Mr-J2M-_ ⇒ Mr-J4-_ Comparison Table Of Servo Amplifier Dimensions/Installation Differences - Mitsubishi Electric MELSERVO-J2S Series Transition Handbook

Part 7: Common Reference Material
2.2 MR-J2M-_ ⇒ MR-J4-_ Comparison Table of Servo Amplifier Dimensions/Installation Differences
The following table shows comparison of the MR-J2M series and MR-J4 series dimensions. The width of the
MR-J4 series is the same or smaller than the MR-J2M series. The depth is larger for the 400 W and 750 W
capacities. Note that the height is larger for all the capacities. Mounting dimensions of the both series are
significantly different. Please take note.
Comparison of dimensions (comparison between the same capacity types) Unit: mm
Model Model
MR-J2M series MR-J4 series
MR-J2M-BU4 + MR-J4-10, 20A
× 4 units
MR-J2M-P8A +
MR-J2M-_DU MR-J4-40A
× 4 units
MR-J4-70A
× 2 units
MR-J2M-BU6 + MR-J4-10, 20A
× 6 units
MR-J2M-P8A +
MR-J4-40A
MR-J2M-_DU
× 6 units
MR-J4-70A
× 3 units
MR-J2M-BU8 + MR-J4-10, 20A
× 8 units
MR-J2M-P8A +
MR-J4-40A
MR-J2M-_DU
× 8 units
MR-J4-70A
× 4 units
Note. The width will increase.
Dimensions with differences are shown with shading.
Height Width
MR-J2M MR-J4 MR-J2M
140 168 230
(Note)
140 290
168
(Note)
140 168 350
(Note)
7 - 35
Depth
MR-J4 MR-J2M MR-J4
40 × 4 158 135
= 160
170
(Note)
60 × 2 185
= 120 (Note)
158
40 × 6 135
= 240
170
(Note)
60 × 3 185
= 180 (Note)
40 × 8 158 135
= 320
170
(Note)
60 × 4 185
= 240 (Note)
Mounting screw pitch
MR-J2M MR-J4
86 (Vertical)/ 156 (Vertical)
218 (Horizontal) (2 screws) × 4
(4 screws)
Height 156/
width 42
(3 screws) × 2
86 (Vertical)/
156 (Vertical)
278 (Horizontal) (2 screws) × 6
(4 screws)
Height 156/
width 42
(3 screws) × 3
86 (Vertical)/ 156 (Vertical)
338 (Horizontal) (2 screws) × 8
(4 screws)
Height 156/
width 42
(3 screws) × 4