| Customization: | Available |
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| Type: | Distribution Metering Box |
| Structure: | Protection |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| No | Name | Unit | Load switch FN12-12 | Vacuum load switch FZN12-12 |
| 1 | Rated voltage | KV | 10 | |
| 2 | Maximum operating voltage | KV | 12 | |
| 3 | Rated frequenc | HZ | 50 | |
| 4 | Rated current | HZ | 630 | |
| 5 | Rated breaking current | A | 630 | |
| 6 | Thermal stability current(effective value) |
KA/S | 20/2 | 20/4 |
| 7 | Dynamic stable current | KA | 50 | 50 |
| 8 | Short circuit making current | KA | 50 | 50 |
| 9 | Full load breaking times | times | 20 | 10000 |
| 10 | Mechanical life | times | 2000 | 10000 |
| 11 | 1min power frequency withstand voltage(phase to phase and to ground) |
KV | 42 | 42 |
| 12 | Lightning impulse voltage(phase to phase and to ground) |
KV | 75 | 75 |








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