Summary
GN19- 12(C) indoor disconnecting switch is applied in power system with rated voltage 12kV, AC 50Hz and below, it uses with CS6-1 manual operating mechanism, for making and breaking the circuit with voltage and without load, it has pollution proof type, plateau type and adding electrification indication type.
G19 Key Technical Parameters
|
Items |
Units |
Technical parameters |
|
|
Rated voltage |
kV |
12-15 |
|
|
1 min Power frequency withstand voltage |
To earth |
kV |
38 |
|
|
Across open DS |
kV |
42 |
|
Lightning impulse withstand voltage |
To earth |
kV |
75 |
|
|
Across open DS |
kV |
85 |
|
Rated frequency |
Hz |
50 |
|
|
Rated current |
A |
200、400/630/1000/1250 |
|
|
Short time withstand current(4s) |
kA |
6.3/12.5/20/31.5/40 |
|
|
Rated peak withstand current |
kA |
16/31.5/50/80/100 |
|
|
Rated duration of short/circuit |
S |
4/2 |
|
|
Creepage Distance |
mm |
300-380 |
|
|
Mechanical life |
times |
2000 |
|
| Type | Rated Voltage(kV) | Rated Current(A) | Short time withstand current(4s) kV | Rated peak withstand current kV |
| GN119-12/400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-12/630-20 | 12 | 630 | 20 | 50 |
| GN19-12/1000-31.5 | 12 | 1000 | 31.5 | 80 |
| GN19-12/1250-31.5 | 12 | 1250 | 31.5 | 80 |
| GN19-12/400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-12/630-20 | 12 | 630 | 20 | 50 |
| GN19-12/1000-31.5 | 12 | 1000 | 31.5 | 80 |
| GN19-12/1250-31.5 | 12 | 1250 | 31.5 | 80 |