-ETHOD OF OPERATION3*
6
#
' #
3*
3*
4RIP CIRCUIT
FAILURE
,
,
")
42
#,/3%
42)0
4#
42 4RIP RELAY OF 3*
OR ANY OTHER PROTECTION RELAY
") "INARY INPUT OF 3*
4# #IRCUIT BREAKER TRIP COIL
!UX #" AUXILIARY CONTACTS
2 2EPLACEMENT RESISTOR FOR ")
5
CV
#ONTROL VOLTAGE
") ,
&AILURE
4RIP CIRCUIT
( (
&IGURE 0RINCIPLE OF TRIP CIRCUIT SUPERVISION WITH ONE BINARY INPUT
N
N NUMBER OF REPEATED STATUS CHECKS
#" AUXILIARY CONTACTS ILLUSTRATED
FOR CLOSED BREAKER
5
CV
!UX
!UX
2
#"
OR ANY OTHER
PROTECTION RELAY
www . ElectricalPartManuals . com