The EK6-12 (24) indoor earthing switch is a domestic advanced switch device made by improving and localizing the EK6 type earthing switch of German GALOR-EMAG company. Its performance is in line with GB1985-2004 AC High Voltage Disconnectors and Earthing Switches and IEC129 requirements.
The indoor high voltage earthing switch is applicable to 12kV-24kV AC 50Hz power system, offering grounding protection in the overhaul of high-voltage power equipment. It works with ABB-UniGear ZS1, ZS2, Siemens-NXAIR, Schneider-Nvnex and Tellhow-KYN28A type MV switchgears.
1) Altitude: ≤1000m
2) Ambient air temperature: up to +40 ℃, down to -10 ℃, daily range of 15 ℃
3) Humidity: daily average relative humidity less than 95%; monthly average relative humidity less than 90%
4) Earthquake intensity: ≤ 8 degrees
5) Environmental conditions: no fire, explosion, severe dust, chemical corrosion and severe vibration;contamination class II.
|4S thermal current||kA||31.5/40||31.5/40|
|Short-circuit making current||kA||80/100||80/100|
| Pole-center distance
|Rated insulation level||1 min power frequency withstand voltage||kV||42||65|
|Lightning impulse withstand voltage||75||125|
|Model and Spec.||E||F||G||H||C||D|
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