Sealed Heavy Duty Circuit Breaker for 11kv and 22kv Systems

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Poles Number: 3
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CCC
• Rated Current: 1250
• Rated Voltage: 11kv 22kv 33kv
• Mechanical Life: M2
• Electric Life: E2
• Transport Package: Export Standard Wooden Case
• Specification: Customizable
• Trademark: chaotai
• Origin: Zhejiang, China
• HS Code: 8537209000
• Production Capacity: 500 Pieces/Week

Product Description

Product Description

A vacuum circuit breaker is a crucial masterpiece of electrical equipment, meticulously crafted to ensure flawless control and management of electrical currents.
Renowned for its groundbreaking design, this device employs a high-vacuum environment as its arc-quenching medium, delivering exceptional insulation capabilities. As the circuit breaker halts the current flow, it creates an arc, which is swiftly extinguished due to the rapid contact mechanism and the vacuum's superior dielectric recovery strength. This guarantees efficiency, reliability, and peak performance.
Boasting a simplistic yet resilient design, vacuum circuit breakers consist of fixed and moving contacts, an arc-control device, and an insulating enclosure. These contacts are crafted from high-quality materials known for their excellent conductivity and resistance to erosion, enabling them to withstand the intense heat and energy produced during arcing. This showcases their durability and precision engineering.

With a broad spectrum of applications, these circuit breakers are essential in power distribution systems, including substations and industrial power grids. Their rapid responsiveness and trustworthy performance are crucial in swiftly disconnecting fault currents, protecting electrical equipment from the hazards of short-circuits and over-currents. Coupled with their longevity and minimal maintenance requirements, they offer a cost-effective solution perfectly suited for diverse 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

Main product

Company Profile

Zhejiang ChaoTai Complete Equipment Co., Ltd. leads the charge in electrical integration as a premier high-tech enterprise. Armed with a seasoned R&D, production, and service team boasting over 15 years of expertise, we are trailblazers in creating and delivering top-notch electrical solutions.
Our expansive product lineup features high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These products are inherently adaptable, enjoying widespread use across sectors like energy, chemical industries, metal smelting, power grids, industrial manufacturing, academia, medical and pharmaceutical fields, municipal commerce, water resources, transport, and residential areas.
Driven by technological advancement and a 'smart manufacturing' ethos, we actively seek top-tier technical talent to enhance our core competitiveness. Our mission is to deliver unparalleled value and service to customers while establishing the preeminent brand in our industry. Our journey from inception has been one of relentless progress, transitioning from humble beginnings to industry leadership. We advocate for quality, reputation, and efficient management to thrive, committed to advancing China's electric power and grid sectors with ambitious aspirations. Upholding integrity, prioritizing quality, offering unparalleled service, and achieving customer satisfaction are our unwavering principles. Excellence and innovation are at the heart of our brand's evolution. Your trust energizes our mission, and we extend our heartfelt thanks to all customers for their steadfast support, as we collaborate to craft a brighter future.

Our Advantages

Certifications

After Sales Service

Packaging & Shipping

FAQ

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.