Circuit Breaker
SF6 Load Break Swtch with Fuse
FL(R)N36-12D Indoor high voltage vacuum switch is a kind of SF6 vacuum switch, fuse combination switch, and can be amounted with cable head....FL(R)N36-12D indoor high voltage vacuum switch
Summary
FL(R)N36-12D Indoor high voltage vacuum switch is a kind of SF6 vacuum switch, fuse combination switch, and can be amounted with cable head. The switch has passed comprehensive testing in accordance with GB3804(3-36kv AC high voltage isolator switch), GB16926(high voltage fuse combination switch), IEC 60265, IEC60420. The switch has three station arc distinguishing chambers, separately for connecting, disconnecting and earthing. It has the advantages of reliable linking lock, high insulation strength of connection, long creepage distance, and also voltage -equalizing cover for wiring connection.
SF6 vacuum switch can be widely applied to three phases AC power system of 10KV, 50HZ.
Specification
|
No. |
Item |
Unit |
Data |
||
|
FLN |
FLRN |
||||
|
1 |
Rated voltage |
kV |
12 |
12 |
|
|
2 |
Rated frequency |
Hz |
50 |
50 |
|
|
3 |
Rated current |
A |
630 |
125 |
|
|
4 |
Vacuum switch rated short-time withstand current/rated |
kA/s |
20/3 |
- |
|
|
5 |
Rated peaking withstand current and rated short circuit cut-in current |
kA |
50 |
- |
|
|
6 |
Rated cut-off current Max loading cut-off current |
A |
630 |
- |
|
|
7 |
Rated insulation level |
1minute power frequency withstand voltage |
kV |
42/48 |
42/48 |
|
Lighting impulse withstand voltage |
kV |
75/85 |
75/85 |
||
|
8 |
Mechanical endurance of main circuit and earthing circuit |
3000/2000 |
2000/2000 |
||
|
9 |
Rated pressure of SF6(20 under 1 atm) |
Mpa |
0.04-0.05 |
0.04-0.05 |
|
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