A vacuum circuit breaker is a pivotal device in electrical switching. It's celebrated for its efficiency and reliability in handling high-voltage applications.
The term 'vacuum circuit breaker' derives from its use of a high-vacuum environment as the arc-quenching medium. This vacuum offers superior insulation properties. When the breaker operates to halt current flow, it generates an arc. In a vacuum circuit breaker, this arc is swiftly extinguished thanks to the rapid-contact mechanism and the vacuum's impressive dielectric recovery strength.
Vacuum circuit breakers boast a straightforward yet effective design. They generally include fixed and moving contacts, an arc-control mechanism, and an insulating case. The contacts are crafted from materials noted for excellent conductivity and erosion resistance, enabling them to endure the intense heat and energy produced by arcs during operation.
These breakers are indispensable in numerous applications, widely deployed in power distribution systems such as substations and industrial grids. Their rapid operation and dependable performance ensure quick interruption of fault currents, safeguarding electrical systems from short-circuits and over-currents. Additionally, their long lifespan and minimal maintenance requirements present a cost-effective solution for various 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. is a distinguished high-tech enterprise specializing in electrical integration. Boasting a highly skilled R&D, production, and service team with over 15 years of industry expertise, we stand at the forefront of innovation.
We proudly offer an extensive range of products, including high-voltage solid-state soft starters, capacitor cabinets, switchgear for both high and low voltage, gas-insulated switchgear, and substations. Our products find widespread application across diverse sectors like energy, chemical industries, metal smelting, power grids, and beyond, including institutions, healthcare, commerce, water management, infrastructure, and residential areas.
Our commitment to technological advancement and 'smart manufacturing' fuels our pursuit of excellence. By welcoming top-tier technical talent, we enhance our core competitiveness, delivering exceptional value and striving for industry leadership. Since inception, we've evolved remarkably, pioneering from scratch to excellence. With an unwavering focus on innovation, we commit to superior quality, market-driven growth, and reputation-driven development, supported by efficient management. Upholding 'technology as our guide,' standardized management, and outstanding quality, we prioritize customer satisfaction. These principles fortify our market competitiveness as we aim to advance China's power and grid sectors with unmatched speed and capability. Integrity is our foundation; quality is our priority; service is our promise; and customer satisfaction is our mission. Through relentless pursuit of excellence, continuous innovation, and brand trust, we aim to earn your recognition. We extend our gratitude to customers for their steadfast support and affection. Zhejiang ChaoTai Complete Equipment Co., Ltd. eagerly anticipates forging a brilliant 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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