ANSI DEVICES Flashcards
1
Q
instantaneous overcurrent relay
A
50
2
Q
time overcurrent relay
A
51
3
Q
instantaneous ground overcurrent relay
A
50N
4
Q
time ground overcurrent relay
A
51N
5
Q
recloser switch
A
43R
6
Q
auto recloser relay
A
79
7
Q
power circuit breaker
A
52
8
Q
current transformer
A
CT
9
Q
undervoltage relay
A
27
10
Q
ac directional relay
A
67
