Drive dimensioning

Motor versions Configuration aid

OptionFunctionPossible applicationsCooling Separate fanOperation atrated torque ˘ Wide operational speed range with rated torqueatlow speeds Motor protection Thermal contactProtects the motor against ˘ Monitoring the motor winding temperatureNC contactthermal overload ˘ Switching a motor relayTemperature sensorProtects the motor against ˘ PTCs operate in conjunction with a PTC thermistorthermal overloadcontrol unit ˘ Unlike the thermal contact, can be resetquickly. Holding systems Spring-operated Brakes the motor ˘ Decelerating loadsbrake ˘ Holding loads ˘ Braking torque available in de-energisedstate

2

Additional CondensationDrains ˘ Operation in extreme climatic options drain holecondensationconditions ˘ Outdoor installation Protection coverProtects againstforeign matter ˘ Protecting the air inletopening againstfalling into the fan coverforeign matter if the drive is installed vertically with the motor shaftdownwards

2-18

G-motion motec en 11/2004