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) | | 80A. |
| Rated Operating Voltage (Ue) | NXB-80: | 230V~(1P, 1P+N, 2P); |
| NXB-80(G): | 230V~(2P); 400V~(2P, 3P, 3P+N, 4P). |
| Rated Insulation Voltage (Ui) | | 500V. |
| Frequency | | 50Hz. |
| Instantaneous Trip Characteristics | | B, C, D. |
| Number of Poles | NXB-80: | 1P, 1P+N, 2P; |
| NXB-80(G): | 2P, 3P, 3P+N, 4P. |
| Mechanical Life | | 20000 times. |
| Electrical Life | | 6000 times. |
| Rated Impulse Withstand Voltage (Uimp) | | 4kV. |
| Power Consumption per Pole of Circuit Breaker | | ≤13W. |
| Rated Short-Circuit Breaking Capacity (Icn) | See Table 1 | |
| Running Short-Circuit Breaking Capacity (Ics) | See Table 1 | |
| The suggested values for the application scenarios of the product are listed in Table 2, for reference only. The specific corrected values should be comprehensively evaluated based on the actual working conditions of the user. | | |
| Product Model | Pole Number | Rated Voltage Rated Short-Circuit Breaking Capacity Running Short-Circuit Breaking Capacity |
| NXB-80 | 1P, 1P+N, 2P | 230V 6000A 6000A |
| NXB-80H | 2P | 230V 10000A 7500A |
| NXB-80(G) | 2P, 3P, 3P+N, 4P | 400V 6000A 6000A |
| 2P | 230V 10000A 7500A |
| Product Model | NXB-80 | |
| Derating Factor 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 | |
| Rated Current Correction Factor for High Altitude Use (Recommended Value) | | |
| ≤2000m | In | |
| 3000m | 0.96In | |
| 4000m | 0.94In | |
| 5000m | 0.92In | |
