Mitsubishi Electric MELSERVO-J4 Instruction Manual page 178

9. OPTIONS AND PERIPHERAL 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)
(2-φD hole)
(Mounting hole)
a
9 - 33
Power regenerative
a
converter
FR-RC-H15K
330
FR-RC-H30K
FR-RC-H55K 470
[Unit: mm]
b D AA BA
562 10 270 582
642 12 410 670