24v dc roller door motor DC24V,60W,2500RPM S1,B CLASS,IP20,40 VE:AC660V,1S,5mA Ambient request:RoHs 4000H,2500H 24v dc ... , our main products are: gear motors, three phase motors, speed control motors, brake motors, damping motors, torque motors, and DC gear ... start to produce small series AC gear motor;2007 start to produce planetary gearbox and BLDC motor;ZD is the first draft-man ...