Joyelectric International is a professional China 24kv earthing switch distributor and agent among those well-known such manufacturers and suppliers, welcome to order 24kv earthing switch products from our factory and company. JN15-24/31.5 series Ambient Condition: 1. The height above sea level...
Joyelectric International is a professional China 24kv earthing switch distributor and agent among those well-known such manufacturers and suppliers, welcome to order 24kv earthing switch products from our factory and company.
JN15-24/31.5 series
Ambient Condition:
1. The height above sea level shall be no more than 1000 meter;
2. Ambient air temperature: +40℃~ -25℃
3.Seismic intensity: no more than 8 magnitude；
4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%
5. Filth degree: II
Main Technical Parameter
Item | Unit | Data | ||
Rated voltage | kV | 24 | ||
Rated short time withstand current | kA | 31.5 | ||
Rated duration of short circuit | S | 4 | ||
Rated short circuit making current | kA | 80 | ||
Rated peak withstand current | kA | 80 | ||
Rated insulation level | Power frequency withstand voltage(1min) | kV | Pole to ground | 95 |
Lightning impulse withstand voltage | Between phases | 185 | ||
Mechanical Life | times | 2000 | ||
Outline Drawing and Installation Dimension of JN15-24/31.5 Earthing Switch
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