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- Schneider Electric C125S3NAFM ComPacT NS1250 NA 3P 1250 A Fixed Manually Operated Switch Disconnector Schneider Electric C125S3NAFM ComPacT NS1250 NA 3P 1250 A Fixed Manually Operated Switch Disconnector
Schneider Electric C125S3NAFM ComPacT NS1250 NA 3P 1250 A Fixed Manually Operated Switch Disconnector
Schneider Electric C125S3NAFM ComPacT NS1250 NA 3P 1250 A Fixed Manually Operated Switch Disconnector
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- Description
The Schneider Electric C125S3NAFM is a 3P ComPacT NS1250 NA switch-disconnector rated 1250 A (Ie, AC-23A) at up to 690 V AC, used to manually isolate and control low-voltage distribution circuits ahead of downstream protection devices. It is a fixed, front-connected device with a rated short-time withstand of 25 kA for 0.5 s and a short-circuit making capacity of 52 kA.
| Reference | C125S3NAFM |
| Brand | Schneider Electric |
| Product name | ComPacT NS new generation |
| Product type | Switch disconnector |
| Number of poles | 3P |
| Breaking capacity code | NA |
| [Ie] Rated operational current (AC-23A) | 1250 A, 220 V to 690 V AC |
| [Ue] Rated operational voltage | 690 V AC 50/60 Hz |
| [Ui] Rated insulation voltage | 800 V AC 50/60 Hz |
| [Uimp] Rated impulse withstand voltage | 8 kV |
| [Ith] Conventional free air thermal current | 1250 A at 60°C |
| [Icw] Rated short-time withstand current | 25 kA during 0.5 s, 4 kA during 20 s |
| [Icm] Rated short-circuit making capacity | 52 kA at 690 V AC |
| Control type | Manually operated |
| Mounting mode | Fixed |
| Connection (upside/downside) | Front / Front |
| Dimensions (W x H x D) | 327 mm x 210 mm x 147 mm |
| Net weight | 14 kg |
| IP degree of protection | IP40 |
| Standards | IECEE CB Scheme, IEC 60947-3 |
Certifications & Standards
- IECEE CB Scheme
- IEC 60947-3
Selection Notes
Use the 3P C125S3NAFM where the installation needs isolation on 3 conductors at 1250 A; pick the 4-pole version instead when the neutral conductor also needs a switched, isolatable pole. The 25 kA/0.5 s short-time withstand and 52 kA making capacity let this disconnector sit as a manually operated main incomer ahead of a ComPacT NSX breaker, without acting as a protection device itself.