CHINT · Residual current circuit breaker with overcurrent protection
Product overview
CHINT NXBLE-63 provides residual-current and overcurrent protection in single- and multipole configurations. Specify the residual-current waveform class as well as sensitivity, current and curve; these are separate selection requirements.
Technical selection summary
| Series | NXBLE-63 |
|---|---|
| Rated current | 6–63 A |
| Poles | 1P+N, 2P, 3P, 3P+N or 4P |
| Residual sensitivity | 30, 50, 75, 100 or 300 mA |
| Residual-current types | AC or A version, according to complete model |
| Trip curves | B, C or D |
| Breaking capacity | 6 kA for the NXBLE-63 version |
| Catalogue voltage | 230/400 V AC |
| Rated frequency reference | 50/60 Hz AC in the CHINT NXBLE-63 catalogue; confirm the complete supplied model and market version |
Typical applications
- Commercial power distribution boards
- Industrial machine branch protection
- Three-phase building distribution panels
