Parameter Values (Range) Unit Step Default Description
Trip pulse time 0...60000 ms 10 200 Pulse length of ret-
rip and backup trip
outputs
Start latching
mode
1=Rising edge
2=Level sensitive
1=Rising edge Start reset delayed
or immediately
5.2.8 Monitored data
Table 779: CCBRBRF Monitored data
Name Type Values (Range) Unit Description
CCBRBRF Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
5.2.9 Technical data
Table 780: CCBRBRF Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured current: f 
n
 ±2
Hz
±1.5 % of the set value or ±0.002 × I 
n
Operate time accuracy ±1.0 % of the set value or ±20 ms
Reset time 
1
Typically 40 ms
Retardation time <20 ms
5.2.10 Technical revision history
Table 781: CCBRBRF Technical revision history
Technical revision Change
B Default trip pulse time changed to 150 ms
C Added new setting parameter 
Start latching
mode
. Maximum value changed to 2.00 xIn
for the 
Current value
 setting.
D Internal improvement.
E Maximum value for 
Current value
 and 
Current
value Res
 changed from “1.00 x In” to “2.00 x
In”.
F Step for 
Current value
 and 
Current value Res
changed from "0.05" to "0.01".
1
Trip pulse time defines the minimum pulse length
1MRS757644 H Protection related functions
620 series
Technical Manual
815