iSafering 12kv 17.5kv 24kv Sf6 Gas Insulated Ring Main Unit Switchgear

iSafering SF6 insulated Ring Main Unit
Gas Insulated Ring Main Unit
iSafeRing is a SF6 insulated ring main unit for the secondary distribution network. iSafeRing can be supplied in 10 different configurations suitable for most switching applications in 12/24/36 kV distribution networks. As an option, iSafeRing can be delivered as extendable ring main unit.
Together, iSafeRing represent a complete solution for 12/24/36 kV secondary distribution networks.

Modularity and external busbar
All modules except the metering module and circuit-breaker module are only 325 mm wide.
Transformer protection
iSafering offers a choice between a switch fuse combination and circuit breaker with relay for transformer protection. The switch fuse combination offers optimal protection against short-circuits, while the circuit breaker with relay option offers better protection against low overcurrents. Circuit breaker with relay is always recommended for larger transformers.
Normal operation conditions
The rated characteristics of the switchgear are valid under the following ambient conditions:
minimum ambient temperature: - 25 °C
maximum ambient temperature: + 40 °C
For different temperature ranges, please contact your UNISUN sales representative.
Standards
iSafeRing/iSafePlus is tested according to following
IEC-standards:
IEC 62271-1/IEC 62271-100/IEC 62271-102/IEC 62271-103/IEC 62271-105/IEC 62271-200/IEC 60529

Unisun Electric was founded in August 1987, formerly known as the original Yueqing Great Wall electrical equipment factory, founded by Mr. Huang in June 1987, Mr HUANG is also founder of YUEQING QIUJING SWITCH FACOTRY(FORMER OF CHIINT AND DELIXI).

After more than 30 years of development, the products cover Medium Voltage Switchgear, low voltage switchgear, Busbar Trunking System, Pole Top Switch, Transformers, Instrument Transformer, Ring Main Unit, Load Break Switch.

Unisun Electric has more than 600 offices and sales companies in all major cities in China, with 81 holding companies and more than 300 foreign-invested cooperative companies, with more than 3, 500 elite employees, including 450 scientific and technical personnel Operating area of 127, 000 square feet, the products are exported all over the world.

Over the years the company has been committed to the development of national electrical industry, and many scientific research institutes, universities and international industry giants to establish close cooperation, set up a "Anhui LV Power Technology Research Institute".

2009 and the United States General Motors (GE) strong combination, to create the Asia-Pacific region's largest and most professional marine switchgear and low-voltage electrical equipment, has developed the GEA plus2.0, Modula plus, Modula 630k, marine transformers, marine box substation, Marine electrical automation equipment, tunnel dedicated distribution cabinet and other products.

Unisun Electric in accordance with the modern enterprise advanced management mode, established a scientific and sound management system, in strict accordance with the ISO9001: 2000 quality management system for production, sales and service, such as comprehensive, strict and scientific control and management, 2008 and have imported ISO14001: 2004 environmental management system and OHSAS18000 occupational health and safety management system, to create an environmentally friendly, healthy, safe and harmonious new enterprise.

The company's production and development of products, have passed the 3C, CQC, UL certification, and have access to "YUEQING FAMOUYS MARK", "Zhejiang Famous Brand Product", "China's well-known high and low voltage switchgear products top ten brands", "China's leading enterprises", "China's top ten brands", "China's top ten brands", "China's top ten brands, " "China's top ten brands, " "China's top ten brands" Big influence brand ", " national famous product after-sales service advanced unit "honorary title.

The twenty-first century is the era of knowledge economy, enterprise competition and development with the opportunity, both opportunities and challenges. And excellent in the "in good faith as a fundamental, customer-centric, quality of survival, innovation and development" business philosophy, the spirit of "seeking cooperation and win-win cooperation" business philosophy sincerely welcome friends at home and abroad work together, A total of the glorious future, create greater glory!