One of Hottest for Main Contacts 3ty7490-0a - Vacuum Interruption VI 12KV WL-39418 – Simply Buy

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Our business promises all users of the first-class items and the most satisfying post-sale company. We warmly welcome our regular and new prospects to join us for Ac Contactor Replacement , Main Breaker , 3tf Seires Contactor 3tf51 , Welcome to contact us if you are interested in our product, we will give you a surprice for Qulity and Price.

One of Hottest for Main Contacts 3ty7490-0a - 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

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Our pursuit and enterprise goal is to "Always satisfy our customer requirements". We keep on to establish and style and design outstanding top quality goods for both our outdated and new prospects and realize a win-win prospect for our clientele likewise as us for One of Hottest for Main Contacts 3ty7490-0a - Vacuum Interruption VI 12KV WL-39418 – Simply Buy, The product will supply to all over the world, such as: Denmark , Malaysia , Borussia Dortmund , Our factory insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.

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