Zhejiang Pingchao Electric Co.,Ltd

Switchgear

KYN28-12 Removable Ac Metal Enclosed Switchgear

KYN28-12 Removable Ac Metal Enclosed Switchgear

The switchgear is installed with VSI or VD4 vacuum circuit breaker. The mechanical interlocking and protection system in the switchgear can gurantee the right operation handcraft of, earthing switch and circuit breaker, avoiding mis-operations....
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KYN28-12 removable ac metalenclosed switchgear

Summary
The switchgear is installed with VSI or VD4 vacuum circuit breaker. The mechanical interlocking and protection system in the switchgear can gurantee the right operation handcraft of, earthing switch and circuit breaker, avoiding mis-operations. 


Ambient condition
1. Altitude: 1000m; ≤
2. Ambient temperature: -15 40 ℃~+ ℃;
3. Relative humidity: daily average 95%, monthly average 90%; ≤ ≤
4. Earthquake intensity: 8 degree; ≤
5. Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.

 

Specifications

Item

Unit

data

Rated voltage

kV

12

Rated insulating
  Level

Power frequency withstand voltage

kV

Phase to phase,to ground 42 fracture 48

Lighting impluse withstand voltage

kV

Phase to phase,to ground 75 fracture 85

Rated frequency

Hz

50

Rated current

A

630,1250,1600,2000,2500,3150

Rated current of main bus

A

630,1250,1600,2000,2500,3150

Rated short-circuit breaking current

kA

25,31.5,40

Rated short time withstand current of   main circuit

kA/4s

16,20,25,31.5,40

Rated short time withstand current of   earthing circuit

kA/2s

13.9,17.4,21.8,27.4,34.8

Rated peak value withstand current

kA

40,50,63,80,100

Ip level

 

IP4X

 

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