MITSUBISHI ELECTRIC MR-J2S- CP - Manual (Page 263)

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14. OPTIONS AND AUXILIARY EQUIPMENT
For the MR-RB50 MR-RB51 install the cooling fan as shown.
82.5 40 (1.58)
82.5
13
3
Cooling fan installation screw hole dimensions
2-M3 screw hole
(for cooling fan installation)
Depth 10 or less
(Screw hole already
machined)
Cooling fan Terminal block
Thermal relay
Installation surface Horizontal installation Vertical
installation
Top
Bottom
(3
.2
5
)
(5.
24)
(3.25)
[Unit : mm(in)]