The Square D EGB14020 is a 1 Pole thermal magnetic molded case circuit breaker with a current rating of 20 Amps and a voltage rating of 277VAC. It has an interrupting rating of 35kAIC at 480V. The EGB14020 has a bolt-on connection type and includes long time and instantaneous trip functions. This breaker installs into the Square D NF-style panel.