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View Full Version : Why vacuum circuit breaker is prefer on oil circuit breaker ?

Engineer Hassan
Jun 4, 2012, 05:35 AM
Why vacuum circuit breaker is prefer on oil circuit breaker ?
tkrussell
Jun 4, 2012, 07:07 AM
This may help you:

http://www.netaworld.org/files/neta-journals/NWsu10-Doble.pdf