Grounding 3
Grounding 2
Grounding 1
Building
Grounding
wire
Lightning
arrester
Power
distribution
transformer
Correct
8.5.6 Requirements for power supply wiring
Manual
switch
Fuses
Power
380-415V
3N~50Hz
Unit
Surge
current
Grounding 3
Grounding 2
Grounding 1
Grounding
wire
Lightning
arrester
Power
distribution
transformer
Wrong
Manual
switch
Fuses
Power
380-415V
3N~50Hz
Fig. 8-10 Requirements of power supply wiring
NOTE
Do not connect the grounding wire of the lightning arrester to the unit shell. The grounding wire of the
lightning arrester and the power supply grounding wire must be configured separately.
Unit
78
Summary of Contents for MUENR-30-H9T
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Page 56: ...NOTAS 56...
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