Overview
The MyActuator H-90-15 Direct Drive Actuator is a high-precision servo motor designed for robotic arms, automation platforms, and precision positioning systems. Featuring a large 30mm hollow shaft, 1.5N·m rated torque, and 1600RPM rated speed, this actuator integrates advanced CAN BUS communication and a 17-bit ABS encoder for ultra-precise control. Its compact size (Ø90mm × 48.5mm) and lightweight 0.71kg build make it ideal for applications requiring high repeatability (<0.01) and low-speed stability.
Key Features
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Large Hollow Shaft Design – 30mm diameter for easy cable routing and integration.
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High Precision – ABS 17-bit encoder ensures repeat positioning accuracy <0.01.
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Stable Low-Speed Performance – Perfect for smooth, controlled motion.
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CAN BUS Communication – Reliable, high-speed digital control interface.
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Lightweight & Compact – Only 0.71kg, making it suitable for mobile and space-limited platforms.
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High Efficiency – Rated output power of 252W with low no-load current (0.35A).
Specifications
| Parameter | Value |
|---|---|
| Model | RMD-H-90-15-400-C |
| Input Voltage | 48V |
| Rated Torque | 1.5N·m |
| Peak Torque | 3.75N·m |
| Rated Speed | 1600RPM |
| No-Load Speed | 2000RPM |
| Rated Output Power | 252W |
| Inertia | 4.20Kg·cm² |
| Rated Phase Current | 6.6A |
| Peak Phase Current | 19.8A |
| Torque Constant | 0.23N·m/A |
| Pole Pairs | 16 |
| No Load Input Current | 0.35A |
| Encoder Type | ABS – 17bit |
| Communication | CAN BUS |
| Weight | 0.71kg |
| Dimensions | Ø90mm × 48.5mm |
| Hollow Diameter | 30mm |
Applications
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Robotic arms and collaborative robots (cobots)
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Automation platforms and precision assembly equipment
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High-accuracy positioning systems
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Industrial motion control projects
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Research and prototyping for mechatronics
Benefits
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High torque density in a compact design
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Simplifies wiring with hollow-shaft integration
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Robust and reliable operation with digital CAN BUS interface
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Ideal for environments requiring repeatable precision motion
Details

MyActuator H90-15 direct drive actuator offers 48V input, 1600 RPM, 1.5 N.m torque, CAN BUS, ABS 17-bit encoder, weighs 0.71 kg, and measures 90 mm diameter × 48.5 mm length.

Direct Drive Actuator with large hollow design, offering low-speed stability. Features 4.2Kg.cm² inertia, 1600RPM rated speed, and 3cm hollow diameter. Weighs 0.71kg, dimensions Ø90mm×48.5mm. Model H-90-15 by MyActuator. Offers drive integration, high precision, and repeat position accuracy under 0.01. Includes CE and RoHS compliance marks. Equipped with CAN, PWM, and PPR interfaces.

Hollow design direct drive actuator with CAN BUS, 48V, 1.5N.m torque, 1600RPM, 252W power. Includes installation drawings and specs for precision integration.

MyActuator H-90-15 direct drive actuator for gimbal, medical equipment, inspection, and warehousing logistics solutions.

MyActuator H-90-15 direct drive actuator with power supply and CAN BUS cable included.
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