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Switchgear abb power consulting leakage test manufacturer

Vacuum Circuit Breakers Testing Methods - Switchgear Content· Vacuum Interrupter Leak Rate Test Set Up. There will always be some leakage in even the best VIs, and that leakage may be slow enough that the VI will meet or even exceed the manufacturer's predicted service life. On the other hand, unexpected increases in the leak rate can greatly shorten VI life.

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