Mitsubishi Electric MELSERVO-J4 MR-J4 A Series Instruction Manual page 287

11. OPTIONS AND AUXILIARY EQUIPMENT
(4) Mounting hole machining dimensions
When the power regenerative converter is installed to an enclosed type cabinet, mount the heat
generating area of the converter outside the box to provide heat generation measures. At this time, the
mounting hole having the following dimensions is machined in the box.
(AA)
(Mounting hole)
a
11 - 24
Power regenerative
a
converter
FR-RC-15K 260
FR-RC-30K 330
[Unit: mm]
b D AA BA
412 10 200 432
562 10 270 582