The EP-45 engine gearboxes are maintenance-free, compact drive units for MOTOR WORM GEARBOXES FOR GREENHOUSE GW80 CHAIN COUPLING operating ventilation, screen and flap ventilation systems in greenhouses and livestock houses. The EP-45 electric motor gearboxes are 
designed to function at ambient temperature ranges between 0 and 60 °C.
All EP-45 motor gearboxes feature a self-braking worm equipment transmission. The EP- engine gearbox’s self-braking worm equipment transmission means that the result shaft is certainly braked when the drive device is stopped. The combination of thoroughly matched pinion and worm reductions results in a very quiet mechanical transmission.
The EP-45 engine gearboxes include a patented integrated linear limit-switch system with duty and safety switches having excellent switching precision. The utmost switching selection of the limit-switch program equates to 97 revolutions of the drive shaft. The optional RPU PositioningUnit accurately monitors the current position of a drive program and transmits this data back again to your climate pc or controller. This position feedback may also be attained using an installation established with a potentiometer.
The EP-45 motor gearboxes are finished with a graphite grey powder coating and so are supplied including fixing bolts and spring washers.