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Flat brushless motors with external rotor technology

The external rotor motors of the BXT series set new standards: thanks to innovative winding technology and optimum design, the flat BLDC motors deliver a torque of up to 134 mNm. The ratio of torque to weight and size is unmatched. The iron-core motors with 14 high-performance rare earth magnets on the rotor and 12 teeth on the stator are just 14 mm, 16 mm and 21 mm long, making them suitable for applications that require a short drive solution with high torque. Combined with optical and magnetic encoders, precision gearheads and DC motor controllers, the result is a compact drive system.

FAULHABER BXT family 3D drawing in open view
Key Features
22 ... 42 mm
14 ... 22 mm
Nominal voltage:
6 ... 48 V
Speed up to:
10000 min⁻¹
Torque up to:
134 mNm
Continuous output up to:
100 W
External rotor motors with very high torque
Continuous output up to 100 W
Outstanding ratio of torque to weight and size
Flat design for space-critical applications. Length range of 14 to 21 mm.
Matching optical and magnetic encoders, gearheads and controls available
14-pole construction


» For our applications, we basically need a lot of power with very small dimensions. FAULHABER offers motors that can easily hold their own compared to pneumatic drives. «
Roman Batz
Development engineer at IPR
To customer application

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