| Characteristic | Value | |||
|---|---|---|---|---|
| Operation accuracy | Depending on the frequency of the measured current: f n ±2 Hz | |||
|
DEFLPDEF |
Current: ±1.5% of the set value or ±0.002 × I n Voltage ±1.5% of the set value or ±0.002 × U n Phase angle: ±2° |
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|
DEFHPDEF |
Current: ±1.5% of the set value or ±0.002 × I n (at currents in the range of 0.1…10 × I n) ±5.0% of the set value (at currents in the range of 10…40 × I n) Voltage: ±1.5% of the set value or ±0.002 × U n Phase angle: ±2° |
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| Start time 1, 2 | Minimum | Typical | Maximum | |
|
DEFHPDEF I Fault = 2 × set Start value |
42 ms |
46 ms |
49 ms |
|
|
DEFLPDEF I Fault = 2 × set Start value |
58 ms |
62 ms |
66 ms |
|
| Reset time | Typically 40 ms | |||
| Reset ratio | Typically 0.96 | |||
| Retardation time | <30 ms | |||
| Operate time accuracy in definite time mode | ±1.0% of the set value or ±20 ms | |||
| Operate time accuracy in inverse time mode |
±5.0% of the theoretical value or ±20 ms 3 |
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| Suppression of harmonics |
RMS: No suppression DFT: -50 dB at f = n × f n, where n = 2, 3, 4, 5,… Peak-to-Peak: No suppression |
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1 Set Operate delay time = 0.06 s, Operate curve type = IEC definite time, Measurement mode = default (depends on stage), current before fault = 0.0 × I n, f n = 50 Hz, earth-fault current with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measurements
2 Includes the delay of the signal output contact
3 Maximum Start value = 2.5 × I n, Start value multiples in range of 1.5...20