The T&R 50A 3PH DSU current injection test set together with the T&R 50A 3PH DSU Delta-Star Supply Transformer and allows operation from 115v, 230v, 400v and 440v 3 wire supplies.
The T&R 50A 3PH secondary current injection test set is a three phase current injection test set. Designed for maintenance and commissioning engineers to test protective relay systems. The type of relays that can be tested are over and under current, IDMT, auto-reclosers, time delay, earth fault, mcb's, etc.
The unit has a range of outputs allowing injection of currents as low as a few mA and as high as 50A. Voltages up to 18V are available on the main outputs. Three true RMS metering ranges are provided, allowing the full scale of the meter and trip level to be set independently of the selected output. Industry standard safety connectors are used on all inputs and outputs for convenience, reliability and safety.
An auxiliary single phase output is also provided to supply power to a DVS3 voltage source.
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