ANSI Numbers Flashcards
1
Q
21
A
Distance Relay
2
Q
25
A
Synchronizing or Synchronism-check Device
3
Q
27
A
Undervoltage Relay
4
Q
32
A
Directional Power Relay
5
Q
43
A
Manual Transfer or Selector Device
6
Q
46
A
Reverse-phase or Phase-balance current Relay
7
Q
50
A
Instantaneous Overcurrent Relay
8
Q
51
A
AC Time overcurrent relay
9
Q
52
A
AC Circuit breaker
10
Q
59
A
Overvoltage relay
11
Q
62
A
Time-delay Stopping or Opening Relay
12
Q
63
A
Pressure Switch
13
Q
64
A
Ground Detector Relay
14
Q
67
A
AC Directional Overcurrent Relay
15
Q
74
A
Alarm Relay
