| Range | ComPacT |
|---|---|
| Range of product | ComPact NSX400...630 |
| Device short name | ComPacT NSX400K |
| Product or component type | Circuit breaker |
| Device application | Special application |
| Number of poles | 4P |
| Protected poles description | 3t 3t + N/2 4t |
| Neutral position | Left |
| [In] rated current | 400 A at 40 °C |
| [Ue] rated operational voltage | 800...1000 V AC 50/60 Hz |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Utilisation category | Category A |
| [Icu] rated ultimate short-circuit breaking capacity | 36 kA Icu at 800 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 1000 V AC 50/60 Hz conforming to IEC 60947-2 |
| Performance level | K 10 kA 1000 V AC |
| Trip unit name | MicroLogic 2.3 |
| Trip unit technology | Electronic |
| Trip unit protection functions | LSoI |
| Control type | Toggle |
| Circuit breaker mounting mode | Fixed |