Ensure premium overload protection with the CUTLER-HAMMER GBH1020 circuit breaker. This thermal-magnetic breaker features a single pole and a 20-amp rating, designed for 347-volt applications. It is a bolt-on type, offering reliable performance and a trip flag to clearly indicate when the breaker has tripped..The CUTLER-HAMMER GBH1020 is a single-pole, thermal-magnetic circuit breaker with a 20-amp rating and a voltage rating of 347 VAC. It features a bolt-on mounting style and non-interchangeable trip units. The breaker has an interrupt rating of 10 kAIC and is CSA C22.2 certified. It also supports 125 VDC.