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Indoor high voltage vacuum circuit breaker
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Outdoor high voltage vacuum circuit breaker
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High voltage switchgear series
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Low Voltage Switchgear Series
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- Bushing Series
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- Temperature And Humidity Controller Serie
GFLW-12/24/40.5 series of Pole mounted SF6 Load break switch
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Lead time: Sample is available in 2-3 working days;
The regular order will be usually 20-30 working days after receipt of 30% advance payment
Quality Guarantee: We offer 18 months’ warranty period, and 20 years’ quality guarantee period
Payment Terms: T/T, L/C, Western Union or Paypal
Trade term: FOB or CIF prices
We’re professional OEM manufacturer, and also accept the customized products according to the supplied drawings or parameters
Description
GFLW-12/24/40.5series of Pole mountedSF6Load break switch is used for rated voltage 12/24/40.5kV, rated current 400A, 630Aand 50/60Hz power distribution network,forload current and overload current ofbreaking and closing system, it could separate automatically track sections ofthe faultypower distributionline.
The switch is matched with electronic controller with thelatest technologyand it could be manual, motorand remote operation modes. Thiselectronic controller would be installed inside the stainless steel box, so it could be used in variousofclimate conditions.
Besides that, the wireand wireless modem installed inside control box, itcould realizeremote monitoring and controlling. It’s easy and convenient for installationofthe switch on pole, and that could reduce the constructioncost.
Environmentcondition
-Ambient temperature: max.+50°C min.-40°C
- Altitude: ≤1000m(could also be 2000m, 3500m, 5000m as requested)
- Wind pressure: ≤700Pa(equals to wind speed 34m/s)
-Relative humidity:≤100%
-Air contamination degree: IV degree
-Earthquake intensity: ≤8 degree
- Not bepolluted by corrosive or flammable gas
- No frequent violent vibrationor explosive place
Technical Data
Model | GFLW-12 | GFLW-24 | GFLW-40.5 |
Ratedvoltage | 12KV | 24kV | 40.5kV |
Rated current | 630A | 630A | 630A |
Rated frequency | 50/60Hz | 50/60Hz | 50/60Hz |
Short time withstand current | 20kA/1sec | 20kA/1sec | 20kA/1sec |
Making and Breaking Capacity | |||
Main Active Load Current | 630A | 630A | 630A |
Number of Load-break Operations | 400 Times | 400 Times | 400 Times |
Short-timeMaking Current (peak) | 50kA | 50kA | 50kA |
Numberof MakingCurrentOperations | 5 Times | 5 Times | 5 Times |
Cable Charging Current | 25A | 25A | 25A |
Line Charging Current | 1.5A | 1.5A | 1.5A |
Closed Loop Circuit Current | 630A | 630A | 630A |
Transformer Magnetizing Current | 22A | 22A | 22A |
Power Frequency Withstand VoltageTest | |||
Wet Condition-10secPhase toPhase, Phase to Earth, Across Interrupters | 45kV | 50kV | 70kV |
DryCondition-1minPhase toPhase,Phase to Earth | 50kV | 64kV | 95kV |
Dry Condition - 1 min AcrossInterrupters | 50kV | 79kV | 110kV |
Impulse Withstand VoltageTest(1.2 x 50 µs) | |||
Phase to Earth | 85kV | 125kV | 195kV |
Across Interrupter | 95kV | 145kV | 215kV |
Other Ratings & Specifications | |||
Internal Arc Test | 20kA /0.1 sec | 20kA /0.1 sec | 20kA /0.1 sec |
Arc Extinction Medium | SF 6 Gas | SF 6 Gas | SF 6 Gas |
Insulation Medium | SF 6 Gas | SF 6 Gas | SF 6 Gas |
Creepage Distance (PorcelainBushing) | 380mm | 700mm | 1055mm |
Creepage Distance (Silicone Rubber Bushing) | 540mm | 700mm | mm |
IP Level | 65 | 65 | 65 |
MechanicalPerformance | |||
Closing/Opening Time | <1sec | <1sec | <1sec |
Mechanical Operations (Guaranteed) | 10000 Times | 10000 Times | 10000 Times |
Operating Temperature (Manual Type) | -25~+70℃ | -25~+70℃ | -25~+70℃ |
Gas Pressure | |||
Nominal Pressure (MPa, at 20°C) | 0.07 | 0.07 | 0.07 |
ExplosionPressure (MPa) | 0.4~0.6 | 0.4~0.6 | 0.4~0.6 |
Minimum Gas Pressure (MPa) | 0.05 | 0.05 | 0.05 |
Gas Leakage Rate (cc/ sec) | ≤0.5% | ≤0.5% | ≤0.5% |
Outline Dimension
Dimension (mm) | Mounting Size (mm) | Bushing creepage Distance (mm) | Packing Size (mm) | Weight (KGS) | ||||
A | B | C | D | L×W | L×W×H | |||
12KV | 225 | 500 | 803 | 1056 | 500 × 125 (390) | 500 × 125 (390) | 1100 × 900 × 700 | 105 |
24KV | 300 | 650 | 953 | 1250 | 500 × 125 (390) | 500 × 125 (390) | 1300 × 1100 × 700 | 145 |
40.5KV | 400 | 850 | 1153 | 1380 | 700 × 125 (390) | 700 × 125 (390) | 1400 × 1200 × 700 | 165 |
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