Legrand miniature circuit breaker DX3 according to EN 60947-2, 2-pole, B characteristic, rated current In 50 A, rated switching capacity 25 kA according to EN 60947-2, rated voltage Un 400 VAC, rated frequency 50/60 Hz, fastening on top hat rail EN 60715 using two snap-in quick fasteners, clear information on the front of each device, clear switch position indicator red/green, with labeling window, with protection against misplacement for safe insertion of the conductor into the elevator terminal, attachment of auxiliary devices possible. Circuit breakers with B characteristics are primarily intended for line protection in lighting and socket circuits.