KNX Switch Actuator 4-fold, 2SU MDRC, 16 A, 230 V AC, compact, 70 mF, 10 ECG, Fan coil.
Compact Switch Actuator with bistable relays. Current max. 16 A with ohmic load, 70 mF / 10 ECG.
Fan coil mode: Control of 3-/4-speed fans/ventilator convectors. Additional switching output at 3-speed operation.
Outputs are interlocked. Direct operation by three 1 Bit objects or a single 1 Bit object (+/-). Automatic operation by 1 Byte control value (0-100 %).
Suitable for 2-pipe systems and 4-pipe systems.
Output objects to control valves for heating/cooling. Day/Night function to limit fan speed at night. Emergency operation if variable fails.KNX Switch Actuator mode: NO and NC contact operation. Time functions (switch-on/switch-off delay). Staircase light function with adjustable warning time. Status response (active/passive) for each channel.
Logical linking of binary data, 8 scenes per channel. Central switching functions and block functions. Adjustable behaviour in case of bus voltage failure or return.
Quick application download (long frame support for ETS5).