# MyActuator RMD-FLO-90-15-400 Frameless Outer-Rotor Motor

![MyActuator RMD-FLO-90-15-400 Frameless Outer-Rotor Motor](https://parts.trymaglev.com/img/mo-myactuator-rmd-flo-90-15-400.webp)

90 mm outer-rotor frameless kit with 17 pole pairs and a multi-pole absolute encoder, for low-speed quasi-direct-drive joints.

- Maglev ID: mo-myactuator-rmd-flo-90-15-400
- Brand: MyActuator
- MPN: RMD-FLO-90-15-400
- Category: motors / Frameless BLDC Torque Motors
- Origin: CN (maker HQ, factory not confirmed)
- Maker: MyActuator (Suzhou Micro Actuator Technology Co., Ltd.) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.40.00 (typical)
- MOQ: 1 · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $271.41 (distributor, 2026-10-30, https://www.robotshop.com/products/myactuator-flo-series-bldc-outer-rotor-frameless-motor-rmd-flo-90-15-400; RobotShop SKU RBC-Mya-50)

## Specifications
- Peak torque: 3.75 Nm
- Continuous torque: 1.5 Nm rated
- Outer diameter: 90 mm rotor OD
- Axial length: 30.3 mm (per installation drawing)
- Voltage: 48 V
- Mass: 460 g
- Rated current: 6.6 A
- Peak current: 19.8 A
- Torque constant: 0.23 Nm/A
- Rotor bore: 49 mm
- Sensor: Absolute (multi-pole)

## Links
- Product: https://www.myactuator.com/flo-90-15details
- Datasheet: https://www.myactuator.com/downloads-flseries
- CAD: none

## Sources
- https://www.myactuator.com/flo-90-15details (official spec sheet image: installation drawing and parameters)
- https://www.robotshop.com/products/myactuator-flo-series-bldc-outer-rotor-frameless-motor-rmd-flo-90-15-400 (price and stock (RobotShop))