15KV SF6 Gas Load Break 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.