Vacuum Chamber TJC20-7.2/400
Vacuum Chamber TJC20-7.2/400
Parameter
|
No. |
MAIN TECHNICAL DATA |
Unit |
|
|
|
1 |
Rated Voltage |
kV |
7.2 |
|
|
2 |
Lightning Impulse Withstand Voltage (Peak) |
kV |
60 |
|
|
3 |
Short-time (1min) Power-frequency Withstand Voltage |
kV |
32 |
|
|
4 |
Rated Frequency |
Hz |
50/60 |
|
|
5 |
Rated Current |
A |
400 |
|
|
6 |
Rated Short-time Withstand Current |
kA |
4 |
|
|
7 |
Rated duration of Short-circuit |
s |
4 |
|
|
8 |
Rated Breaking Current |
A |
4000 |
|
|
9 |
Limiting Breaking Current |
kA |
|
|
|
10 |
Rated Making Current |
kA |
10 |
|
|
11 |
Rated Operating Frequency |
AC-3 |
Operations/h |
|
|
AC-4 |
300 |
|||
|
12 |
Short-time Operating Frequency |
Operations/h |
|
|
|
13 |
Utilization Category |
AC |
|
|
|
14 |
Electrical Endurance |
AC-3 |
Operations |
2.5*105 |
|
AC-4 |
10*104 |
|||
|
15 |
Mechanical Endurance |
Operations |
|
|
|
16 |
Clearance Between Open Contacts |
mm |
4 ~ 5.5 |
|
|
17 |
Contact Closing Force Due to Bellows and Atmosphere |
N |
70+ -10 |
|
|
18 |
Counter force of Contacts at Full Stroke |
N |
90+ -10 |
|
|
19 |
Circuit Resistance at Min. Rated Contact Force |
μΩ |
<= 160 |
|
|
20 |
Contact Limit Erosion |
mm |
1.5 |
|
|
21 |
Mass of Moving Parts |
kg |
0.42 |
|
|
22 |
Internal Gas Pressure |
Pa |
<=1.33*10-3 |
|
|
23 |
Shelf Life |
Year |
20 |
|
Outline Dimension drawing
