| Characteristic | Value | |||
|---|---|---|---|---|
| Operation accuracy | Depending on the frequency of the measured current: f n ±2 Hz | |||
| ±3.0% of the set value or ±0.002 × I n | ||||
| Start time |
Minimum |
Typical |
Maximum |
|
|
Low stage High stage |
36 ms 21 ms |
41 ms 22 ms |
46 ms 24 ms |
|
| Reset time | Typically 40 ms | |||
| Reset ratio | Typically 0.96 | |||
| Suppression of harmonics | DFT: -50 dB at f = n × f n, where n = 2, 3, 4, 5, … | |||
1 Current before fault = 0.0, f n = 50 Hz, results based on statistical distribution of 1000 measurements
2 Includes the delay of the output contact. When differential current = 2 × set operate value and f n = 50 Hz.