





The MITSUBISHI MELSERVO-J3 SERVOMOTOR 200W HF-KP23 is a high-precision, low-inertia servo motor engineered for demanding industrial automation tasks. Part of the HF-KP series, this 200-watt motor delivers a rated torque of 0.64 N·m and a maximum torque of 2.23 N·m, making it ideal for applications requiring rapid acceleration and deceleration, such as pick-and-place machines, packaging equipment, and robotic axes. Equipped with an 18-bit absolute encoder (262,144 pulses per revolution), the HF-KP23 provides unparalleled positioning accuracy and smooth velocity control, even at high speeds up to 6000 r/min. Its totally enclosed, non-ventilated IP65-rated construction ensures reliable operation in harsh industrial environments, while the compact design (0.94 kg standard) saves valuable panel space. This model is fully compatible with the MR-J3-20A/B/T servo amplifier series, offering plug-and-play integration with Mitsubishi’s advanced servo systems. Whether you need precise torque control or high-speed motion, the HF-KP23 delivers consistent, repeatable performance for critical production lines.
| Parameter | HF-KP23 (200W Model) | Other HF-KP Models (for reference) |
|---|---|---|
| Rated Output (W) | 200 | 50 / 100 / 400 / 750 |
| Rated Torque (N·m [oz·in]) | 0.64 (90.6) | 0.16 / 0.32 / 1.3 / 2.4 |
| Maximum Torque (N·m [oz·in]) | 2.23 (316) | 0.56 / 1.11 / 4.46 / 8.36 |
| Rated Speed (r/min) | 3000 | 3000 (all models) |
| Maximum Speed (r/min) | 6000 | 6000 (all models) |
| Permissible Instantaneous Speed (r/min) | 6900 | 6900 (all models) |
| Power Rate at Continuous Rated Torque (kW/s) | 16.9 | 4.87 / 11.5 / 38.6 / 39.9 |
| Rated Current (A) | 1.4 | 0.9 / 0.8 / 2.7 / 5.2 |
| Maximum Current (A) | 4.2 | 2.7 / 2.4 / 8.1 / 15.6 |
| Regenerative Braking Frequency (times/min) | 448 | Note 3 / Note 3 / 249 / 140 |
| Standard Inertia Moment (kg·m² [oz·in²]) | 0.24 (1.31) | 0.052 / 0.088 / 0.42 / 1.43 |
| With Electromagnetic Brake Inertia (kg·m² [oz·in²]) | 0.31 (1.69) | 0.054 / 0.090 / 0.50 / 1.63 |
| Recommended Load to Motor Inertia Moment Ratio | 24 times maximum | 15 times max (50W) / 15 times max (100W) / 22 times max (400W) / 15 times max (750W) |
| Speed/Position Detector | 18-bit encoder (262,144 p/rev) | 18-bit encoder (262,144 p/rev) |
| Insulation Class | Class B | Class B |
| Structure | Totally enclosed non-ventilated (IP65) | Totally enclosed non-ventilated (IP65) |
| Mass – Standard (kg [lb]) | 0.94 (2.1) | 0.35 / 0.56 / 1.5 / 2.9 |
| Mass – With Electromagnetic Brake (kg [lb]) | 1.6 (3.6) | 0.65 / 0.86 / 2.1 / 3.9 |
| Compatible Servo Amplifier | MR-J3-20A/B/T | MR-J3-10A/B/T (50/100W) / MR-J3-40A/B/T (400W) / MR-J3-70A/B/T (750W) |
| Power Supply Capacity (kVA) | 0.5 | 0.3 / 0.3 / 0.9 / 1.3 |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22