Power supply of the switchgear cabinets – industrial dust with metal oxides of iron
low voltage switchboard 0.4 kV
metallurgy industry
type of contamination: mixture of industrial dust and metal oxides of iron (steel dust)
risk: highly conductive pollution posing the risk of short circuit and fire
the effect of the use 3NS technology: elimination of these risks, lowered electricity consumption, improved condition of insulation resistance