Supplier of Single phase secondary current injection test set High current ac outout High current dc output AC/DC Current output unique feature, output 250Aac continuously for 120 seconds, could be used for testing motor overload relay easily. Also,

Three Phase Automatic relay test kitFor testing of Overcurrent , earth fault, directional, overvoltage, undervoltage, frequency, df/dt , differential, distance, generator protection, motor protection relays.Available in 3 phase, 6 phase versionEa