The W-VACiMB medium-voltage vacuum circuit breaker is designed to protect transformers, capacitor banks, motors, bus bar sections, and cable. To withstand demanding environmental conditions in mining applications, the 17.5kV breaker is sealed from dust and contaminants and is suitable for high altitude, shock, vibration, and high ambient temperatures. In addition, the product makes and breaks power in a sealed environment with no external arcing in a 18 in. x 18 in. x 18 in., 133-lb package. It also serves both 50-Hz and 60-Hz segments of the underground mining industry.


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