Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 409

Part 7: Common Reference Material
(2) MR-J4W2-_B servo amplifier/MR-J3W series
The following graphs show overload protection characteristics.
1000
100
Servo-lock
10
1
0.1
0 50 100
Load ratio [%] (Note 1)
HG-KR053/HG-KR13
HG-MR053/HG-MR13
HF-KP053/HF-KP13
HF-MP053/HF-MP13
Note 1. The load ratio ranging from 300% to 350% applies to the HG-KR series servo motor.
2. The operation time at the load ratio of 350% to 400% applies when the maximum torque of HG-JR53 servo motor and HF-JP
servo motor is increased to 400% of rated torque.
Operating
150 200 250 300
1000
100
10
1
0.1
0 50 100
350
HG-KR23/HG-KR43/HG-KR73
HG-MR23/HG-MR43/HG-MR73
HG-SR51/HG-SR81/HG-SR52/HG-SR102
HG-JR53/HG-JR73/HG-JR103
HF-KP23/HF-KP43/HF-KP73
HF-MP23/HF-MP43/HF-MP73
HF-SP51/HF-SP81/HF-SP52/HF-SP102
HC-LP52/HC-LP102
HF-JP53/HF-JP73/HF-JP103
7 - 32
Operating
Servo-lock
150 200 250 300
Load ratio [%] (Note 1, 2)
HG-UR72
HC-UP72
350 400