Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 230

11. OPTIONS AND AUXILIARY EQUIPMENT
The drawing below shows the MR-J3-350B4 MR-J3-500B(4). Refer to section 9.1 (6) outline drawings
for the position of the fixing screw for MR-J3-700B(4).
For the MR-RB51, MR-RB3G-4, MR-RB5G-4, MR-RB34-4 or MR-RB54-4 install the cooling fan as
shown.
Top
Cooling fan
Bottom
Vertical
installation
Built-in regenerative resistor
lead terminal fixing screw
Installation surface
Horizontal installation
11 - 27
Cooling fan installation screw hole dimensions
Terminal block
Thermal relay
[Unit : mm]
2-M3 screw hole
(for cooling fan installation)
Depth 10 or less
(Screw hole already
machined)
82.5
40