For the control of air dampers that perform safety functions in frost, smoke or hygiene applications.

The motor moves the damper to its normal operating position while tensioning the return spring which returns the damper to its safe position should the power supply be interrupted
Brushless motors ensure a service life of 60000 operations
Can be installed with pre-tensioned spring
Manual winding and integral position fixing option allows installation and functional monitoring without electrical connection
Adjustable U-clamp accepts round or square shafts
Direction selector
IP54 rated
150s motor run time
1m pre-wired cable
Stock nos. 824-749 & 824-755 feature an integrated 2xSPDT 6 (3)A 250Vac auxiliary switch