Chint circuit breaker NXB-63S is designed to provide effective protection against overloads and short circuits in low-voltage terminal distribution systems. It is an ideal choice for residential and tertiary applications, ensuring stable and reliable performance, with the following features:
Rated Current: 10 Amps
Number of Poles: 1P+N
Rated Voltage: 230 Vac
Interrupting capacity: 4.5 kA
Tripping Curve: C
Number of Modules: 2
Degree of protection: IP20
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The 10A circuit breaker is an effective and reliable solution for protecting electrical systems from overcurrents, overloads and short circuits. With its 1P+N configuration and 2-DIN module profile, it is easily installed in electrical panels while providing comprehensive and selective protection.
The C trip curve makes this device ideal for civil and tertiary installations, where temporary overcurrents may occur due to switching on inductive loads. In fact, the C curve allows tolerance at currents between 5 and 10 times the rated current, avoiding untimely trips but ensuring protection in the event of a real fault.
The rated breaking capacity of 4.5 kA is adequate for low-power installations such as residential or small tertiary. The device is rated IP20, which prevents accidental contact with live parts, thus ensuring safe use even in non-professional environments.
The NXB-63S breaker can be integrated with a wide range of accessories: SHT-X1 series trip coils, UVT-X1 series minimum voltage coils, and AX-X1/AL-X1 auxiliary contacts. However, it is not compatible with differential modules, so it is suitable where differential protection is handled separately or is not needed.
This model is particularly suitable for:
Household electrical panels
Secondary distribution in small offices
Lighting systems and outlets
Terminal circuits in civil environments
Its compact design and ease of wiring make it an excellent choice for new installations or for maintenance and modernization of existing systems.
| Feature | Value |
|---|---|
| Number of poles | 1P+N |
| Rated current | 10 A |
| Tripping curve | C |
| Rated voltage | 230 Vac |
| Rated frequency | 50/60 Hz |
| Pulse voltage | 4 kV |
| Rated breaking capacity | 4.5 kA |
| Limiting class | 3 |
| Power dissipation | 3 W |
| Number of DIN modules | 2 (36 mm) |
| Degree of protection | IP20 |
| Dimensions | 81 x 36 x 78 mm (H-L-P) |
| Differential module compatibility | Not compatible |
| Matching accessories | Auxiliary contact AX-X1 Alarm contact AL-X1 Trip coil SHT-X1 Minimum voltage coil UVT-X1 |
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