The MITSUBISHI MELSERVO-J2S SERVOMOTOR 400W HC-KFS43 is a cornerstone of precision motion control, engineered for demanding applications such as CNC machinery, robotics, and packaging systems. This AC servo motor delivers consistent 400W output with a torque range optimized for high-speed positioning and smooth low-speed operation. Its 17-bit absolute encoder eliminates the need for homing routines, reducing downtime and improving throughput. The HC-KFS43 integrates flawlessly with MELSERVO-J2S series drives, offering plug-and-play functionality and advanced tuning capabilities. Built with a durable die-cast frame and sealed bearings, it withstands continuous duty cycles in temperatures from 0 to 40°C. Whether for retrofitting older systems or building new automation lines, this motor ensures reliability and long service life.
| Parameter |
Specification |
| Model |
HC-KFS43 |
| Series |
MELSERVO-J2S |
| Motor Type |
AC Servo Motor |
| Rated Output Power |
400 W |
| Rated Torque |
1.3 N·m |
| Maximum Torque |
3.8 N·m |
| Rated Speed |
3000 rpm |
| Maximum Speed |
5000 rpm |
| Encoder Type |
17-bit absolute encoder (131072 pulses/rev) |
| Encoder Resolution |
0.0027 degrees/pulse |
| Power Supply Voltage |
AC 200 V to 230 V, 50/60 Hz |
| Insulation Class |
Class B (130°C) |
| Protection Rating |
IP65 (excluding shaft and connector) |
| Brake Option |
Built-in electromagnetic brake (24 VDC) |
| Shaft Type |
Straight shaft with keyway |
| Shaft Diameter |
14 mm |
| Weight |
Approx. 1.6 kg |
| Ambient Temperature Range |
0°C to 40°C (operation) |
| Ambient Humidity Range |
20% to 80% RH (non-condensing) |
| Vibration Resistance |
5.9 m/s² (0.6 G) at 10 to 55 Hz |
| Compatible Amplifier |
MELSERVO-J2S series (e.g., MR-J2S-40A) |
| Connector Type |
Standard round connector (power and encoder) |
| Mounting Flange |
60 mm square flange (IEC standard) |
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