Schneider LV438278 Compact Nsx For Direct Current — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Product / component type | Circuit breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Number of poles | 3P |
| Parameter | Value |
|---|---|
| [In] rated current | 500 A at 40 °C |
| [Ue] rated operational voltage | 750 V DC |
| [Ui] rated insulation voltage | 750 V DC conforming to IEC 60947-2 |
| Parameter | Value |
|---|---|
| Trip unit name | TM-DC |
| Trip unit technology | Thermal-magnetic |
| Device short name | NSX500 DC |
| Standards | EN/IEC 60947 |
The LV438278 is a Schneider ComPact NSX DC molded case circuit breaker rated 500 A at 40 °C on a 750 V DC network, with a 100 kA breaking capacity and a thermal-magnetic TM-DC trip unit providing L (overload) and I (short-circuit) protection. It is a 3-pole fixed-mount unit with toggle control, front-connected terminals at 45 mm pitch, and carries EN/IEC 60947-2 certification with isolation suitability.