Measure Against "Thunder" Power Surge When Ac Power Supply Is Used - Mitsubishi Electric MELSEC-KOJIU Instruction Manual

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8. INSTALLATION AND WIRING
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8.5
Measures against "Thunder" Power Surge when AC Power Supply is used
KOJl
U
Wiring of surge absorber for thunder
\
Ground FG and
LG
separately from surge absorber.
I a
A s measures against power surge due to thunder, it is recommended to wire and ground as
Select the varistor of surge absorber which will not cause voltage to exceed the maximum
shown above.
allowable value even when line voltage rises to maximum.
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