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Green Outdoor Gas Insulated SF6 Switchgear

Green Outdoor Gas Insulated SF6uses sulfur hexafluoride as the insulating medium, and is fully insulated and fully enclosed in a common box type. All high-voltage live parts are fully insulated and sealed, and the safety performance is higher from the outside of the switch cabinet. It has a compact structure, small size, maintenance-free, and is not affected by high altitude, pollution, small animals, chemical substances and other external environments.

  • Item NO.:

    Fit
  • Order(MOQ):

    1
  • Payment:

    T/T 30%,LC at sight
  • Product Origin:

    FUZHOU,CHINA
  • Shipping Port:

    FUZHOU,CHINA
  • Lead Time:

    30 days
  • Product Detail

Due to its special arc extinguishing medium and completely sealed structure, the inflatable cabinet has the characteristics of compact structure, small size, and maintenance-free compared with conventional air-insulated switch cabinets. The sealed structure can also make it suitable for high altitude, high pollution, etc. Severe working conditions and can effectively isolate external environmental influences such as chemical substances and small animals.





The outer box material of the ring net box can be configured according to user requirements.





1. Material of cabinet body: 2 mm aluminum zinc plate.

2. Including side expansion, top expansion two types.

3. Internal arc duration of 630A/20kV is 1S.

4. With load switch (C), load switch + fuse combination (F), circuit breaker (V) and other standard units. Achieve a diverse set of units, to meet the complex and diverse power supply and distribution designs in different areas. SF6 ring main unit widely used in urban commercial centers, high-rise buildings, underground substations, industrial concentration areas, airports, highways and other ring or radiation power supply systems, can also be used for terminal power supply, installed in box-type substation, outdoor box-type switch station(outdoor ring cabinet) and other devices.

5. The outer material of the ring cabinet can be configured according to user's requirement.



NO. Item Unit Data
Load switch Combination unit Breaker
1 Rated Voltage kV 12
2 Rated frequency Hz 50/60
3 Rated current A 630 125 630
4 1 min Power frequency withstand voltage Phase to earth and phase to phase kV 42
Isolating distance 48
5 Lightning impulse withstand voltage Phase to earth and phase to phase kV 75
Isolating distance 85
6 Thermal stable current (effective value) Main circuit 4S kA 20
Earthing switch 2S
Earth circuit  4S 17.4
7 Dynamic stable current (peak) Main circuit 4S kA 50
Earthing switch 2S
Earth circuit  4S 43.5
8 Rated short-circuit making current(peak) kA 50
9 Rated breaking current of active load A 630
10 Rated closed-loop breaking current A 630
11 5% Rated breaking current of active load A 31.5
12 Rated cable-charging breaking current A 10
13 Rated short-circuit breaking current kA 31.5 20
14 Rated transfer current A 1750
15 Mechanical life times 5000 5000 10000
16 SF6 rated pressure(20℃ gauge pressure) Mpa 0.3
17 SF6 leakage rate year ≤0.05%
18 IP grade gas tank IP67
19 Arc test 20kA/1s



  • The allowable duration of arcing inside the ring main unit is 1S; the arc test inside the ring main unit reaches IAC-AB level;
  • In the corrosion resistance test (salt spray test), the spray duration reached 168h;
  • Earthing switch closing (E2 level): 20kA 5 times.
  • Enclosure protection level: enclosure IP4X, compartment IP2XC, air box enclosure (304/3mm stainless steel plate) protection level IP67;
  • Ring network cabinet enclosure protection level: enclosure IP41, IK07, air box enclosure (304/3mm stainless steel plate) protection level IP67;
  • The protection level of the ring cage is IP44W.


1. Altitude: ≤4000m (the equipment is fully insulated and sealed, applicable to high altitude areas.When the equipment is running at an altitude higher than 1000m, please make special note for pressure adjustment during manufacturing).

2. Surrounding temperature: -25 ~ +40℃ (the highest average daily temperature does not exceed 35℃).

3. Relative humidity: daily average is no more than 95%, and monthly average is no more than 90%.

4. Wind speed: no more than 35m/s.

5. Earthquake intensity: 8 degrees

6. Pollution level: level 2

7. Installation site: Without fire, explosion or violent vibration, well-ventilated and non-corrosive gas.

8. Ground slope: no more than 3°.

Note: If the use environment exceeds the above scope.Please contact us.


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