Legrand FI/LS switch DX3, 4-pole, type A, for alternating and pulsating direct residual currents in accordance with EN 61009-1, VDE 0664-20, undelayed, rated current In 16 A, rated residual current Idn 30 mA.C characteristic, rated voltage Un 400 VAC, rated frequency 50 Hz, rated switching capacity Icn 6 kA, surge current resistant up to 250 A, energy limitation class 3, tripping indicator: yellow = residual current or test button tripping, colorless = short-circuit or manual tripping. Fastening to top hat rail EN 60715 using snap-in quick fasteners, clear information on the front of each device, clear switch position indicator red/green 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.