Mr-J4-Series, Power Supply Wire Size - Mitsubishi Electric MELSERVO-J2S Series Transition Handbook

Part 5: Review on Replacement of MR-J2S-30 kW or Higher Capacity Models with MR-J4-DU_

5.2.2 MR-J4-series, power supply wire size

The following diagram shows the wires used for wiring. Use the wires given in this section or equivalent.
Power factor
improving
DC reactor
3) Regenerative option lead
Regenerative option
1) Main circuit power
Power supply
supply lead
(1) Example of selecting the wire sizes
For the power supply wire, use a 600 V grade heat-resistant polyvinyl chloride insulated wire (HIV wire).
The table below shows selection examples of power supply wire sizes.
Converter unit
(Note 2)
MR-CR55K
MR-CR55K4
Note 1. Alphabets in the table indicate crimping tools. For crimp terminals and applicable tools, refer to (2) of this section.
2. To connect these wires to a terminal block, make sure to use the screws that come with the terminal block.
3. Selected based on the servo motor with the largest rated current of all the servo motors available.
4. To comply with the IEC/EN/UL/CSA standard, use a wire of 2 mm
Converter unit
4)
P1
P2
C
L1
L2
L3
L11
L21
2) Control circuit power
supply lead
Wire size selection example (HIV wire)
Drive unit
(Note 2)
L1/L2/L3/
MR-J4-DU30K_ 38 (AWG2): c
MR-J4-DU37K_ 60 (AWG2/0): d
MR-J4-DU30K_4 22 (AWG4): e
MR-J4-DU37K_4 22 (AWG4): e
MR-J4-DU45K_4 38 (AWG2): c
MR-J4-DU55K_4 38 (AWG2): c
Drive unit
4) Motor power supply lead
U
V
1)
W
L11
L21
Recommended wire
Wire [mm
1) 2)
L11/L21
1.25 to 2
(AWG 16 to 14): g
(Note 4)
.
2
5 - 35
Servo motor
U
V
Motor
W
Encoder cable
Encoder
] (Note1, 3)
2
3)
P2/C
P1/P2/
60 (AWG2/0): d
60 (AWG2/0): d
22 (AWG4): e
5.5 (AWG10): a
38 (AWG 2): f
38 (AWG2): c
38 (AWG2): c
4)
U/V/W