HARDWARE / PRODUCTAdded 23 Aug 2026

FLA Ultra-Flat Rotary Actuator

Harmonic Drive
FLA Ultra-Flat Rotary Actuator

The FLA Ultra-Flat Rotary Actuator combines high-precision/high-performance reducers with a compact, high-output brushless DC motor, ideal for applications like AGV wheel drives and powered exoskeletons.

Key figurescomparable across the catalogue

Mass
0.39 kg

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Gear Ratio (HP)
8, 9
Maximum Torque (HP)
1.8 - 12.1 Nm
Maximum Speed (HP)
400 - 500 rpm
Weight (HP)
390 - 1,060 g
Gear Ratio (FB)
50, 100
Maximum Torque (FB)
6.7 - 34 Nm
Maximum Speed (FB)
50 - 100 rpm
Weight (FB)
420 - 1,170 g
Winding Voltage
24VDC, 48VDC
Motor Position Sensor
Hall sensor
Installation Direction
Any direction
Enclosure
Fully enclosed self-cooling (IP40)

About

The new ultra-flat, ultra-light brushless actuators from Harmonic Drive integrate their high-precision/high-performance reducers with a compact, high-output brushless DC motor. FLA actuators are available with either a high-speed, high-efficiency Harmonic Planetary® gearhead or a high-precision, high-torque Harmonic Drive® reducer. This series is designed for a wide range of applications, including AGV wheel drives and powered exoskeletons. Both 24VDC and 48VDC versions are offered to support battery-powered applications. Key features include an ultra-flat shape, multiple options (four sizes, various ratios, and two voltages), lightweight design, and compatibility with a wide range of third-party servo drives. The actuators can be installed in any direction and feature a fully enclosed self-cooling (IP40) enclosure.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: www.harmonicdrive.net ↗

The rest of the range from Harmonic Drive

All 58 products →