• High Torque
• Overheat protection
• Limit switch unit enables precise adjustment of door in both up and down positions
• Electric and manual Operation
• Release chain in case of power failure
• Built-in control panel (WG500C, WG600C,WM500)
• Control panel supports infrared photocells, alarm lamp, and remote control
• Safety device for preventing vehicles damage or personal injury in the case of a roller chain break

Chain break protection device

WM500

WM500A

WJ500/WJ500AU/WJ600

WJ500C/WJ500U/WJ600C

WJ1000