ABB REF630 User Manual

Table 67. Circuit breaker failure protection (CCBRBRF)
Characteristic Value
Operation accuracy At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
n
Operate time accuracy ±1.0% of the set value or ±30 ms
Table 68. Circuit breaker failure protection (CCBRBRF) main settings
Parameter Function Value (Range) Step
Current value
(Operating phase
current)
CCBRBRF 0.05...1.00 pu 0.05
Current value Res
(Operating residual
current)
CCBRBRF 0.05...1.00 pu 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 0.00...60.00 s 0.01
CB failure delay CCBRBRF 0.00...60.00 s 0.01
CB fault delay CCBRBRF 0.00...60.00 s 0.01
Feeder Protection and Control 1MRS756380 A
REF630
Product version: 1.0 Issued: 15.09.2009
ABB 47

ABB REF630 Specifications

General

Brand	ABB
Model	REF630
Category	Protection Device
Language	English