33kV 36kV gas insulated RMU Safe GIS switchgear Ring Main Unit
Basic Info
Model No.: XGN65-40.5
Product Description
Model NO.: XGN65-40.5
Structure: Fixed Board
Form: All- packaged Type
Size: 3 Uint
Shell Material: Stainless Steel
Brand: TIANAN
Standards: IEC, ANSI, GB
Voltage rating: 33kV
Trademark: Tianan Electric
Specification: C-GIS
HS Code: 8537209000
Type: Distribution Metering Box
Certification: ISO9001:2000, VDE, CCC, TUV
Operation Voltage: High Voltage
Application Range: High-rise Buildings
Shell Protection Grade: IP56
Application: Indoor
Installation: Free-standing
Current rating: 630A
Transport Package: Nude
Origin: Ningbo, China
Service condition
A. Altitude ≤1000m (above sea level);
B. Ambient temperature: -25ºC~+40ºC;
C. Wind speed ≤34m/s
D. The spot should have no regularly exquisite shake.
Specifications
ØOn our nation 40.5Kv transmission line, there is still massive adoption of various fuses. For the terminal station especially,because of its low rated current and rated short-circuit current,like "waste one's talent on a petty job" , far from economy.
ØOverseas, Load Switch or load switch and fuse composed electric apparatus are widely adopted for its economy, convenience ,safety, and dependability. While for our country, so far, no SF6 load switch is available on 40.5kV voltage degree. The only choice is using 36kV air load switch from other country, but its insulation level doesn't meet our nation standard,it still unsuited for the running on our nation grid.
ØFor the above reasons,we developed XGN65-40.5 Indoor HV SF6 Ring Main Unit.
Technical data
S/N | Item | Unit | Parameter |
1 | Rated voltage: | kV | 36, 38, 40.5 |
2 | Rated frequency: | Hz | 50/60 |
3 | 1 min power frequency withstand voltage phase-phase,phase -earth/isolating distance : | kV | 70/80, 70/80, 95/110 |
4 | Lighting impulsive withstand voltage phase-phase,phase-earth/isolating distance: | | 170/195, 170/195, 185/215 |
5 | Rated current: | A | 630, 1250 |
6 | Rated current of fuse: | A | 3.15-50 |
7 | Rated short-time withstand current of main circuit, earth circuit : | kA | 20 |
8 | Rated short-time withstand current of main circuit, earth circuit : | kA | 20 |
9 | Rated short-circuit making current: | kA | 50 |
10 | Load switch full capacity breaking times: | times | 100 |
11 | Rated short-circuit breaking current of fuse : | kA | 31.5 |
12 | Rated transfer current: | A | 1000 |
13 | Rated SF6 gas pressure (ambient tempeture20ºC): | Mpa | 0.04 |
14 | SF6 gas min. pressure (gauge pressure at 20ºC) | Mpa | 0.02 |
15 | Gas annual leakage rate | | <0.2% |
16 | Mechanical lifetime : | times | 5000 |
17 | Protection degree of gas filled tank | IP | 67 |
18 | Protection dgree of mechanism compartment, instrument compartment and cable compartmnet | IP | 3X |
19 | Circuit resistance | | |
20 | LBS cubicle | uΩ | 130 |
21 | LBS+fuse cubicle | uΩ | 250 |
22 | Circuit Breaker cubicle | uΩ | 140 |
Contact us if you need more details on Ring Main Unit. We are ready to answer your questions on packaging, logistics, certification or any other aspects about RMU、Safe. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Ring Main Unit (RMU)
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