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Help CenterFN3-12 Series Indoor High Vacuum Load Break Switch 12KV
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Specifications
1.Voltage: 12KV2.Current: 400A
3.For breaking or closing load and over-load current
4.Fuse can be allocated
FN3-12 Series Indoor High Vacuum Load Break Switch 12KV
Use
1. FN3-12, FN3-12R, FN3-12R/S Series are used in the network of AC 50Hz, 6KV or 12KV for breaking or closing load and over-load current. They are also used in breaking and closing no-load ling. the switch of no-load transformer and capacitor with RN3 type fuse box. Can cut off short-circuit for protecting switch.
2. They can be equipped with CS3 type and CS2 type handle operating mechanism.
Service Condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature:Max.:+40 .Min.:-10 .
3. The relatire humidity of air not bigger 90%(temperature:25 )
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of afffect insulation anddestroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.
Technical parmeter
The load switch is suitable for the basic technical parameter
Type |
Rated voltage (KV) |
ing voltage (KV) |
Rated current (A) |
Machine stabling current (A) |
Heat-stabling current (A) |
FN3-12 |
12 |
12.7 |
400 |
25 |
10/2 |
The load switch with fuse box is suitable for the technical parameter
Type |
Rated voltage (KV) |
Rated current (A) |
Max.breaking current (kA) |
Max.cut-off capacity (mva) |
Current peak when cutting off limit short-circuit (kA) |
RN3-3 |
3 |
10-50 |
40 |
200 |
24.5 |
75-100 |
24.5 |
||||
200 |
36 |
||||
RN3-6 |
6 |
10-50 |
20 |
200 |
14 |
75 |
14 |
||||
100 |
19 |
||||
200 |
25 |
||||
RN3-12 |
12 |
|
12 |
200 |
|
10-50 |
8.6 |
||||
75 |
8.6 |
||||
100-50 |
15.5 |
Appearance
Installation Diagram
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