Ring Main Unit Switchgear Panel,Sf6 Gas Insulated Hxgn-24
Product Description
iUN-SFRMU SF6 insulated Ring Main Unit
Gas Insulated Ring Main Unit
iUN-SFRMU is a SF6 insulated ring main unit for the secondary distribution network. iUN-SFRMU can be supplied in 10 different configurations suitable for most switching applications in 12/24/36 kV distribution networks.
As an option, iUN-SFRMU can be delivered as extendable ring main unit.
Together, iUN-SFRMU represent a complete solution for 12/24/36 kV secondary distribution networks.
C - Cable switch module | F - Cable switch module | V - Cable switch module |
D - Direct cable connection module | De - Direct cable connection module with earthing switch | M - Metering module |
Operating Conditions
No. | Description | Requirement |
1 | Altitude(installed indoors) | ≤1000m |
2 | Ambient air temperature | -5ºC ~ +40ºC |
3 | Monthly average relative humidity | ≤90%(+25ºC) |
4 | Anti-seismic intensity | ≤8° |
5 | Maximum daily temperature difference | < 25ºC |
Technical Parameter
No. | Items | Unit | Data |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | Hz | 50 |
3 | Main bus-bar rated current | A | 630 |
4 | Major loop and ground loop rated short-time withstand current/ time | kA/s | 20/3 |
5 | Major loop and ground loop rated peak withstand current(peak value) | kA | 50 |
6 | Major loop and ground loop rated short-time making current | kA | 50 |
7 | Load switch rated current breaking times | time | 100 |
8 | Rated transfer current | A | 1700 |
9 | Fuse maximum rated current | A | 125 |
10 | Fuse breaking current | kA | 31.5-50 |
11 | Mechanical endurance | time | 2000 |
12 | 1min power frequency withstand voltage(effective value) | kV | 42/48 |
13 | Lighting impulse withstand voltage inter-phase, to ground, isolation break(peak value) | kV | 75/85 |
14 | Secondary loop 1min power frequency withstand voltage | kV | 2 |
15 | Protection degree |
| IP2X |
16 | External dimension(width * depth * height mm) | mm | 500(375 750) × 940×1900 800×1200×2200 |
SF6 insulated Ring Main Unit Outer assembly
Upper front cover 1. Manometer 2. Nameplate module 3. Short circuit indicator 4. Capacitive voltage indication 5. Load break / earthing switch position indicator 6. Push buttons close/open operation 7. Charged spring indicator 8. Self-powered protection relay 9. Vacuum circuit-breaker position 10. Operation shaft 11. Padlock device Lower front cover 12. Nameplate switchgear 13. Fuse blown indicator 14. Disconnector / earthing switch position indicator 15. Capacitive voltage indication Cable compartment cover 16. Cable compartment cover standard 17. Cable compartment cover with inspection window 18. Support bar (removable) Side cover 19. Lifting lug 20. Operating handle (standard on right hand side) |
Company Profile
About UsFounded in 1996, with a registered capital of 10 million USD, Zhejiang Farady Electric enjoys about 20 years' experience in MV transmission and distribution electrical equipment manufacture.
We are National Hi-tech enterprise, National Spark plan Program,State Hi-tech enterprise, State Innovation R&D center, Patent demonstrate company.
Farady is located in Liushi of Yueqing, Zhejiang,China,main products include: Transformer/RMU/switchgear/AVR/ACR and MV indoor and outdoor switch. All the products of ours have passed the national and international
laboratory type test,Farady Electric was qualified supplier of China State Grid and China southern Grid.
With ISO9001/14001/18001, we are strike for create value for our partner and customer.
There is more than 20 distributors and agents worldwide already trust us and distribute Farady product there, we are not only export product, but also provide whole technology solution to help partner to establish local
factory in our business line.
Today, boasting the value of products specialization, brand management, and business globalization, with the sprits of pragmatism, innovation, efficiency, and responsibility, Farady Company is dedicated to become the
top name in the international. business from china, and contributes its share to the transformation from the Made in China into the Invented in China.
WE COMMITTED TO PROVIDE A BETTER POWER.