Function and Usage
1. Complies with standard GB/T 10963.1, IEC 60898-1
Detailed Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Rated Current (In) | | 63A, 80A, 100A, 125A (1P, 2P). |
| Rated Operating Voltage (Ue) | | 230V~ (1P), 400V~ (2P, 3P, 4P). |
| Rated Insulation Voltage (Ui) | | 500V. |
| Frequency | | 50Hz. |
| Instantaneous Trip Characteristics | | B, C, D. |
| Pole Number | | 1P, 2P, 3P, 4P. |
| Mechanical Life | | 20000 times. |
| Electrical Life | | 6000 times (In ≤ 100A); 4000 times (In>100A). |
| Rated Short-Circuit Breaking Capacity (Icn) | | 10000A. |
| Running Short-Circuit Breaking Capacity (Ics) | | 7500A. |
| Rated Impulse Withstand Voltage (Uimp) | | 4kV. |
| Power Consumption per Pole of the Circuit Breaker | See Table 1 | |
| Suggested Values for Product Application Scenarios | See Table 2, for reference only, the specific corrected values should be comprehensively evaluated based on the user's actual operating conditions | |
| Parameter Category | Parameter Item | Parameter Value |
| Table 1 | | |
| Rated Current In(A) | Maximum Power Consumption per Pole(W) | |
| 63 | 5 | |
| 80 | 7 | |
| 100 | 10 | |
| 125 | 14 | |
| Parameter Category | Parameter Item | Parameter Value |
| Table 2 | | |
| Product Model | NXB-125G | |
| Derating Coefficient for Parallel Installation of Multiple Products (Recommended Value) | ≤3 units | (0.9-0.95)In |
| 4-6 units | (0.80-0.86)In |
| 7-9 units | (0.76-0.78)In |
| >9 units | 0.76In |
| Derating Coefficient for High Altitude Use (Recommended Value) | ≤2000m | In |
| 3000m | 0.96In |
| 4000m | 0.94In |
| 5000m | 0.92In |
