Accessories and Spare Parts
Operation manual b maXX BM4100 (NWR)
Document no.: 5.04052.09
121
of 142
11
5 Visual inspection
Surge protection module without damage
m no staining
The surge protection module can be assembled and installed again.
Surge protection module damaged,
phase to phase voltage > 550
V over a longer period
m Varistors stained
m Varistors black
m Varistors exploded
A new surge protection module must be installed.
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