Mitsubishi HG-KR73B AC Servo Motor with Electromagnetic Brake
The Mitsubishi HG-KR73B is a low-inertia AC servo motor in the MELSERVO-J4 series. It is designed for industrial motion-control applications that require accurate positioning, controlled speed, and responsive operation.
This model has a rated output of 0.75 kW, rated torque of 2.4 Nm, and rated speed of 3,000 rpm, with a maximum speed of 6,000 rpm. The HG-KR73B includes an electromagnetic brake and a high-resolution 22-bit encoder.
Key Features
- Manufacturer: Mitsubishi Electric
- Model: HG-KR73B
- HG-KR series, MELSERVO-J4 family
- Rated output: 750 W (0.75 kW)
- Low-inertia motor design
- Electromagnetic holding brake
- High-resolution 22-bit encoder
- Rated speed: 3,000 rpm
- Maximum speed: 6,000 rpm
- Manufacturer-listed protection rating: IP65, subject to stated exclusions
Technical Specifications
| Brand | Mitsubishi Electric |
|---|---|
| Model | HG-KR73B |
| Series | MELSERVO-J4 / HG-KR |
| Motor Type | AC Servo Motor |
| Rated Output | 0.75 kW (750 W) |
| Rated Torque | 2.4 Nm |
| Maximum Torque | 8.4 Nm |
| Rated Speed | 3,000 rpm |
| Maximum Speed | 6,000 rpm |
| Supply Class | 200 V AC |
| Shaft Type | Straight Shaft |
| Inertia | Low Inertia |
| Brake | Electromagnetic Brake |
| Encoder | 22-bit absolute/incremental encoder |
| Protection Rating | IP65, subject to manufacturer exclusions |
Applications
- Industrial automation and motion control
- Precision positioning systems
- X-Y tables and automated machinery
- Packaging and material-handling equipment
- Semiconductor manufacturing systems
Compatibility and Installation
Select a compatible Mitsubishi servo amplifier based on the motor model and intended system configuration. Confirm the required power, encoder, and brake cables, connector types, and amplifier combination before ordering. Installation and commissioning should follow the manufacturer’s instructions.
Request a Quote
Contact Nexis Controls for availability, product condition, compatible accessories, delivery details, and a quotation for the Mitsubishi HG-KR73B AC Servo Motor.
Note: Price and availability are subject to supplier confirmation. Verify the product nameplate and exact model before purchase. The IP rating has manufacturer-defined exclusions, including the shaft-through portion.






















