Crouse-Hinds MH1020GFU is a 1-pole, 20A, 120V ground fault circuit breaker. As a GFCI device, it protects a single 120-volt circuit from ground faults by interrupting current when an imbalance is detected. The MH1020GFU designation identifies the model’s 20-amp, 120-volt, single-pole configuration within the Crouse-Hinds lineup.
