Product Description
Specification of SF6 RMU Ring Main Unit
XGN15-12 indoor SF6 rmu ring main unit
Rated voltage: 12KV, 24KV, 35KV
Rated current: 630A, 1250A
Breaking capacity: 25KA, 31.5KA
Display of SF6 RMU Ring Main Unit
Advantages of SF6 RMU Ring Main Unit
? The XGN15 series SF6 rmu ring main unit characters in its simple structure, flexible operation, reliable interlocking and convenient installation etc., which can provide the satisfactory technical projects both for different application occasions and users.
? With the adoption of sensor technology and the protection relay up to date, plus the advanced technology and flexible assembly project, XGN15 series SF6 ring main unit can completely meet the requirement of continuously variable market.
? SF6 ring main unit can take self-produced FLBS36 SF6 load break switch.
? According to user's demand, SF6 rmu ring main units can be assembled with the internationally top-ranking VD4 series vacuum circuit breaker with permanent magnetic mechanism made by AREVA or HD4 type SF6 circuit breaker made by AREVA or HD4 type SF6 circuit breaker made by ABB or with our VS1-12 type vacuum circuit breaker with permanent magnetic mechanism.
? Operational methods for the main switch inside SF6 ring main unit can be either manual or electric power driven.
? XGN15 series SF6 ring main unit can meet the requirement of "Four Controls" when matched with FTU and RTU.
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Features of SF6 RMU Ring Main Unit
1. Metal-clad and fully enclosed structure, can prevent dirt and small animals from entrance.
2. Through the observation windows in the door panel, switch position and general condition can be clearly viewed.
3. The door and switch operating handle are mechanically interlocked to ensure the door cannot be opened with the switch closed and the switch cannot be closed with the door open.
4. The switchgear use vacuum switches combined with solid insulation material. This environmentally-friendly technology avoid the uses of SF6 as an insulation gas.
5. Reliable FIVE-PREVENTION interlock can effectively prevent from mal-operation.
Technical Datas of SF6 Ring Main Unit RMU
No. | Item | Unit | Parameter | ||||
1 | Rated voltage | KV | 11 12 | 24 | 33 | 40.5 | |
2 | Rated current | A | 630/1250 | ||||
3 | Rated frequency | Hz | 50/60 | ||||
4 | 1min Power frequency withstand voltage | Phase to phase, phase to earth | kV | 42 | 55 | 80 | 95 |
Fracture | 46 | 65 | 95 | 110 | |||
5 | Lightning impulse withstand voltage | Phase to phase, phase to earth | kV | 75 | 125/150 | 170 | 95 |
Fracture | 85 | 150/160 | 185 | 215 | |||
6 | Short time withstand current | Main circuit | kA | 25/2s | |||
Earthing circuit | |||||||
7 | Rated withstand current (peak) | kA | 63 | 50 | |||
8 | Rated transferring current | A | 1300-1700 | ||||
9 | Rated load circuitmarking current | A | 630 | ||||
10 | Rated cable(line) charging breaking current | A | Oct-50 | ||||
11 | No load transformer breaking current | A | 20 | ||||
12 | Cable charge breaking current in earthing fault | A | 100 | 80 | |||
13 | Rated short curcuitbreaking current(peak) | kA | 20 | ||||
14 | Rated short circuit making current(peak) | kA | 63 | 50 | |||
15 | Protection level |
| IP3X | ||||
16 | Load break switch life | times | 5000 | ||||
17 | Earthing switch life | times | 5000 | ||||
Bokr Elec is always focusing on the feeling of any customers, that's why we provide high quality SF6 ring main units to global customers to meet high requirements and more market demands.
The SF6 Ring Main Unit is the best seller of us, we really recommend you to choose us! If you have any question on our any products, please don't hesitate to contact us to get professional answers! We're here to help you out and offer best solutions to your problems.
