Relay and Metering Flashcards
1
Q
86
A
Lockout relay
2
Q
27
A
Undervoltage relay
3
Q
50BF
A
Breaker failure
4
Q
52
A
AC circuit breaker
5
Q
63
A
Pressure switch
6
Q
86
A
Lockout relay
7
Q
87
A
Differential relay
8
Q
89
A
Line switch
9
Q
94
A
Tripping relay
10
Q
21
A
Distance relay (impedance)
11
Q
26
A
Thermal relay ?
12
Q
49
A
Thermal relay?
13
Q
50
A
Instantaneous over current relay
14
Q
51
A
Inverse time over current relay
15
Q
71
A
Liquid level switch
