Square D EDB14020, 277 Volt AC, 20 Amp, 1-Pole Circuit BreakerCondition:* Used Take-Outs (Installed, But Never Energized). Sorry, Unable To Test. As Pictured.Additional Notes:* Rated Voltage: 277 Volt AC* Rated Current: 20 Amps* Number of Poles: 1* Wire Range: 14-6 Gauge Copper/Aluminum* Temperature Rating: 104F (40C)* Interrupting Rating: 120 Volt AC: 25kA 240 Volt AC: 18kA 277 Volt AC: 18kA* Mounting: Bolt-OnSquare DEDB14020