Product Description
Switchgear serves as an indispensable cornerstone in the realm of electrical systems. This sophisticated equipment is engineered to adeptly orchestrate the opening, closing, control, and protection of electrical apparatus during the crucial processes of power generation, transmission, distribution, and conversion. Its fundamental purpose is to ensure flawless operation and unwavering protection across a spectrum of power systems, making it an essential component for any reliable electrical infrastructure.
Structure
High voltage switchgear boasts a meticulously engineered structure, featuring distinct compartments such as the busbar room, circuit breaker room, secondary control room (or instrument room), and feeder room. Each compartment is securely isolated with sturdy steel partitions. Take, for example, the KYN28A-12 model: the instrument room occupies the upper echelon, the circuit breaker room is strategically positioned in the center, while the cable room resides at the base, ensuring organized and efficient configuration.
Low voltage switchgear is innovatively classified based on component installation methods into fixed and drawer types. The drawer type switchgear showcases a robustly constructed fixed cabinet body, complemented by a versatile movable device section, ensuring adaptability and convenience in various installations.
Internal Components
Key internal components form the backbone of switchgear functionality. This includes circuit breakers, isolating switches, load switches, operating mechanisms, transformers, and a suite of advanced protective devices. These elements are harmoniously integrated to guarantee operational efficacy and unparalleled safety, making them indispensable for reliable electrical systems.
Classification
Switchgear is categorized by the circuit breaker's installation approach into movable and fixed types. The cabinet structures are further classified as open, metal enclosed, or metal enclosed armored, providing varying levels of protection and accessibility. Based on voltage levels, they are distinguished as high-voltage (above AC1000V) or low-voltage (below AC1000V), while voltage waveform divides them into AC and DC. Additionally, they fulfill specific roles as incoming cabinets, outgoing cabinets, metering cabinets, compensation cabinets, and more, offering tailored solutions for diverse requirements.
Effect
Control Function: With precision and expertise, switchgear manages circuit connectivity, facilitating seamless start and stop operations of power equipment. This ensures precise control and optimal performance, making it an invaluable tool in electrical management.
Protection Function: Delivering robust protection, switchgear automatically disconnects the circuit under conditions of overload, short circuit, or leakage incidents. This proactive measure safeguards both equipment and personnel from potential harm, underscoring its role as a guardian of safety and reliability.
Application Location
Ideal for deployment across a wide array of environments, switchgear proves its versatility and reliability in power plants, substations, petrochemical facilities, metallurgical and steel rolling operations, light industry textiles, manufacturing sectors, mining enterprises, residential complexes, and high-rise buildings. Its performance remains steadfast, ensuring dependable operation in every setting it is deployed.
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. is a prestigious trailblazer in the realm of high-tech electrical integration. Our passionate and innovative R&D, production, and service teams bring forth an impressive 15+ years of rich industry expertise, making us a distinguished leader in the field.
We proudly present an extensive suite of state-of-the-art products, including high-voltage solid-state soft starters, sophisticated capacitor cabinets, cutting-edge high and low voltage switchgear, gas-insulated switchgear, and substations. Our versatile offerings are expertly designed to serve a wide array of sectors including energy, chemical industries, metal smelting, electric power grids, and industrial manufacturing. Furthermore, our solutions cater to educational institutes, medical and pharmaceutical fields, municipal commerce, water conservancy, hydropower, road traffic, as well as commercial and residential developments, ensuring robust performance and adaptability.
Our unwavering commitment to 'smart manufacturing' is propelled by a persistent drive for technological innovation. We strategically recruit elite technical talent to fortify our core competitiveness, delivering exceptional value to our clients. Our aspiration is to emerge as the foremost brand in the industry. Since our inception, our journey from modest origins to achieving industry excellence has been fueled by a spirit of innovation. Guided by modern business principles, we emphasize lasting quality, agile market adaptation, reputation-driven growth, and management-driven efficiency. We steadfastly adhere to 'technology leadership, standardized management, superior quality, and customer satisfaction', all aimed at enhancing corporate competitiveness within China's power transmission and distribution sectors. We uphold integrity as a foundational value, prioritize quality, deliver exemplary service, and are dedicated to achieving unparalleled customer satisfaction. Our relentless pursuit of excellence, innovation, and brand trustworthiness remains our enduring goal. Your trust is our driving force. We extend sincere gratitude to our new and loyal customers for their steadfast support. At Senhang Technology, we eagerly look forward to partnering with you to shape a brighter future together.
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.