| Characteristic | Value | |||
|---|---|---|---|---|
| Operation accuracy | Depending on the frequency of the measured voltage: f n ±2 Hz | |||
| ±1.5% of the set value or ±0.002 × U n | ||||
| Start time | Minimum | Typical | Maximum | |
| U Fault = 2 × set Start value |
48 ms |
51 ms |
54 ms |
|
| Reset time | Typically 40 ms | |||
| Reset ratio | Typically 0.96 | |||
| Retardation time | <35 ms | |||
| Operate time accuracy in definite time mode | ±1.0% of the set value or ±20 ms | |||
| Suppression of harmonics | DFT: -50 dB at f = n × f n, where n = 2, 3, 4, 5,… | |||
1 Residual voltage before fault = 0.0 × U n, f n = 50 Hz, residual voltage 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