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. Introducing the GN30-12(D) Disconnect Switch, a state-of-the-art indoor electrical apparatus with a rated voltage of 12kV and designed to handle three-phase AC at 50/60Hz.
2. This switch excels in making, breaking, and transferring current for high-voltage electric apparatus, effectively operating under voltage and no-load conditions.
3. Engineered with a rotary moving contact seamlessly mounted on the switchgear, it enhances ease of use and operational efficiency.
4. Additionally, it supports wall-through installation for versatile application and convenience.
In the realm of electrical engineering, a disconnector, also known as a disconnect or isolator switch, plays a pivotal role in ensuring the safety of electrical circuits by completely de-energizing them for maintenance or service. These vital components are primarily utilized for circuit breaking and are indispensable in electrical distribution and substations, where machinery must be safely disconnected from power sources for adjustments or repairs. Disconnectors can be operated manually or via motors, and may be combined with an earthing switch to securely ground isolated portions, safeguarding both equipment and personnel. High-voltage isolation switches are integral in substations, facilitating the isolation of key apparatus like circuit breakers, transformers, and transmission lines for maintenance purposes. These switches are dedicated to safety isolation rather than normal circuit control and, unlike load switches and circuit breakers, they do not possess arc suppression mechanisms. Therefore, they are designed as off-load devices with minimal breaking capacity, intended to be opened only after current has been safely interrupted 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. shines as a high-tech enterprise dedicated to the comprehensive field of electrical integration. Boasting a professional team specialized in R&D, production, and service — with over 15 years of industry expertise — we stand as a beacon of innovation and reliability.
Our portfolio proudly features cutting-edge high-voltage solid-state soft starters, advanced capacitor cabinets, versatile high and low voltage switchgear, sophisticated gas-insulated switchgear, and efficient substations. Our products, renowned for their quality and reliability, are the backbone of diverse sectors, including the energy and chemical industries, metal smelting, electric power grids, industrial manufacturing, and educational as well as research institutions. They also serve the medical and pharmaceutical sectors, municipal commerce, water conservancy and hydropower, road traffic systems, and both commercial and residential domains.
We firmly embrace the philosophy of 'smart manufacturing' through relentless technological innovation. By attracting top-tier technical talent, we continuously enhance our core competitiveness, delivering unparalleled service value to our customers and striving to establish ourselves as the premier brand in the industry. Our journey from humble beginnings to excellence is testament to our commitment to innovation, quality, and reputation. Our business ethos is rooted in survival through impeccable quality, market orientation, development through a sterling reputation, and efficiency through meticulous management. Guided by the principles of leading technology, standardized management, superior quality, and unmatched customer satisfaction, we continually elevate our market standing. Our aspiration is to propel the transmission and distribution sectors of China's electrical and grid industries to new heights with speed, strength, and ambitious goals. Integrity, quality, and service are our unwavering tenets, with customer satisfaction being our ultimate pursuit. Driven by a passion for excellence and continuous innovation, our aim is to build a brand that earns unwavering trust. Your recognition fuels our journey forward. We extend heartfelt gratitude to our valued customers, both new and longstanding, for their steadfast support and trust. Together, with Senhang Technology, let's craft a future that exceeds all expectations.
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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