1. How many waveforms can be stored in the disturbance recorder of Argus 1 relay?

Ans. It can store upto 5 waveforms with a duration of 1 second each.

2. How many setting groups are available in the Argus 2 relay?

Ans. It has got 8 setting groups.

3. Can Rho 3 relay accept rotor speed switch input for stall protection?

Ans. Yes, it can accept.

4. Is it possible to trigger the waveform in Rho 3 relay, during the starting of motor?

Ans. Yes, the waveform can be triggered.

5. Does DUOBIAS 200 series relay have in-built stabilising resistors and non-linear resistor for REF protection?

Ans. No, they have to be provided externally.

6. Does the DUOBIAS 200 series relay have in-built REF protection?

Ans. Yes, it has got in-built REF protection.