Schneider Electric ComPacT NSX C40W42D250 molded case circuit breaker, 4 poles, 250 A rated current, 100 kA Icu breaking capacity at 690 V AC, MicroLogic 2.3 electronic trip unit, LSoI protection, fixed mount.
| Parameter | Value |
|---|---|
| Product / component type | Circuit breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| [In] rated current | 250 A at 40 °C |
| Breaking capacity | 100 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 100 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 100 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| Parameter | Value |
|---|---|
| Poles description | 4P |
| Trip unit name | MicroLogic 2.3 |
| Trip unit technology | Electronic |
| Device short name | NSX400HB2 |
| Standards | EN/IEC 60947-2 |
The C40W42D250 is a Schneider ComPacT NSX molded case circuit breaker with 4 poles, rated 250 A at 40 °C, and a breaking capacity of 100 kA Icu at 690 V AC. It carries a MicroLogic 2.3 electronic trip unit providing LSoI protection: long-time overload (L), short-time short-circuit with fixed delay (So), and instantaneous short-circuit (I). Thermal memory holds 20 minutes before and after tripping.
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