12kv Sf6 Gas Load Break Switch Lbs Phase Distrance 210mm or 230mm
characteristics
GSC is an indoor high-voltage SF6 load break switch, for switchgear with the rated voltage of 12kV/24kV, adopted SF6 gas as arc-extinguishing and insulation medium, including the three contactors for switching-on and switching-off and to-ground, and is characteristic in its small volume, its convenient installation and operation and its the great adaptability with surroundings.
GSC is an indoor high-voltage SF6 load switch and GSC-SQC SF6 load switch plus fuse combination can function to protect and control the electric equipments for power supply and transformer substations especially being suitable for ring net cabinet, cable branch cabinet and distribution switching substation.
Complied with the standards of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc.
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Technical Parameters
Item NO. |
Name |
Unit |
Technical parameters |
Load break switch panel |
1 |
Rated Voltage Un |
kV |
12 |
24 |
36 |
2 |
Rated Frequency |
Hz |
50 |
50 |
50 |
3 |
Rated Current |
A |
630 |
630 |
630 |
4 |
Rated Load Breaking Current |
A |
630 |
630 |
630 |
5 |
Rated Short Time Withstand Current(rms) |
kA |
20 |
20 |
20 |
6 |
Rated Short Time Duration |
s |
3 |
3 |
3 |
7 |
Rated Peak Withstand Current |
kA |
50 |
50 |
50 |
8 |
Rated Closed Switch - Off Current |
A |
630 |
630 |
630 |
9 |
Rated Cable Charging Breaking Current |
A |
10 |
10 |
10 |
10 |
Rated Active Load Breaking Current |
A |
630 |
630 |
630 |
13 |
Earthing Switch 2s Short Time Withstand Current |
kA |
20 |
20 |
20 |
14 |
Rated Short-Circuit Current Making Times |
times |
2 |
2 |
2 |
15 |
Rated Current Breaking Times |
times |
10 |
10 |
10 |
16 |
Mechanical Endurance |
Load Break Switch |
times |
3000 |
3000 |
3000 |
Earthing Switch |
times |
2000 |
2000 |
2000 |
Protect and control the electric equipments for power supply and transformer substations.
Especially suitable for ring main unit,distribution switching substation and cable distribution cabinet .
Natural interlock system is easy and reliable, preventing wrong operation & ensures personal safety.
Even when the cable compartment door is open,the interlocking also functions .
The pressure relief valve is located at the rear of the gas tank.
It relieves interior pressure when SF6 gas is overpressure resulted from an arc fault.
We supply:
1).The whole switchgear
2) SF6 load break switch top unit
2).12kv,24kv indoor sf6 load break switch (phase distance:210mm, 275mm )
3).36kv indoor sf6 load break switch
5). Load break switch + fuse combination lower unit
Operation mechanism
Using spring operating mechanisms:
There are single spring and double spring -2 types of mechanisms for your choice.
Both types could become motorized by mounting a motor part.
Packaging & Shipping
A. Packaging
Our standard package way is carton or wooden package according to customers' requirements.
B. Shipping
Each product is strictly tested before packing for delivery..
We're always ready to help arrange air/express/sea/ shipping.