Reputation is first', and will sincerely create and share success with all clients for Box Type Power Distribution Substation, Epoxy Resin Dry-type Transformer, 22kv air insulated switchgear. We have customers from various countries and our reputation has been recognized by our esteemed customers. We are sincerely looking forward to cooperate with customers all over the world.

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 company adheres to the market as the guide, strengthen its own management level, improve the quality of Gas Insulated Switchgear 145kv Insulation Medium Sf6 for Substation Project and hope to get suggestions and supervision from customers and consumers. Our company always takes the customer as the center, takes service as the highest purpose, and truly fulfills the promise of 'leading technology, quality assurance, and service first'. All our products are at the advanced level of the industry. Our company always adheres to the business philosophy of 'improving efficiency and reducing costs', strives to create a good corporate culture atmosphere, and actively introduces senior management and technical personnel to provide a strong guarantee for better service to customers.