Mitsubishi Electric Melservo-J4 MR-J4-DU*B4-RJ100 Series Instruction Manual page 20

■Clearance between sets of combined power regeneration converter units and drive units
mounted above each other
Converter unit
Converter unit
*1 Take measures, such as installing a shield, to prevent cooling fan exhaust of the lower unit from affecting the cooling fan on the upper
unit.
*2 A clearance of at least 120 mm is required. Leave a clearance, taking into consideration the flexibility of the cable.
2 INSTALLATION
18
2.1 Installation direction and clearances
80 mm
Drive unit
or more
30 mm
220 mm
or more
Drive unit
120 mm
30 mm
or more
Top
Cooling
fan
100 mm
exhaust
or more
220 mm
or more *1
Cooling
fan
exhaust
*2
Bottom
Side