Mitsubishi Electric MELFA CR800 Series Instruction Manual page 141

2) Ensure that the height of the selected stabilized power supply with the fixed metal plate (supplied by customer)
is 51mm or less.
Caution: If the height is more than 51mm, interference with other parts in the controller may occur.
3) Fix the metal plate to the installation position using the M4 screws (supplied by customer).
Select a screw length so that 2.1mm or more and less than 7.0mm of the screws can be tightened in the studs
on the controller.
Appendix 3: How to Install the Stabilized Power Supply for the Safety Extension Unit 8-131
8 APPENDIX