LYL-12T load switch complies with the relevant requirements of GB3804-2004 “3.6kV~40.5kV high voltage AC load switch” and GB16926-1997 “AC high voltage load switch-fuse combination appliance”.
Main circuit: 630A-20kA (4s), 25kA (3s); Mechanical life: 5000 times; Grounding circuit: 20kA (2s); Mechanical life: 2000 times.
Precautions for the use of environmental conditions:
1. Altitude not exceeding 2000m, seismic cracking degree not exceeding 8 degrees; .
2.The ambient temperature of the product is -40°C ~ +140°C, and the relative humidity is no more than 90% of the daily average and 90% of the monthly average.
3. The installation place of frequent violent vibration, water vapour, gas, chemical corrosive deposits, salt spray, dust and dirt and its fire, explosion hazardous installation place is not suitable for use.
Main technical parameters
| S/N | Item | Unit | Data |
| 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 |
| 5 | Rated short circuit duration | s | 4 |
| 6 | Rated short-circuit closing current | kA | 50 |
| 7 | Theoretical operation | times | 5000 |
Outline and installation dimensions
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