Technical description
| Mounting | Directly on the damper spindle |
| Damper spindle | 12…20 mm Ø (round spindle), 9…16 mm (square shaft) |
| Max. damper size | 8 m2 |
| Torque | 40 Nm |
| Protection class | IP54 |
RDAB40 – 40 Nm damper actuator without spring return
RDAB40-24, RDAB40-230 and RDAB40-24A are damper actuators for control of dampers in ventiation systems.
Product range
| Control signal | Supply voltage | Running time, actuator | Type |
| On/off | 24 V AC/DC, 7 VA | 150 s | RDAB40-24 |
| On/off | 230 V AC, 7 VA | 150 s | RDAB40-230 |
| 0…10 V DC (working range 2…10 V) | 24 V AC/DC, 7 VA | 150 s | RDAB40-24A |