1. FLW34 Type Outdoor Pole-Mounted 12kv 24kv SF6 Load Break Switch
FLW34 Type Outdoor Pole-Mounted 12kv 24kv SF6 Load Break Switch is suitable to the distribution network with rated voltage 12/24kV, rated current 400/630A, 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.
2. Ambient conditions
1. Altitude: ≤3000m;
2. Earthquake intensity: ≤grade 8;
3. Relative humidity: 100%;
4. Ice thickness: ≤10mm
5. Pollution degree: ≤4(GB5582);
6. Ambient temperature: -40℃~+50℃;diurnal temperature rang ≤25℃;
7. Wind speed: ≤35m/s, equivalent to wind pressure of 700Pa;
3. Technical Data
| 1 | Rated voltage | kV | 12/24 |
| 2 | Rated frequency | Hz | 50/60 |
| 3 | Rated insulation level
(charged SF6 gas
0.05MPa/20℃) | Lightning impulse withstand
voltage(peak) | Phase to phase, phase to earth | kV | 75/125 |
| Across open contacts | 85/145 |
1min P.F withstand
voltage | Phase to phase, phase to earth | 42/64 |
| Across open contacts | 48/79 |
| Raining withstand voltage test | 34/50 |
| 4 | Insulation level under zero gauge pressure 1min P.F withstand voltage | kV | 30 |
| 5 | Rated current | A | 630 |
| 6 | Rated load breaking current (at 0.05MPa/20℃) | 630 |
| 7 | Breaking current at zero gauge pressure | 630 |
| 8 | Rated short-circuit making current | kA | 50 |
| 9 | Rated short-time withstand current/duration | kA/s | 20/4 |
| 10 | Rated peak withstand current(peak) | kA | 50 |
| 11 | Rated cable charging breaking current | A | 25 |
| 12 | Rated line charging breaking current | 1.5 |
| 13 | Rated loop breaking current | 630 |
| 14 | Breaking times of rated load breaking current | times | 100(E3 class) |
| 15 | Rated SF6 gas pressure | MPa | 0.05±0.01 |
| 16 | Main loop resistance for each phase | μΩ | ≤120 |
| 17 | Relative gas leakage rate | yearty | ≤1% |
| 18 | SF6 gas moisture content | Delivery ex-factory value | ppm | ≤150 |
| Switch operating value | ≤300 |
| 19 | Mechanical life | times | 5000(M2 class) |
| 20 | Contact gap | mm | 47±2 |
| 21 | Contact over-travel | 17±2 |
| 22 | Average opening speed | m/s | 1.2±0.2 |
| 23 | Average closing speed | 0.6±0.2 |
| 24 | Closing time | ms | 25~60 |
| 25 | Opening time | 18~45 |
| 26 | Rated operating voltage | V | DC220,AC220 |
| 27 | Rated power for energy storage motor | W | 40 |
| 28 | 1 min P.F withstand voltage for secondary loop | kV | 2 |
| 29 | Phase-to-phase spacing | mm | 230±1.5/340±1.5 |
| 30 | Net weight | kg | 125/155 |
4. Factory
5.Service:
1.XIGAO Electricenergy Group Co., Ltd is founded in 1993, 320000m2 plant, specialized in manufacturing high & low voltage power transmission and distribution (PTD) equipment, always focusing on the business at collection of research, design, OEM, ODM and trade in CN.
2. Our factory has Automantic production line.
3. We have quality management system and relevant certificates.
4. 24 hours oversea service online.
6.Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Our products have been exported to Argentina, Egypt, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.
Product photo:
5. FAQ
1. Send the technical data, better for all useful information; we will make a good recommendation.
2. All our activities are accredited to ISO 14001:2015 and IEC standard.
3. Technology ensure the quality satisfy international request.
4. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.
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