The company now has a professional insulated ring main units, power substation, Pole-mounted Transformer production plant with complete inventory supply, timely delivery, considerate after-sales service, and reasonable prices. In order to control the rate of service complaints and to make the dissatisfaction rate lower than one in ten thousand, we record and deal with customer-reported problems without fail. We always adhere to the principle of 'high quality and low price, customer first', and work together with colleagues from all walks of life with advanced ideas and good technology to cooperate in good faith and develop together. We will sincerely carry out extensive cooperation with friends from all over the world, jointly creating a better career! Our factory has always emphasized on technological innovation and research development.

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!

'Products are better, not the best.' This is the slogan of our quality department. At present, the 33/0.4kv 2500kVA EU Style Outdoor Complete Compact Transformer Substation have been sold all over the world, deeply trusted by merchants and consumers at home and abroad and won a good reputation. We adhere to the justice business philosophy of revitalizing the national industry, implement an upright corporate management system, and formulate correct policies and strategies. In the new century, our company continues to carry forward the enterprise spirit of 'endless pursuit and all-round improvement', abides by quality first and customer first.