|
Model |
LTB |
|
145D1/B |
170D1/B |
245E1 |
420E2 |
|
Type |
SF6 gas |
|
Rated Voltage(KV) |
145 |
170 |
245 |
420 |
|
Rated normal current(A) |
3150 |
3150 |
4000 |
4000 |
|
Rated frequency(HZ) |
50 |
|
Rated breaking
current(KA) |
40 |
40 |
50 |
50 |
|
Rated making current(KA) |
100 |
100 |
125 |
125 |
|
Power frequency
withstand voltage to earth (KV) |
275 |
325 |
460 |
520 |
|
Power frequency(KV) |
275 |
325 |
460 |
610 |
|
Lightning impulse
withstand voltage |
650 |
750 |
1050 |
1425 |
|
Rated operating
sequence |
O-0.3S-CO-3MIN-CO |
|
Installation |
Outdoor |
|
Operating mechanism |
BLK(Spring Type) |
BLK(Spring Type) |
BLK(Spring Type) |
BLG(Spring Type) |
|
Closing / Opening /
Breaking time/s |
40/19-25/40 |
40/19-25/40 |
55/17-19/40 |
60/17-21/40 |
|
Creepage distance (nominal) |
3900mm |
- |
6327mm |
11597mm |
|
Creepage Distance (long) |
- |
4585mm |
7766mm |
14514mm |
|
Applicable standard |
IEC 62271-100 |
