Kpower EM3 Micro Robot Clutch Bus Servo
Kpower · MPN EM3 · Maglev ID ac-kpower-em3
CN Maker in China, factory not confirmed unknown VERIFIED
9 g brushed, POM-gear TTL bus servo with overload clutch, sold for companion/desktop robots (resellers tie it to Eilik).
Specifications
| Stall torque | 3 kg·cm |
|---|---|
| No-load speed | 0.08 s/60° (≈125 rpm) |
| Voltage | 3.3-9 V |
| Interface | TTL serial (custom supported) |
| Feedback | Potentiometer, 0.3° resolution claimed |
| Mass | 9 g |
Who makes it
MakerKpower (伟创动力), Dongguan
Based inChina
RoleBrand owner
Kpower states custom torque/voltage/protocol support; Maglev wrote to [email protected] Sep 8 2026 for a bus-servo variant (drafted, send unconfirmed).
Landed cost in the US
CN
41.9%
TW
10%
VN
16.9%
IN
14.4%
JP
12.5%
KR
12.5%
DE
10%
MX
14.4%
US
0%
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 | 8501.10.40.60 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | No public price. Maglev estimate for this class: $4-7 at 1,000 pcs (estimate only, Eyecandy benchmark §3). |
Equivalents from other makers
Sources
- https://www.kpower.com/em3_servospec rows
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.