Chint
Chint Component NXB-63 D10 3P
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Specifications
| Brand | Chint |
|---|---|
| Model Number | NXB-63 D10 3P |
| Official Product Name | Miniature Circuit Breaker 10A 3P |
| Applicable System | Low voltage electrical distribution systems, control panels, and equipment protection |
| Product Type | Component (Miniature Circuit Breaker) |
| Equivalent Standard | Chint NXB-63 C10 3P, ABB S201-D10, Schneider iC60N 10A 3P |
| Product Status | Active |
| Lifecycle note | Active, in production |
| Number of Poles | 3P |
| Breaking Capacity (kA) | 6 |
| Rated Voltage (V) | 400 V (3P) |
| Trip Curve | D |
| Rated Frequency (Hz) | 50/60 Hz |
| Mounting Type | 35 mm DIN rail |
| Terminal Capacity (mm2) | 1-25 |
| Degree of Protection | IP20 |
| Operating Temperature (degC) | -35 to +70 degC |
| Standards | IEC/EN 60898-1 |
| Dimensions (H x W x D) (mm) | 54 x ~80 x ~70 mm (W x H x D, 3P) |
| Weight (kg) | 236 g (gross) |
| Breaking Capacity (Icn) | 6 kA |
| Mechanical Life | 20000 operations |
| Electrical Life | 10000 operations |
| Terminal Capacity | 1-25 mm2 |
| Rated Current (A) | 10 A |
Product Description
Basic Product Information
- Breaking capacity 6kA per IEC 60898-1
- DIN rail mounting, compact modular design
- Thermal-magnetic trip mechanism for overload and short-circuit protection
- High reliability and long electrical life
- Complies with international standards (IEC, GB)
- Rated current 10A, 3-pole design for three-phase applications
Technical Specifications
Version & Model Difference
The NXB-63 series includes different trip curves (B, C, D) and breaking capacities (4.5kA, 6kA, 10kA). The D10 3P model features a D curve for high inrush loads, such as motors and transformers. Compared to the C curve (for general distribution), the D curve provides higher magnetic trip thresholds. This model is the 6kA version, suitable for industrial applications. Regional versions may have different certifications (e.g., CE, CCC).
Application Scenarios
- Industrial control panels and motor control centers
- Commercial building electrical distribution boards
- HVAC equipment protection
- Machine tool electrical systems
- Replacement for existing MCBs in maintenance and retrofit projects
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