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“Utilizing the Penning discharge principle, our MAC-TS4 vacuum interrupter tester, or test set, can easily determine the pressure inside a vacuum interrupter and this, along with wear, age and number of operations, predicts the usable life of the vacuum interrupters used in your circuit breakers and contactors,” says Finley Ledbetter, CEO and chief scientist of Group CBS. (Vacuum Interrupters, Inc. is an affiliate company of Group CBS.) “Until now, this type of testing could only be done at the assembly plant.”

Used in conjunction with the MAC-TS4 test set, the PowerVac rigid magnetic field coil slides over the PowerVac pole assembly, allowing the technician to determine the interrupter’s remaining lifespan without removing the vacuum interrupter. The MAC-TS4 and rigid coils reduce the downtime required to test vacuum interrupters in the field and help prevent unnecessary damage to your circuit breakers and contactors by identifying impending failures before they happen.

This easy-to-use portable PowerVac rigid coil is the first of many breaker-specific coils currently being developed by Vacuum Interrupters, Inc.

About Vacuum Interrupters, Inc.
Vacuum Interrupters, Inc., developer of the MAC vacuum interrupter test and circuit breaker timer (CBT) systems, 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, Texas. For more information, visit http://www.vacuuminterruptertesting.com/, or call 214-442-5877.

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