A vacuum circuit breaker is a pivotal electrical switching device celebrated for its outstanding reliability and performance in safeguarding electrical systems. Its excellence lies in its ability to protect these systems with unparalleled efficiency, offering a remarkable solution in the world of electrical safety.
It earns its name from the high-vacuum environment utilized as the arc-quenching medium, boasting exceptional insulation properties. Upon activation, the circuit breaker extinguishes the arc generated by interrupting the current with lightning-fast speed. This rapid action is made possible by its fast-acting contact mechanism and the vacuum's superior dielectric recovery strength, ensuring swift and effective arc extinction.
The vacuum circuit breakers are characterized by a relatively simple structure, incorporating fixed and moving contacts, an arc-control device, and an insulating enclosure. The contacts, crafted from materials with superb conductivity and erosion resistance, endure high-temperature and high-energy arcs during operation, ensuring long-lasting durability and stable performance.
These adaptable breakers are extensively utilized across a wide array of power distribution systems, from substations to industrial power grids. Their rapid operation and reliable performance are crucial in promptly interrupting fault currents, thus safeguarding electrical equipment from potential damage caused by short-circuits and over-currents. Notably, their extended service life and minimal maintenance requirements make them an economical choice for many electrical infrastructures.
| Rated Capacity |
Voltage Combination |
Connection Symbol |
Off-load Loss(KW |
On-load Loss(KW) |
Short Circuit Impendance(%) |
Impendance |
Weight(KG) |
Dimensions(mm) |
| KVA |
High Voltage |
Tapping Range |
Low |
(75ºC) |
(%) |
Oil |
Total |
Length |
Width |
Height |
| |
(KV) |
(%) |
Voltage |
|
|
|
|
|
|
|
| |
|
|
(KV) |
|
|
|
|
|
|
|
| 30 |
20 |
±5 |
0.23 |
Dyn11 |
0.1 |
0.66 |
2.1 |
5.5 |
90 |
345 |
860 |
565 |
1000 |
| 50 |
|
|
0.38 |
Yyn0 |
0.13 |
0.96 |
2 |
105 |
415 |
895 |
590 |
1040 |
| 63 |
22 |
±2×2.5 |
0.4 |
|
0.15 |
1.145 |
1.9 |
110 |
520 |
889 |
630 |
1055 |
| 80 |
|
|
0.44 |
|
0.18 |
1.37 |
1.8 |
120 |
530 |
890 |
690 |
1070 |
| 100 |
24 |
|
0.48 |
|
0.2 |
1.65 |
1.6 |
135 |
565 |
925 |
670 |
1090 |
| 125 |
|
|
0.6 |
|
0.24 |
1.98 |
1.5 |
130 |
670 |
1045 |
680 |
1110 |
| 160 |
|
|
|
|
0.29 |
2.42 |
1.4 |
145 |
680 |
1135 |
715 |
1140 |
| 200 |
|
|
|
|
0.33 |
2.86 |
1.3 |
160 |
790 |
1220 |
790 |
1170 |
| 250 |
|
|
|
|
0.4 |
3.35 |
1.2 |
175 |
895 |
1290 |
855 |
1200 |
| 315 |
|
|
|
|
0.48 |
4.01 |
1.1 |
220 |
1150 |
1375 |
910 |
1250 |
| 400 |
|
|
|
|
0.57 |
4.73 |
1 |
220 |
1225 |
1420 |
950 |
1260 |
| 500 |
|
|
|
|
0.68 |
5.66 |
1 |
290 |
1525 |
1540 |
1035 |
1260 |
| 630 |
|
|
|
|
0.81 |
6.82 |
0.9 |
6 |
335 |
1885 |
1625 |
1110 |
1340 |
| 800 |
|
|
|
|
0.98 |
8.25 |
0.8 |
430 |
2335 |
1880 |
1050 |
1360 |
| 1000 |
|
|
|
|
1.15 |
11.33 |
0.7 |
575 |
2610 |
1800 |
1050 |
1550 |
| 1250 |
|
|
|
|
1.35 |
13.2 |
0.6 |
490 |
2770 |
1825 |
1285 |
1540 |
| 1600 |
|
|
|
|
1.63 |
15.95 |
0.6 |
755 |
3705 |
1905 |
1340 |
1540 |
| 2000 |
|
|
|
|
1.95 |
19.14 |
0.6 |
910 |
4355 |
1970 |
1395 |
1640 |
| 2500 |
|
|
|
|
2.34 |
22.22 |
0.5 |
990 |
4865 |
2095 |
1445 |
1840 |
Company Profile
Zhejiang Chaotai Complete Equipment Co., Ltd. stands as a premier high-tech enterprise, specializing in electrical integration. With a rich heritage of over 15 years in the industry, we proudly offer a dedicated R&D, production, and service team, wholly committed to excellence.
