Nonreversible gearmotors. Ideal to operate windows in greenhouses, stables, sheds and to operate screen handling systems. Olio lubrication; made in aluminum, impregnation treatment against oil leakage even at high internal pressure. Manual maneuver possible using the hexagonal quarry on the posterior side of the motor. Available in the standard version with three phase motor 400/230 volts or single phase 230 volts 50 Hz. Special motorizations are available under request.