CHINT · Circuit breaker
Product overview
This CHINT NXB-63C listing provides overload and short-circuit protection for AC distribution. Select the exact manufacturer model, pole count, rated current and trip characteristic, then match the installation fault level.
Technical selection summary
| Manufacturer model | NXB-63C |
|---|---|
| Current choices on this page | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Pole scope | 1P, 2P, 3P or 4P; confirm complete neutral/terminal construction |
| Trip characteristic | B / C / D; use the exact manufacturer release/curve row |
| AC supply reference | 1P/1P+N: AC 220/230/240 V; 2P–4P/3P+N: AC 380/400/415 V; 50/60 Hz in the catalogue |
| Short-circuit reference | Icn 3 kA and Ics 3 kA in the exact NXB-63C sheet |
| Installation / documents | 35 mm DIN rail; apply the exact manufacturer installation/derating instructions and obtain documents for the supplied version |
This C suffix is part of the manufacturer model, separate from selecting a C tripping curve. Do not substitute a generic 6 kA NXB-63 rating. Confirm the required fault level, full pole/neutral arrangement, terminal fit and marked supply version.
Typical applications
- Distribution or control panels matched to the exact device
- Replacement procurement using complete CHINT model and assembly information
Specify your enquiry
For a focused quotation, include:
- Full NXB-63C code, poles, rated current, curve and quantity
- System voltage/frequency, fault level and required standard
- Neutral, terminals/busbar, accessories and applicable supply documents
Download CHINT NXB-63C manufacturer catalogue (PDF)
Product reference images and drawings
Match the exact manufacturer model, pole construction, voltage and connection drawing. Retained family images may show other versions.














