CKJ3 7.2kV 160A, 250A, 400A, 630A vacuum contactor
| rated voltage | 7.2kV |
|---|---|
| rated current | 160A, 20A, 400A, 630A |
CKG3vacuum contactor is mainly used in the power system with AC 50Hz and rated voltage 7.2kV, for making or breaking circuit and to make electromagnetic starter with suitable protective device and F-C switchgear.
Altitude above sea should not be over 1,000m;
Ambient temperature is -5~40°C;
Average temperature in 24 hour limited below 35°C;
When the highest temperature is 40°C, the relative humidity should not be higher than 50%;
Pollution degree: class 3
CKJ3-630/7.2
C:Contactor
K:Vacuum
J:High Voltage
630:rated current
7.2:rated voltage
| Model | Rated voltage(v) | Rated current(Main circuit)(A) | Parameter of main contacts | Power frequencyWithstand voltage
V(effective value) |
|||||
| Maincircuit | Controlcircuit | Clearance(mm) | Overtravel (mm) | pressure (N) | |||||
| Maincircuit | Auxiliarycircuit | Controlcircuit | |||||||
| CKJ3-7.2/160 | 7200 | 220/110 | 160 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| CKJ3-7.2/250 | 7200 | 220/110 | 250 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| CKJ3-7.2/400 | 7200 | 220/110 | 400 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| CKJ3-7.2/630 | 7200 | 220/110 | 630 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| Model | Making capacity | Breaking capacity | Limit opening current(A) | Overload | Mechanism life | Weight(kg) |
| CKJ3-7.2/160 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| CKJ3-7.2/250 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| CKJ3-7.2/400 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| CKJ3-7.2/630 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
Note: “Ie” represents the rated current of main circuit
Manufacturer of power transmission and distribution equipments.
We will contact you within 1 working day, please pay attention to the email with the suffix “@wolunele.com”.
Thai 
English 
Russian 
Spanish 
Portuguese 
Vietnamese 
Arabic 
Indonesian