All single-phase relay protection equipment that does not require variable frequency can be tested. This equipment used for three-phase relay protection equipment that can be tested phase and also phase phase shifting can be tested.

High current/high power output. Interconnect up to three test sets for three phase relays. It reads external volts and current with freeze and hold readings options. Its phase shift capability (0 to 360 degrees) can be meassured. This equipment comes with automated testing software.