Custom Search
|
|
|
||
 LANTNAVFACENGCOM A&E GUIDE
3/93
TYPICALLY USED ANSI CONTROL FUNCTION SYMBOLS
CONTROL SWITCH.
01
2
TIME DELAY RELAY.
15
25
SYNCHRONIZING RELAY.
27
UNDER VOLTAGE RELAY.
32
REVERSE POWER RELAY.
43
SELECTOR SWITCH.
46
NEGATIVE SEQUENCE CURRENT RELAY.
50
INSTANTANEOUS OVERCURRENT RELAY.
51
TIME OVERCURRENT RELAY.
52
AC CIRCUIT BREAKER.
59
OVERVOLTAGE RELAY.
63
SUDDEN PRESSURE RELAY.
67
DIRECTIONAL OVERCURRENT RELAY.
74
ALARM RELAY.
79
AC RECLOSING RELAY.
81
FREQUENCY RELAY.
86
LOCK-OUT RELAY.
87
DIFFERENTIAL RELAY.
APPENDIX D-3
|
 
|
|
|
||
