Eaton CHFN120GF Ground Fault Type CH Circuit Breaker, 10 kA/C, 120/240V, 20AAutomatically senses hot wire to ground faults and shuts off the power. Auto monitoring function provides periodic automatic testing of GFCI. Indicates an alert when the self test detects that GFCI protection might be compromised. Amperage Rating: 20 A Voltage: 120 240 VAC Number of Poles: 1 Type: CH Wire Size: 14 6 AWG Interrupt Rating: 10 kA Mounting Type: Plug on Automatically senses hot wire to ground faults and shuts off the power Auto monitoring