'Customer first, High quality first' in mind, we perform closely with our consumers and provide them with efficient and experienced services for Air Insulated Ring Main Unit, High Performance Oil Immersed power Transformer, SF6 Insulated Ring Main Unit. We provide professional after-sales service and technical support. We deeply realize that innovation is the inexhaustible driving force and advantage of our company's 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!

With our sophisticated technology and professional service, we are always committed to help customers to maximize their value, and to become the worldwide leading brand of 40.5kv Intelligent Compact Solid Insulated Electrical Switchgear. Our attitude of scientific innovation and perfect service is implemented in R&D, production, sales, and management. The integrity, strength and product quality of our company have been recognized by the industry.