Schneider C40F37E400 Compact Nsx, New Generation — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Earth-leakage protection class / type | Class A |
| Trip unit technology | Electronic |
| Local signalling / indication | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Parameter | Value |
|---|---|
| Rated current (In) | 400 A at 40 °C |
| Rated operational voltage (Ue) | 440 V AC 50/60 Hz |
| Poles description | 3P |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Rated insulation voltage (Ui) | 500 V AC 50/60 Hz |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Overvoltage category | IV |
| Electrical durability | 12000 cycles at 440 V In/2 6000 cycles at 440 V In 6000 cycles at 690 V In/2 3000 cycles at 690 V In |
| Mechanical durability (operating cycles) | 15000 cycles |
| Parameter | Value |
|---|---|
| Product name | ComPacT NSX |
| Product / component type | Earth leakage circuit breaker |
| Product range / family | ComPacT |
| Device short name | NSX400F |
| Parameter | Value |
|---|---|
| Mounting support | Backplate |
| Mounting position | Horizontal and vertical Flat on the back |
| Control type | Toggle |
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...70 °C |
| Storage ambient temperature | -40...85 °C |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Relative humidity | 0...95 % |
| Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
| Parameter | Value |
|---|---|
| Standards | EN/IEC 60947-2 |
The C40F37E400 is a Schneider ComPacT NSX molded case circuit breaker rated 400 A at 40 °C with a 40 kA ICu breaking capacity at 440 V AC, three poles, and a MicroLogic 7.3 E electronic trip unit that integrates earth-leakage protection (R) alongside overload (L), short-time (S), and instantaneous (I) curves.
The C40F37E400 is in active production; lead time is typically quoted per RFQ, and the part is available through current distribution channels.
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