Harmonic Drive SHA-32A Integrated Servo Actuator (1:101)
Western benchmark: largest SHA integrated hollow-shaft actuator with Harmonic Drive SG gearing, integrated servo drive and dual absolute encoders, for robot-arm bases. 48 V, no-brake version; full order code to be confirmed with the maker.
Specifications
| Peak torque | 298 N·m max |
|---|---|
| Rated torque | 77 N·m continuous (with 320x320x16 mm Al heatsink) |
| Gear ratio | 101:1 harmonic (also 51/81/121/161) |
| Voltage | 48 VDC (24-60 V) |
| Mass | 6.3 kg (PM1 axial exit); 6.4 kg (PM4) |
| Interface | CAN, CANopen (DS301/DS402) or EtherCAT option |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | MPN built from the ordering code on the maker page (size 32, ratio 101, SG gear, motor 12, A = no brake, LV 48 V, IDT encoders); confirm full code with Harmonic Drive. Price by quote; no stock state. |
Equivalents from other makers
Sources
- https://www.harmonicdrive.net/products/rotary-actuators/integrated-actuators/sha-integrated-with-servo-drivespec table + ordering code
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.