JW9-252～1100 Opening & Closing high parameter induced current type high voltage earthing switchgear
JW9-252～1100 series high voltage AC earthing switchgear is mainly used as earthing for common tower paralleled double (or multiple) circuit high voltage transmission line. Auxiliary circuit is adopted vacuum arc-extinguishing chamber or circuit breaker's to opening B type or ultra-B type earthing induced current. JW9-252 is single post with vertical open structure, JW-363~1100 is single post with vertical telescopic structure.
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