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Based on PWM (pulse, width and modulation) technology this single phase tester brings many powerful features.
The single phase relay test kits are designed for easy and safe test of different type of relays. The powerful 250A current source can be used to test all kinds of current relays, including high burden relay and CT. The AC/DC current and/or voltage sources allow phase angle and frequency to be adjusted smoothly. This makes it possible to precisely test directional and frequency relay. The kit uses advanced switching power amplifier to replace the traditional transformer, thus avoiding the dangerous high voltage across the current output.

Feature:
High power current source for high burden relay test
Capable of testing differential relay with two independent current sources
Capable of testing directional relay with adjustable phase angle
In-built Ammeter and Voltmteter
120s output time at 250A
Rotating mouse control and quick control buttons
large LCD display
Many ready test modules for automatic test applications