Roller shutter actuator 4-way AC 230 V with manual operation for KNX REG plus Features: Roller shutter actuator with manual operation and status display for each output. With integrated bus connection. For controlling electrically operated roller shutters for mains voltage AC 230 V (4-channel). Connection of various external conductors. Independent control of the four roller shutter outputs. Roller shutter position can be controlled directly. Behavior in the event of bus voltage failure and return can be set. Position feedback. Active or passive (object can be read out) cyclical feedback functions. Assignments to up to five different safety functions (three wind alarms, one rain alarm, one frost alarm), optionally with cyclical monitoring. Construction site operation: Outputs can be operated manually without bus voltage, only with the operating voltage. Notes: VDE approval in accordance with EN 60669-1, EN 60669-2-1. Installation on DIN rail.