Technical Data - ABB REL 551-C1*2.5 Technical Reference Manual

Protect line differential protection terminal
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1.7
84
Current circuit supervision, current based
(CTSU)

Technical data

Table 96:
CTSU - Current circuit supervision, current based
Function
Operate current, IMinOp
Setting range
5-100% of I1b in steps of 1%
Chapter 6
Secondary system supervision
Accuracy
± 5.0% of I
r

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