Secondary dirty area insulation design of drop-out fuse
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Level II pollution area: Use composite insulation drop out fuse (such as PRWG series), and the creepage distance of the shed should be ≥31mm/kV.
Level II pollution area: Use composite insulation drop out fuse (such as PRWG series), and the creepage distance of the shed should be ≥31mm/kV.
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