Mitsubishi Electric MELSERVO-J2S Series Transition Handbook page 168

Part 5: Review on Replacement of MR-J2S-30 kW or Higher Capacity Models with MR-J4-DU_
(2) MR-J4-DU_
(a) Installation
Longer than 30 mm
(b) Mounting hole dimensions
300
9.5 281
20 260 ± 0.5
Converter unit
Punched hole
4-M6 screw
POINT
Make sure to install a drive unit on the right of a converter unit as shown in the
diagram.
Converter unit
Front side
W1
(9.5) (W5)
W5 W4
(20) (W3)
W3 W2
Drive unit
Punched hole
4-A screw
Drive unit
Longer
than 30 mm
Drive unit
MR-J4-DU30K_
MR-J4-DU37K_
MR-J4-DU45K_4
MR-J4-DU55K_4
MR-J4-DU30K_4
MR-J4-DU37K_4
5 - 7
Longer
than 100 mm
Longer
than 80 mm
Longer than
120 mm
Side
Variable
dimensions [mm]
W1 W2 W3 W4 W5
260
300 20 281 9.5
±0.5
120
240 60 222 9
±0.5
Top
Bottom
Screw
size
A
M6
M5