Functional purpose
1 Comply with standard GB/T 14048.2, IEC/EN 60947-2
Detailed parameters
| Parameter classification | Parameter item | Parameter value |
| Rated current (In) | | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A. |
| Rated operating voltage (Ue) | | 230V~(1P), 400V~(2P, 3P, 4P). |
| Rated insulation voltage (Ui) | | 500V. |
| Frequency | | 50Hz. |
| Instant tripping characteristics | i=8In (C type) | |
| i=12In (D type) | |
| Number of poles | | 1P, 2P, 3P, 4P. |
| Mechanical life | | 20,000 times. |
| Electrical life | | 10,000 times. |
| Rated ultimate short-circuit breaking capacity (Icu) | | 6kA. |
| Rated operating short-circuit breaking capacity (Ics) | | 6kA. |
| Rated impulse withstand voltage (Uimp) | | 4kV. |
| Power consumption per pole of circuit breaker | See Table 1 | |
| Recommended values in product-related application scenarios | See Table 2 for reference only. The specific correction value should be comprehensively evaluated according to the actual working conditions of the user | |
| Table 1 | | |
| Rated current In(A) | Maximum power consumption per pole (W) | |
| In ≤10 | 3 | |
| 10 | 3.5 | |
| 16 | 4.5 | |
| 25 | 6 | |
| 32 | 7.5 | |
| 40 | 9 | |
| 50 | 13 | |
| Table 2 | | |
| Product Model | NXB-63M | |
| Derating factor for multiple products installed side by side (Recommended value) | | |
| ≤3 units | (0.9~0.95)In | |
| 4~6 units | (0.80~0.86)In | < /td> |
| 7~9 units | (0.76~0.78)In | |
| >9 units | 0.76In | |
| High altitude use rated current correction coefficient (Recommended value) | | |
| ≤2000m | In | |
| 3000m | 0.96In | |
| 4000m | 0.94In | |
| 5000m | 0.92In | |