Operating Conditions:
1. Altitude ≤ 1000m
2. Relative humidity ＜95%
3. Ambient temperature –25℃~+40℃
4. Indoor installation
5. Seismic intensity ＜ Magnitude 8
6. No fire, explosion, severe pollution or vibration
Features:
1. Imported SF6 load switch independent unit, long life, high parameters, pollution‑free, low maintenance
2. High‑grade Aluzinc enclosure, corrosion‑resistant, oxidation‑resistant, attractive
3. Spring‑charged operation, three‑phase automatic tripping, integrated five‑prevention interlocking
4. Flexible ring‑main configurations without busbar extension
5. SF6 gas insulation safe, oil‑free, non‑toxic, no fire/explosion risk
Key Technical Parameters:
1.Rated voltage: 12kV
2.Rated frequency: 50Hz
3.Rated current: 630/1250A
4.4s thermal withstand: 20/25/31.5kA
5.Dynamic withstand (peak): 50/63/80kA
6.1min power‑frequency withstand: between poles 42kV, across open contacts 48kV
7.Lightning impulse withstand: between poles 75kV, across open contacts 85kV
8.Protection: IP3X or IP4X
Additional Information:
Computer interface available for online monitoring; contact us for details. (Custom‑made to drawings, Production cycle of 15‑30 days)
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