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KGN -12 Fixed Metal-clad Switchgear

Summary
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 Specifi cation for Indoor AC HV Switchgear and so on. It has reliable prevention function against false operation.

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KGN -12 Fixed Metal-clad Switchgear
Summary
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 Specifi cation 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.



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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