A vacuum circuit breaker is an essential and crucial electrical switching device, designed to ensure safety and efficiency in power systems.
Named for its use of a high-vacuum environment as the arc-quenching medium, this breaker uniquely provides exceptional insulation properties. As the circuit breaker opens to interrupt the flow of current, it generates an arc. In a vacuum circuit breaker, this arc is promptly extinguished due to the rapid response of the contact mechanism and the superior dielectric recovery strength of the vacuum, ensuring minimal disruption and maximum protection.
Boasting a relatively straightforward design, vacuum circuit breakers are composed of fixed and movable contacts, an arc-control device, and an insulating enclosure. The contacts, crafted from materials that offer excellent conductivity and resistance to erosion, are built to withstand the intense heat and energy of arcs during operation, ensuring durability and reliability.
These breakers serve a wide array of applications across diverse settings. They are most prevalent in power distribution systems such as substations and industrial power grids. Their rapid operation and dependable performance enable them to swiftly cut off fault currents, safeguarding electrical equipment from damage due to short circuits and overcurrents. With a lengthy service life and minimal maintenance demands, these breakers represent a cost-effective and prudent choice for a multitude of electrical systems.
| 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. is a pioneering high-tech enterprise, passionately dedicated to the realm of electrical integration. Boasting a distinguished R&D, production, and service team with over 15 years of industry excellence, we are at the forefront of innovation and expertise.
Our premier products encompass high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. Our solutions have been embraced across a broad spectrum of industries, including energy and chemical sectors, metal processing, power grids, industrial manufacturing, educational and research institutions, medical and pharmaceutical fields, municipal commerce, water conservation and hydropower, road traffic, and commercial as well as residential developments.
Guided by the principle of technological innovation and the visionary philosophy of 'smart manufacturing', we actively recruit top-tier technical talents to robustly fortify our core competencies. Our commitment is to deliver unparalleled value and service to our esteemed customers while ambitiously positioning ourselves as the industry's leading brand. Since our inception, our journey has been marked by steadfast progress, evolving from inception to excellence. Our dedication to innovation and modern business strategies is unwavering: succeeding through quality, market-driven growth, reputation-driven development, and management-driven efficiency. We uphold 'technology-led guidance, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management strategy, enhancing our competitiveness in the market. Our goal is to serve China's electric power and grid sectors with ever-increasing speed, strength, and ambition. Integrity, quality, service, and customer satisfaction are our enduring tenets. We relentlessly pursue excellence, continuous innovation, and the establishment of a brand synonymous with trust. Your recognition is our motivation. We extend our heartfelt gratitude to our valued customers for their unwavering support, and Zhejiang Chaotai looks forward to collaborating with you to forge a prosperous 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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