The vacuum contactor is mainly used in the power systems with AC 50Hz and rated voltage 6kV or 12kV, for making or breaking circuit and to make electromagnetic starter with suitable protective device and F-C case.
Working condition:1) Altitude above sea should not be over 1,000m2) Ambient temperature is -5~40°C3) Average temperature in 24 hour limited below 35°C4) When the highest temperature is 40°C, the relative humidity should not be higher than 50%5) Pollution degree: class 3
Main technical parameter:
|
Product model |
Rated voltage (V) |
Rated current (main circuit) (A) | |
|
Main circuit |
Control circuit | ||
|
CKG3-7.2/160 |
7200 |
220/110 |
160 |
|
CKG3-7.2/250 |
7200 |
220/110 |
250 |
|
CKG3-7.2/400 |
7200 |
220/110 |
400 |
|
CZG1-7.2/400 |
7200 |
220/110 |
400 |
|
ZN-7.2/630 |
7200 |
220 |
630 |
|
Product model |
Main contact parameter |
Power frequency voltage resistance V(effective value) |
|||||
|
Clearance between open contacts voltage |
Over travel (mm) |
Final pressure (N) |
|||||
|
Main circuit |
Auxiliary circuit |
Control circuit |
|||||
|
CKG3 -7.2/160 |
3.5±0.3 |
2±0.2 |
>85N |
32000 |
2500 |
2000 |
|
|
CKG3 -7.2/250 |
3.5±0.3 |
2±0.2 |
>85N |
32000 |
2500 |
2000 |
|
|
CKG3 -7.2/400 |
3.5±0.3 |
2±0.2 |
>85N |
32000 |
2500 |
2000 |
|
|
CZG1 -7.2/400 |
4.5±0.3 |
2±0.2 |
>85N |
32000 |
2500 |
2000 |
|
|
ZN -7.2/630 |
5±0.5 |
2±0.2 |
>85N |
32000 |
2500 |
2000 |
|
Note: We have two rated voltage type of this vacuum contactor:7200v and 12000v.