| 4.1 The rated current, rated voltage, rated insulation voltage, and rated impulse withstand voltage of the isolating switch are shown in Table 1 | Frame rated current Ith(A) | 1000, 200, 400, 630, 800, 1000 |
| | 2000, 630, 800, 1000, 1250, 1600, 2000 |
| | 3200, 2000, 2500, 2900, 3200 |
| | 4000/3, 2000, 2500, 2900, 3200, 3600, 4000 |
| Rated operating voltage Ue(V) | AC415, AC690 |
| | AC400, AC690 |
| | AC400, AC690 |
| | AC400, AC690 |
| Rated insulation voltage Ui(V) | 800 |
| | 1000 |
| | 1000 |
| | 1000 |
| Rated impulse withstand voltage Uimp(kV) | 8 |
| | 12 |
| | 8 |
| | 12 |
| Fly arc distance(mm) | 0 |
| 4.2 The rated short-time withstanding current of the isolating switch is shown in Table 2 | Frame rated current Inm(A) | 1000 |
| | 2000 |
| | 3200 |
| | 4000 |
| Rated ultimate short-circuit making capacity Icm(kA)(AC400V/AC690V) | - |
| | 105 |
| | 176 |
| | 176 |
| | AC400 |
| | AC415 |
| | AC690 |
| | AC400 |
| | AC415 |
| | AC690 |
| Rated short-time withstanding current Icw(kA)(AC400V/AC690V) | - |
| | 30 |
| | 50 |
| | 80 |
| | 30 |
| | 40 |
| | 80 |
| | 50 |
| 4.3 Operating performance of the isolating switch | Frame rated current Inm(A) | 1000 |
| | 2000 |
| | 3200 |
| | 4000/3 |
| Number of operations per hour (times/hour) | 20 |
| | 20 |
| | 20 |
| | 10 |
| Unpowered (times) | 8500 |
| | 8500 |
| | 7000 |
| | 8500 |
| Powered (times) | 6500 |
| | 6500 |
| | 3000 |
| | 1500 |
| Number of operations (times) | 15000 |
| | 15000 |
| | 10000 |
| | 10000 |
| 4.4 The working voltage of the undervoltage release, energy storage motor, and closing electromagnet of the isolating switch, see Table 4 | Rated operating voltage (V) | AC (50Hz) |
| | DC |
| Undervoltage release | 127V, 220V, 230V, 380V, 400V |
| | 110V |
| | 220V |
| Energy storage motor | 127V, 220V, 230V, 380V, 400V |
| | 110V |
| | 220V |
| Closing electromagnet | 127V, 220V, 230V, 380V, 400V |
| | 110V |
| | 220V |
| 4.5 Auxiliary contacts | The rated heating current of the auxiliary contacts is 6A. | |
| Auxiliary contact type: NH1-1000 standard order is four sets of transfer contacts, special order can provide five sets of transfer contacts (only for AC), NH1-2000~4000/3 standard order is four sets of transfer contacts, special order can provide six sets of transfer contacts (only for AC). | |
