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- Schneider Electric C11N3TM050B ComPacT NSXm 63N 3P 50 A 50 kA TM-D Fixed Moulded Case Circuit Breaker Schneider Electric C11N3TM050B ComPacT NSXm 63N 3P 50 A 50 kA TM-D Fixed Moulded Case Circuit Breaker
Schneider Electric C11N3TM050B ComPacT NSXm 63N 3P 50 A 50 kA TM-D Fixed Moulded Case Circuit Breaker
Schneider Electric C11N3TM050B ComPacT NSXm 63N 3P 50 A 50 kA TM-D Fixed Moulded Case Circuit Breaker
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- Description
The Schneider Electric C11N3TM050B is a 3P ComPacT NSXm 63N moulded case circuit breaker rated 50 A at 40°C, built on a TM-D thermal-magnetic trip unit with 50 kA breaking capacity (Icu) at 380/415 V AC. It is a fixed-mounting device with front compression lug or busbar connection for low-voltage distribution circuits up to 690 V AC.
| Reference | C11N3TM050B |
| Brand | Schneider Electric |
| Range / Product name | ComPacT NSXm |
| Device short name | NSXm 63N |
| Number of poles | 3P |
| Protected poles | 3D |
| [In] Rated current | 50 A at 40°C |
| [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 |
| [Icu] Rated ultimate breaking capacity | 90 kA at 220/240 V AC, 50 kA at 380/415 V AC, 50 kA at 440 V AC, 25 kA at 500 V AC, 15 kA at 525 V AC, 10 kA at 660/690 V AC |
| [Ics] Rated service breaking capacity | 90 kA at 220/240 V AC, 50 kA at 380/415 V AC, 50 kA at 440 V AC, 25 kA at 500 V AC, 15 kA at 525 V AC, 2.5 kA at 660/690 V AC |
| Trip unit name | TM-D |
| Trip unit technology | Thermal-magnetic |
| Trip unit protection functions | LI (long-time + instantaneous) |
| [Ir] Long-time pickup adjustment range | 0.7...1 x In |
| [Ii] Instantaneous pickup adjustment range | 600 A |
| Power dissipation per pole | 4.6 W |
| Control type | Toggle |
| Mounting mode | Fixed |
| Connection terminals | Compression lug/busbar |
| Dimensions (W x H x D) | 81 mm x 137 mm x 80 mm |
| Net weight | 1.06 kg |
| IP degree of protection | IP40 |
| Standards | EN/IEC 60947-2 |
Certifications & Standards
- EN/IEC 60947-2
Selection Notes
Choose the N performance level (50 kA Icu at 380/415 V AC) when the prospective short-circuit current at the installation point stays at or below that rating; move to the lower-breaking-capacity F or B version in the same NSXm frame if the fault-level study gives a different result. The TM-D trip unit has a fixed long-time delay with pickup adjustable over 0.7...1 x In range and a fixed instantaneous pickup at 600 A, so downstream coordination relies on current discrimination rather than time grading.