PW466i (6*20A, 6*150V) is a powerful secondary injection test set with 6-currents and 6-voltages sources.This advanced secondary injection kit is capable of testing differential relay and synchronizing relay. Optional upgrade is available to support the test of IEC61850 relay. Features 6*20A, 6*150V Aux DC (0-300V) 8 binary inputs, 4 binary outputs Adjustable threshold (0-400V) for binary inputs In-built analog monitoring and recording function Can be upgraded to support the test of IEC61850 complied relay