A vacuum circuit breaker is a paramount electrical switching device that stands as a critical pillar in power systems, offering indispensable functionality and unwavering reliability. It is essential for modern electrical networks.
The vacuum circuit breaker derives its name from its advanced high-vacuum environment, skillfully employed as its arc-quenching medium. This ensures exceptional insulation properties. During operation, when it opens, the current ceases, prompting arc formation. Remarkably, this arc is extinguished with unprecedented speed, thanks to a high-speed contact mechanism and the vacuum's superior dielectric recovery capabilities. This guarantees seamless interruption and exceptional performance.
With an elegantly simple design, vacuum circuit breakers are composed of fixed and moving contacts, an arc-control device, and an insulating enclosure. These contacts are expertly crafted from materials with excellent conductivity and erosion resistance, enabling them to endure extreme temperatures and high-energy arcs during operation, ensuring durability and steadfast reliability.
These breakers, unparalleled in versatility and efficiency, are extensively utilized across power distribution systems such as substations and industrial grids. Their rapid action and unwavering performance ensure quick fault current interruption, shielding electrical equipment from damage due to short circuits and over-currents. Moreover, with their long operational life and minimal maintenance needs, they offer a highly cost-effective solution for a broad 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
Zhejiang ChaoTai Complete Equipment Co., Ltd. is a trailblazing high-tech enterprise specializing in electrical integration. With over 15 years of profound industry experience, our dedicated R&D, production, and service teams are steadfast in their pursuit of excellence and innovation.
Our extensive product portfolio encompasses high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These products find widespread application across diverse sectors, including energy, chemical industries, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water conservancy, hydropower, transportation, as well as residential and commercial domains.
Driven by the ethos of technological innovation and 'smart manufacturing,' we are relentless in fortifying our core competitiveness through the integration of top-tier technical expertise. Our mission is to deliver unmatched services to our clients, aspiring to establish the industry's preeminent brand. Since our inception, we have made significant strides, adhering to a quality-centric survival philosophy and reputation-driven development, striving for efficiency through excellence in management. Our commitment to 'technology leadership, standardized management, superior quality, and customer satisfaction' underpins our quality and talent management strategy, reinforcing our market leadership as we ambitiously aim to serve China's power transmission and distribution sector. Integrity, quality, service, and customer satisfaction are our unwavering principles, and we tirelessly pursue excellence and innovation to build a reputable brand. We express our gratitude to our customers for their unwavering support and trust. Senhang Technology eagerly anticipates forging a brighter future together with you.
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.
Audited Supplier 
){kind=link}