Product Description
Product Description
Specifications
AC HV Disconnect Switch
1. Rated Voltage: 12kV - Our premier AC HV Disconnect Switch is expertly designed for high-voltage systems, ensuring reliable performance at a robust 12kV.
2. Three-Phase AC 50/60Hz - Engineered for versatility, this switch seamlessly integrates into both 50Hz and 60Hz three-phase AC systems.
AC HV Disconnect Switch
• Summary:
1. The GN30-12(D) Disconnect Switch is an indoor electrical apparatus designed for a rated voltage of 12kV, operating efficiently across three-phase AC 50/60Hz systems. This switch stands at the forefront of innovation, offering dependable service for your high-voltage needs.
2. Specifically crafted for use in breaking and transferring current, this high-voltage electrical apparatus excels in operations involving no-load scenarios, ensuring a seamless transition and peace of mind.
3. With its ingenious rotary moving contact system, the switch is effortlessly mounted on any switchgear, providing unmatched ease of installation and operational flexibility.
4. The wall-through installation design further enhances versatility, making it suitable for a wide range of applications.
In the realm of electrical engineering, a disconnector, often referred to as a disconnect switch or isolator switch, is pivotal for ensuring complete de-energization of an electrical circuit for maintenance or service. While they are primarily used for breaking circuits, these devices are indispensable in environments like electrical distribution systems and substations, where machinery requires its power source to be removed for adjustment or repairs. Disconnectors can be either manual or motor-operated, often paired with earthing switches to ground isolated sections, thereby safeguarding equipment and personnel. High-voltage isolation switches are critical in substations, facilitating maintenance by isolating apparatus like circuit breakers, transformers, and transmission lines. They are primarily safety isolation devices, unlike load switches and circuit breakers, as they lack arc suppression mechanisms. Consequently, disconnectors are off-load devices with minimal breaking capacity, designed to be operated only after current interruption by another control device.
Product Parameters
| Technical parameter |
|
|
|
|
| Model |
Rated voltage (kV) |
Rated current |
Rated short-time withstand current |
Rated peak withstand current |
| (A) |
(kA/4s) |
(kA) |
| GN19-12/400-12.5 |
12 |
400 |
12.5 |
31.5 |
| GN19-12/630-20 |
12 |
630 |
20 |
50 |
| GN19-12/1000-31.5 |
12 |
1000 |
31.5 |
80 |
| GN19-12/1250-31.5 |
12 |
1250 |
31.5 |
80 |
| GN19-12C/400-12.5 |
12 |
400 |
12.5 |
31.5 |
| GN19-12C/630-20 |
12 |
630 |
20 |
50 |
| GN19-12C/1000-31.5 |
12 |
1000 |
31.5 |
80 |
| GN19-12C/1250-31.5 |
12 |
1250 |
31.5 |
80 |
| PARAMETERS |
|
|
|
| No. |
ITEM |
UNIT |
VALUE |
| 1 |
Rated voltage |
KV |
12/40.5 |
| 2 |
Rated frequency |
HZ |
50 |
| 3 |
Rated current |
A |
630/1250 |
| 4 |
Rated breaking current for rated active load |
A |
630/1250 |
| 5 |
Rated closing current |
A |
630/1250 |
| 6 |
5% rated breaking current for rated active load |
A |
62.5 |
| 7 |
Rated cable charging breaking current |
A |
25 |
| 8 |
1 min Power frequency withstand voltage: vacuum interrupter, same relative to ground, isolated interrupter |
KV |
42/68/95/110 |
| 9 |
Lightning impulse withstand voltage: phase-to-phase relative to ground/isolated interrupter |
KV |
75/125/185/215 |
| 10 |
Rated short-time withstand current (thermal stability) |
KA |
25 |
| 11 |
Rated short-circuit duration |
5 |
4 |
| 12 |
Rated peak withstand current (dynamic stability) |
KA |
63 |
| 13 |
Rated short-circuit closing current |
KA |
63 |
| 14 |
Mechanical life |
|
10000 |
| 15 |
Allowable wear thickness of vacuum arc-extinguishing chamber contact |
mm |
0.6 |
| 16 |
Manual operating torque |
Nm |
≤300 |
Company Profile
Zhejiang Chaotai Complete Equipment Co., Ltd. proudly stands as a high-tech beacon in the realm of electrical integration, backed by a seasoned R&D, production, and service team boasting over 15 years of illustrious industry experience. Our cutting-edge expertise fuels the development of pioneering electrical solutions.
Our distinguished array of products includes high-voltage solid-state soft starters, state-of-the-art capacitor cabinets, and advanced high and low voltage switchgear, along with sophisticated gas-insulated switchgear and substations. These groundbreaking products are deployed across a spectrum of industries, from energy and chemical sectors to electric power grids, industrial manufacturing, and beyond. They serve pivotal roles in diverse domains such as universities, medical and pharmaceutical sectors, municipal commerce, water management, hydropower, road traffic, and both commercial and residential areas.
Guided by a relentless pursuit of technological ingenuity and the strategic philosophy of 'smart manufacturing,' we avidly recruit elite technical talents to elevate our core competitive edge. Our mission is to deliver unparalleled services to our esteemed clients, endeavoring to craft the most reputable brand in the industry. From humble beginnings to exemplary achievements, our company's journey is marked by continuous progress and innovation. We champion a modern business ethos that values quality as the cornerstone of survival, reputation as a catalyst for growth, and management efficiency as a route to prosperity. Our unwavering commitment to 'technology leadership, standardized management, superior quality, and customer satisfaction' underpins our ethos in quality and talent management. We aspire to revolutionize China's electric power and grid sectors with speed, strength, and ambition. Upholding integrity, prioritizing quality, and cherishing customer satisfaction are our guiding principles. We consistently strive for excellence, innovation, and the establishment of a trustworthy brand. Your recognition fuels our drive, and we extend our heartfelt gratitude to all our valued customers for their unwavering support. Zhejiang Chaotai looks forward to a collaborative future, united in the pursuit of excellence.
Our Advantages
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.
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