Schneider Electric ComPact NSX DC LV438276 molded case circuit breaker, 3-pole, 320 A TM-DC trip unit, 100 kA breaking capacity at 500 V DC, 750 V DC insulation voltage, fixed mount, toggle control.
| Parameter | Value |
|---|---|
| Product / component type | Circuit breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Number of poles | 3P |
| Parameter | Value |
|---|---|
| [In] rated current | 320 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 | NSX320 DC |
| Standards | EN/IEC 60947 |
The LV438276 is a Schneider ComPact NSX DC 3-pole molded case circuit breaker rated 320 A at 40 °C with a TM-DC thermal-magnetic trip unit, breaking 100 kA at 500 V DC and carrying a 750 V DC insulation voltage.
The 320 A trip unit on this 3-pole frame suits DC distribution loads up to 320 A continuous; the 100 kA breaking capacity at 500 V DC covers high-fault DC bus applications. Fixed-mount, toggle-operated, with front connection surfaces for panel wiring.