It is one of the most competitive Solid Insulated RMU Switchgear, Solid Insulated Ring Main Unit, Switchboard brands at home and abroad. We are willing to cooperate sincerely with customers from all over the world and regions to create a better future with a complete quality assurance system and strict and orderly modern management. We are looking forward to building positive and beneficial links with the companies around the world. In the same field of, our company is favored by customers with its scientific management methods, excellent brands, high-quality products and good after-sales service.

Metal Clad Switchgears are manufactured in conformity with IEC 62271-200 standards and rated up to 40,5 kV, 4000 A, 40 kA/3s electrical values with LSC-2B service Continuity, Partition class PM, AFLR Internal Arc Classification, IP 4X Protection class and with 4/5 independable accessible compartments.

Metal Clad Switchgears is used for power generation, transmission, distribution, electrical energy conversion and consumption in the power system to play the role of on-off, control or protection.

1.Rtaed Voltage: 33kv

2.Rated Current:1250A/630A

3.Temperature rise current:1.1Ir

4.Rated power frequency 1min withstand voltage (phase to ground):95kV

5.Peak value of rated lightning impulse withstand voltage (1.2 ÷ 50s) (phase to ground):125kV

6.Rated short-circuit breaking current:31.5kV

7.Rated short-circuit making current:80kA

8.Rated short-time withstand current and duration:31.5/4 25/4 kA/s

9.Rated peak withstand current:80kA

10.Short time power frequency withstand voltage of auxiliary and control circuit:2kV

1.33KV switchgear is simple in structure,convenient in maintenance and convenient in overall layout and operation;

2.The supporting interlocking action is stable and reliable;

3.Wide use;

4.Reliable performance;

Working Conditions:
a. The Ambient temperature upper limit and lower limit are respectively +40°C and -40°C; (allowing storage and transportation at -30°C);
b. Altitude is not more than 1000m;
c. Relative humidity: daily average value should not be more than 95%, while monthly average value should not be more than 90% (+25°C);
d. Seismic intensity should be not more than 8°;
e. Places without fire, explosion risk, serious pollution, chemical corrosion and violent vibration.

We promise to offer all customers with safe, assured and high-quality Kyn28-12 High Voltage Switch Cabinet Power Distribution Panel Switchgear and services with solid professional knowledge and scientific and effective service concepts. Our technical level and research and development capabilities have gradually improved, and we continue to apply them to new products and new markets. Our advantages are our innovation, flexibility and reliability which have been built during last 20 years.