1MAC309294-MB F Section 4
Protection functions
RER620 243
Technical Manual
4.5.1.7 Settings
Table 253: 50BFT Non group settings
4.5.1.8 Monitored data
Table 254: 50BFT Monitored data
4.5.1.9 Technical data
Table 255: 50BFT Technical data
TRRET_C BOOLEAN Phase C Retrip
Name Type Description
Parameter Values (Range) Unit Step Default Description
Operation 1=Enable
5=Disable
5=Disable Operation Off / On
Current value 0.05...1.00 xIn 0.05 0.30 Operating phase current
Current value Gnd 0.05...1.00 xIn 0.05 0.30 Operating ground current
CB failure trip mode 1=2 out of 4
2=1 out of 3
3=1 out of 4
2=1 out of 3 Backup trip current check mode
CB failure mode 1=Current
2=Breaker status
3=Both
3=Both Operating mode of function
CB fail retrip mode 1=Disabled
2=Without Check
3=Current check
3=Current
Check
Operating mode of retrip logic
Retrip time 0...60000 ms 10 300 Delay timer for retrip
CB failure delay 0...60000 ms 10 1000 Delay timer for backup trip
CB fault delay 0...60000 ms 10 5000 Circuit breaker faulty delay
Measurement mode 2=DFT
3=Peak-to-Peak
2=DFT Phase current measurement mode of function
Trip pulse time 0...60000 ms 10 150 Pulse length of retrip and backup trip outputs
Name Type Values (Range) Unit Description
50BFT Enum 1=enabled
2=blocked
3=test
4=test/blocked
5=disabled
Status
Characteristic Value
Operation accuracy Depending on the frequency of the current
measured: f
n
±2Hz
±1.5% of the set value or ±0.002 x I
n
Trip time accuracy ±1.0% of the set value or ±20 ms