Description

 Features:
roller shutter opened and closed by the power-driven operation.
limit switch unit enables precise adjustment of door in both up and down position.
in case in the absence of power, a release chain can be operated door manually.
powerful strength. Overheat protection when overloaded.
one-phase rolling dooe motor has the capacitance device which automatically discharge for security overhaul.
easy installation, low noise and small power consumption.