OEM/ODM Factory High Voltage Dc Contactor - Vacuum Interruption VI 12KV WL-39418 – Simply Buy Detail:
A perfect fit for many applications
Load break switches
• Motor contactors
• Circuit breakers
• Reclosers
• Transportation breakers
• Ring main / pad mount units
• Specialized DC applications
• Generator breakers
• Distribution circuit breakers
• Medium voltage switchgear
ELECTRICAL DATA
|
ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS |
|
|
1.Rated Voltage |
12KV |
|
2.Rated Current |
630/1250A |
|
3.Rated Frequency |
50Hz |
|
4.Rated Short-time Power Frequency Withstand Voltage(1min) |
42KV |
|
5.Rated lightring Impulse Withstand Voltage |
75KV |
|
6. Rated short-circuit breaking current |
25KA |
|
7. Rated short-circuit making current(peak) |
63KA |
|
8.Rated operations of short-circuit breaking current interruption |
30times |
|
9.Rated single capacitor bank breaking current interruption |
630A |
|
10.Rated Short-time Withstand current |
25KA |
|
11.Rated peak withstand current |
63KA |
|
12. Rated Duration of Short-circuit |
4s |
|
13. Mechanical Life |
20000times |
|
14.Contact closing force due to bellows and atmosphere |
120±50N |
|
15.Counterforce at rated contact stroke |
190±60N |
|
16. Circuit Resistance at Rated Contact Froce Atmosphere Force |
≤20Micro ohms |
|
17. Shelf Life |
20Years |
|
18. Contact Erosion Limit |
3mm |
|
19.Weight of moving parts |
≤1.5kg |
|
MECHANICAL REQUIREMENTS(REF. VCB) |
|
|
1. Rated Contact Stroke |
10±1mm |
|
2.Opening Speed(average) |
1.0±0.25m/Sec |
|
3.Closing Speed(average) |
0.65±0.15m/Sec |
|
4.Added contact force |
2000±100N |
|
5. Maximum Contact Bounse Duration at closing operation |
≤2ms |
|
6. Contact Bouncing Bank Amplitude of Opeing Operation |
≤2mm |
|
7.Three-pole simultaneity |
≤1ms |
Mechanical Data Required For Matched Vacuum Switchgear
|
Main Technical Specification |
Unit |
Specification |
|
Rated contact stroke |
mm |
9±1 |
|
Average opening speed |
m/s |
1.0±0.25 |
|
Average closing speed |
m/s |
0.65±0.15 |
|
Added contact force |
N |
900/1300/1600±100 |
|
Contact bouncing duration at closing operation |
ms |
≤2 |
|
Contact bouncing bank amplitude of opening operation |
mm |
≤2 |
|
Three-pole simultaneity |
ms |
≤1 |
Product detail pictures:



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Often customer-oriented, and it's our ultimate target to become not only probably the most reputable, trustable and honest provider, but also the partner for our customers for OEM/ODM Factory High Voltage Dc Contactor - Vacuum Interruption VI 12KV WL-39418 – Simply Buy, The product will supply to all over the world, such as: Pakistan , Norway , Romania , Since always, we adhering to the "open and fair, share to get, the pursuit of excellence, and creation of value"values, adhere to the"integrity and efficient, trade-oriented, best way , best valve" business philosophy. Together with our all over the world have branches and partners to develop new business areas, maximum common values. We sincerely welcome and together we share in global resources, opening up new career together with the chapter.
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