The HXGN17-12 AC Metal-enclosed Ring Main Unit Switchgear (hereinafter referred to as "ring main unit") is a new product designed and developed by Boerstn Electric co. from oversea advanced latest techniques. The technical indicators of the product reaches standard of IEC62271-200 and GB3906. The product is characterized by small volume,light weight,operation flexibility,maintenance convenience, and quality stability & reliability, and it comes out with perfect interlock protection functions and IP3X protecton grade, so it is an ideal product for mains grid reconstruction. The product is mainly applicable to 50Hz three-phase AC network for receiving and distributing energy.
Mainly applicable in urban power grid construction and renovation project. industrial and mining enterprises.high-rise buildings and communal facilities .For power distribution .controlling and protection on electric equipment as the loop power supply unit or termina equipment. It also can be installed in preloaded substation.
Use SF6 load switch and load switch-fuse combination as main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switch and insulating switch are equipped with hand operating mechanism. With small volume and high security
1.Many years ring mian unit manufacturer
2.Easy installation
3.Less maintance
4.Safe and upgradeable
1.Altitude: Not exceed 2500m above sea level;
2.Ambient temperature:-25℃ ~ +45℃, the highest temperature is not exceed25℃;
3.Ambient humidity: Daily average RH ≤ 95%; Monthly average RH ≤ 90%
4.Earthquake intensity: ≤ 8°;
5.No flammable, explosive, no serious pollution, No chemical corrosion and severe vibration.
No. | Item | Unit | C/F Unit | V Unit | |||||
Load break switch | Circuit breaker | ||||||||
1 | Rated voltage | kV | 12 | 24 | 12 | 24 | |||
2 | Rated current |
| 630 | ||||||
3 | Rated frequency | Hz | 50/60 | ||||||
4 | 1min Power frequency withstand voltage | kV | 45 | 55 | 45 | 55 | |||
5 | Lightning impulse withstand voltage | kV | 75 | 125/150 | 75 | 125/150 | |||
6 | Rated transferring current | A | 1700 | 1400 |
| ||||
7 | Rated load circuitmaking current | A | 630 | ||||||
8 | Rated cable(line) charging breaking current | A | 50&10 | ||||||
9 | Rated short circuitbreaking current (peak) | kA |
| 20 | 16 | ||||
10 | Rated short circuit making current (peak) | kA | 63 | 50 | 63 | 50 | |||
11 | Short time (2s) withstand current, load switch | kA | 25/20 | 20/20 | 25/20 | 20/20 | |||
12 | Rated withstand current (peak) | kA | 63 | 50 | 63 | 50 | |||
13 | Mechanism life | times | 3000 | 10000 | 3000 | ||||
14 | Dimension | mm | 370x750x1345 |
Boerstn is engaged in manufacturing,development,service ,sales & marketing of H.V./L.V. power distribution equipments,switchgears,pad-mounted transformers,compact substations..etc .for all over the world. As a leading & professional manufacturer in China,we mainly manufacture below items and supply their electrical accessories:
1. Are you the manufacturer or trader?
Boerstn is a leading & professional manufacturer located in Zhejiang province of China.
2. What is your main markets?
Our main market is in home & a half in South-East Asia, Middle East,West-Africa, East-European countries & Some South America..etc
3. What is your delivery & after-sales serive?
The delivery is according to order qty, normally for containers order we need 1 month. Per each month 20 containers (20'ft or 40'ft)are no problem for us . We can answer user's question and solve their problem in 24 hrs per each day and give full technical support in time to all of our products.
4. What is your product warranty?
Firstly we have quality certificates like CCC, ISO9001..etc for our switchgears & power equipments ,have CE,Rohs,CB,TUV,Kema..for their electrical parts and accessories. Secondly we supply 1 year quality guarantee,during this period we supply free repair,maintenance and technical support.Certainly for some of switchgears and power equipments, their using life is over 20 years,no problem.
5.Do you accept OEM and ODM?
Yes. Our R & D team owns latest technology ,can develop & produce products as customers' drawing & under their brand
6. What is your payment terms?
a. 30% T/T in advance as deposit ,balanced against the shipping documents
b. irrevocable L/C at sight for order which amount is over 100 thousand USD
C. for old business partner,we can negociate together for other special terms
d . For samples, we accept T/T,Western union, moneygram, paypal..etc
7. If i want to visit you ,how to do ?
Our company is located in Yueqing city of Zhejiang province China,which is about 40 minutes by car to Wenzhou air port & 30 minutes from Yueqing train station. About 1 hrs by air from Shanghai international airport and 1 hrs from Ningbo by train. If you need invitation letter before come to China,we can give it to you.