Mitsubishi MELSEC-A series - System Design Precautions

5. LOADING AND INSTALLATION /MELSEC-A
5.2 System Design Precautions
(1) Do not use the AD71 on any extension base which does not
include a power supply (i.e. A5XB).
(2) Where the temperature inside a panel is likely to exceed 55’C,
forced ventilation or cooling must be provided.
5-2
IB (NAI 86101-A