Mitsubishi MELSERVO-J4 Servomotor 400W HG-KR43BJ

Series#: Mitsubishi

Product Details

MITSUBISHI MELSERVO-J4 SERVOMOTOR 400W HG-KR43BJ – High-performance low-inertia servo motor for precision motion control.
Rated output of 0.4 kW (400W) and rated torque of 1.3 Nm, ideal for compact automation applications.
Ultra-smooth operation with rated speed of 3000 r/min and maximum speed up to 6000 r/min.
Robust design with radial shaft load capacity of 245 N and thrust load of 98 N, ensuring long service life.
Lightweight at only 1.4 kg, simplifying integration into space-constrained machinery.
Compatible with MR-J4 series servo amplifiers for seamless plug-and-play setup.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The MITSUBISHI MELSERVO-J4 SERVOMOTOR 400W HG-KR43BJ is a low-inertia, small-capacity servo motor engineered for high-speed, high-precision positioning in industrial automation. Part of the renowned HG-KR series, this model delivers a continuous rated output of 0.4 kW with a rated torque of 1.3 N·m, making it an excellent choice for applications such as pick-and-place, packaging, and assembly lines. Its maximum torque reaches 4.5 N·m, providing ample peak performance for demanding cycles. The motor operates at a rated speed of 3000 r/min and can achieve instantaneous speeds up to 6900 r/min, ensuring rapid acceleration and deceleration. With a power rate of 43.7 kW/s at continuous rated torque, it offers exceptional dynamic response. The unit is built to withstand harsh industrial environments, operating reliably in temperatures from 0 °C to 40 °C and humidity levels between 10% and 80% RH (non-condensing). The shaft supports a radial load of 245 N and thrust load of 98 N, with a permissible load length (L) of 30 mm. Weighing only 1.4 kg, the HG-KR43BJ is compact yet robust, featuring a 100% original and new design for reliable long-term performance.

Parameter	HG-KR43BJ	HG-KR73(B)	HG-MR Series (053B, 13B, 23B, 43B)
Rated Output [kW]	0.4	0.75	0.05 / 0.1 / 0.2 / 0.4
Rated Torque [N·m]	1.3	2.4	0.16 / 0.32 / 0.64 / 1.3
Maximum Torque [N·m]	4.5	8.4	0.48 / 0.95 / 1.9 / 3.8
Rated Speed [r/min]	3000	3000	3000
Maximum Speed [r/min]	6000	6000	6000
Instantaneous Permissible Speed [r/min]	6900	6900	6900
Power Rate at Continuous Rated Torque [kW/s]	43.7	45.2	15.6 / 33.8 / 46.9 / 114.2
Rated Current [A]	2.6	4.8	1.0 / 0.9 / 1.5 / 2.6
Maximum Current [A]	9.1	17	3.1 / 2.5 / 5.3 / 9.0
Ambient Temperature (Operation)	0 °C to 40 °C (non-freezing)	0 °C to 40 °C (non-freezing)	0 °C to 40 °C (non-freezing)
Ambient Temperature (Storage)	-15 °C to 70 °C (non-freezing)	-15 °C to 70 °C (non-freezing)	-15 °C to 70 °C (non-freezing)
Ambient Humidity (Operation)	10 %RH to 80 %RH (non-condensing)	10 %RH to 80 %RH (non-condensing)	10 %RH to 80 %RH (non-condensing)
Ambient Humidity (Storage)	10 %RH to 90 %RH (non-condensing)	10 %RH to 90 %RH (non-condensing)	10 %RH to 90 %RH (non-condensing)
Permissible Shaft Load - L [mm]	30	40	25 (053B, 13B) / 30 (23B, 43B)
Radial Load [N]	245	392	88 (053B, 13B) / 245 (23B, 43B)
Thrust Load [N]	98	147	59 (053B, 13B) / 98 (23B, 43B)
Mass [kg]	1.4	2.8	0.34 / 0.54 / 0.91 / 1.4