... electromotor, gearbox, T shape screw nut as linear thruster, control box integration, manual handel, local digital display, local operation buttons ... : we offer On-Off duty, pulse control and 4~20mA modulating duty.. l Power supply: single phase 220V/AC, 3 ... : The peripheral protection circuit shut off the main power when main control weak current system is malfunctioned. Therefore, it avoids ...