First class service and professional technicians make our company the pioneer in the same field and provide more high quality YB Electrical Prefabricated Substation, Metal Enclosed HV Switchgear, Power Transformer Substation for our customers. In order to ensure customer satisfaction, we use expert-level services, tailor-made for customers, and provide a full range of product solutions. We've been looking forward to your inquiry and order. To achieve your expectations and create your profits is always our mission. Our business philosophy is 'today's quality is tomorrow's market, and customer satisfaction is our pursuit'.

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!

Relying on the scientific research team and technical level, our company provides customers with the design and manufacture of 33kv/72.5kv/145kv 50Hz/60Hz Outdoor Hgis Compact Easy Gas Insulated Switchgear Combined of CB Ds CT PT, as well as solving technical problems. Welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! We really understand the market demand, how to better marketing and better give the products that consumers need.