We have always been committed to becoming one of the professional manufacturers in the Indoor medium voltage dry type transformer, Electrical Transformer, Outdoor High Voltage Circuit Breaker industry. We have continuously created good achievements in the industry and obtained trust from new and old users. The continuous expansion of the overall industry sector has brought us market opportunities and challenges, and created a lot of space for enterprises to enhance our value at the same time.

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!

In line with the concept of excellence and excellence, each of our Railway Electric Gas Insulation Switchgear is the dedication of our employees sincerely and love, and at the same time, we are infused with perfect service. The main intention of our firm is to build up a satisfying memory for all consumers, and set up a long-term win-win small business connection. Today we will take the talent as the guide, the quality as the center, and take the customer focus as the concept to meet the bright future.