaker is ideal for protecting electrical circuits in industrial and commercial settings. The Eaton GFTCB220 model offers reliable and efficient protection against ground faults, making it a valuable component for ensuring safety in electrical systems.