Table 49. Circuit breaker failure protection (CCBRBRF) main settings
Parameter Function Value (Range) Step
Current value (Operating
phase current)
CCBRBRF 0.05...1.00 x I
n
0.05
Current value Res
(Operating residual current)
CCBRBRF 0.05...1.00 x I
n
0.05
CB failure mode (Operating
mode of function)
CCBRBRF 1=Current
2=Breaker status
3=Both
-
CB fail trip mode CCBRBRF 1=Off
2=Without check
3=Current check
-
Retrip time CCBRBRF 0...60000 ms 10
CB failure delay CCBRBRF 0...60000 ms 10
CB fault delay CCBRBRF 0...60000 ms 10
Table 50. Arc protection (ARCSARC)
Characteristic Value
Operation accuracy ±3% of the set value or ±0.01 x I
n
Operate time Minimum Typical Maximum
Operation mode
= "Light
+current"
1)2)
9 ms 12 ms 15 ms
Operation mode
= "Light
only"
2)
9 ms 10 ms 12 ms
Reset time < 40 ms
Reset ratio Typical 0.96
1)
Phase start value
= 1.0 x I
n
, current before fault = 2.0 x set
Phase start value
, f
n
= 50 Hz, fault with nominal frequency, results based on statistical
distribution of 200 measurements
2) Includes the delay of the heavy-duty output contact
Table 51. Arc protection (ARCSARC) main settings
Parameter
Function Value (Range) Step
Phase start value
(Operating phase current)
ARCSARC 0.50...40.00 x I
n
0.01
Ground start value
(Operating residual current)
ARCSARC 0.05...8.00 x I
n
0.01
Operation mode ARCSARC 1=Light+current
2=Light only
3=BI controlled
Table 52. Multipurpose protection (MAPGAPC)
Characteristic
Value
Operation accuracy ±1.0% of the set value or ±20 ms
Transformer Protection and Control 1MRS756891 F
RET615
Product version: 4.0
ABB 45