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Vacuum Interrupters Inc. Logo Media Professional:

Please consider for publication, or story lede, this press release and safety bulletin from Vacuum Interrupters, Inc. about the electrical industry's first testing system capable of quantifying the remaining life expectancy of vacuum interrupters used in medium-voltage circuit breakers, and a related safety bulletin on how HiPot pass/fail tests can make a bad vacuum interrupter appear good.

Please follow the links in these summaries for the full text of the releases and access to high-resolution photos.

New 'MAC' Field Test System Quantifies Vacuum Interrupter Remaining Life MAC Testing TS-2
As tens of thousands of vacuum interrupters near the end of their 20-year expected lifetimes, Magnetron Atmospheric Condition (MAC) Test Set is the first and only field test capable of quantifying the remaining life of vacuum interrupters used in medium-voltage circuit protection devices...Read More

http://www.hardinb2b.com/HBC-Clients/groupcbs/vacuum-interrupters-inc.-mac-testing-release.html

How HiPot Tests Can Make Bad Vacuum Interrupters Appear Good
Under certain circumstances, you may unknowingly place a failed vacuum interrupter back into service...Read More

http://www.hardinb2b.com/HBC-Clients/groupcbs/safety-bulletin-hipot-tests-can-make-bad-vacuum-interrupter-appear-good.html

Thank you for your consideration, and do not hesitate to contact us if you have any questions or need additional information.

About Vacuum Interrupters, Inc.
Vacuum Interrupters, Inc., developer of the MAC Testing System, provides replacement vacuum interrupters, pole assemblies, and replacement vacuum interrupter parts and components for virtually any manufacturer's medium-voltage circuit breaker or contactor. Vacuum Interrupters, Inc. is a privately owned company based in Carrollton, TX. For more information, visit www.vacuuminterruptersinc.com, or call 214-442-5877.