Table 52. Three-phase inrush current detection (INRPHAR)
Operation accuracy At the frequency f=f
n
Current measurement:
±1.5% of set value or ±0.002 x In
Ratio I2f/I1f measurement: ±5.0% of set value
Reset time +35 ms / -0 ms
Reset ratio Typical 0.96
Operate time accuracy +35 ms / -0 ms
Table. 53 Three-phase inrush current detection (INRPHAR) main settings
Parameter Function Value (Range) Step
Start value
(Ratio of the 2nd to the 1st har-
monic leading to restraint)
INRPHAR 5...100 % 1
Operate delay time INRPHAR 20...60000 ms 1
Maximum temperature
(temperature level for operate)
T1PTTR 20.0...200.0°C 0.1
Alarm value
(Temperature level for start
(alarm))
T1PTTR 20.0...150.0°C 0.1
Reclose temperature
(Temperature for reset of block
reclose after operate)
T1PTTR 20.0...150.0°C 0.1
Initial temperature
(Temperature raise above ambient
temperature at startup)
T1PTTR -50.0...100.0 °C 0.1
(Table continued)
Table 54. Arc protection (ARCSARC)
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 In, current before fault = 2.0 x set Phase start value, fn = 50Hz, fault with nominal
frequency, results based on statistical distribution 200 measurements
2) Includes the delay of the heavy-duty output contact
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