Through years of unremitting efforts, our Box Type Compact Substation, metal enclosed interrupter switchgear, ring main unit 22kv has been praised among peers and users for its superior performance and enjoys a high reputation. We take measure at any expense to achieve essentially the most up-to-date equipment and approaches. We continue to innovate around the needs of our customers.

It is suitable for three-phase AC 50HZ, rated voltage 40.5KV indoor complete power distribution device. It is mainly used as power distribution, power transmission and large high-voltage motors of power plants, industrial and mining enterprises and institutions, power distribution and secondary substations of power systems Start and other places for control, protection and monitoring purposes.

Technical Parameters

1.Rtaed Voltage: 40.5kv

2.Rated Current:2500A/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):185kV

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

Advantage

1.40.5kV 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;

Configuration information

The standard configuration of the switchgear cabinet includes: housing, shutter mechanism, trolley guide rail and rail interlocking mechanism, each component mounting plate or mounting beam, casing plate (aluminum plate or steel plate),door plate, hinge, door lock, viewing window (tempered glass), cable hoop, cable sealing ring, etc.

With advanced technology and customer-responsible service concepts, we have served many customers and accumulated rich production experience of High Voltage Insulated Metal-Clad Enclosed Cabinet Switchgear. We help customers increase value, achieving mutual benefit and win-win results. We have continuously introduced international advanced workmanship and equipment since foundation, and also widely cooperate and communicate with experts at home and abroad in technology.