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View Full Version : What is mean by anti-pump relay

mawesh1999
Sep 22, 2010, 05:16 AM
What is mean by anti-pump relay and its working principle in vacuum circuit breaker.
Stratmando
Sep 22, 2010, 05:44 AM
http://www.powellservice.com/Service%20Manuals/SM-1000%20Anti-Pump%20Relay-FW.pdf