Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 328

100 V class
The following shows the inrush currents (reference data) that will flow when 120 V AC is applied at the power supply capacity.
Servo amplifier
MR-J4-10GF1(-RJ)
MR-J4-20GF1(-RJ)
MR-J4-40GF1(-RJ)
10 CHARACTERISTICS
326
10.5 Inrush currents at power-on of main circuit and control circuit
Inrush currents (A )
0-P
Main circuit power supply (L1/L2)
38 A (attenuated to approx. 14 A in 10 ms)
Control circuit power supply (L11/L21)
20 A to 30 A (attenuated to approx. 0 A in 1 ms to 2
ms)