Operating indicator lamp
for status indication. Device on/off.
The desired speed is set via the integrated 5-step switch. Devices with two adjustable speeds or devices with 0-10 V control can also be supplied.
1~ units: 65 - 110 - 135 - 170 - 230 V
3~ units: 95 - 145 - 190 - 240 - 400 V
Please refer to the respective device connection diagram, depending on model.
For external, floating contact to issue an authorisation for the preselected step (on/off); e.g. connect room thermostat SRE1G.
Digital input for frost protection
For external, floating contact. If a frost protection thermostat responds, the device switches off. Resetting to switch position 0 required to restore.
Integrated motor protection function
Connection facility for thermostat "TB"
Switched output in operation
Switched phase 1~ 230 V, max. 1 A, e.g. for damper servo-motor.
Floating change-over relay, max. load 250 V AC, 2 A, to control external devices.
Interference emission according to EN 61000-6-3 (domestic)
Interference immunity according to EN 61000-6-2 (industrial)