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It is a 4 poles basic frame for ComPacT NSX 2+C3:C950S DC circuit breaker, designed to optimize space and breaking capacity. It's an optimal choice for applications using DC voltages. The breaking capacity (Icu) is 100kA rms at 750VDC. The rated current is 250A and the operational voltage is 750VDC. This basic frame comes without trip unit (to be ordered separately) and can be equipped with a variety of optional functions and accessories. The dimensions are 161x140x86 mm (H x W x D). It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | NSX250S DC |
| Device application | distribution |
| Breaking capacity code | S 100 kA 750 V DC |
| Suitability for isolation | yes conforming to EN/IEC 60947-2 |
| Breaking capacity | 100 kA Icu at 750 V DC 3P conforming to IEC 60947-2, 100 kA Icu at 500 V DC 2P conforming to IEC 60947-2, 100 kA Icu at 24...125 V DC 1P conforming to IEC 60947-2, 100 kA Icu at 250 V DC 1P conforming to IEC 60947-2 |
| Mounting mode | fixed |
| Control type | toggle |
| Range | ComPacT new generation |
| Range of product | ComPacT NSX100...250 DC new generation |
| Neutral position | left |
| Poles description | 4P |
| Utilisation category | category A |
| Product name | ComPacT NSX DC new generation |
| Product or component type | basic frame |
| Network type | DC |
| [Ue] rated operational voltage | 750 V DC conforming to IEC 60947-2 |
| [In] rated current | 250 A at 40 °C |
| Complementary | |
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2 |
| Protection type | without protection |
| Compatibility code | NSX250 |
| Electrical durability | 5000 cycles 750 V DC In conforming to IEC 60947-2, 5000 cycles 500 V DC In conforming to IEC 60947-2, 5000 cycles 250 V DC In conforming to IEC 60947-2, 10000 cycles 750 V DC In/2 conforming to IEC 60947-2, 10000 cycles 500 V DC In/2 conforming to IEC 60947-2, 10000 cycles 250 V DC In/2 conforming to IEC 60947-2 |
| Upside connection | front |
| Downside connection | front |
| Connection pitch | 35 mm |
| Height | 161 mm |
| [Ics] rated service breaking capacity | 100 kA at 750 V DC conforming to IEC 60947-2 (3P), 100 kA at 500 V DC conforming to IEC 60947-2 (2P), 100 kA at 24...125 V DC conforming to IEC 60947-2 (1P), 100 kA at 250 V DC conforming to IEC 60947-2 (1P) |
| Depth | 86 mm |
| Width | 140 mm |
| Mechanical durability | 10000 cycles conforming to IEC 60947-2 |
| [Ui] rated insulation voltage | 750 V DC conforming to IEC 60947-2 |
| Maximum breaking time | 10 ms |
| Mounting support | backplate |
| Environment | |
| Ambient air temperature for storage | -50-85 °C |
| Pollution degree | 3 conforming to IEC 60664-1 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Ambient air temperature for operation | -25-70 °C |
| IK degree of protection | IK07 conforming to EN 50102 |
| Standards | IEC 60947-2 |
| Product certifications | ASEFA, ASTA, KEMA, LCIE |
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