Our expansive product portfolio showcases a host of cutting-edge solutions, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, and gas-insulated switchgear, alongside substations. Our pioneering innovations serve diverse sectors, from energy and chemical industries to metal smelting, power grids, and industrial manufacturing. We cater to academic institutions, medical and pharmaceutical fields, municipal commerce, water conservancy and hydropower, road traffic systems, as well as both commercial and residential areas.
Rooted in technological advancement and smart manufacturing, we continually integrate top-tier technical expertise to significantly enhance our core competitiveness. Our steadfast commitment to delivering unmatched value to our clients positions us at the forefront of the industry. Since our inception, Zhejiang Chaotai has progressed from humble beginnings to achieving industry excellence through relentless innovation. We uphold a business philosophy centered on quality-driven survival, market agility, reputation-driven development, and management efficiency. Adhering to the principles of "technology leadership, standardized management, superior quality, and ultimate customer satisfaction," we strengthen market competitiveness and contribute steadfastly to China's electric power and grid transmission and distribution sectors. Integrity is our foundation, quality is our hallmark, service is our ethos, and customer satisfaction remains our enduring pursuit. We are driven by excellence, continuous innovation, and the creation of a brand synonymous with trust and reliability. Your support fuels our progress. We express our heartfelt gratitude to both our new and loyal patrons who inspire us at Zhejiang Chaotai as we eagerly anticipate forging a brighter future together.
Our Advantages
Certifications
After Sales Service
Packaging & Shipping
Q1. Are you a factory or trading company?
A.We are a factory.
Q2. Where is your factory located? How can I visit there?
A. Our factory is located in Wenzhou City, Zhejiang Province, China. You can fly to Longwan airport directly. All our clients,from home or abroad, are warmly welcome to visit us!
Q3. What's the payment term?
A. We accept TT. 30% deposit and 70% before shipment, Western Union, L/C At Sight is ok! We'll l show you the photos of the products and packages before you pay the balance.
Q4. Tell me the standard of package? What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons, If vou have leaallyl registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q5. Would you accept to use our logo?
A. If you have good quantity,it absolute no problem to do OEM.
Q6. How about the transport?
A. If the number of aoods is small we usually use TNT.DHL.FEDEX.EMS and some express voull offered. If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.
Q7. What is your Production lead time /delivery time?
A: Generally, it will take 25 to 30 days after receivina vour advance payment.
The specificl delivery time depends on the items and the quantity of your order. Silicone rubber's reqular product is 1,000/ week, Porcelain's need 2-3 weeks about 1000 pcs.
Q8. How do you make our business long-term and good relationship?
A:l. We keep aood auality and competitive price to ensure our customers benefit:
A: 2. We respect every customer as our friend and we sincerely do business and make friendsl with them, no matter where they come from.
A: 3.Most goods we have the type report according the IEC STANDARD
Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.
Q10. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q11. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q12.What certificates do you have?
A:ISO9001,OHSAS18001,ISO14001 certificate and Type test report of product.
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