ABB RED615 Product Manual page 44

Line Differential Protection and Control
RED615
Product version: 4.0
Table 51. Circuit breaker failure protection (CCBRBRF) main settings
Parameter
Current value (Operating
phase current)
Current value Res
(Operating residual current)
CB failure mode (Operating
mode of function)
CB fail trip mode
Retrip time
CB failure delay
CB fault delay
Table 52. Three-phase thermal overload protection for feeders (T1PTTR)
Characteristic
Operation accuracy
1)
Operate time accuracy
1) Overload current > 1.2 x Operate level temperature
44
Function
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
CCBRBRF
Value (Range)
0.05...1.00 x I
n
0.05...1.00 x I
n
1=Current
2=Breaker status
3=Both
1=Off
2=Without check
3=Current check
0...60000 ms
0...60000 ms
0...60000 ms
Value
Depending on the frequency of the current measured: f
±2 Hz
Current measurement: ±1.5% of the set value or ±0.002
x I (at currents in the range of 0.01...4.00 x I
n
±2.0% of the theoretical value or ±0.50 s
1MRS756500 F
Step
0.05
0.05
-
-
10
10
10
n
)
n
ABB