Device Numbers 51-60 Flashcards
1
Q
51
A
AC over current relay
2
Q
52
A
AC circuit breaker or contactor
3
Q
53
A
Exciter or generator relay
4
Q
54
A
High-speed circuit breaker
5
Q
55
A
Power factor relay
6
Q
56
A
Field application relay or device
7
Q
57
A
Reserved for future application
8
Q
58
A
Reserved for future application
9
Q
59
A
AC overvoltage relay
10
Q
60
A
Voltage balance relay
