| MAIN TECHNICAL DATA |
Unit |
ZKTJ140/1.14 |
| Rated Voltage |
kV |
1,14 |
| Lightning Impulse Withstand Voltage (Peak) |
kV |
|
| Short-time (1min) Power-frequency Withstand Voltage |
kV |
5 |
| Rated Frequency |
Hz |
50/60 |
| Rated Current |
A |
630 |
| Rated Short-time Withstand Current |
kA |
8 |
| Rated duration of Short-circuit |
s |
1 |
| Rated Breaking Current |
A |
6300 |
| Limiting Breaking Current |
kA |
6,3 |
| Rated Making Current |
kA |
7,56 |
| Rated Operating Frequency |
AC-3 |
Operations/h |
|
| AC-4 |
|
| Short-time Operating Frequency |
Operations/h |
3000 |
| Utilization Category |
AC |
|
| Electrical Endurance |
AC-3 |
Operations |
3x106 |
| AC-4 |
6x104 |
| Mechanical Endurance |
Operations |
5x106 |
| Clearance Between Open Contacts |
mm |
1,2~1,5 |
| Contact Closing Force Due to Bellows and Atmosphere |
N |
105~140 |
| Counterforce of Contacts at Full Stroke |
N |
120~160 |
| Circuit Resistance at Min. Rated Contact Force |
µΩ |
|
| Contact Limit Erosion |
mm |
1 |
| Mass of Moving Parts |
kg |
0,6 |
| Internal Gas Pressure |
Pa |
≤1,33x10-3 |
| Shelf Life |
Year |
10 |
