Mitsubishi Electric MELSERVO-J4 MR-J4 TM Instruction Manual page 390

11. OPTIONS AND PERIPHERAL EQUIPMENT
(d) Mounting dimensional diagram
(2) MR-J3ACN
(a) Panel cut dimensions
Attachment
Servo amplifier
196
Mounting hole
240
203
Punched
hole
236
255
270
11 - 97
20.6
Servo amplifier
3.2
155
Approx. 263.3
[Unit : mm]
4-M10 Screw
[Unit: mm]
Panel
Panel
108.3
[Unit: mm]