Several vent motor-gear boxes and Shade Motor Gearboxes are available for venting, shading and side vents for glass and poly houses. Motors are available for 120 volts, 220 volts, 208 volt 3 phase and 575 volts 3 phase. The motor control Panels are available to control two vent or shade motors per panel and can accommodate single phase or three phase motors. The control panels are also available to control one motor per panel. Each panel is equipped with 24 volt relays to control the high voltage interlocked contractors.