Hv, Mv Switchgear, Electrical Panel Board, 12kv and 24kv, 33kv
Product Description
The shell of GSM SF6 ring main unit is coated with aluminum zinc and assembled with steel plates processed by CNC machine tools.
The protection level is IP4X.
Equipped with reliable mechanical interlocking and anti misoperation functions.
Working Environment
Eviromental temperature
Highest temperature :+ 40ºC
Highest temperature: +35ºC(24hours average value)
Lowest temperature: -20ºC
Humidity
The maximum average relative humidity
Measured over 24 hours : ≤95%
Measured over 1 month: ≤90%
Altitude above sea level: ≤2700 meters
Gas leakage rate: ≤1‰
Main features:
1.The load circuit breaker used is a separate unit filled with SF6 LBS as the insulation medium, with a long service life, free from pollution and maintenance;
2. The shell is made of high-quality aluminum zinc coated steel plate, which has anti-corrosion, antioxidant properties,
3. Spring charging operation, safe and reliable
4. The ring-shaped main unit has strong scalability;
Company Information
With the advanced technology support from our UK partner,with rich industrial and exporting experience,GRENO is focused on producing a fully range of power distribution and protection products and their electrical accessories up to 36kV (suitable for indoor and outdoor usage) as following:
Whole set medium voltage switchgear
12kV, 24kV, 36KV load break switches
Automatic reclosers
switche disconnectors
Current transformers
Protection relay
power automation systems
Vacuum circuit breakers
For many years,we've been exporting to many countries in Asia,Europe, Middle East,America and Africa, Our products were mainly exported to Europe and our quality has won their deep trust and very good comments.
11Kv 13.8KV 15Kv 20KV 24KV 33KV 36KV SF6 AIS GIS Air Gas Insulated RMU Ring Main Unit Switchgear
Main technical Data
| Description |
Unit |
12kV |
24kV |
| power frequency withstand voltage(1min) phase to phase/earth |
kV |
42 |
50 |
| power frequency withstand voltage(1min) across the isolating distance |
kV |
48 |
64 |
| Impulse withstand voltage (phase to phase/earth) |
kV |
75 |
95 |
| Impulse withstand voltage (across the isolating distance) |
kV |
85 |
110 |
| Rated frequency |
Hz |
50,60 |
50,60 |
| Rated current |
A |
630 |
630 |
| Rated short circuit making current |
A |
50 |
50 |
| Mechanical lifetime |
Ops |
5000 |
5000 |
| Protection Degree |
|
IP4X |
IP4X |
Units for all functions
1. Incoming unit with switch disconnector(Load break switch)
schemas With other extra components optional
2. Outgoing unit with Fuse-switch protection schemas
With other extra components optional
3.Incoming/outgoing circuit breaker protection schemas
With other extra components optional
4. MV metering schemas With other extra components optional
5. Casings (Bus bar Panel) schemas With other extra components optional
6. Others
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