Current Window Comparitor

The unit interfaces with 5 Amp secondary C.T’s. When power is applied the relay energises immediately, ignoring load conditions for 10 seconds. After the start- up delay, the relay will remain energised whilst the current is maintained between the pre-set over and under load limits. If the load rises or falls beyond the set limits the relay de-energises. A LED indicates if an over or under load condition has occurred. “Hysteresis” is set at 2%. A latch facility is available between terminals 8 + 9. Adjustable response delay 1 - 10 sec on request.