CHINT · Circuit breaker
Product overview
This CHINT NB1-63G 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 | NB1-63G |
|---|---|
| Current choices on this page | 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Pole scope | 1P, 2P, 3P or 4P; confirm complete neutral/terminal construction |
| Trip characteristic | B / C; use the exact manufacturer release/curve row |
| AC supply reference | AC 230/400 V, 50/60 Hz in the exact NB1-63G table; match the pole/system voltage |
| Short-circuit reference | 6 kA manufacturer breaking-capacity reference |
| Installation / documents | 35 mm DIN rail; apply the exact manufacturer installation/derating instructions and obtain documents for the supplied version |
Use the NB1-63G technical and ordering rows for current and curve selection. Type D or 1–4 A is not established by this page’s selected reference. Do not substitute NB1-63, NB1-63H or another G-named family. Coordinate the fault level, conductors and upstream protection.
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 NB1-63G 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 NB1-63G 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.











