We have our own production base to ensure the production and quality standards of our three-phase dry type transformer, Transformer Substation Distribution Cabinet, air insulated switchgear, and our business is thriving after years of unremitting efforts. Through years of development, we have laid a solid industry foundation and formed a strong sales network that our products have spread all over the country. Our company conducts regular and quantitative evaluation and improvement of products, service and brand, we optimize service quality to maximize customer satisfaction.

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!

Our target should be to consolidate and enhance the top quality and service of current goods, in the meantime frequently create new products to satisfy diverse customers' calls for Rated Insulation Voltage 660V 1000V Mns Low Voltage Switchgear. We always hold on the company's principle 'honest, professional, effective and innovation', and missions of: let all drivers enjoy their driving at night, let our employees can realize their value of life, and to be stronger and service more people. We provide scientific and rigorous production processes and equipment configuration based on the actual production needs of customers to get the best results.