Home > Products > vacuum circuit breaker > China's fastest growing factory best quality ZN28,ZN28A Series indoor High-voltage Vacuum breakers sf6 power circuit breaker
China's fastest growing factory best quality ZN28,ZN28A Series indoor High-voltage Vacuum breakers sf6 power circuit breaker
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Product Details
Place of Origin: | Zhejiang, China | Brand Name: | CHANGKAI /SINOAMIGO | Model Number: | ZN28-12 |
Type: | Vacuum | Poles Number: | 3 |
Product Description
Description of ZN85G-40.5
sf6 power circuit breaker
ZN28 series vacuum circuit breaker as specified voltage 12KV, three-phase exchange 50/60 HZ high
pressure switchgear in the one. Products accord with GB1984 standard, this product ensemble architecture and operating organization an organic whole installer switch noumenon separates from operating organization and installs two kinds of forms for switch noumenon. An organic whole type structure Namely a basic model of ZN28, Divide style structure a ZN28A type, it should be in various kinds of regular type switch cupboards to be right, such as GG-1A(Z),
XGN2A10(Z),etc.
Product this can mix and speak with CD17, model CD 10A direct current magnetism motive construct speak and move organization with CT17, model CT19 spring energy storage type.
Technical parameter
Item | Unit | Data | ||||||
20kv | 25kv | 31.5kv | 40kv | |||||
Rated voltage(KV) | Kv | 12 | ||||||
Rated current(A) | A | 630,1000,1250 | 1250,1600 | 1250,1600,2000,2500 | 1600,2500,3150 | |||
Rated short-circuit break current | Kv | 20 | 25 | 31.5 | 40 | |||
Rated short-circuit close current(peak value) | KV | 50 | 63 | 80 | 100 | |||
Rated peak value withstand current | KV | 50 | 63 | 80 | 100 | |||
4S rated little withstand current | KV | 20 | 25 | 31.5 | 40 | |||
Rated insulation level | Industrial frequency withstand voltage | KV | 45(fracture 48) | |||||
Thunder impulse withstand voltage | 75(fracture 84) | |||||||
Rated operation order |
| Off-0.3S on and off-180S-on and off | ||||||
Mechanical life-span | times | 10000 | ||||||
Rated short-circuit current break and close time | times | 30 | 20 | |||||
Speak and move organization amount equal to the voltage of the floodgate(DC) | V | 110,220 | 220 | |||||
Speak and move mechanism amount shut the electric current of floodgate(DC) | A | 71 | 128 | |||||
Speak and move organization amount assign the voltage of the floodgate(DC) | V | 110,220 | ||||||
Speak and move organization amount assign the electric current of floodgate(DC) | A | 3.0,1.5 | ||||||
Switching distance of the contact | mm | 11±1 | ||||||
Ultra journey (touches the head spring and compress length) | mm | 4±1 | ||||||
Three-phase breaking into, shut floodgate sex of the same period | ms | ≤2 | ||||||
Touch the head and shut a floodgate of time of bouncing | ms | ≤2 | ||||||
Average speed of breaking brake | m/s | 1.2±0.3 | ||||||
Average speed of closing brake | m/s | 0.6±0.2 | ||||||
Time of breaking brake | Operate it under the voltage highest | s | ≤0.06 ≤0.08 | |||||
Operate it under the voltage the mostlow | ||||||||
Time of closing brake | s | ≤0.2 | ||||||
Each the resistance of main return circuit | Ω | ≤40 | ≤20 | |||||
Allowance abrasion cumulated thickness of the moving and stationary contact | mm | 3 | ||||||
Oil buffer buffers the journey | mm | 10 |
Picture show
Our promises
Quality assurance:All the products will go through the detailed quality inspection during production.
Manufactuer's price:Factory direct sale,competitive price.
1. Your inquiry related to our products or prices will be replied within 24 hours.
2. Well-trained and experienced staffs to answer all your enquires in fluent English.
3. OEM & ODM projects are highly welcomed. We have strong R&D team here to help.
4. Good after-sale service offered, please get back if you got question.
5. Protection of your sales area, design drawing and all your private information.
FAQ
1. How to order the products?
Answer:Send the inquiry with detail item descrpition or with Model number.If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?Answer : The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
3.Can I expect a quality products?Answer : Yes. All our activities are accredited to ISO 9001:2008 ,both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Our story with customers
In 2005,we received the email from ALIBABA that a Russian customer would like to order the KYN28-12 indoor metal-clad enclosed switcgear.We confirm the product parameters and pictures carefully again and again with the client,the last communication is the most difficult in price,it is a psychological warfare,customers began to demand a 20% cut,we insist on our price,emphasis on the various advantages of our products with the high quality. After compared with other factory,Russia customer finally chose to coperation with our company.After more than 20 days,customers sent a email to tell us that they are very satisified with the goods. At the same time,he praised our good service attitude,delivery on time,good quality,until now the Russia client has been our long-term customer,also is our good friend.
LOVE IN THE WORLD
In a Poor Village, Innocent Children no Education, no Happiness and no Hope.
However, CHANGKAI/SINOAMIGO Brings new Future and Love There.
After That, Sunshine Smile and Love is Always around Children.
They See Hope for Everything and Know Love in the world.
CHANGKAI/SINOAMIGO Brings Brightness, Warmness and Hope.
Let Children Know LOVE IN THE WORLD!!!
Send your Inquiry to me, Click "Send" Now!
Contact Us
- Zhejiang Changkai Electrical Co., Ltd.
- Contact namePan Gene
- Phone86-0577-61730881
- AddressDongfang Road, Dongyan Village, Wengyang Town, Yueqing
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