Description
KNX Switch Actuator 4-fold, 2SU MDRC, 16 A, 230 V AC, compact, Fan coil. Compact Switch Actuator with bistable relays. Current max. 16 A with ohmic load, 70 ?F / 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 behavior in case of bus voltage failure or return. Quick application download (long frame support for ETS5). 3 year warranty.