Quality Inspection for Stainless Steel Spray Ball - Vacuum Interruption VI 12KV WL-39418 – Simply Buy

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Quality Inspection for Stainless Steel Spray Ball - 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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We now have a highly efficient crew to deal with inquiries from clients. Our intention is "100% shopper pleasure by our merchandise quality, price tag & our staff service" and take pleasure in a very good standing amongst purchasers. With quite a few factories, we can easily provide a wide vary of Quality Inspection for Stainless Steel Spray Ball - Vacuum Interruption VI 12KV WL-39418 – Simply Buy, The product will supply to all over the world, such as: Slovakia , Swaziland , Marseille , We insist on "Quality First, Reputation First and Customer First". We are committed to providing high-quality products and good after-sales services. Up to now, our products have been exported to more than 60 countries and areas around the world, such as America, Australia and Europe. We enjoy a high reputation at home and abroad. Always persisting in the principle of "Credit, Customer and Quality", we expect cooperation with people in all walks of life for mutual benefits.

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