Terminal optocoupler, in 24VDC input voltage, output voltage of 48Vdc 3 ..., Maximum Load Current 100mA, 2,5 kV test voltage / 1min at 50Hz, Operating temperature -20 ... + 60 ° C, IEC Regulating 60 664 / to IEC 60 664 / VDE 0110, type DEK-OE- 24DC / 48DC / 100, Phoenix Contact.