


Discover the pinnacle of electrical excellence with our vacuum circuit breaker, a quintessential switching device meticulously engineered to deliver unmatched electrical management and control. This product stands as a testament to our commitment to innovation and quality.
Renowned for its revolutionary design, this circuit breaker utilizes a high-vacuum environment as its arc-quenching medium, offering unparalleled insulation capabilities. When the current flow is interrupted, an arc is formed and quickly extinguished thanks to the rapid action of the contact mechanism and the vacuum's remarkable dielectric recovery strength, ensuring both efficiency and reliability in every operation.
Designed with a straightforward yet incredibly sturdy structure, our vacuum circuit breakers consist of fixed and moving contacts, an arc-control device, and a robust insulating enclosure. These components are crafted from premium materials known for their outstanding conductivity and exceptional resistance to erosion. They endure the intense heat and energy produced during arc operations, ensuring unparalleled durability and precision at every instance.
Versatile and indispensable, these circuit breakers are vital in power distribution systems such as substations and industrial power grids. Their rapid response and consistent performance are crucial in quickly disconnecting fault currents, thereby safeguarding electrical equipment from the dangers of short-circuits and over-currents. With their extended lifespan and minimal maintenance requirements, they present a cost-effective solution tailored to a diverse range 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

As a leader in electrical integration, Zhejiang ChaoTai Complete Equipment Co., Ltd. is recognized as a high-tech enterprise. Our expert R&D, production, and service team, with over 15 years of experience, excels in pioneering and delivering the finest electrical solutions in the industry, setting new standards of quality and innovation.
Our extensive and diverse product portfolio includes high-voltage solid-state soft starters, capacitor cabinets, both high and low voltage switchgear, gas-insulated switchgear, and substations. These state-of-the-art products find widespread application across numerous sectors, including energy, chemical industries, metal smelting, power grids, industrial manufacturing, academic institutions, medical and pharmaceutical fields, municipal commerce, water resources, transport, and residential domains.
Fueled by technological innovation and a 'smart manufacturing' philosophy, we actively pursue top-tier technical talent to enhance our core competitiveness. Our mission is to provide unparalleled value and service to customers while establishing the most prestigious brand in our industry. From humble beginnings, we have risen to achieve industry excellence, prioritizing quality, maintaining a strong reputation, and implementing effective management practices essential to our sustainability and growth. Our ambition propels us to advance China's electric power and grid sectors with visionary goals. We adhere to principles of integrity, prioritize quality, deliver outstanding service, and strive for complete customer satisfaction. With excellence and innovation at the forefront of our progress, we express our deepest gratitude to all customers for their unwavering support. Together, we are dedicated to crafting a brighter and more sustainable future.
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.