Legrand residual current circuit breaker TX3, type A, for alternating and pulsating direct residual currents. In accordance with VDE 0664-10, EN 61008-1, undelayed, 4-pole, rated current In 40 A, rated residual current Idn 30 mA, rated voltage Un 400 VAC, rated frequency 50 Hz, rated short-circuit current 10 kA with suitable back-up fuse, surge current resistant up to 250 A, fastening to top hat rail EN 60715 using snap-in fastenings, clear information on the front of each device, clear red/green switch position indicator on the switch lever (lockable), with labeling window, with protection against misplacement for safe insertion of the conductor into the elevator terminal, attachment of auxiliary devices possible.