Vacuum Interrupters Inc. has introduced its new MAC-TS4 vacuum interrupter tester, the only test set capable of conducting predictive testing on vacuum interrupters in the field. March 18, 2014 Vacuum ...

Vacuum Interrupters, Inc.'s new magnetron atmospheric condition (MAC) MAC-TS1 shop testing and MAC-TS2 field-service systems are for quantifying the remaining life of vacuum interrupters used in ...

Large circuit breakers in service today at industrial and commercial facilities come in many shapes, sizes, configurations, and voltage ratings — with the primary purpose of protecting electrical ...