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It is a ComPacT NSXm NA 50A switch disconnector, category AC-22A/AC-23A. It is designed to ensure a reliable isolation switching. It offers new features like Everlink technology, DIN rail and plate mounting capability. It embeds new spring type auxiliaries externally visible. This 3 poles version is compatible with ComPacT NSXm circuit breakers accessories and auxiliaries. ComPacT NSXm NA has the same footprint as ComPacT NSXm circuit breakers, 81mm (W) x 137mm (H) x 80mm (D). It ensures compliance with international standards (IEC 60947/CCC/EAC) and marine specifications.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device application | distribution |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Ie] rated operational current | AC-22: 50 A AC 50/60 Hz, AC-23: 50 A AC 50/60 Hz |
| Suitability for isolation | yes conforming to EN/IEC 60947-3 |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| Utilisation category | AC-23A, AC-22A |
| Network type | AC |
| Device short name | NSXm 50NA |
| [Icw] rated short-time withstand current | 200 A during 20 s, 900 A during 3 s, 900 A during 1 s |
| Mounting mode | fixed |
| Control type | toggle |
| Range | ComPacT new generation |
| [Ith] conventional free air thermal current | 50 A at 40 °C |
| Range of product | ComPacT NSXm new generation |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Poles description | 3P |
| [Icm] rated short-circuit making capacity | 150 kA with upstream protection circuit breaker, 1.28 kA switch-disconnector alone |
| Product name | ComPacT NSXm new generation |
| Product or component type | switch disconnector |
| Visible break | no |
| Breaking capacity code | NA |
| Contact position indicator | yes |
| [In] rated current | 50 A |
| Network frequency | 50/60 Hz |
| Complementary | |
| Electrical durability | AC-23A: 3000 cycles 690 V AC 50/60 Hz Ie, AC-22A: 5000 cycles 690 V AC 50/60 Hz Ie, AC-23A: 6000 cycles 690 V AC 50/60 Hz Ie/2, AC-22A: 10000 cycles 690 V AC 50/60 Hz Ie/2, AC-23A: 10000 cycles 440 V AC 50/60 Hz Ie, AC-22A: 10000 cycles 440 V AC 50/60 Hz Ie, AC-23A: 20000 cycles 440 V AC 50/60 Hz Ie/2, AC-22A: 20000 cycles 440 V AC 50/60 Hz Ie/2 |
| Height | 137 mm |
| Mechanical durability | 20000 cycles |
| Net weight | 1.06 kg |
| Product certifications | CCC, EAC, CE |
| Connection pitch | 27 mm |
| Depth | 80 mm |
| Width | 81 mm |
| Connections - terminals | bars, 1 crimp lug wire size 2.5-95 mm², flexible aluminium/copper, 1 crimp lug wire size 2.5-120 mm², rigid or stranded aluminium/copper |
| Mounting support | backplate, 35 mm symmetrical DIN rail |
| Standards | EN/IEC 60947-3, EN/IEC 60947-1 |
| Environment | |
| Ambient air temperature for storage | -50-85 °C |
| Electrical shock protection class | class II |
| 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 IEC 62262 |
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