- Product name:load break switch
- Rated frequency:50/60 Hz
- Mechanical Life:1000 Times
- Material:Copper
- Certificate:ISO9001
- Customized:Accept special order
- Place of Origin:CN
- Certification:CE
- Brand Name:YUFENG
- Model Number:SF6
- Max. Current:630A/1250A
- Max. Voltage:12KV
Product Description
General
This series of load switch is developed by our company in 2003 and is applied to XGN14-12SF6 ring main unit.I has high economy, safety. reliablity, simple structure, flexible operation, reliable interlocking and convenient instollation. It meets the standard of IEC60694, GB3804, GB16926 etc.
Working condition
1. Ambient temperature: Max.+40℃; Min.-35℃.
2. Humidity: Maximum average relatilve humidity daily average:≤ 95%; monthly average.≤90%.
3. Altitude:≤ 2000m.
4. Seismic resistance:8 degree.
5. The surrounding air should be free from corrosive, flammable gases, water vapor, etc, and should not be subjected to frequent and severe vibrations.
6. Annual leaKAge rate;≤0.1%.
2. Humidity: Maximum average relatilve humidity daily average:≤ 95%; monthly average.≤90%.
3. Altitude:≤ 2000m.
4. Seismic resistance:8 degree.
5. The surrounding air should be free from corrosive, flammable gases, water vapor, etc, and should not be subjected to frequent and severe vibrations.
6. Annual leaKAge rate;≤0.1%.
| Item | Unit | Data | |
| Rated volloge | KV | 12 | |
| Rated frequency | Hz | 50 | |
| Rated current | A | 630 | |
| Rated peak withstand current | KA | 50 | |
| 4s rated short time withstand current | KA | 20 | |
| Rated making current | KA | 50 | |
| Rated breaking current | Active load breaking current | 630 | |
| Breaking current loop | A | 630 | |
| Cable charging breaking current | A | 10 | |
| 1min power frequency withstond voltoge (phase to phase,to eorth,frocture) | KV | 42/48 | |
| Lighiming impulse wlthstond vollage (phase to phase,to earth,fracture) | KV | 75/85 | |
| Relative pressure of SF6 gas (20℃ GP) | MPa | ≤0.04 | |
| Raled operating voltage (electric) | V | AC220,DC220 | |
| Raled voltoge of shunt release | V | AC220,DC221 | |
| Average opening speed | M/S | 3.5±1.5 | |
| Average closing speed | M/S | 3.5±1.6 | |
| Three-phase points,dosing phase of the same | ms | ≤3 | |
| The main circuit resistance | μΩ | ≤120 | |
| Manual maximum torque | N.m | ≤160 | |
| Phase to phase center distonce | mm | 210±0.5 | |
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Company Information
FAQ
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory with more than 20 years experience in this field.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days
if the goods are not in stock, it is according to quantity.
Q:Do your company have a website ?
A:Please check :www.cnyufeng.cn
Q: What is your terms of payment ?
A: Payment=500USD, 30% T/T in advance ,balance before shippment.
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