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Table 23. Instantaneous residual overcurrent protection EFPIOC
Function
Range or value
Accuracy
Operate current
(1-2500)% of lBase
±
1.0% of I
r
at I
£
I
r
±
1.0% of I at I > I
r
Reset ratio
> 95%
-
Operate time
20 ms typically at 0 to 2 x I
set
-
Reset time
30 ms typically at 2 to 0 x I
set
-
Critical impulse time
10 ms typically at 0 to 2 x I
set
-
Operate time
10 ms typically at 0 to 10 x I
set
-
Reset time
40 ms typically at 10 to 0 x I
set
-
Critical impulse time
2 ms typically at 0 to 10 x I
set
-
Dynamic overreach
< 5% at
t
= 100 ms
-
Bay control REC650
1MRK 511 249-BEN -
Product version: 1.1
Issued: February 2011
52
ABB
Summary of Contents for REC650 ANSI
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