Mitsubishi Electric MELSERVO-J3 Series Handbook page 203

Part 5: Review on Replacement of MR-J3-DU_ with MR-J4-DU_
(2) MR-J4-DU_
(a) Installation
30 mm
or more
(b) Mounting hole process drawing
300
9.5 281
20 260 ± 0.5
converter unit
Punched
hole
4-M6 screw
POINT
Make sure to connect a drive unit to the right side of a converter unit as shown
in the diagram.
converter unit
Front
W1
(9.5) (W5)
W5 W4
(20) W3 W2 (W3)
Drive unit
Punched
hole
4-A screw
Drive unit
30 mm
or more
Converter unit
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 - 8
100 mm
or more
80 mm
or more
120 mm
or more
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