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FN3-12 Series Indoor H.V. Load Switch |
产品类别 : H.V. Load Switch 查看: 509次 |
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1、FN3-12 、FN3-12R、FNS-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(please see the table)
| Type |
Rated voltage |
Max.working voltage |
Rated current |
Machine stabling current |
Heat-stabling current |
| FN3-12 |
12 |
12.7 |
400 |
25 |
10/2 |
The load switch with fuse box is suitable for the technical parameter(please see the table)
| 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 |
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12 |
200 |
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| 10-50 |
8.6 |
| 75 |
8.6 |
| 100-50 |
15.5 | |
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添加时间: 2007-6-29 15:58:02 |
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