JN15-12 Series Indoor High voltage earthing switch
JN15-12 Series Indoor High voltage earthing switch
| serial number | project | unit | project | |
| Rated current | kA | 12 24 | ||
| 2 | Rated short-time withstand current | kA | 31.5 | |
| 3 | Rated short circuit duration | s | 4 | |
| 4 | Rated short-circuit making current | kA | 80 | |
| 5 | Rated peak withstand current | kA | 80 | |
| 6 | Phase center distance | mm | 210, 230, 250, 275 | |
| 7 | Rated insulation level | 1min power frequency tolerance | kV | 42 |
| Lightning impulse voltage | kV | 75 |
Description
JN15-12 indoor high voltage grounding switch is a product that has reached the domestic advanced level. Its performance meets the requirements of GB1985-2004 "AC High Voltage Isolation Switches and Grounding Switches" and IEC129. It is suitable for 12kV and below AC 50Hz power systems. It can be used with various types of high voltage switchgear and can also be used as high voltage electrical equipment. It is used for grounding protection during maintenance. This type of switch can be used in conjunction with a live display device
Use environment
a. Altitude: no more than 1000m;
b. Ambient air temperature: the upper limit is 40$, the lower limit is 25T;
c. The seismic intensity does not exceed 8 degrees;
d. No flammable, explosive, severe dust, chemical corrosion and severe vibration places.
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