Product Description
The switchgear is an essential component within electrical systems, expertly engineered to manage the complex dynamics of opening, closing, controlling, and safeguarding electrical apparatus. This critical infrastructure supports power generation, transmission, distribution, and conversion processes, serving a pivotal role in ensuring seamless operation and robust protection across diverse power systems.
Structure
High voltage switchgear is meticulously engineered with distinct compartments, each serving a specific function in the overall system architecture. These include the busbar room, circuit breaker room, secondary control room (instrument room), and feeder room. Each compartment is securely isolated using durable steel partitions. In the KYN28A-12 model, for example, the instrument room is strategically positioned at the upper section, with the circuit breaker room centrally arranged, while the cable room thoughtfully occupies the bottom section.
Low voltage switchgear is expertly categorized based on the component installation method, distinguishing between fixed and drawer types. The drawer type switchgear features a robust, immovable cabinet body, elegantly complemented by a versatile, movable device section, delivering unparalleled flexibility and customization.
Internal Components
The internal components are the lifeblood of the switchgear, including critical elements such as circuit breakers, isolating switches, load switches, operating mechanisms, transformers, and a suite of advanced protective devices. Each component is harmoniously integrated to ensure maximum operational efficacy, safety, and reliability.
Classification
Switchgear is classified by the installation method of circuit breakers into movable and fixed types. The cabinet structures are divided into open, metal enclosed, or metal enclosed armored configurations. The voltage levels categorize them into high-voltage (above AC1000V) and low-voltage (below AC1000V), while the voltage waveform further specifies them as AC or DC. Additionally, these units are tailored to perform specific functions including incoming cabinets, outgoing cabinets, metering cabinets, and compensation cabinets, among others.
Effect
Control Function: This feature expertly manages circuit connectivity, facilitating the seamless start and stop operations of power equipment. It ensures precision control, enabling optimal performance and efficiency.
Protection Function: The switchgear provides unwavering protection, automatically disconnecting circuits during overloads, short circuits, or leakage scenarios. This robust feature safeguards equipment and personnel, effectively mitigating potential hazards.
Application Location
This switchgear is ideally suited for a multitude of environments, including power plants, substations, petrochemical facilities, metallurgical and steel rolling operations, light industry textiles, manufacturing sectors, mining enterprises, residential complexes, and high-rise buildings. It guarantees reliable performance across these diverse locations, ensuring safety and efficiency.
Product Parameters
Installeo power |
100-2000KW |
The number of inverter input channels |
1 way-5way(The above suggested matching AC combiner box) |
Grid-connected output channels |
1way |
Grid connection requirements |
Three-phase grid-connected cabinet |
Grid-connected voltage |
AC:380V-AC:500V |
Protective function: |
|
Short circuit protection |
Have |
Overload protection |
Have |
Lightning protection |
Have (nominal current: In:20KA,lmax: 40KA, Up≤4KV) |
Isolation Protection (Visual Breakpoints) |
Have(knife switch/disconnector) |
Optional function |
1. Online power quality monitor |
2. Anti-islanding protection device |
3.Accident Degradation Column Device |
Panel manual openingand closing |
have |
Overvoltage and undervoltage protection |
have |
Automatic reclosing |
have |
Grid-connected switch |
|
Plastic case reclosing100-800A (optional) |
1. When the power grid is powered off or the bias voltage is greater than 20%. it wilautomatically trip (0~10s delayed tripping time is adjustable)
2. When the power grid returns to normal, it will automatically close
3. Manual operation and automatic operation can be switched
4.Phase loss protection, zero break protection
5. Check for pressure closing |
|
|
Universal frame circuitbreaker 200~4000A(optional) |
|
Applicable environment. |
|
Temperature, humidity |
Working temperature: -25 to +60 'c Storage temperature. -40 to +70 'C, humidity. 0-90% nocondensation, no corrosive gas place (if any, please specify) |
Use altitude |
|
Salt spray resistant |
Standard salt spray test 336 hours |
General parameters. |
|
Box material |
Cold-rolled plate spraying, stainless steel |
Use place |
Indoor type (can be customized outdoor type) |
Type of cabinet |
Power distribution cabinet, metering cabinet, transformer cabinet, isolation switch cabinet |
Main product

Company Profile

Zhejiang Chaotai Complete Equipment Co., Ltd. stands at the forefront of high-tech innovation as a leading pioneer in electrical integration. Our dynamic and visionary R&D, production, and service teams bring over 15 years of exceptional expertise, crafting transformative solutions that redefine industry standards.
Explore our extensive array of state-of-the-art products, designed to empower a multitude of industries. We specialize in high-voltage solid-state soft starters, meticulously engineered capacitor cabinets, cutting-edge high and low voltage switchgear, versatile gas-insulated switchgear, and robust substations. Our sophisticated offerings cater to a diverse range of applications, seamlessly integrating into sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, educational institutions, medical and pharmaceutical fields, municipal commerce, water conservancy, hydropower, road traffic, and both commercial and residential developments, ensuring optimal performance and reliability.
At Zhejiang Chaotai, our unwavering commitment to 'smart manufacturing' fuels our relentless pursuit of technological breakthroughs. We strategically recruit elite technical talent to fortify our core competencies, delivering unparalleled value that elevates customer experiences while aspiring to establish our brand as the pinnacle of the industry. Our remarkable journey from humble beginnings to industry excellence is a testament to our dedication to innovation. Our modern business ethos is anchored on enduring quality, seamless market adaptation, growth driven by a sterling reputation, and efficiency through robust management. We are resolute in our dedication to 'technology leadership, standardized management, superior quality, and customer satisfaction', strengthening our competitive edge in China's power transmission and distribution sectors. Integrity forms our bedrock; we prioritize quality, offer supreme service, and remain unwaveringly committed to customer satisfaction. Our relentless pursuit of excellence, innovation, and brand trustworthiness guide us forward. Your trust is the catalyst for our progress. We extend our deepest gratitude to our loyal customers for their steadfast support. At Zhejiang Chaotai, we eagerly anticipate forging a brighter future together, hand in hand with you.
Our Advantages
Certifications
After Sales Service

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.