JGC12D/630/20 Load Switch, complies with GB/T 3804-2017 "High-voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV" and GB/T 16926-2009 "High-voltage alternating current switch-fuse combinations".
Main Circuit Parameters:
Rated Current: 630A
Rated Short-Time Withstand Current: 20kA (4s), 25kA (3s)
Mechanical Endurance: 5,000 operations
Grounding Circuit Parameters:
Rated Short-Time Withstand Current: 20kA (2s)
Mechanical Endurance: 3,000 operations
Main Technical Parameters
| No. | Item | Unit | Technical Parameters |
| 1 | Rated Frequency | Hz | 50 |
| 2 | Rated Current | A | 630 |
| 3 | Rated Short-Time Withstand Current | kA | 20/25 |
| 4 | Rated Peak Withstand Current | kA | 50/63 |
| 5 | Rated Short-Circuit Duration | s | 4 |
| 6 | Rated Short-Circuit Making Current | kA | 50 |
| 7 | Theoretical Operating Cycles | Times | 5000 |

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