... JD-500-1P) 1. power:250W 2. Max.hoisting height: 6M 3. Max.lifting force: 500kg Remote control rolling door side motor (JD ... , long service life;3.Low noise, small power consumption, little vibration;4.Remote control;5.Limit switch unit enables precise adjustment of ... ;6.Electric and manual operation. Technique parameter MODELRATED POWER(w)LIFTING POWER (kg.f)RATED LOADMAX HEIGHT(m)CHAIN NUMBERNET ...