Bus system AS-Interface, active module upper part AS-i universal module, AS-i interface to FK-E or PG lower parts, 4 inputs / 4 outputs, operating voltage: 26.5...31.6 V DC, total current consumption from AS-i: 230 mA, transistor PNP device connection via cage clamp terminals, contact pins on FK-E or PG lower part, housing material: PA6 GF30 V2A (1.4305)