CHINT · Miniature circuit breaker
Product overview
CHINT NXB-40 is a compact 1P+N circuit breaker for branch-circuit overload and short-circuit protection. It is a separate rating from NXB-63; select the current and trip curve for the protected circuit rather than using the wider NXB family specifications.
Technical selection summary
| Series | NXB-40 |
|---|---|
| Rated current | 6, 10, 16, 20, 25, 32 and 40 A |
| Poles | 1P+N |
| Rated voltage | 230 V AC |
| Breaking capacity | 4.5 kA |
| Frequency | 50/60 Hz |
This table summarizes the series. Not every option is available in every combination; confirm the complete manufacturer code and its rating at the actual operating voltage.
Typical applications
- Residential branch circuits
- Compact distribution boards
- Single-phase panel assemblies
Specify your enquiry
For a focused quotation, include:
- Current and trip curve
- Circuit voltage and fault level
- Required quantity and destination
Download CHINT NXB-40 catalogue (PDF)
