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New Brushless DC Flat Motors

Supplier: maxon motor australia

maxon motor has launched a range of brushless DC motors with integrated electronics.They feature established drives EC 20 Flat, EC 32 Flat & EC 45 Flat, & now they have in-built speed controllers, yet are almost the same size. The motors available standard & the 2 and 5-wire versions, with an operating range of 2-50 watts. The drives are suitable for use where there is minimal installation space, when long service life & constant speed are required at the same time as simple control operations.


As well as cylindrical drives, maxon motor has been developing and distributing brushless DC flat motors for many years; these are known as external rotor motors where the rotating rotor shell encloses the fixed stator. Advantages of this design include its short overall length, high torque density and its simplicity - and thanks to electronic current commutation, the motors have an almost unlimited service life.

The new EC 20 flat DC motor, EC 32 Flat DC motor and EC 45 Flat DC motor with integrated electronics also reduce the user's need for control input to the absolute minimum. Current commutation is integrated in the motor through Hall Sensors, as 1-quadrant speed controller and numerous protection functions. Motors are available as 2 & 5-wire versions.

In the 2-wire version. speed acts proportionately to the applied operating voltage of 10-28 volts. In the simplest case, the drive is powered directly by the battery. The 5-wire version offers additional functionality and a wider operating with set value input, enable and speed monitor.  Current limitation, under and over-voltage switch-off plus temperature monitoring and implemented as standard in all models.

New models are also being added to the existing range of flat brushless DC motors, such as the EC 20 flat motor, which is available immediately in a 5 watt version, with or without hall sensors. The EC 90 Flat motor is now available with integrated electronics. Thanks to the two-channel encoder with 2,048 pulses per revolution, this drive is ideal for challenging positioning tasks.

A protective cover shields the unit against  contamination which means that it can be used in rough environments. maxon's flexible modular system has also been expanded, so that all flat motors can now be combined with spur and planetary gearheads.