actuators: with return spring
TF – 2 Nm
Actuator for air dampers with return spring. It is intended for the control of dampers in building installations and enables the implementation of safety functions.
– for dampers with an area up to approx. 0.4 m2
– torque of 2 Nm
– AC 24 V rated voltage
– 3-point control
| Type | with return spring |
| Actuator | rotary |
| Power [V] | 230 (AC), 48 (DC), 24 (AC/DC), 24 (AC) – depends on type and version |
| Control | 3-point, on / off, analog, digital, PWM (impulse width modulation) |
| Torque [Nm] | 2 (nom) |
| Max. rotary angle [°] | 95 |
| Run time for angle / stroke [s] | <75-150 (motor); <25 (spring) |
| Clamping for the damper axis [mm] | 6-12 |
| Damper surface [m2] | up to 0.4 (multileaf damper with air flow up to 8 m / s) |
| Protection class | IP 54 |
| environment temp. [°C] | from -30 to +50 |
| Warranty | 5 years |
