Equipped with a powerful550W/750W motor, which is designed for tough use, it can drive doors with a maximum weight of1200KG/2000KG ! To increase safety and convenience, there is a manual opening construction so that you can close the door even in the event of a power failure.
eBay
1pc Black Punch Free Automatic Sensor Door Closer Automatic Shutdown Device Non Punching Telescopic Sliding Door Device
Aliexpress UK
Specification: Material: Plastic, aluminum Color: silver & black Voltage: 220V AC, 50/60Hz Motor Power: 550W Motor Speed: 1400r/min Maximum load: 1200kg/2600lbs Output Torque: 26N.
eBay
Automatic Perforation-free Door and Closet Drawer Sliding Door Closers with Hook Quick Installation for Automatic Closing
Aliexpress UK
eBay
1pc Black Punch Free Automatic Sensor Door Closer Automatic Shutdown Device Non Punching Telescopic Sliding Door Device
Aliexpress UK
Motor Power: 550W. When in power failure, get the clutch disengaged through the disengage key(turn 90° clockwise), this machine will to be effected manually to open or close the gate. 8 Racks (length:0.5m/rack).
eBay
1pc Black Punch Free Automatic Sensor Door Closer Automatic Shutdown Device Non Punching Telescopic Sliding Door Device
Aliexpress UK
Obstacle avoidance design -- When the door closes, encounter certain obstacle, automatic door can bounce back automatically. Brushless dc motor, fully sealed structure. Small size and high power dc brushless motor, longer than brush motor life, less noise.
eBay
Automatic Drawstring Door Closer, Sliding Door, Office, Bathroom, Bedroom, Household, Simple Silent and Non Punching Door Closer
Aliexpress UK
Motor Power: 750W. When in power failure, get the clutch disengaged through the disengage key(turn 90° clockwise), this machine will to be effected manually to open or close the gate. 8 Racks (length:0.5m/rack).
eBay
Door Automatic Closer Sensor Door Closer 65Mn Tension Extension Spring Sliding Door Spring
Aliexpress UK
Motor Power: 370w. When in power failure, get the clutch disengaged through the disengage key(turn 90° clockwise), this machine will to be effected manually to open or close the gate. It has slow heat generation, stable start, high safety, waterproof, explosion-proof and so on.
eBay
Door Automatic Closer Sensor Door Closer 65Mn Tension Extension Spring Sliding Door Spring
Aliexpress UK
Specification: Material: Plastic, aluminum Voltage: 220V AC, 50/60Hz Motor Power: 550W Motor Speed: 1400r/min Maximum load: 1200kg/2600lbs Output Torque: 26N.
eBay
Automatic Door Closers Sliding Door Hydraulic Buffer Household Closing Spring Iron Door Handy Artifact Free Punching
Aliexpress UK