CHINT · Residual current circuit breaker
Product overview
The CHINT 527229 NL1-63 is a 2-pole, 25A Type AC RCCB with 30mA residual-current sensitivity for 230V AC distribution circuits. Its electromechanical residual-current protection detects sinusoidal AC earth-leakage currents. The unit mounts on a 35mm DIN rail and supports the AX-5 auxiliary contact.
Technical selection summary
| Ordering code | 527229 |
|---|---|
| Model | NL1-63/25-2P-AC30 |
| Poles | 2P |
| Rated current | 25A |
| Rated residual operating current | 30mA |
| Detection type | Type AC — sinusoidal AC residual current |
| Rated voltage / frequency | 230V AC, 50/60Hz |
| Conditional short-circuit current (Inc) | 6kA with coordinated upstream short-circuit protection |
| Mounting / width | 35mm DIN rail / 2 modules (36mm) |
| Dimensions (H × W × D) | 86 × 36 × 79mm |
| Accessory compatibility | AX-5 auxiliary contact |
| Standard | IEC/EN 61008-1 |
This RCCB has no integral overload or short-circuit protection and requires a coordinated upstream protective device.
Typical applications
- Residential and commercial distribution boards
- Final distribution circuits requiring 30mA Type AC residual-current protection
Specify your enquiry
For a focused quotation, include code 527229, required quantity and accessory requirements.
Download CHINT NL1 manufacturer catalogue (PDF)
Product reference images and drawings
