ELSNER 70380 KNX S1-B2 KNX Actuator- 1 Multifunctional OUT- 2 I

The KNX S1-B2 230 V actuator with integrated facade control consists of a multifunction output, a pair of switches and control LEDs. A drive with an Up/Down control (shutters, awnings, roller shutters, windows) or two operable devices (On/Off, in case of light and ventilation) can be connected to the outlet. The connected drive or devices can be used directly on KNX S1-B2 230 V and by means of a manual switch.