Over the past years, we have devoted our wisdom to the exploration and truth-seeking in the field. We have highlighted the practical value of applied science and we effectively improved the 11kv Dry Type Transformer, RMU switchgear for substation, waterproof transformer quality. With the strategy of 'going out, expanding the market, preempting opportunities and promoting service', we aim to serve global users, and provide stable and efficient solutions for customers with professional team and advanced technical advantages. We are eager to cooperate with foreign companies which care much on the real quality, stable supply, strong capability and good service. Since the establishment, we have adhered to the path of professionalism. We have tried our best to fully meet the needs of our customers and develop partnerships with customers. We hope to establish an effective management method to promote communication and cooperation between enterprises and between enterprises and customers.

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!

We uphold a consistent level of professionalism, top quality, credibility and service for 145kv Hybrid Sf6 Gas Insulatedswtichgear for Indoor Substation. All employees of our company will record the customer's and customer's problems in detail, timely feedback and timely solution. Our company is equipped with a number of experienced management and R&D elites, so you can trust on our professional technology and skills.