High Voltage 126kv Gis-Gas Insulated Switchgear (ZFW-126/T2500-40)
Model No.: ZFW-126/T2500-40
NINGBO TIANAN (GROUP) CO., LTD.
All requirements, which are nowadays usually specified for modern and advanced switchgear with respect to performance and reliability, are met by GIS type (ZFW-126/T2500-40) for rated voltages of up to 126 kV.
|Rated frequency|| Hz || 50 |
|Rated short time withstand current||kA||40|
|Rated duration of short circuit||S||4|
|Rated short time power frequency withstand voltage|| kV ||230 (to earth, between poles )|
|230+73 (across open switching device)|
|Rated lightning impulse withstand voltage (peak value)||Kv||550 (to earth, between poles )|
|550+103 (across open switching device)|
|Rated SF 6 gas pressure/alarm pressure value ( 20 ºC)||MPa||Circuit breaker chamber 0.6|
|Other chambers 0.5|
|Annual leakage rate of SF 6||%||≤0.5|
|Voltages of control circuit and auxiliary circuit||DC||DC 110 or 220V, AC 220V|
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Product Categories : SF6 HV-GIS