This product is suitable for 12/24/40.5kV, 50/60Hz power distribution networks with a rated current of 630A. It can break load current, overload current and automatically isolate faulty sections. Equipped with an electronic controller (stainless steel cabinet) supporting wired/wireless remote monitoring, the shell is made of 304L stainless steel for corrosion protection. It complies with IEC60265-1 and GB3804-1990 standards, pre-filled with SF6 gas and sealed before delivery
| Products Type | PGS-12 | PGS-24 | PGS-40.5 |
| Basic Ratings | |||
| Maximum System Voltage | 15 kV | 25.8 kV | 40.5 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 | 22kA / 4sec | 20 kA / 4sec |
| Making and Breaking Capacity | |||
| Mainly Active Load Current | 630A | 630A | 630A |
| Number of Load-break Operations | 400 times | 400 times | 400 times |
| Short-circuit Making Current (peak) | 50 kAp | 50kAp | 50 kAp |
| Number of Making Operations | 5 times | 5 times | 5 times |
| Cable Charging Current | 25A | 25A | 25 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) | 50 kV | 60kV | 95 kV |
| Dry Condition - 1 min ( Across Interrupter ) | 50 kV | 60kV | 110 kV |
| Impulse Withstand Current Test（1.2×50μs） | |||
| Phase to Phase, Phase to Eart | 85 kV | 130kV | 170 kV |
| Across Interrupter | 95 kV | 150kV | 185 kV |
| Other Ratings & Specifications | |||
| Internal Arc Test | 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 | 840 mm | 1055 mm |
| Creepage Distance (Silicon) | 615 mm | 900 mm | 1250mm |
| IP Level | 54 | 54 | 54 |
| Operation Performance | |||
| Closing/Opening Time | <0.1 sec | <0.1 sec | <0.7 sec |
| Mechanical Operations (Guaranteed) | 10,000 times | 10,000 times | 10,000 times |
| Operating Temperature (*Manual Type) | -25 (-40)~70℃ | -25 (-40)~70℃ | -25 (-40)~70℃ |
| Gas Pressure | |||
| Nominal Pressure (kgf/cm² G, at 20° C)) | 0.5 | 0.7 | 1 |
| Bursting Pressure (kgf/cm² G) | 4~6 | 4~6 | 4~6 |
| Minimum Gas Pressure (kgf/cm² G) | 0.05 | 0.05 | 0.05 |
| Leakage Rate (cc/sec) | 1.1×10⁻⁷ | 1.1×10⁻⁷ | 1.1×10⁻⁷ |
1. Core structure: 304L stainless steel sealed shell, SF6 gas chamber, triangular spring energy storage operating mechanism;
2. Bushing type: Porcelain bushing (creepage distance 550-1055mm) or EPDM rubber bushing (creepage distance 615-1250mm);
3. Operating mechanism: Three-phase interlocking, supporting manual/electric/remote control;
4. Safety devices: Color-marked opening/closing indicator (red for closed, green for open), low-pressure latching alarm, high-pressure relief explosion-proof device (6-9kgf/cm²), manual locking device;
5. Auxiliary configuration: Ground terminal, gas filling valve, lifting lugs, carrying handles, electronic controller (with storage battery, operable over 50 times on a single charge)
1. Installation environment: Altitude ≤3000m, wind pressure ≤700pa, seismic intensity grade 8, no fire, explosion, strong corrosion or severe vibration;
2. Quality guarantee: Free replacement or repair for manufacturing defects or gas leakage within 5 years;
3. Derivative options: Operating mechanism (M-manual/A-electric/Z-automatic), outlet method (L-cable outlet/terminal outlet), bushing type, surge arrester (Type B);
4. Maintenance: Regular cleaning of bushings, periodic battery inspection during long-term storage
1. Sectional control of cables and overhead lines in urban and rural distribution networks;
2. Load protection of power distribution networks in industrial enterprises and residential communities;
3. New energy distribution network access and power distribution systems in remote areas;
4. Remote monitoring and automatic fault isolation scenarios in smart distribution networks
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