We are always ready to provide customers with thoughtful SF6 gas insulated ring main unit, DC Panel switchgear, Epoxy Cast Resin Transformer solutions, products and services, and we can meet customer needs in a very short time. Each of our products has been tested and perfected thousands of times. We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. What we do should have a positive impact, therefore we will deal with all kinds of relationships frankly and honestly and be responsible for our actions. The quality policy of 'survival by quality, development by reputation' makes our company in an invincible position in the fierce market competition. Our company's leaders and all the staff warmly welcome friends from all walks of life to visit, guide and negotiate.

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!

Continuously, we have a wide group of clients not only because of our reliable Gas Insulated Switchgear (GIS) Power Plant Electrical Equipment, but also because of our innovation and development technology. Our company's main items are widely used all over the world; 80% of our products and solutions exported to many international markets. We're doing everything to supply our customers with best services and best solutions.