KGN Fixed Metal-clad Switchgear

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seat: Beijing
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Last update: 2017-11-13 11:58
Browse the number: 245
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KGN Fixed Metal-clad Switchgear

 Overview

 KGN -12 fixed metal-clad switchgear(short for switchgear as below) applies to 3.6~12KV, 3 phase AC 50/60Hz network for receiving and distributing power energy and also for control, monitor and protection. It ca n be used in s ingle busbar, single busbar section system. It is manufactured accords to IEC62271-200& GB3906 3~35KV AC Metal Enclosed Switchgear, DL404 Order Specification for Indoor AC HV Switchgear and so on. It has reliable prevention function against false operation.

 Ambient condition

 1. Ambient temperature: -10 ~40 ; daily average: 35 ;

 2. Altitude: 1000m

 3. Relative humidity:daliy average: 95%,monthly average: 90%

 4. Earthquake intensity: 8 degree;

 5. Applicable occasions should be free from inflammables, explosives,corrosives and severe vibration.

 Techincal  parameter

No.

Item

Unit

Data

1

Rated voltage

kv

12

2

Rated current

A

630, 1250

3

Rated peak withstand current

KA

50, 63, 80

4

Rated short time withstand current

KA

20, 25, 31.5

5

Rated short circuit breaking

     current breaking time

TIEMS

30

6

Mechanical life

TIMES

30000

7

Rated short circuit continuous time

S

4

8

Rated short circuit breaking current

KA

20, 25, 31.5

9

1 min P.F. withstand voltage

KV

42(phase to earth)48

     (across open contacts)

10

Lightning impulse withstand voltage


75(phase to earth)80

     (across open contacts)

11

Dimension(WxDxH)

mm

800x1100x2380

12

Protection degree


IP4X

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