Cau dao tai SF6
SPG-24 Outdoor SF6 Load Break Switch (24kV)
The SPG-24 is a 24kV outdoor SF6 load break switch for 20kV distribution systems. Enhanced insulation levels with 125/145kV lightning impulse withstand. Same proven SF6 pressure-assisted arc blowing technology in 304 stainless steel housing. Available in 630A and 1250A rated current variants. Features all safety interlocks (low pressure, manual, explosion-proof relief). Silicone rubber/epoxy resin insulation with APG vacuum casting. Every unit X-ray inspected. 5,000 mechanical operations life.
Dac diem chinh
- 24kV rated voltage — for 20kV distribution systems
- Enhanced insulation: 125/145kV lightning impulse withstand
- Available in 630A and 1250A rated current variants
- SF6 pressure-assisted arc blowing — proven reliability
- 304 stainless steel molded housing
- Low gas pressure interlock: 0.03-0.04 MPa with visual alarm
- Manual interlock + high pressure explosion-proof relief
- Silicone rubber / epoxy resin insulation (APG vacuum cast)
- Triangle spring mechanism sealed in SF6 — maintenance-free
- Every unit X-ray inspected
- Mechanical life: 5,000 operations
- Compatible with FTU for 20kV distribution automation
Thong so ky thuat
| Rated Voltage | 24 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 / 1250 A |
| Rated Breaking Load Current | 630 / 1250 A |
| Rated Closed Breaking Current | 630 / 1250 A |
| Rated Short-Circuit Making Current (peak) | 50 / 63 kA |
| Rated Short-Time Withstand Current | 20kA/4s, 25kA/4s |
| Rated Cable-Charging Breaking Current | 25 A |
| Rated Earth Fault Breaking Current | 48 A |
| Lightning Impulse Withstand (phase-phase/earth) | 125 kV |
| Lightning Impulse Withstand (across isolating distance) | 145 kV |
| Power Frequency Withstand 1min (phase-phase/earth) | 65 kV |
| Power Frequency Withstand 1min (across isolating distance) | 79 kV |
| Rain Test Withstand Voltage | 50 kV |
| Rated Working Pressure | 0.20 MPa |
| Low Pressure Interlock | 0.03-0.04 MPa |
| High Pressure Explosion Relief | 0.4-0.6 MPa |
| Annual Leak Rate | ≤0.5% |
| SF6 Water Content | ≤150 PPM |
| Circuit Resistance (per phase) | ≤150 μΩ |
| Contact Distance | 41±3 mm |
| Contact Overtravel | 22±2 mm |
| Opening Speed | 1.9±0.2 m/s |
| Closing Speed | 1.9±0.2 m/s |
| Contact Closing Bounce Time | ≤3 ms |
| Phase-to-Phase Distance | 250±3 mm |
| Three-Phase Synchronization | ≤3 ms |
| Closing Time | <10 s |
| Opening Time | <10 s |
| Energy Storage Motor Power | 40 W |
| Mechanical Life | 5,000 operations |
| Operation Voltage | DC220V / DC24V / AC220V |
| Weight (Manual / Automatic) | 115 kg / 135 kg |
| Temperature Range | -25°C to +40°C |
Ung dung
Urban distribution network sectionalizing (20kV)Tie switch applications for 20kV systemsRural distribution system control switchingRing network fault detection, isolation, and alarmDistribution automation with FTU
Tuan thu tieu chuan
IEC 62271-103GB/T 10963
Phan hoi trong 12hChung nhan ISO / CE / CCCCo san OEM
Cau hoi thuong gap
Dien ap dinh muc cua SPG-24 Outdoor SF6 Load Break Switch (24kV) la bao nhieu?
SPG-24 Outdoor SF6 Load Break Switch (24kV) co dien ap dinh muc 24 kV. Vui long xem bang thong so ky thuat de biet day du cac thong so dien.
Thoi gian giao hang cho SPG-24 Outdoor SF6 Load Break Switch (24kV) la bao lau?
Thoi gian giao hang tieu chuan cho SPG-24 Outdoor SF6 Load Break Switch (24kV) khoang 30 ngay. So luong lon hon co the can them thoi gian san xuat.
SPG-24 Outdoor SF6 Load Break Switch (24kV) co the tuy chinh cho du an OEM khong?
Co, NAIJI Electric cung cap san xuat OEM va tuy chinh cho SPG-24 Outdoor SF6 Load Break Switch (24kV).
SPG-24 Outdoor SF6 Load Break Switch (24kV) tuan thu nhung tieu chuan nao?
SPG-24 Outdoor SF6 Load Break Switch (24kV) duoc thiet ke va thu nghiem theo IEC 62271-103, GB/T 10963. Tat ca san pham trai qua kiem tra nghiem ngat truoc khi xuat hang.
Quan tam den SPG-24 Outdoor SF6 Load Break Switch (24kV)?
Nhan gia truc tiep tu nha may, thong so ky thuat va cac tuy chon cau hinh.