Ceramic Vacuum Interrupter for Vacuum Arc-Extinguishing Chamber
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
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: Can the crockery be placed in the freezer?
- Although ceramic tableware can be used in refrigerated freezers, this can lead to shorter service life and easy cracking, preferably with stainless steel cutlery or plastic food lunch boxes.
- Q: Would a ceramic mug contain lead? I‘m not familiar with any of the ceramic process and I want to buy lead free coffee mugs.
- Hi, my husband is a ceramic engineer and worked with Corelle by Corning (now by World Kitchen) for many years. Rest assured that there is no lead in any ceramic coffee mug made in the USA. Coffee mugs made elsewhere, I can say for sure. But most countries have banned lead many, many years ago. China seems to be the only country having trouble with the concept of lead poisoning. Go and buy the next pretty mug you see.
- Q: Anyone know which curling iron, Gold or Ceramic, works the best and gets the hottest?
- no they do not pinch or hurt if they are made correctly. the one you are specifically talking about is called a snaffle bit and is one of the nicest bits to use when it comes to a horses mouth.
- Q: My family just got a stove with ceramic stove top.You know the one with no burners, it‘s just flat .What can i or can‘t I put on the stove that won‘t damage it?
- Your question is not clear. do you mean to clean it or pots and pans. to clean it, you should use a creamic stove top cleaner or soft scrub. A sharp razor blade will work to scrape off any cooked on food and then use the cleaner. as far as pots and pans go, any type will be fine. some may cause brown burnt on spots. It is a matter of trying different ones, Hope this helped
- Q: I want to get braces soon, and i know metal braces are the cheapest. I heard theres a choice of metal or ceramic brackets. I checked it out, and I know for sure that I want ceramic brackets. I just want to know if that will cost me as much as paying for ceramic braces ?
- Oh god I have ceramic Get them I Love them there invisible! Metal SUCKS and they cost me 100$ more maybe. Very good deal
- Q: Which brand of ceramic knives is of good quality?
- Global top ten brands of ceramic cutting tools:1, Zwilling - Germany was born in 1731, through foreign acquisitions and technological improvements, has become the world's highest standard of cutting tool symbol.2, Delisle - Germany was founded in 1818, is a high-tech engineering group in Germany, in the field of material technology has unique advantages.
- Q: Help. They are lab. equipment
- on an aircooled engine you'll heat it up pretty quickly and without air moving around the eninge it could lead to overheating. Pretty much the same with a liquid cooled engine. Aside from that, just the tire and engine wear.
- Q: Well I made this gorgeous plate fired it, painted it and glazed it, fired it again. It came out amazing great colors absolutely beautiful. Today my teacher wanted me to bring it in another room to see if it would fit on a plate holder. After that I bring it back into the other room and it dropped out of my hand. I feel so terrible (even right now typing this) I even cried. Well the pieces are big, medium, small. Is there a glue or a trick to fix this? A teacher told me to use a certain type of glaze to glue it then glaze it again and fire it. I am worried this won‘t work and will never be fixed and break in the kiln. Do you have any tips or any suggestions to fix this? Please give your opinions and what you know. Thanks
- Its called acceleration and de-acceleration, I have never seen an engine brake on a bike. The different tone you are hearing is either tottle open or thottle closed.
- Q: Tourmaline, Ceramic, or Titanium?
- Tourmaline Vs Ceramic Curling Iron
- Q: I've heard that ceramics are better, but the metal here is more expensive than ceramic. How does metal hurt your hair? How much damage do you have? Please answer in detail. Thank you, darling
- The ceramic material is better. The alloy is made of many kinds of metal smelting. The Ceramic Curling stick is easy to use, not easy to scald, more convenient to operate, and more insulating.Shopping skills:An electric coil rod with steam function, big diameter and plastic material is the best.
Send your message to us
Ceramic Vacuum Interrupter for Vacuum Arc-Extinguishing Chamber
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
