The KYN28A-12(Z)(GZS1) type armored withdrawable AC metal-enclosed switchgear (hereinafter referred to as "switchgear") is suitable for three-phase 50 Hz power systems. It is used for receiving and distributing electrical energy and controlling, protecting, and monitoring circuits.
This product complies with the GB3906 standard "3-35kV AC metal-enclosed switchgear," GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards," IEC60298 "AC metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to 50kV," and DL/T404 "Technical conditions for ordering indoor AC high-voltage switchgear."
| PROJECT |
UNIT |
N/A |
| RATED VOLTAGE |
kV |
3.6,7.2,12 |
| RATED FREQUENCY |
Hz |
50 |
| RATED CURRENT OF CIRCUIT BREAKER |
A |
630,1250,1600,2000,2500,3150 |
| RATED CURRENT OF SWITCHGEAR |
A |
630,1250,1600,2000,2500,3150 |
| RRATED SHORT-TERM WITHSTAND CURRENT(4S) |
kA |
16,20,25,31.5,40 |
| RATED PEAK WITHSTAND CURRENT(PEAK) |
kA |
40,50,63,80,100 |
| RATED SHORT-CIRCUIT BREAKING CURRENT |
kA |
16,20,25,31.5,40 |
| RATED SHORT-CIRCUIT MAKING CURRENT(PEAK) |
kA |
40,50,63,80,100 |
1. Ambient air temperature; maximum temperature +40ºC, minimum temperature -15ºC.
2. Humidity conditions;
Daily average relative humidity: ≤95%
Daily average water vapor pressure does not exceed 2.2kPa;
Monthly average cabinet relative humidity: ≤90%
Monthly average water vapor pressure does not exceed 1.8kPa;
3. Altitude: less than 1000m.
4. Seismic intensity: not exceeding 8 degrees.
5. The surrounding air should not be exposed to corrosive or flammable gases, water vapor, or other obvious pollutants.
6. No places with frequent severe vibrations.
7. When used under normal environmental conditions exceeding the specifications of GB3906, it should be negotiated between the user and the manufacturer.
1. The structure of the switch device is shown in Figure 1.
2. Fully metal assembled, modular structure with a wide range of combination options.
3. The cabinet is made of imported aluminum-zinc coated thin steel plate, processed by CNC machine tools, using advanced multiple folding technology, connected with pull lily nuts and high-strength bolts, with high precision, corrosion resistance, light weight, high strength, and strong component interchangeability.
4. Can be equipped with ZN 63A-12 series or imported VD4 series vacuum circuit breakers, with wide applicability, high reliability, and maintenance-free operation for many years.
5. The handcart device has positioning and display devices for working, testing, and various positions, ensuring safety and reliability.
6. Various types of handcart devices can be changed like modular blocks, ensuring free interchangeability among carts of the same specifications, while carts of different specifications are strictly prohibited from entering.
7. The handcart is transported by a dedicated carrier, making it easy and flexible to operate.
8. The cable compartment can accommodate up to 9 single-core cables.
9. Highly reliable interlocking device that fully meets the "five prevention" requirements.
10. Each high-voltage compartment has a pressure relief channel to ensure personal safety.
11. The front door is equipped with an observation window made of explosion-proof glass, allowing the working status of internal components to be observed.
12. When used under normal environmental conditions exceeding the GB3906 specifications, it should be determined through consultation between the user and the manufacturer.
A Busbar compartment
B Circuit breaker compartment
C Cable compartment
D Relay and instrument compartment
1 Outer shell
2 Branch busbar
3Busbar sleeve
4 Main busbar
5 Static contact device
6 Contact box
7 Current transformer
8 Ground switch
9 Cable
10 Surge arrester
11 Grounding busbar
12 Removable partition
13 Partition (valve)
14 Secondary socket
15 Circuit breaker trolley
16 Heating device
17 Withdrawable horizontal partition
18 Ground switch operating mechanism
19 Base plate
20 Pressure relief device
21 Control wire duct
Product Completeness
The following documents and attachments should be provided when supplying:
1. Certificate of Compliance
2. Packing List
3. User Manual
4. Factory Inspection Report
5. Electrical Diagrams
6. Spare Parts and Accessories as specified in the contract
7. Installation and Usage Instructions for major components.
Ordering Instructions
The following information should be provided when placing an order:
1. Main circuit system schematic diagram.
2. Auxiliary circuit electrical schematic diagram and auxiliary circuit voltage.
3. Component list inside the cabinet (including component model, name, specifications, and quantity).
4. Switching equipment layout plan.
5. Cabinet color (if no specific requirements, follow the standard of our company).
6. Spare parts list.
7. Any other special usage conditions.
LEAD TIME:
The delivery time is usually determined by the type and quantity of the product, typically ranging from 15 to 20 days.
WHY CHOOSE US?
1), Innovation Strength
Fenarro has a professional research and development team consisting of over 30 technical engineers. The production design incorporates advanced international technology and is equipped with updated equipment systems. It follows the highest international standards for experiments and has invested over 30 million US dollars in research and development expenses.
2), Quality Control
Fenarro has over 40 professional testing equipment, 5 production lines, and 2 measurement centers, with strict quality control processes in place to ensure that our products meet international certification requirements.
3), Quantity and Productivity
Fenarro has six workshops and nearly 230 well-trained employees, with the help of modern automated production lines, our annual production capacity is 150,000 sets of equipment.
4), Our Service
I). By promptly addressing customer inquiries and concerns, we provide a quick response during the pre-sales period to secure the orders and achieve success in the B2B realm.
II). Our service is synonymous with excellence throughout the production process. We pride ourselves on our meticulous attention to detail, our team of experienced professionals, effective communication, and unwavering commitment to timeliness.
III). Our team of experts is dedicated to solving any issues that may arise after your purchase. We pride ourselves on our prompt and effective communication, ensuring that you are always kept in the loop and informed of any updates or progress.
IV). The essence of our warranty program lies in its ability to instil confidence in our customers. By providing a long period quality warranty, we aim to eliminate any doubts that may arise during the decision-making process.
FAQ
Q: Are you a factory or a trading company?
A: We are a factory.
Q: How to place an order?
A: Inquire with us → Customize with your design or sample → Inform us of your usage scenario → Receive our product design recommendation → Negotiate details → Confirm sample → Sign contract/deposit → Mass production → Goods ready for shipment → Delivery → Further cooperation.
Q: How about sample orders?
A: We provide samples for reference, please contact us for details. Once we charge you for the sample fee, please rest assured that the fee will be refunded when you place a formal order.
Q: What shipping methods are available?
A: We offer various shipping methods such as express, sea, air, and land transportation. If you need to specify other shipping methods, please contact us.
Q: How long does it take for delivery and shipment?
A: Delivery time depends on the type and quantity of products you order. Usually, it takes 15-20 days.
Q: What can I do if some products are missing from my package?
A: Please contact our support team, we will confirm your order contents with the packaging and compensate for the missing products according to the actual situation. We apologize for any inconvenience caused.
Q: How to confirm payment?
A: We accept payment methods such as wire transfer and PayPal. Other payment methods are also acceptable, please contact us before making payment through other methods. Additionally, a 30% deposit is feasible, and the balance should be paid before shipment.
Audited Supplier 
){kind=link}