sectional door opener

Main functions and characteristics The motor can be used for sectional door with balance system. The characteristic: l Special design of lesser size structure with strong driving power. l Suitable for small spaces and easier to install l The door can be lifted up to 6 meters high; l 4 limit switches for setting operational spaces, and 2 extra limit switches can be used for special function. l Overheat protection when the motor¡¯s temperature over 130¡æ, l Two manual modes design: hand chain and hand crank manual operation. l Safety interlock device between electric mode and manual mode, Manual mode can be used when there is power failure. l External connection for infrared photocell, The control panel has a set of peripheral plugholes, which is for using to connect the safety device such as the infrared protection¡¢electric wave pressure switches or other protection. The operator can be installed to both Left and Right sides. This operator comes with high-grade lubrication and it is maintenance free. This operator can be used for the garage door, industrial doors, rolling shutters£¬involving the residential, commercial and industrial sectors. Industrial door operator--GKH2 GKH2 series of drives are designed for sectional doors without springs and roll shutter doors and high speed doors GKH2 drives for sectional doors without springs 120/19 140/17 170/17 120/24 140/24 170/24 100/19 Rated torque Nm 120140170120140170100Rated speed r/min 19191924242419Motor power Kw 0.650.650.750.750.851.10.65Operating voltage v 400400400400400400230Mains frequency Hz 50505050505050Control voltage DC24242424242424Motor current rating A 2.32..452.62.452.62.76.5Duty cycl e %40404040404025Limit switch range r 18181818181818Protection grade IP 54545454545454Temperature range ¡æ -20/+60-20/+60-20/+60-20/+60-20/+60-20/+60-20/+60Continuous sound pressure level dB <65<65<65<65<65<65<68Sleeve shaft mm 30 /31.7530 /31.7530 /31.7530 /31.7530 /31.7530 /31.75 30 / 31.75