Audited Supplier
This ring main unit has the characteristics of simple structure, flexible operation, reliable interlocking, and convenient installation. It is suitable for 50Hz, 12 kV power systems, and is widely used in industrial and civil cable ring networks and distribution network terminal projects. It is used for energy reception and distribution, especially in urban residential areas, small substations, switch stations, cable branch boxes, box type substations, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, sports fields, railways, tunnels, and other places.
Due to its advantages of full insulation, full sealing, and full shielding, this product is particularly suitable for use in areas with harsh environments such as high altitude, high temperature, humid heat, severe cold, and severe pollution.
| Project | Unit | Parameters |
| Routine | ||
| Rated voltage | kV | 12 |
| Rated frequency | HZ | 50 |
| Power frequency withstand voltage | kV/min | 42/48 |
| Lightning impulse voltage | kv | 75/85 |
| Arc duration | ≥0.5 | |
| Primary component protection level (measuring cabinetExcluding) | IP67 | |
| Cabinet protection level | IP4X | |
| Protection level between compartments | IP2X | |
| Operating power supply voltage | DC24,48,110,220 | |
| AC110,220 | ||
| Bus system | ||
| Rated current | A | 630(1250) |
| Rated short-term withstand current | kA/s | 20/4(25/4) |
| Rated peak withstand current | kA | 50(63) |
| Rated peak withstand current | kA | 50 |
| Load switch unit | ||
| Rated current | A | 630 |
| Rated short-circuit making current | kA | 50 |
| Rated short-term withstand current | kA/s | 20/4 |
| Mechanical life of load switch | ||
| Electrical life of load switch | E3 | |
| Partial discharge | PC | ≤5 |
| Circuit breaker unit |
According to the type of switch, it can be divided into load switch with grounding assembly (referred to as C module), load switch without grounding assembly (referred to as CB module), circuit breaker with grounding assembly (referred to as V module), circuit breaker without grounding assembly (referred to as VB module), circuit breaker contact switch (referred to as VZ module), load switch+fuse combination electrical switch assembly (referred to as F module), and isolation switch assembly (referred to as G module).
Working conditions
Environmental temperature: -45 ºC~+45 ºC;
Humidity: Maximum average relative humidity, daily average ≤ 95%, monthly average ≤ 90%;
Altitude: ≤ 4000 meters;
Seismic resistance: 8 degrees;
Protection level: charged body sealing IP67, fuse cartridge IP67, switchgear shell IP3X;
Lipeng Electric Co, Ltd. is specialized in the research and development, as well as the production and manufacturing of power transmission and
distribution equipment such as cable tap connections, high and low voltage switchgear, box type substations, and switching stations. The
company has a group of high-quality technical management talents, with over 30% of R&D personnel holding intermediate or higher
professional titles, and over 20% of management personnel holding intermediate or higher professional titles. By adopting modern information technology and fully implementing lMs (Computer Integrated Manufacturing System) and PDM (Product Data Management System), the production and management capabilities of enterprises have been elevated to a new level.
On the basis of obtaining mandatory 3C certifcation and ISO9001 guality management system certification in China, the company has also
passed lS014004 environmental management systerm certification and ISO45001 occupational health and safety management system certifica
hon. The product is widelv used in maior eneineering proiects both domesticalvy and internationaly, invoiving industries such as power trans
portation, steel metallurgy, petrochemicals, national defense industry, communication, environmental protection, and construction, and has
received widespread praise from users.
1.A: Are you manufacturer?
Q: Yes, we are manufacturer. Our factory is in Guangzhou City, Guangdong Province.
2.A: Can I get guarantee of products?
Q: Yes, every product is 1 year quality warrantee under customer correct using the products.
3.A: Do you have any Certificate?
Q: Yes. Each of our unit has CE, 3C and KEMA certificate. lf you need any other Certificate, we can help you to apply it.
4.A: How can l pay you?
Q: Pay by T/T and L/C is acceptable.
5.A: What about the production?
Q: In general, it take 4~6weeks and it depend on the different style.
