NINGBO TIANAN (GROUP) CO., LTD.
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General
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.
Specifications
Specification
UnitÂ
Specified valueÂ
Rated voltageÂ
kVÂ
126Â
Rated frequencyÂ
HzÂ
Â
50Â
Â
Rated currentÂ
AÂ
2000Â
Rated short time withstand currentÂ
kAÂ
40Â
Rated duration of short circuitÂ
SÂ
4Â
Rated short time power frequency withstand voltageÂ
kVÂ
 230 (to earth, between poles )Â
230+73 (across open switching device)Â
Rated lightning impulse withstand voltage (peak value)Â
KvÂ
550 (to earth, between poles )Â
550+103 (across open switching device)Â
Rated SF 6 gas pressure/alarm pressure value ( 20 ºC)Â
MPaÂ
Circuit breaker chamber 0.6Â
Other chambers 0.5Â
Annual leakage rate of SF 6Â
%Â
≤0.5Â
Voltages of control circuit and auxiliary circuit
DCÂ
DC 110 or 220V, AC 220VÂ
Model NO.: ZFW-126/T2500-40
Environment: Indoor
Special Conditions: Depends on The Customer
Rated Current: 2000 a
Rated Short Time Continual Time: 4 S
Test Equipment: IEC Standard
Typical Products: Zfw-126/T2500-40
Frequency: 50
Warranty: 10 Years
Type: Power
Form: All- packaged Type
Size: 3 Uint
Shell Protection Grade: IP56
Operation Voltage: 126kv
Application Range: Substation, Building
Brand: Tianan
Trademark: Tianan Electric
Specification: IEC60076-1, IEC60076-2, IEC60076-5
Origin: Xiangshan Zhejiang P. R China
HS Code: 8537209000
GIS-Gas Insulated Switchgear (ZFW-126/T2500-40)