


Unveil the pinnacle of electrical innovation with our vacuum circuit breaker, a quintessential switching device meticulously crafted to deliver unparalleled electrical management and control.
Celebrated for its groundbreaking design, this circuit breaker utilizes a high-vacuum environment as its arc-quenching medium, offering unmatched insulation capabilities. During the interruption of current flow, an arc forms, which is rapidly quenched due to the swift action of the contact mechanism and the vacuum's exceptional dielectric recovery strength. This guarantees both efficiency and reliability in every operation, ensuring flawless performance in demanding electrical settings.
Engineered with a simple yet highly robust structure, our vacuum circuit breakers consist of fixed and moving contacts, an arc-control device, and a durable insulating enclosure. Constructed from premium materials known for their excellent conductivity and superior resistance to erosion, these components withstand the extreme heat and energy generated during arc operations, securing unmatched durability and precision at every turn. Experience the remarkable longevity and consistent performance of our cutting-edge circuit breakers.
Versatile and indispensable, these circuit breakers play an essential role in power distribution systems, including substations and industrial power grids. Their rapid response and consistent performance are vital in swiftly disconnecting fault currents, thereby protecting electrical equipment from the dangers of short-circuits and over-currents. With their extended lifespan and minimal maintenance demands, they provide a highly cost-effective solution tailored for a diverse array of electrical systems. Enjoy peace of mind with our reliable and resilient circuit breakers.
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 trailblazer in electrical integration, proudly standing as a high-tech enterprise. Our expert R&D, production, and service team boasts over 15 years of experience, excelling in pioneering and delivering the highest quality electrical solutions in the industry. Our commitment to excellence and innovation positions us at the forefront of the market, leading the charge in setting new standards of quality and efficiency.
Our extensive and versatile product portfolio includes high-voltage solid-state soft starters, capacitor cabinets, both high and low voltage switchgear, gas-insulated switchgear, and substations. These cutting-edge products are widely adopted across various 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. Witness the transformative impact of our products, engineered for excellence and adaptability.
Driven by technological innovation and a 'smart manufacturing' philosophy, Zhejiang ChaoTai actively seeks top-tier technical talent to enhance our core competitiveness. Our mission is to deliver unmatched value and service to customers while building the most prestigious brand in our industry. From our inception, we have journeyed from modest beginnings to achieving industry excellence. We prioritize quality, uphold a strong reputation, and implement effective management practices that are integral to our sustainability and growth. Our ambition drives us to advance China's electric power and grid sectors with visionary goals. We adhere to principles of integrity, prioritize quality, deliver exemplary service, and strive for complete customer satisfaction. With excellence and innovation at the heart of our evolution, we express our deepest gratitude to all customers for their unwavering support. Together, we are committed to crafting a brighter 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.