Product Description
Product Description
Specifications
AC HV Disconnect Switch
1. Rated Voltage: 12kV
2. Three-phase AC 50/60Hz
AC HV Disconnect Switch
• Summary:
1. The GN30-12(D) disconnect switch is a sophisticated indoor electrical apparatus designed for a rated voltage of 12kV, operating efficiently within a three-phase AC system at 50/60Hz.
2. It is engineered to manage, interrupt, and transfer current for high voltage electrical apparatus under scenarios involving voltage presence without load.
3. This switch features a rotary moving contact, seamlessly mounted on switchgear for ease of use and integration.
4. It is innovatively designed for wall-through installation, enhancing its versatility in deployment.
In the realm of electrical engineering, a disconnector, also known as a disconnect switch or isolator switch, is essential for ensuring complete de-energization of electrical circuits during service or maintenance. These switches, crucial for circuit isolation, are predominantly employed in electrical distribution systems and substations, where machinery requires power disconnection for adjustments or repairs. They can be manually or motor operated and are often combined with an earthing switch to ground isolated segments, ensuring utmost safety for equipment and personnel. High-voltage isolation switches play a pivotal role in substations, facilitating the maintenance of circuit breakers, transformers, and transmission lines by enabling their isolation. While disconnectors are not designed for regular circuit control, they are vital for safety isolation, differing from load switches and circuit breakers by lacking arc suppression mechanisms during high-current interruptions. Consequently, disconnectors are off-load devices with minimal breaking capacity, intended to open only after current cessation 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. stands at the forefront of electrical integration as a high-tech enterprise. Boasting a professional R&D, production, and service team with over 15 years of seasoned industry expertise, we are committed to excellence.
Our diverse product range includes high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These are extensively applied across numerous fields, including energy, chemical industries, metal smelting, electrical grids, industrial manufacturing, academia, medical and pharmaceutical sectors, municipal commerce, water conservancy and hydropower, road traffic, and both commercial and residential developments.
We are steadfast in our pursuit of technological innovation and embrace the philosophy of 'smart manufacturing.' By attracting high-level technical talents, we enhance our core competitiveness, providing invaluable services that bolster our brand's standing in the industry. Since our inception, we have progressed from foundational stages to achieving excellence, driven by innovation, quality assurance, market orientation, reputation development, and management efficiency. Our commitment to 'technology as the guide, standardized management, excellent quality, and customer satisfaction' fuels our quest to augment the company's market position. We aim to serve China's power transmission and distribution fields with ambition and integrity. Quality is paramount, service is of the utmost importance, and customer satisfaction remains our perennial commitment. Striving for excellence, continuous innovation, and trustworthy brand building are our unwavering objectives. Your recognition propels us forward. We extend our gratitude to our loyal customers for their unwavering support and look forward to collaboratively forging a brighter future with you.
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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