Short Lead Time for Contactor 48v Coil - 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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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Short Lead Time for Contactor 48v Coil - Vacuum Interruption VI 12KV WL-39418 – Simply Buy, The product will supply to all over the world, such as: Colombia , Swaziland , Mexico , As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!

We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!

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