CKG3 Vacuum Contactor
CKG3 7.2KV High Voltage Vacuum Contactor
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.
1) Altitude above sea should not be over 1,000m;
2) Ambient temperature is -5~40°C;
3) Average temperature in 24 hour limited below 35°C;
4) When the highest temperature is 40°C, the relative humidity should not be higher than 50%;
5) Pollution degree: class 3
CKG3-630/7.2
C:Contactor
K:Vacuum
G:High Voltage
630:rated current
7.2:rated voltage
Model |
CKG3-7.2/160~630-4 |
|||
main circuit rated voltage (KV) |
7.2 |
|||
main circuit rated current (A) |
160 |
250 |
400 |
630 |
main circuit making ability (A/100times) |
1600 |
2500 |
4000 |
6300 |
main circuit break-make ability (A/10times) |
1280 |
2000 |
3200 |
5000 |
max. break ability (A/3times) |
3200 |
3200 |
4000 |
6300 |
mechanical life (times) |
1,000,000 |
|||
power-frequency withstand voltage for main circuit (KV) |
32 |
|||
power-frequency withstand voltage for auxiliary circuit (KV) |
2.5 |
|||
power-frequency withstand voltage for control circuit (KV) |
2 |
|||
rated operating frequency (times/h) |
300 |
|||
opening time (ms) |
≤120 |
|||
closing time (ms) |
≤150 |
|||
clearance between open contacts (mm) |
4±0.5 |
|||
over travel (mm) |
≥1.2 |
|||
1.Over 20 years of manufacturing experience with good quality & stable product performance.
2. Hossin provides full line of MV-HV electrical products, including drop-out fuse, disconnector, surge arrester, vacuum circuit breaker, fuse, load switch, insulator etc.
3. Quick feedback, Timely quotation, Fast delivery
4. Complete set of testing machine to ensure product quality.
5. Hossin can customize non-standard product as per client’s requirement.
6. Hossin sells pressing parts& pressing mould at low price.
7. Hossin offers electrical installation & commission service.

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