Product Description
Switchgear is an indispensable element of modern electrical systems, ingeniously crafted to manage the intricacies of opening, closing, controlling, and safeguarding electrical instruments during the crucial processes of power generation, transmission, distribution, and conversion. Its core mission is to uphold seamless operation and comprehensive protection across a wide array of power systems, ensuring reliability and safety.
Structure
High voltage switchgear boasts a meticulously engineered structure with distinct, self-contained compartments such as the busbar room, circuit breaker room, secondary control room (also known as the instrument room), and feeder room. Each compartment is securely partitioned with robust steel barriers. For instance, in the impressive KYN28A-12 model, the instrument room is strategically positioned at the top, the circuit breaker room commands the central area, while the cable room finds its dedicated place at the bottom, showcasing a design that prioritizes both functionality and safety.
Low voltage switchgear is distinctly categorized based on the method of component installation into fixed and drawer types. The drawer type switchgear is characterized by a durable fixed cabinet structure complemented by a flexible movable device section, offering adaptability and ease of maintenance.
Internal Components
Essential internal components encompass circuit breakers, isolating switches, load switches, operating mechanisms, transformers, along with a suite of sophisticated protective devices, all meticulously integrated to ensure unparalleled operational efficiency and safety. This harmonious assembly guarantees the switchgear's reliability in demanding conditions.
Classification
Switchgear classification is determined by the circuit breaker's installation method, categorizing them into movable and fixed types. Cabinet structures are further classified as open, metal enclosed, or metal enclosed armored. They are distinguished by voltage levels into high-voltage (above AC1000V) or low-voltage (below AC1000V), while the voltage waveform divides them into AC and DC. Additionally, these versatile devices serve specialized functions as incoming cabinets, outgoing cabinets, metering cabinets, compensation cabinets, among others, catering to specific operational needs.
Effect
Control Function: Skilfully manages circuit connectivity to facilitate the precise start and stop operations of power equipment, ensuring unmatched control and peak performance. This pivotal function maintains system efficiency and operational integrity.
Protection Function: Delivers robust protection by automatically disconnecting circuits during overloads, short circuits, or leakage scenarios, safeguarding both equipment and personnel from potential dangers. This proactive approach ensures the highest levels of safety and reliability.
Application Location
Perfectly suited for application in power plants, substations, petrochemical facilities, metallurgical and steel rolling operations, light industry textiles, manufacturing sectors, mining enterprises, residential complexes, and towering high-rise buildings, this versatile switchgear ensures steadfast performance across a multitude of environments, reinforcing reliability and safety universally.
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 enterprises, specializing in the sophisticated sphere of electrical integration. Our dedicated and cutting-edge R&D, alongside our robust production and service teams, bring over 15 years of invaluable industry expertise, positioning us as a leader in innovation and quality.
Our diverse and state-of-the-art portfolio encompasses high-voltage solid-state soft starters, efficient capacitor cabinets, and both advanced high and low voltage switchgear. We also offer innovative gas-insulated switchgear and substations. Our solutions are extensively deployed across a multitude of sectors, including but not limited to energy, chemical processing, metal smelting, power grids, and industrial manufacturing. Additionally, our products support the needs of educational facilities, medical and pharmaceutical fields, municipal commerce, water conservation, hydropower, road traffic infrastructure, and both commercial and residential projects.
At the heart of our 'smart manufacturing' ethos is an unwavering commitment to continual technological advancement. We actively seek out top-tier technical professionals to bolster our core strengths, delivering unmatched value while striving to become the industry's definitive brand. Our trajectory, from modest origins to industry titans, has been characterized by relentless innovation and progress. We uphold modern business ideals that prioritize lasting quality, adaptability to market shifts, reputation-centric growth, and management-efficiency. Firmly rooted in 'technology leadership, standardized management, exceptional quality, and customer satisfaction', we enhance our competitive edge within China's power transmission and distribution sectors. We stand by integrity, prioritize quality, and deliver unrivaled service, all dedicated to ensuring customer satisfaction. Our pursuit of excellence, innovation, and brand reliability remains our steadfast objective. Your trust is our catalyst. With profound gratitude to our loyal and new customers, we at Senhang Technology look forward to partnering with you to create a prosperous 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.