Vacuum Chamber ZKTJ-250/1.14
Vacuum Chamber ZKTJ-250/1.14
Parameter
|
No. |
MAIN TECHNICAL DATA |
Unit |
|
|
|
1 |
Rated Voltage |
kV |
1.14 |
|
|
2 |
Lightning Impulse Withstand Voltage (Peak) |
kV |
|
|
|
3 |
Short-time (1min) Power-frequency Withstand Voltage |
kV |
5 |
|
|
4 |
Rated Frequency |
Hz |
50/60 |
|
|
5 |
Rated Current |
A |
250 |
|
|
6 |
Rated Short-time Withstand Current |
kA |
3.5 |
|
|
7 |
Rated duration of Short-circuit |
s |
1 |
|
|
8 |
Rated Breaking Current |
A |
2500 |
|
|
9 |
Limiting Breaking Current |
kA |
4.5 |
|
|
10 |
Rated Making Current |
kA |
3 |
|
|
11 |
Rated Operating Frequency |
AC-3 |
Operations/h |
|
|
AC-4 |
|
|||
|
12 |
Short-time Operating Frequency |
Operations/h |
3000 |
|
|
13 |
Utilization Category |
AC |
|
|
|
14 |
Electrical Endurance |
AC-3 |
Operations |
5*106 |
|
AC-4 |
8*104 |
|||
|
15 |
Mechanical Endurance |
Operations |
5*106 |
|
|
16 |
Clearance Between Open Contacts |
mm |
1.2~1.5 |
|
|
17 |
Contact Closing Force Due to Bellows and Atmosphere |
N |
40~68 |
|
|
18 |
Counter force of Contacts at Full Stroke |
N |
50~78 |
|
|
19 |
Circuit Resistance at Min. Rated Contact Force |
μΩ |
|
|
|
20 |
Contact Limit Erosion |
mm |
1 |
|
|
21 |
Mass of Moving Parts |
kg |
0.23 |
|
|
22 |
Internal Gas Pressure |
Pa |
<=1.33*10-3 |
|
|
23 |
Shelf Life |
Year |
10 |
|
Outline Dimension drawing
