The GFL2B05030S from Altech is DIN rail mount circuit breaker (ground fault protection) GFL series with 2 pole, B trip characteristic and 30mA ground fault sensitivity level. This circuit breaker has 5A current rating, 120/240VAC voltage rating and 50/60Hz rated frequency. Designed to provide protection against short circuits, overloads, AC ground faults (residual current faults) as well as pulsating DC ground faults. Short circuit withstand rating is 10kA.