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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

Products Type

FWX-15

Basic Ratings

Maximum System Voltage

15KV

Rated Continuous Current

630A

Rated Frequency

50/60Hz

Short Time Withstand Current

IKA/sec

Making and Breaking Capacity

Mainly Active LoadCurrent

630A

Number of Load-break Operations

400times

Short-circuit Making Current(peak)

50KA

Number of Making Operations

5 times

Cable Charging Current

lOA

Line Charging Current

lOA

Closed Loop Circuit Current

630A

Transformer Magnetizing Current

22A

Power Frequency Withstand Current Test

Wet Condition- 10 sec (Ph- Ph-Eth, Across Interrupters)

50KV

DryCondition- I min ( Phase to Phase, Phase to Earth)

50KV

Dry Condition - 1 min (Across Interrupter )

60KV

Impulse Withstand Current Test(1.2 x 50 µs)

Internal Arc Test

20kA /0.1 sec

Arc Extinction Medium

SF6 Gas

Insulation Medium

SF6 Gas

Creepage Distance (Porcelain)

560mm

IP Level

54

Operation Performance

Closing/Opening Tin记

< O. l sec

Mechanica l Operations (Guaranteed)

l OOOO times

Operating Temperature.1re(*Manual Type)

-25~+70℃

Gas Pressure

Nominal Pressure (kg/cm2 G, at 20°C)

Bursting Pressure (kg/cm2 G)

4 ~ 6

Minimum Gas Pressure (kg/cm2 G)

Leakage Rate (cc/ sec)

1%

Other Ratings & Specifications

Internal Arc Test

20kA /0.1 sec

20kA /0.1 sec

20kA /0.1 sec

Arc Extinction Medium

SF6 Gas

SF6 Gas

SF6 Gas

Insulation Medium

SF6 Gas

SF6 Gas

SF6 Gas

Creepage Distance (Porcelain)

380mm

700mm

1055mm

Creepage Distance (Silicon)

780mm

1200mm

1550mm

Dry arcing distance

≥200mm

IP Level

65

65

65

Operation Performance

Closing/Opening Time

<1sec

<1sec

<1sec

Mechanical Operations (Guaranteed)

10000times

10000times

10000times

Operating Temperature (*Manual Type)

-25~+70℃

-25~+70℃

-25~+70℃

Gas Pressure

Nominal Pressure (MPa, at 20°C)

Bursting Pressure (MPa)

  1. ~0.6
  2. ~0.6
  3. ~0.6

Minimum Gas Pressure (MPa)

Leakage Rate (cc/ sec)

≤0.5%

≤0.5%

≤0.5%

Voltage sensors

CT ABC 10P10 5VA

400:5

400:5

400:5

Incoming side and outgoing side of the voltage sensor

6 Voltage sensor(built-in) Phase voltage:(24(36)kV/√3)/(3.25V/√3)

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.

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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