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Geared motors for positioning

Geared motors for positioning
The new MR geared rotary actuators offer a compact, simple and low cost solution for many positioning requirements. The range consists of three models of DC geared motors with integrated encoder or potentiometer, combined with worm gearboxes. With IP65 enclosure, a maintenance-free design and IEC output dimensions, the MR range suits a wide scope positioning applications such as cameras, lighting, windows, sun blinds and screens.

The first two models in the MR range have output torques of 3 and 15Nm respectively. DC motors at either 12 or 24V provide output speeds from 60 to 500r/min depending on the model and the ratio of the worm gearbox. A two-channel encoder built into the motor gives positioning or speed feedback at either 1 or 4 pulses per revolution. Depending on the gear ratio, this corresponds to between 12 and 276 pulses per revolution of the output shaft. 

The third model also has a rated torque of 15Nm, but instead of the encoder it has two built-in stroke limit switches that can be set in a range from 20 to 140 revolutions of the output shaft. A potentiometer provides position feedback.
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