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 |
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 |
10 |
Lightning impulse withstand voltage |
75(phase to earth)80 |
|
11 |
Dimension(WxDxH) |
mm |
800x1100x2380 |
12 |
Protection degree |
IP4X |
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