Device Numbers Flashcards
1
Q
11
A
Multifunction
2
Q
21
A
Distance
3
Q
23
A
Temperature control
4
Q
25
A
Synchronizing/Sync check
5
Q
27
A
AC under voltage
6
Q
30
A
Annunciator
7
Q
43
A
Manual transfer/selector
8
Q
49
A
Thermal
9
Q
50
A
Instantaneous overcurrent
10
Q
51
A
Time overcurrent
11
Q
52
A
Ac circuit breaker
12
Q
59
A
Overvoltage
13
Q
62
A
Time delay
14
Q
63
A
Pressure
15
Q
67
A
Directional overcurrent
16
Q
69
A
Permissive control
17
Q
71
A
Level
18
Q
72
A
DC circuit breaker
19
Q
74
A
Alarm
20
Q
79
A
Ac reclosing
21
Q
81
A
Frequency
22
Q
86
A
Lockout
23
Q
87
A
Differential
24
Q
89
A
Line switch
25
Q
90
A
Regulating device
26
Q
94
A
Tripping
27
Q
24
A
V/Hz
