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.GN30-12(D) disconnect switch is an innovative indoor electric apparatus designed for optimal performance with a rated voltage of 12kV and three-phase AC50/60Hz.
2.This superior switch is engineered to seamlessly make, break, and transfer current in high-voltage electrical apparatus under conditions with voltage and no-load, ensuring reliability and safety.
3.The switch features a rotary moving contact that is effortlessly mounted on the switchgear, simplifying installation and maintenance.
4.It also supports wall-through installation, offering versatility and convenience in various applications.
In the realm of electrical engineering, a disconnector, disconnect switch, or isolator switch plays a crucial role in ensuring a comprehensive de-energization of electrical circuits for safe service or maintenance. These essential devices are pivotal for circuit interruption, predominantly found in electrical distribution and substations, ensuring machinery is disconnected from its power source for adjustments or repairs. Disconnectors can be operated manually or via motors, and often work alongside an earthing switch to ground isolated sections, safeguarding both equipment and personnel. High-voltage isolation switches are indispensable in substations, permitting the isolation of critical apparatus like circuit breakers, transformers, and transmission lines for maintenance. While disconnectors are not intended for routine circuit control, they are vital for safety isolation. Unlike load switches and circuit breakers, disconnectors do not possess arc suppression mechanisms for high-current interruptions, categorizing them as off-load devices meant for opening post-current interruption by other control devices.
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 innovation as a high-tech enterprise dedicated to the field of electrical integration. Our team, bringing over 15 years of expertise, excels in R&D, production, and service, ensuring cutting-edge solutions for our clients.
We proudly offer an extensive range of products including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. Our solutions are versatile, catering to diverse sectors such as energy, chemical industries, metal smelting, power grids, and beyond, permeating fields like industrial manufacturing, academia, medical and pharmaceutical sectors, municipal commerce, water conservancy, hydropower, road traffic, and both commercial and residential areas.
Guided by the principles of technological innovation and 'smart manufacturing,' Zhejiang ChaoTai is committed to fostering high-level technical talent, significantly boosting the company’s core competencies. Our mission is to render invaluable services, aiming to build the industry’s premier brand. From our inception, we have flourished, developing from the ground up to a level of excellence. We embrace innovation, pursuing a modern business trajectory based on quality, reputation, and management efficiency. 'Technology as the guide, standardized management, excellent quality, and customer satisfaction' is our unwavering promise. We aim to elevate our market competitiveness, serving China’s electric power and grid sectors with heightened goals of speed, strength, and excellence. Integrity, quality, service, and customer satisfaction are our enduring commitments. We strive for excellence and consistent innovation, dedicated to building a brand you can trust. Your acknowledgment fuels our progress. We extend heartfelt thanks to our loyal customers, and Senhang Technology eagerly anticipates forging a bright future in collaboration 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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