The EP-45 engine gearboxes are maintenance-free, compact drive units for operating ventilation, display screen and flap ventilation systems in greenhouses and livestock houses. The EP-45 motor gearboxes are designed to run at ambient temps between 0 and 60 °C.
All EP-45 electric motor gearboxes include a self-braking worm gear transmission. The EP- engine gearbox’s self-braking worm gear transmission ensures that the result shaft can be braked when the drive device is stopped. The combination of carefully matched pinion 
and worm MOTOR WORM GEARBOXES FOR GREENHOUSE GW80 CHAIN COUPLING reductions results in an exceedingly quiet mechanical transmission.
The EP-45 motor gearboxes include a patented integrated linear limit-switch system with duty and safety switches having excellent switching precision. The utmost switching range of the limit-switch system compatible 97 revolutions of the drive shaft. The optional RPU PositioningUnit accurately monitors the existing position of a drive system and transmits this data back to your climate pc or controller. This position feedback may also be accomplished using an installation arranged 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.