15KV SF6 Gas Load Break Switch
FWX1 LBS installed on the pole is suitable for rated voltage 12/24/40.5kV, rated current 630A, 50/60Hz Distribution network breaking. The load current or overload current in a power system automatically isolates the faulty sections of the distribution line. Switch with the latest technology electronic controller, manual operation, electric operation, and remote operation. The electronic controller is installed in the stainless steel box and can be used under various climatic conditions. In addition, cable and wireless modems can be installed in the box to realize remote monitoring and control. Simple installation and arrangement on the pole are convenient, quick, and low construction cost.
Characteristics of 15KV SF6 Gas Load Breaker Switch
The switch is made of proven durable, corrosion-resistant material. (304L stainless steel plate for warships), ensure a long service life (30years), and can carry out a series of operations, with the pole top equipment ideal characteristics.
Each switch has been filled with sf6 gas before leaving the factory, sealed treatment. The test was carried out according to IEC60265-1 (1988) GB 3804-1990 standard.
Specification of 15KV SF6 Gas Load Breaker Switch
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Products Type |
FWX-15 |
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Basic Ratings |
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Maximum System Voltage |
15KV |
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Rated Continuous Current |
630A |
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Rated Frequency |
50/60Hz |
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Short Time Withstand Current |
IKA/sec |
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Making and Breaking Capacity |
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Mainly Active LoadCurrent |
630A |
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Number of Load-break Operations |
400times |
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Short-circuit Making Current(peak) |
50KA |
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Number of Making Operations |
5 times |
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Cable Charging Current |
lOA |
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Line Charging Current |
lOA |
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Closed Loop Circuit Current |
630A |
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Transformer Magnetizing Current |
22A |
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Power Frequency Withstand Current Test |
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Wet Condition- 10 sec (Ph- Ph-Eth, Across Interrupters) |
50KV |
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DryCondition- I min ( Phase to Phase, Phase to Earth) |
50KV |
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Dry Condition - 1 min (Across Interrupter ) |
60KV |
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Impulse Withstand Current Test(1.2 x 50 µs) |
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Internal Arc Test |
20kA /0.1 sec |
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Arc Extinction Medium |
SF6 Gas |
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Insulation Medium |
SF6 Gas |
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Creepage Distance (Porcelain) |
560mm |
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IP Level |
54 |
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Operation Performance |
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Closing/Opening Tin记 |
< O. l sec |
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Mechanica l Operations (Guaranteed) |
l OOOO times |
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Operating Temperature.1re(*Manual Type) |
-25～+70℃ |
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Gas Pressure |
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Nominal Pressure (kg/cm2 G, at 20°C) |
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Bursting Pressure (kg/cm2 G) |
4 ~ 6 |
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Minimum Gas Pressure (kg/cm2 G) |
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Leakage Rate (cc/ sec) |
1% |
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Other Ratings & Specifications |
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Internal Arc Test |
20kA /0.1 sec |
20kA /0.1 sec |
20kA /0.1 sec |
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Arc Extinction Medium |
SF6 Gas |
SF6 Gas |
SF6 Gas |
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Insulation Medium |
SF6 Gas |
SF6 Gas |
SF6 Gas |
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Creepage Distance (Porcelain) |
380mm |
700mm |
1055mm |
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Creepage Distance (Silicon) |
780mm |
1200mm |
1550mm |
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Dry arcing distance |
≥200mm |
≥ |
≥ |
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IP Level |
65 |
65 |
65 |
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Operation Performance |
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Closing/Opening Time |
＜1sec |
＜1sec |
＜1sec |
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Mechanical Operations (Guaranteed) |
10000times |
10000times |
10000times |
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Operating Temperature (*Manual Type) |
-25～+70℃ |
-25～+70℃ |
-25～+70℃ |
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Gas Pressure |
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Nominal Pressure (MPa, at 20°C) |
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Bursting Pressure (MPa) |
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Minimum Gas Pressure (MPa) |
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Leakage Rate (cc/ sec) |
≤0.5% |
≤0.5% |
≤0.5% |
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Voltage sensors |
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CT ABC 10P10 5VA |
400:5 |
400:5 |
400:5 |
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Incoming side and outgoing side of the voltage sensor |
6 Voltage sensor（built-in） Phase voltage：（24（36）kV/√3）/（3.25V/√3） |
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Special attention should be paid to the voltage sensor, which must be directly fed by the switch. No additional adjustment circuit can be added to the controller. The voltage signal of the switch into the test line needs to be tested separately. |
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Zhuhai GopowerSmart Grid Co., Ltd. is one of the earliest electric power equipment company. We provide 15kv load break switch, 15 kv pole mounted disconnect switchand etc. Want to know more? Please contact us.
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