


The vacuum circuit breaker stands as a pivotal element in the realm of electrical switching devices, celebrated for its unmatched reliability and exceptional performance. Known for its steadfast dependability, this breaker is a key player in ensuring the seamless operation of electrical systems, making it an indispensable asset in the industry.
Admired for employing a high-vacuum environment as the arc-quenching medium, this device excels with its remarkable insulation properties. As circuit interruptions occur, the breaker skillfully tackles arcs with a rapid contact mechanism, effectively extinguishing them through the vacuum's superior dielectric recovery strength, demonstrating its advanced engineering and reliability.
Presenting a robust yet straightforward design, vacuum circuit breakers are composed of fixed and moving contacts, strengthened by an arc-control device, all encased within a protective insulating shell. These contacts are crafted from materials with exceptional conductivity and resistance to erosion, ensuring resilience against the intense heat and energy produced during arc formation, highlighting their durability and reliability.
Renowned for their extensive applications, these breakers are vital in power distribution systems, particularly in substations and industrial power grids. Their swift operation and consistent performance enable rapid interruption of fault currents, safeguarding electrical equipment from the damaging effects of short-circuits and over-currents. Prized for their longevity and minimal maintenance requirements, they provide a cost-effective solution for a wide array of electrical systems, making them an excellent choice for efficiency and reliability.
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. distinguishes itself as a trailblazer in electrical integration, powered by a devoted team with over 15 years of deep industry experience in R&D, production, and service. Our commitment to delivering excellence positions us as leaders in the field.
Our distinguished product lineup includes high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These solutions play a critical role across a multitude of sectors, including energy, chemical processing, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, transportation, and both commercial and residential environments, underscoring their vast applicability and trusted dependability.
With a steadfast commitment to technological innovation and our ethos of 'smart manufacturing,' we continually attract elite technical talent to amplify our core capabilities, delivering unparalleled value to our customers while aspiring to be a pioneering brand in the industry. Since our founding, we have achieved extraordinary growth, evolving from modest beginnings to attaining industry prominence. We are guided by the principles of innovation, quality-centric survival, reputation-driven advancement, and efficiency-based management. Our commitment to 'technological leadership, standardized management, superior quality, and customer satisfaction' strengthens our market presence, driving us to succeed in serving China's electric power and grid sectors with ambitious goals of efficiency, strength, and progression. Upholding integrity, prioritizing quality, and advocating for superb service are our core principles, with customer satisfaction as our constant mission. Our unwavering aims include pursuing excellence, nurturing ongoing innovation, and building a trustworthy brand. Your appreciation propels us forward, and we extend our heartfelt gratitude to our esteemed clients for their steadfast support, as we look forward to creating a prosperous future together with Senhang Technology.
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.