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moteus r4.11 Brushless Servo Controller
Photo: mjbots.com
Datasheet not published CAD / STEP Maker's page This part as JSONThis part as Markdown

moteus r4.11 Brushless Servo Controller

mjbots · MPN moteus-r4-11 · Maglev ID mo-moteus-r4-11
US Maker in United States, factory not confirmed unknown VERIFIED

46 x 53 mm open-source FOC servo controller with onboard absolute encoder and 5 Mbps CAN-FD daisy chain, built for quadruped-style dynamic robots.

Specifications

Bus voltage10-44 V (<=10S)
Continuous current12 A / 32 A phase (without / with thermal management)
Peak current100 A phase
Interface5 Mbps CAN-FD
FeedbackOnboard absolute magnetic encoder
Peak electrical power900 W @ 30 V
Mass14.2 g
Dimensions46 x 53 mm
FirmwareOpen source, Apache 2.0

Who makes it

Makermjbots Robotic Systems
Based inUnited States
RoleBrand owner

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

CN 37.5%
TW 10%
VN 12.5%
IN 10%
JP 12.5%
KR 12.5%
DE 10%
MX 10%
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.

Loading duty data…

Compliance

HTS classification8504.40.40.00 typical, not a ruling
NDAAunknown
Blue UASunknown
FCCn/a

How we source tariff and compliance data

Equivalents from other makers

ODrive S1 Single-Axis BLDC ControllerODrive S1 Single-Axis BLDC ControllerODrive Robotics · US · $149CubeMars Driver Board V2.1 (AK70-10 and up)CubeMars Driver Board V2.1 (AK70-10 and up)CubeMars · CN · $129.90mjbots moteus-c1 Brushless Servo Controllermjbots moteus-c1 Brushless Servo Controllermjbots · US · $69Tinymovr R5.4 FOC Brushless ControllerTinymovr R5.4 FOC Brushless ControllerTinymovr · GR · $88

Works with

CubeMars RI60 KV120 Frameless Inrunner Torque MotorCubeMars RI60 KV120 Frameless Inrunner Torque MotorCubeMars · CN · $98.90CubeMars GL60 KV25 Gimbal MotorCubeMars GL60 KV25 Gimbal MotorCubeMars · CN · $108.99CubeMars GL80 KV30 Gimbal MotorCubeMars GL80 KV30 Gimbal MotorCubeMars · CN · $181.99mjbots mj5208 Brushless Motormjbots mj5208 Brushless Motormjbots · US · $74CubeMars RI50 KV100 Frameless Inrunner Torque MotorCubeMars RI50 KV100 Frameless Inrunner Torque MotorCubeMars · CN · $61.90CubeMars RI70 KV95 Frameless Inrunner Torque MotorCubeMars RI70 KV95 Frameless Inrunner Torque MotorCubeMars · CN · $123.90CubeMars RI100 KV105 Frameless Inrunner Torque MotorCubeMars RI100 KV105 Frameless Inrunner Torque MotorCubeMars · CN · $148.90CubeMars RI75-PH KV70 Potted Frameless Torque MotorCubeMars RI75-PH KV70 Potted Frameless Torque MotorCubeMars · CN · $138.90CubeMars RI85-PH KV85 Potted Frameless Torque MotorCubeMars RI85-PH KV85 Potted Frameless Torque MotorCubeMars · CN · $147.90CubeMars RI115-PH KV40 Potted Frameless Torque MotorCubeMars RI115-PH KV40 Potted Frameless Torque MotorCubeMars · CN · $199.90CubeMars RO40 KV140 Lite Frameless Outrunner Torque MotorCubeMars RO40 KV140 Lite Frameless Outrunner Torque MotorCubeMars · CN · $51.90CubeMars RO50 KV108 Lite Frameless Outrunner Torque MotorCubeMars RO50 KV108 Lite Frameless Outrunner Torque MotorCubeMars · CN · $65.90CubeMars RO60 KV115 Frameless Outrunner Torque MotorCubeMars RO60 KV115 Frameless Outrunner Torque MotorCubeMars · CN · $77.90CubeMars RO100 KV55 Frameless Outrunner Torque MotorCubeMars RO100 KV55 Frameless Outrunner Torque MotorCubeMars · CN · $156.90

Sources

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.