Eaton Cutler-Hammer GDB3020C 3 Pole Circuit Breaker

The Eaton Cutler-Hammer GDB3020C is a 3-pole, 20-amp circuit breaker in the Type GDB family, cataloged as GDB320 in some listings. The device’s model designation, GDB3020C, clearly identifies a 3-pole, 20-amp unit within the GDB lineup.