- Circuit Breakers[7]
- Fuses[3]
- Other Electrical Equipment[1]
- Other Switches[10]
- Other Machinery[1]
Indoor Load Switch, Disconnector,LBS, FN3-12
1.Indoor Load Break Switch
2.Onload Switch for 12kV
3.IEC62271, GB3804 Standard
Summary
1.FN3-12、FN3-12R、FN3-12R/S Series are used in the network of AC 50Hz、6KV up to 12KV for breaking or switching on-load and over-load current. This switch is also used for breaking and switching no-loading equipments . The Switch-Fuse Combination(FN3-12R, FN3-12R/S) with RN3 Fuse can switch the short-circuit current, that can protect the switch.
2.They can be equipped with CS3 or CS2 handle as operating mechanism.
Service Condition
1 、The altitude does not exceed 1000m.
2、The ambient air temperatrue : 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 effect insulation anddestroy metal.
6、The working situation without violent vibration and striking.
7、The working situation have no explosive danger and fire.
Technical Information
The load break switch is following the below technical parameter (please refer the table)
Type | Rated voltage (kV) | Max.working voltage (kV) | Rated current (A) | Machine stabling current (kA) | Heat-stabling current (kA) |
FN3-12 | 12 | 12 | 400 | 25 | 10/2 |
The load switch-fuse combination is following the below technical parameter (please refer the table)
Type | Rated voltage | Rated current | Max.breaking (A) | Max.cut-off capacity (kVA) | Current peak when cutting (kA) |
RN3-3 | 3 | 10~50 | 40 | 200 | 24.5 |
75~100 | 24.5 | ||||
200 | 35 | ||||
RN3-6 | 6 | 10~50 | 20 | 200 | 14 |
75 | 14 | ||||
100 | 19 | ||||
200 | 25 | ||||
RN3-10 | 12 |
| 12 | 200 |
|
10~50 | 8.6 | ||||
75 | 8.6 | ||||
100~50 | 15.5 |
Appearance diagram
Installation diagram
Installation diagram for FN3-12 Load Switch with CS3 operating mechanism (The mechanism should be installed at the back of the switch).
Installation diagram for FN3-12 Load Switch with CS3-I operating mechanism (The mechanism should be installed at the back of the switch).