Our destination is 'You come here with difficulty and we provide you with a smile to take away' for Air Insulated SF6 Ring Main Unit, Metal Armored Central Removable Switchgear, Power Distribution Transformer. We have established a long-term, close and stable cooperative relationship with our customers. The excellent technical strength and competitive market price not only win business opportunities for us, but also win the trust and support of our 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!

In the process of development, our company has constantly strengthened its quality, built up its image outside, strengthened its management and constantly explored ideas and expanded its market. Now Yb Series 33/0.4kv 2500kVA Prefabricated Switchgear Substation have been sold all over the country and multiple foreign countries and are in an advantageous position in the market. We'll do our greatest to fulfill your specifications and are sincerely searching ahead to developing mutual helpful small business marriage with you! We strive to enhance our own strength, hoping to increase the company's control and influence in the industry involved.