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Audited Supplier GPS type outdoor pole-mounted HV AC SF6 insulation load break switch is suitable to the distribution network with rated voltage 12-40.5kV, rated current 630A, three-phase AC 50/60Hz to open and close the load current and short circuit current in the power system. It can automatically disconnect the distribution line segment in which the fault occurred. Equipped with the advanced electronic controller, the switch can be for manual operation, electric operation and remote operation. The electronic controller is installed in a stainless steel cabinet, so it can be used in all kinds of climatic conditions. The wire and wireless modems can be also installed in the cabinet to realize remote monitoring and control. Simple, convenient and quick pole mounting can lower the installation cost. The product conforms to the standards of IEC60265-1, IEC62271-103 & GB/T3804: 3.6kV~40.5kV AC high voltage load break switch and IEC60694 & GB/T11022: high voltage switch apparatus and control device.
1. Altitude: ≤3000m;
2. Ambient temperature: -40ºC~+50ºC;diurnal temperature rang ≤25ºC;
3. Wind speed: ≤35m/s, equivalent to wind pressure of 700Pa;
4. Earthquake intensity: ≤grade 8;
5. Relative humidity: 100%;
6. Ice thickness: ≤10mm
7. Pollution degree: ≤4(GB5582);
8. Applicable occasions: no fire and explosion danger, no chemical corrosion and no frequent severe vibration.
Features
1. Stainless steel enclosure has good antisepsis and seal performance.
2. Light in weight and convenient for transportation.
3. Maintenance free and low leakage rate.
4. With explosion-proof device.
5. Bushing could be porcelain/ polymeric
6. Quick close & open
7. Amazing load breaking and fault making capacity.
Technical Satisfaction
| Products Type | GPS-12 | GPS-24 | GPS-38 |
| Basic Ratings | |||
| Rated Voltage | 15 kV | 25.8 kV | 38 kV |
| Rated Continuous Current | 630 A | 630 A | 630 A |
| Rated Frequency | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Short Time Withstand Current ( rms) | 20 kA/ 4sec | 25kA/ 1sec | 20 kA/1 sec |
| Making and Breaking Capacity | |||
| Mainly Active Load Current | 630A | 630A | 630A |
| Number of Load-break Operation | 400 times | 400 times | 400 times |
| Short-circuit Making Current (peak) | 50 kAp/4s | 31.5kAp/4s | 31.5 kAp/4s |
| Number of Making Operations | 5 times | 5 times | 5 times |
| Cable Charging Current | 25A | 25A (200 A) | 20 A |
| Line Charging Current | 1.5A | 1.5A | 2A |
| Closed Loop Circuit Current | 630 A | 630 A | 630 A |
| Transformer Magnetizing Current | 22A | 22A | 22A |
| Power Frequency Withstand Current Test | |||
| Wet Condition- 10 sec (Ph- Ph, Ph-Eth, Across Interrupters) | 45 kV | 50kV | 70 kV |
| Dry Condition - 1 min(Phase to Earth, Phase to Earth) | 50 kV | 60kV | 70 kV |
| Dry Condition - 1 min (Across Interrupter ) | 50 kV | 60kV | 80 kV |
| Impulse Withstand Current Test ( 1.2 x 50 ps ) | |||
| Phase to Phase, Phase to Earth | 85 kV | 150kV | 170 kV |
| Across Interrupter | 95 kV | 150kV | 195 kV |
| Other Ratings & Specifications | |||
| InternaArc Tes | 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 (Porcelain) | 550 mm | 740 mm | 960 mm |
| Creepage Distance (Silicon) | 615 mm | 800 mm | 1055 mm |
| IP Leve | 54 | 54 | 54 |
| Operation Performance | |||
| Closing/Opening Time | < 0.7 sec | < 0.7 sec | < 0.7 sec |
| Mechanical Operations (Guaranteed) | 10,000 | 10,000 | 10,000 |
| times | times | times | |
| Operating Temperature (*Manual | -25 (*-40) | -25 (-40) | -25 (-40) |
| Type) | ~ 70° C | ~ 70° C | 70° C |
| Gas Pressure | |||
| Nominal Pressure (kgf/cm2 G, at 20°C)) | 0.7 | 1.0 | 1.0 |
| Bursting Pressure (kgf/cm2 G) | 4 ~6 | 4 ~6 | 4 ~6 |
| Minimum Gas Pressure (kgf/cm2 G) | 0.05 | 0.0 | 0.0 |
| Leakage Rate (cc/ sec) | 1.1 x 10 -7 | 1.1 x 10 -7 | 8.2 x 10-7 |
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