| Range | Compact
|
| Range of product | NSX400...630 DC
|
| Product name | Compact NSX
|
| Product or component type | Circuit breaker
|
| Device short name | Compact NSX250 DC
|
| Device application | Distribution
|
| Poles description | 3P
|
| Protected poles description | 3t
|
| Network type | DC
|
| [In] rated current | 250 A ( 40 °C )
|
| [Ui] rated insulation voltage | 750 V DC conforming to IEC 60947-2
|
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2
|
| [Ue] rated operational voltage | 750 V DC conforming to IEC 60947-2
|
| Breaking capacity code | F
|
| Breaking capacity | 36 kA Icu at 750 V DC 3P conforming to IEC 60947-2
36 kA Icu at 500 V DC 2P conforming to IEC 60947-2
36 kA Icu at 250 V DC 1P conforming to IEC 60947-2
|
| [Ics] rated service breaking capacity | Ics 36 kA 750 V DC conforming to IEC 60947-2
|
| Suitability for isolation | Yes conforming to IEC 60947-2
|
| Utilisation category | Category A
|
| Trip unit name | TM-DC
|
| Trip unit technology | Thermal-magnetic
|
| Trip unit rating | 250 A ( 40 °C )
|
| Protection type | Overload protection (thermal)
Short-circuit protection (magnetic)
|
| Pollution degree | 3 conforming to IEC 60947-2
|