From raw materials to finished products, we manufacture our low voltage switchgear assemblies, low-voltage power distribution cabinets, Electrical Ring Main Unit with advanced production capacity, and you can buy and use it with confidence. If you are looking for a supplier with good quality, fast delivery, excellent after-sale service, we will be your best choice. Our business relies on the service creed of 'integrity management and high attention', and we have won the recognition and trust of customers. We follow the corporate tenet of 'sincerity-oriented and practical results'.

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 33/0.4kv 2000kVA EU Style Complete Compact Transformer Substation Outdoor is known by customers throughout the world as user-friendly products characterized by high performance and extreme durability. This company cooperates with local scientific research institutions, and has professional production technology, senior research and development talents, adopting strict processing technology and testing methods. It is actually our accountability to satisfy your needs and effectively serve you.