Protect your electrical system with the Eaton Cutler-Hammer GBH3020 Circuit Breaker. This thermal-magnetic breaker offers reliable overload protection and features a trip flag to clearly indicate when a trip has occurred, preventing nuisance callbacks. Designed for three-phase applications, it provides robust performance for demanding environments..The Eaton GBH3020 is a three-pole, thermal-magnetic circuit breaker with a 20 Amp rating. It operates at a voltage of 600Y/347 Vac and 125/250 Vdc. This G-frame breaker features non-interchangeable trip units and a 10 kAIC interrupt rating. Its dimensions are 6.6 inches in length, 4 inches in height, and 3.8 inches in width, with a weight of 1.75 lbs. It is CSA C22.2 certified and designed for bolt-on installation.