Product description
Feartures:
1. Rolling shutter opened and closed by the power-driven operation;
2. Limit switch unit enables precise adjustment of door in both up and down positin.
3. In case in the absence of powerm a release chain can be operated door manually;
4. Powerful strength, overhear protection when overloaded;
5. One-phase rolling door motor has the capacitance automatic discharge device for security overhaul;
6. Easy installation, low noise, small power consumption.