KNX IO 546 [5315] : Compact dimming/switching actuator with 1 dimming channel for the connection of active electronic ballasts with a 0/1..10V interface and one relay output / the relay output can be used to switch the load / output for 0/1..10 VDC / max. 50 mA / Relay 230 VAC / 8 A / bi-stable / 1 TE (18 mm)