Calculation of final
temperature
Final Temp > Trip Temp
Actual Temp > Alarm Temp
Actual Temp > Trip Temp
Actual Temp < Recl Temp
Calculation of time to trip
Calculation of time to reset
of lockout
Calculation of actual
temperature
Lockout logic
AMBTEMP
START
TEMP
TRIP
LOCKOUT
TTRIP
TENRECL
I3P
ENMULT
SENSFLT
ALARM
BLKTR
BLOCK
IEC09000637-2-en.vsd
IEC09000637 V2 EN-US
Figure 54:
Functional overview of LCPTTR/LFPTTR
1MRK 505 384-UEN A
Section 6
Current protection
Breaker protection REQ650 2.2 IEC
147
Technical manual
Summary of Contents for impreza 2017
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