18
Technical data
Low-set overcurrent stage I>
Start current I>
0.5...2.5 x I
n
Start time, typically
55 ms
Operate time t> at definite time
characteristic
0.05...1.00 s, 0.5...10.0 s or
5...100 s
Time/current curves at inverse
time characteristic (IDMT)
Extremely inverse
Very inverse
Normal inverse
Long-time inverse
Time multiplier k
0.05...1.00
Reset time, typically
60 ms
Retardation time
<30 ms
Drop-off/pick-up ratio, typically
0.96
Operation time accuracy at
definite time operation characteristic
±
2% of set value or
±
25 ms
Operation time accuracy class E at
inverse time mode of operation
5
Operation accuracy
±
3% of set value
High-set overcurrent stage I>>
Start current I>>
2.5...20.0 x I
n
&
∞
, infinite or
0.5...4.0 x I
n
&
∞
, infinite
Start time, typically
40 ms
Operation time t>>
0.04...1.00 s, 0.4...10.0 s or
4...100 s
Reset time, typically
60 ms
Retardation time
<30 ms
Drop-off/pick-up ratio, typically
0.96
Operation time accuracy
±
2% of set value or
±
25 ms
Operation accuracy
±
3% of set value