The EP-45 engine gearboxes are maintenance-free, compact drive units for operating ventilation, display and flap ventilation systems in greenhouses and livestock houses. The EP-45 engine gearboxes are made to operate at ambient temperatures between 0 and 60 °C.
All EP-45 engine gearboxes include a self-braking worm gear transmission. The EP- motor gearbox’s self-braking worm gear transmission means that the result shaft is definitely braked when the drive device is stopped. The combination of carefully matched pinion and worm reductions outcomes 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 maximum switching range of 
the limit-switch program compatible 97 revolutions of the drive shaft. The optional RPU PositioningUnit accurately monitors the current placement of a drive system and transmits this data back to your climate pc or controller. This placement feedback can also be accomplished using an installation established with a potentiometer.
The EP-45 engine gearboxes are finished with a graphite grey powder coating and are MOTOR WORM GEARBOXES FOR GREENHOUSE GW80 CHAIN COUPLING supplied including fixing bolts and spring washers.