Ceramic Vacuum Interrupter for Vacuum Arc-Extinguishing Chamber

Ceramic Vacuum Interrupter for Vacuum Arc-Extinguishing Chamber

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 100 pc

Supply Capability:: 10000 pc/month

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Product Description

Material: Alumina Ceramic, Al2O3, Aluminium Oxide
Today about 80 percent of power network operators decide in favour of vacuum switching technology. The core component of this switching principle is the vacuum interrupter. Vacuum Interrupters are used for repetitive switching, motor in rush current interruption, fault protection, over current and short circuit protection. They can reliably switch high stress currents robustly without the need for unreliable cooling or ventilation systems.

Product Feture

Long Life & High Reliability
Fast Interrupting Speed
Rapid Dielectric Recovery

Applications

1. Circuit breakers
Vacuum interrupters are used in circuit breakers in the most demanding electrical circuit protection applications to minimize damage caused by electrical overloads or short circuits.

2. Load break switches
Vacuum interrupters are used in load break switches to connect and disconnect electrical load currents providing limited load switch capacity.

3. Reclosers
Vacuum interrupters are used in reclosers to automatically open and close distribution circuits in response to transient overload and fault conditions.

4. Contactors
Vacuum interrupters are used in contactors in demanding applications that require a high number of operations switching a power circuit in electric motors, lighting and heating devices, capacitor banks, and the like.

5. Tap changers
Vacuum interrupters are used in tap changers inside transformers to change the winding connections to deliver the required voltage.

6. Railway circuit breakers
Vacuum interrupters are installed in the circuit breakers on top of this special locomotive to supply electrical energy to railway locomotives' electric drive motors.

Data Sheet

Characteristics	Unit	95 Al2O3	99 Al2O3	ZrO2	GPSi3N4	BN	Glass Ceramic
Crystal Structure	-	hexagonal	hexagonal	tetragonal	hexagonal	hexagonal	-
Color	-	white	ivory	white	gray	white	white
Density	g/cm³	3.65	3.88	5.95	3.22	2.26	2.55
Water Absorption	%	0	0	0	0	0.0-1.0	0
Young's Modulus	Gpa	280	350	205	295	670	65
Vickers Hardness	Gpa	14	20	12	18-20	-	-
Flexural Strength	Mpa	280	300	900	650	51	100
Compressive Strength	Mpa	2000	2500	2200	2200	230	500
Thermal Conductivity	W/(m•K)	18-25	30	2.2	25	20	1.70
Thermal shock resistance	ΔT(C°)	220	180-200	280-350	450-650	>1500	25-100
Max. Working Temperature	C°	1500	1700	850	1200	960	800
Volume Resistivity	Ω . cm	>10^15	>10^14	>10^12	>10^14	10^13	10^16
Dielectric Constant	-	9.50	9.80	26	8.20	4.08	6.02
Dielectric Strength	kV/mm	16	22	-	16	375	40

FAQ

We have organized several common questions for our clients, may help you sincerely：

--------What is the application of Ceramic Vacuum Interrupter?

1. Circuit breakers
2. Load break switches
3. Reclosers
4. Contactors
5. Tap changers

6. Railway circuit breakers

---------What advantages of Ceramic Vacuum Interrupter?

Long Life & High Reliability
Fast Interrupting Speed
Rapid Dielectric Recovery

Q: I‘m 15 and am going to be getting braces for the second time next month. I‘m getting ceramic braces and I want them to be the least noticable that they can be. Has anyone had ceramic braces with clear or white bands? Would you recommend clear or white?I thought white ones might make my teeth look whiter from a distance, but may look bad up close because my teeth aren‘t as bright as they are.Thank you very much in advanced!: I have ceramic braces now, and i used to work at the orthodontist and i could change mine whenever i wanted when they stained.now that im away at college i cant. Get the clear ones, but if your orthodontist has glow in the dark get those because they stain less. also you can use listerine whitening to help reduce the staining. Also watch what you eat. if you eat something with mustard you need to counteract the yellow with something with a red tint to cause less staining. i started ordering food without mustard and i try to eat pizza and spaghetti less since the red stains. hope this helps

Q: In other words, the clear braces.my brother says only adults can. But I have to get them and if I cannot get the clear kind I am going to smash a window because I have to look good!! Someone, help?: First of all, the answer to your question is yes, teens can get them. Clear braces are called Invisalign. Whether you can get them or not, all depends on how severe your case is. Invisalign is not for severe cases.

Q: As long as the ceramic containers can be put into the microwave oven?: Yes, as long as they are ceramic containers, they can be heated in a microwave oven.

Q: We are leaning towards Ceramic wood looking tiles as an option. On the other hand I know for a fact hardwood flooring has a greater resale value for a property. Having said that we have a dog and I know all the maintenance and cost on wood floors. We visited model houses with ceramic wood floors and it looked liked real hardwood only cold to the touch. So ceramic is more of an option for us but I just don‘t know what today‘s resale value for ceramic wood flooring. Either wood or ceramic both would be handscraped surface. Thanks: thank you! very informative and it gives me better knowledge on the topic

Q: just wanted to know.: Ceramic flat irons are powerful tools for making hair perfectly straight and smooth. Ceramic tends to be much better than other flat iron surfaces, such as gold-plated metal or chrome. Ceramic is the preferred material for flat irons because its surface does not tug, catch, or pull on hair. Therefore, there is less breakage and hair damage than with other types of flat iron surfaces. Ceramic flat irons are also desirable because their surface area can become uniformly hot. Other metal flat irons may have some surfaces that heat up faster than others. The even, high heat that is provided by ceramic flat irons allows for hair that is sleek and stick-straight in appearance. Even permed or naturally curly hair can be made completely straight with the right ceramic flat iron.

Q: What certificate does ceramic export Korea need to do?: 1. delivery and inspectionInspection by China import and export inspection agency inspection certificate.2., the implementation of the letter of credit, or to ensure that the other party can pay

Q: And is it true that ceramic/clear braces work slower than metal braces? xx: I dont know if ceramic is the same way. But if you can i would not get metal. Im sure theres pros and cons of each. But I personally had metal ones and they would cut the inside of my cheek up with the wire and also they didnt trim the wire enough when i went in and later that day the wire of the braces got lodged in my gum and my dad had to use pliers to get it out. That was probably the worst pain i have ever felt. And i would not recommend metal braces at all just from how terrible the metal and everything was.

Q: i opted for ceramic ones as it is less noticeable . but now after surfing on da net n after reading da FAQ‘s m tensed whether it will properly serve the purpose or not . i cnt afford to have a very long duration for my treatment as m already 19 . m rally worried . nthng can be done now . suggest me smthng plz.: Ceramic braces work just as well as metal ones, the differences are they're made of ceramic, and more expensive. If you are short of money, then perhaps you should have gone with metal, less expensive ones, and be more able to afford the treatment. best talk to your orthodontist about this

Q: which are healthier for your hair and why?: In my opinion, ceramics are better. The ceramic plates should generate infra red heat and negative ions, which prevents your hair from some heat damage. We all know heat is one of the main concerns about using straighteners or any heat produced products. Use the link I provided to further help you choose! Hope I helped -Lindyy.

Q: is it better to buy a ceramic curling iron or a gold curling iron? *yes i mean fake gold*which one damages your hair less?which one leaves your hair better?and i heard that with the ceramic u have to put hairspray on first then curl then put it on again is it true?thanks!!!!: Ceramic,because it doesn't damage your hair. You don't have to put on hairspray first either.

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