The MITSUBISHI MELSERVO-J2S HC-KFS23 is a 200W AC servomotor engineered for high-speed, high-accuracy motion control in industrial automation environments. As part of the renowned J2S family, this motor delivers exceptional torque density and dynamic response, making it suitable for applications such as CNC machinery, robotic arms, packaging systems, and pick-and-place units. The HC-KFS23 features a low inertia rotor design and is paired with a 17-bit absolute encoder to ensure smooth operation and precise positioning even under variable loads. With a rated torque of 0.64 N·m and a maximum torque of 1.9 N·m, it provides reliable performance in both continuous and peak demand cycles. The motor is fully compatible with the MR-J2S series amplifiers, offering seamless integration and optimized tuning for enhanced system stability.
| Parameter |
Specification |
| Model |
MITSUBISHI HC-KFS23 |
| Series |
MELSERVO-J2S |
| Rated Output Power |
200 W |
| Rated Torque |
0.64 N·m |
| Maximum Torque |
1.9 N·m |
| Rated Speed |
3000 RPM |
| Maximum Speed |
4500 RPM |
| Rotor Inertia |
0.28 × 10⁻⁴ kg·m² (low inertia) |
| Encoder Type |
17-bit absolute encoder (131072 pulses/rev) |
| Brake Option |
Electromagnetic brake (standard on HC-KFS23B models) |
| Insulation Class |
Class B (130°C) |
| Protection Rating |
IP65 (excluding shaft and connector) |
| Shaft Type |
Straight shaft with keyway (standard) |
| Mounting Flange Size |
60 mm square (IEC standard) |
| Ambient Temperature |
0°C to 40°C (operation) |
| Ambient Humidity |
20% to 80% RH (non-condensing) |
| Vibration Class |
V15 (max. 15 µm) |
| Weight |
Approx. 1.2 kg (without brake) |
| Compatible Amplifier |
MITSUBISHI MR-J2S-10A (or MR-J2S-10B for brake models) |
| Application |
CNC, robotics, packaging, assembly, and general automation |
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