Alpha M
Technical specifications
| Earth fault detection methods | - |
|---|---|
| Low-impedance/short-term low-impedance earthed | --- |
| Isolated earthed | - |
| Resonant earthed | - |
| Short-circuit trip current | 400, 600, 800, 1.000 A |
| Response delay short-circuit | 100 ms |
| Indication | 3 bistabile Anzeigeelemente für L1, L2, L3 |
| Relay contacts | 1 |
| Remote contact | Potenzialfreier Dauer- oder Wischkontakt (>100 ms)Kontaktleistung: 230 V AC/1 A/62,5 VA max. 220 V DC/1 A/60 W max. |
| Internal power supply | - |
| External auxiliary supply | - |
| CT powered | --- |
| Alpha E: Reset | - |
| Alpha M: Reset | - |
| Housing | Polycarbonat, IP40 |
| Temperature range | -30 °C bis +70 °C |
| Cable diameter | - |
