abb medium voltage vacuum circuit-breakers vd4
Post on 31-Dec-2015
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The new VD4 are a synthesis of renowned technology ABB. In designing and constructing vacuum interrupters embedded in poles, and excellency in design, engineering and production of circuit-breakers.The VD4 medium voltage circuit-breakers use vacuum interrupters embedded in the poles. This construction technique makes the circuit-breaker poles particularly sturdy and protects the interrupter from impacts, dust deposits and humidity. The vacuum interrupter houses the contacts and makes up the interrupting chamber.
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