Non-fail-safe actuators
Standard rotary actuators for control and shut-off dampers in ventilation systems. On power failure they stay in their last position. They clamp onto the damper shaft with a universal clamp; manual override is by a push-button on the housing.
Actuator series
CM
Compact 2 Nm actuator for small dampers and VAV boxes, L / R variants by mounting direction.
LM
5 Nm for dampers up to approx. 1 m². The most common choice in comfort ventilation.
NM
10 Nm for dampers up to approx. 2 m².
SM
20 Nm for dampers up to approx. 4 m².
GM
40 Nm for large dampers up to approx. 8 m².
Suffixes
-S auxiliary switches, SR modulating 2…10 V, MP MP-Bus, MOD BACnet / Modbus, KNX. -TP versions with connector and terminal block.
Product sorting
List of products
What to look for when choosing
Damper size
Choose the torque by the damper area and the damper manufacturer's data, with some headroom.
24 V or 230 V
24 in the name = AC/DC 24 V, 230 = AC 100…240 V.
Signal
No suffix open/close / 3-point, SR modulating 2…10 V, MP and MOD communicative.