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SF6 ring network load switch cable distribution boxes Cable connection box
Negotiable
/ Set
5 Sets(Min.Order)
- 500 Set / Sets per Month
- T/T
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Product Details
| Place of Origin: | Sichuan, China | Brand Name: | NingGrand | Model Number: | SF6 ring network load switch cable distribution boxes |
Product Description
Product Description
SF6 ring network load switch cable distribution boxes
Load Switch Ring Network Cable Distribution Boxes
1,Outline
KNFW10-12 cable branch box with a new generation of small modular SF6 load switch, each module has its own function has its own metal casing, the left and right side can be arbitrarily extended for 12KV Medium Voltage Distribution electrical system, can be arbitrarily arranged according to different design options, perform different distribution tasks. Imported stainless steel gas tank shell, load switch, earthing switch, fuse insulating tube and bus components, such as a sealed box filled SF6 gas.
Load switch has two operating manual and electric actuator, when the use of electric actuator, can achieve remote control. There are three stations between reliable interlock to ensure strict accordance with the procedure of:
(1) load switch in the closing position, grounding switch operation hole is blocked and can not be grounded closing, RMU is locked closed, not open.
(2) load switch is in the OFF position, the switch can be grounded load switch closing operation or closing operation.
(3) closing earthing switch, load switch closing operation can not be performed, and the cable distribution box RMU front door interlock lifted, allowing the front door open.
2, Normal conditions of use
1 Altitude not exceeding 2000m
2 Ambient temperature: -10 ℃ ~ + 45 ℃
3 Relative humidity: daily average ≤95%, ≤90% monthly average
4 earthquake intensity: ≤8 degree
5 wind speed: ≤35m / s
6 No recurrent severe vibration, no explosion of combustible gases and dangerous places, non-corrosive metal and insulation gas.
3, Main technical parameters
| Rated voltage | 12kV | Join point resistance | less than or equal to µ40Ω |
| Rated current | 630A | Partial discharge | less than or equal to 10pc/15kV |
| Rated frequency | 50Hz | Humidity test | 11kV/100h passed |
| Rated thermal stability cuttent | 20kA/2s | Cable type | XLPE |
| Rated dynamic current(peak-value) | 50kA | Cable section | 25~400mm |
| Power frequency withstand voltage | 45kV/1min | Environment temperature | -10℃~45℃ |
| Lighting impulse withstand voltage | 105kV | Altitude | less than or equal to 2000m |
| |
4, Structural features
5, Attachment
Company Information
Contact Us
- NingGrand Electric Inc.
- Contact nameDavid Dai
- Phone0086-0833-2431110
- Address No.9,Yingbin Road,Gaoxin District Leshan,Sichuan
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