Device Numbers Flashcards
1
Q
21
A
Impedance
2
Q
25
A
Synchronizing
3
Q
27
A
Under-voltage
4
Q
30
A
Alarm
5
Q
51
A
Over-current
6
Q
59
A
Over-voltage
7
Q
63
A
Pressure
8
Q
64
A
CB fault
9
Q
67
A
Directional
10
Q
79
A
Reclosing
11
Q
85
A
Carrier
12
Q
87
A
Differential
13
Q
87X
A
Differential Lockout
14
Q
551X
A
Breaker failure lockout
15
Q
94
A
Transfer trip
