FKN12A-12D/630-20, FKRN12A-12D/125-31.5 type indoor high-voltage pressurised load switch is suitable for 12KV and below three-phase high-voltage switchgear.
Here is a description of this pneumatic gas Load Break Switch
FKN12A-12D/630-20, FKRN12A-12D/125-31.5 type indoor high-voltage pneumatic gas load break switch is suitable for 12KV and below three-phase high-voltage switchgear as the control and protection of transformers, cables, overhead lines and other power equipment; especially suitable for the terminal substation of the urban network, agricultural network and box-type substations. It is especially suitable for terminal substation of urban network, agricultural network and box substation. It is also suitable for the protection of ring network and double-radiation power supply unit for the control of haste.
This Load Break Switch design and manufacturing load the following standards:
GB3804 “3-63 kv AC high voltage load switch”
GB16926 “AC high voltage load switch fuse combination electric”
GB1985 “AC high voltage isolation switch and earthing switch”
IEC265 the rated voltage above 1 kv and below kv high-voltage switch”
IEC420 “AC high voltage load switch – fuse combination electric”
Use of the environment
1, the surrounding air temperature: the upper limit of +40 ℃; the lower limit of -25 ℃ (allowed in -30 ℃ storage and transport), the average value of 24h is not higher than +35 ℃;
2、Altitude: not more than 1000m;
3、Relative air humidity: daily average not more than 95%, monthly average not more than 90%;
4, seismic intensity: no more than 8 degrees;
5, the surrounding air is not corrosive and combustible gases, water vapour and other obvious pollution
6、No regular severe vibration;
7、Filth level: Class II.
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