Which of the following codes and device names are all correct?

Which of the following codes and device names are all right?

A. 27-Overvoltage Relay, 51-Time Overcurrent Relay, 59-Undervoltage Relay
B. 27-Overvoltage Relay, 51-Undervoltage Relay, 59-Time Overcurrent Relay
C. 27-Undervoltage Relay, 51-Time Overcurrent Relay, 59-Overvoltage Relay
D. 27-Undervoltage Relay, 51-Overvoltage Relay, 59-Time Overcurrent Relay

Show Answer

Answer: C

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