High Performance Drive in a Small Package

Maxon sets new standards in micro drives.

maxon's smallest DC brushless motor is only four millimeters in diameter and comes in two different lengths. Certified in accordance with ISO 13485, the new brushless micro drive is ideal for medical applications.


The EC 4 brushless DC motor is maxon motor's ultra-compact solution to the market's needs. As the smallest micromotor to come from the Swiss manufacturer, the EC 4 is only four millimeters in diameter. It is available in two lengths, with power ratings of 0.5 and 1 W. Equipped with an ironless maxon winding, the EC 4 stands out for its robust design, high power density, and energy efficiency.

maxon has the matching gearhead

Combined with the GP 4 planetary gearhead, the EC 4 becomes a compact drive for use in micropumps, analytic and diagnostic devices, and laboratory robots. Precise and reliable, it can adjust lenses, dispense fluids, or position sensing devices. All units meet the ISO 13485 medical standard, which makes this maxon micro drive the perfect choice for applications in medical technology.

maxon offers a complete line of dc motors, gearheads and controllers. Contact us to help find the right solution for your application.

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Allied Motion - New MFH170i Housed Brushless Torque Motor Has Integrated Servo Drive and Optical Encoder

Allied Motion - New MFH170i Housed Brushless Torque Motor Has Integrated Servo Drive and Optical Encoder

Allied Motion's Megaflux MFH170i series of 170 mm (6.7 in) diameter housed brushless torque motors consists of a high performance brushless DC torque motor, a digital servo drive, and an optical encoder, all integrated into a rugged machined aluminum housing with robust duplex bearings. The MFH0170i series features a 63.5 mm (2.5 in) large-bore through shaft, and is characterized by a very high torque-to-inertia ratio. There are three stack lengths in the series with peak torque ranging from 8.5 up to 16.9 Nm (75 up to 150 lb-in). The standard winding voltage is 48 V. And to ease the hassle of long leadtimes for prototypes, the new MFH170i is now available through our QuickShip program.