rolling door motor:

JD series of rolling shutter motors applied to shopping centers, warehouses, garages, theaters, hotels, banks, factories and other buildings, rolling shutter doors opening and closing, with electric and manual function.

Roller shutter doors opening and closing operation are power-driven, the up and down stroke was automatic controlled by limit switch. Accurate and reliable positioning, opening and closing security.

Equipped with a motor winding overheating protection device, it will automatically cut off power supply when the temperature reaches 110 °,so as to protect the motors from being burned,and the device can start again when the temperature dropped to 70 ° (after about 8min).