Since the establishment of our company, we have been focusing on the Air Insulated Switchgears, ring network cabinets, SF6 gas insulated ring main unit field. We pay attention to every request made by customers, fully consider every detail, actively do a good job of service, and provide customers with a full range of product solutions. We are full of energy to meet the challenge of occupying the industrial highland in the future. In the era of globalization, we must keep pace with the times, give full play to the brand advantages, introduce new ideas and professional management team, in order to provide customers with better products and services.

SF6 Ring Main Unit is a completely sealed system, its components and switches are enclosed in the stainless steel body,the whole switch device is not affected by external environmental conditions, so as to ensure the operation reliability and personal safety.

SF6 Ring Main Unit is divided into non expansion standard configuration and expandable standard configuration.

Because of the combination of the whole module and the half module and the self expandability, it has the active flexibility.

1.Rated Voltage:20kV

2.Power frequency withstand voltage:50kV

3.Lightning impulse voltage: 125kV (peak value)

4.Rated Current:630A

5.Closed loop breaking current: 630A

6.Cable charging breaking current:135A

7.Earth fault breaking current:150A

8.Mechanical life:5000 times

1.SF6 gas in the gas filled cabinet is used as arc extinguishing and insulation medium

2.The switch cabinet is a fully enclosed and fully insulated structure; the busbar and live parts of the switch machine are completely enclosed in the stainless steel shell;

3.The switch cabinet operates normally, and the product is free of maintenance for life;

Diagram:

Conmay information:

Henan Fengyuan Power Technology Co.,ltd was established in 1984 and is a designated enterprise specializing in the production of high and low voltage switch cabinets by the State Grid Corporation of China.

We have more than 30 years professional experience in high and low voltage switchgear and integrated substationm,box type substation,transformer,etc, have CE,ISO, GB,CQC,certificate

Factory directly,Professional manufacturer,All can be customized!

Welcome to inquiry!

Over the years, our company's products have been widely praised by users, and customer satisfaction has been increasing year by year. We take the development of the 1250kVA Kiosk Outdoor Complete Prefabricated Substation industry as our responsibility and serve our customers wholeheartedly. Moreover, customer pleasure is our everlasting pursuit. Please contact us now!