5.1.9 Technical data
Table 497: INRPHAR Technical data
Characteristic
Value
Operation accuracy At the frequency f = f
n
Current measurement:
±1.5% of the set value or ±0.002 × I
n
Ratio I2f/I1f measurement:
±5.0% of the set value
Reset time
+35 ms / -0 ms
Reset ratio Typically 0.96
Operate time accuracy +35 ms / -0 ms
5.1.10 Technical revision history
Table 498: INRPHAR Technical revision history
Technical revision Change
B Internal improvement
C Internal improvement
5.2 Circuit breaker failure protection CCBRBRF
5.2.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Circuit breaker failure protection CCBRBRF 3I>/Io>BF 51BF/51NBF
5.2.2 Function block
A070436 V4 EN
Figure 237: Function block
1MRS758755 A Section 5
Protection related functions
REC615 and RER615 465
Technical Manual
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