EATON CHFGFT120CS Series 20A SP GF CH Breaker Ground Fault Circuit Interrupter 20 amp Single Pole It is an Eaton Corporation Cutler Hammer Product It is a 20A Single Pole Ground Fault Circuit Breaker Type CH 3/4" Wide Per Pole Eaton Cutler Hammer 1 Pole 20 amp Gfi gfci Breaker. 20 Amp 1-Pole Self-Test CH Ground Fault Circuit Breaker