Schneider C40S4TM320D Compact For Dc Networks, New Generation — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Product / component type | Circuit breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| [In] rated current | 320 A at 40 °C |
| Breaking capacity | 100 kA Icu at 24...125 V DC 1 pole conforming to IEC 60947-2 100 kA Icu at 250 V DC 1 pole conforming to IEC 60947-2 100 kA Icu at 500 V DC 2 poles in series conforming to IEC 60947-2 100 kA Icu at 750 V DC 3 poles in series conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 100 kA at 24...125 V DC conforming to IEC 60947-2 100 kA at 250 V DC conforming to IEC 60947-2 100 kA at 500 V DC conforming to IEC 60947-2 100 kA at 750 V DC conforming to IEC 60947-2 |
| [Ue] rated operational voltage | 750 V DC |
| [Ui] rated insulation voltage | 750 V DC conforming to IEC 60947-2 |
| Parameter | Value |
|---|---|
| Poles description | 4P |
| Trip unit name | TM-DC |
| Trip unit technology | Thermal-magnetic |
| Device short name | NSX400S DC |
| Standards | EN/IEC 60947-2 |
The C40S4TM320D is a Schneider ComPacT NSX DC molded case circuit breaker rated 320 A at 40 °C with a 100 kA breaking capacity at 750 V DC, built for four-pole DC distribution. It carries a TM-DC thermal-magnetic trip unit providing LI protection (overload and short-circuit), is fixed-mounted with front connection, and meets EN/IEC 60947-2 with IP40 enclosure protection.
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