The system is driven by pulley and steel wire, motor gearbox. Detailed configuration depends on actual application size. Components include motor gearbox with winding drum, pulley and steel wire.
1 Motor grearbox
A. Strong self-braking capability,manual releas edesign for power failure emergency
B. build-in limit switch securing accurate of the ventilation
C. the built-in potentiometer ensures precise positioning feedback
D. thermal protection of moto rprevent smotor work overloading
F. Slow...