Product Description
Product Description
Specifications
AC HV Disconnect Switch
1. Rated Voltage: 12kV - This switch is designed for systems requiring a robust and reliable 12kV rated voltage, ensuring unmatched performance and safety in high voltage scenarios.
2. Three-Phase AC 50/60Hz - It operates seamlessly across both 50Hz and 60Hz frequencies, making it versatile and adaptable to various international electrical standards.
AC HV Disconnect Switch
• Summary:
1. The GN30-12(D) disconnect switch is a state-of-the-art indoor electric apparatus with a rated voltage of 12kV, crafted for three-phase AC operations at 50/60Hz.
2. It is ingeniously designed to control, break, and transfer current for high voltage electric apparatus under no-load voltage conditions, ensuring precision and reliability.
3. The switch incorporates an innovative rotary moving contact system, mounted strategically on the switchgear for ease of operation and optimal performance.
4. Additionally, it features a wall-through installation approach, enhancing its adaptability and functionality in diverse setups.
In the realm of electrical engineering, a disconnector, often referred to as a disconnect switch or isolator switch, plays a critical role in ensuring the complete de-energization of an electrical circuit for service or maintenance. These essential devices are predominantly employed for breaking circuits and can be found in electrical distribution and substation settings where machinery must be safely powered down for adjustments or repairs. Disconnectors can be either manually or motor-operated and are frequently paired with earthing switches to ground isolated system components, guaranteeing the utmost safety for both equipment and personnel. High-voltage isolation switches are integral to electrical substations, allowing for the isolation of apparatus such as circuit breakers, transformers, and transmission lines during maintenance. It is important to note that disconnectors are primarily designed for safety isolation rather than normal circuit control. Unlike load switches and circuit breakers, they do not possess arc-suppression mechanisms needed during the interruption of high-current conductors, classifying them as off-load devices with minimal breaking capacity, intended 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. is a pioneering high-tech enterprise specializing in electrical integration. Boasting a dedicated team of R&D, production, and service professionals, we bring over 15 years of formidable industry experience to the table.
Our portfolio encompasses high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. Our innovative solutions find extensive applications across a spectrum of industries including energy, chemical, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water conservation, transportation infrastructure, and both commercial and residential sectors, cementing our reputation as a versatile and trusted industry leader.
We are unwavering proponents of technological innovation and advocate for the 'smart manufacturing' ethos, channeling resources to attract top-tier technical talent to significantly bolster our core competitiveness. Our unwavering commitment to providing unparalleled value to our customers drives us to establish the most esteemed brand within the industry. From inception, our journey has been marked by relentless progression—from nascence to excellence. Underscoring our operations is a steadfast dedication to innovation, quality-driven survival, market-focused development, and efficiency through superior management. Adhering to the guiding principles of 'technology-leading, standardized management, exceptional quality, and ultimate customer satisfaction,' we continually enhance our market competitiveness, with a commitment to serving China's electric power and grid sectors with rapid, robust, and elevated objectives. Integrity is our foundation, quality our hallmark, service our priority, and customer satisfaction our perpetual goal. Our enduring pursuit of excellence, continuous innovation, and the cultivation of a dependable brand remain our unyielding aims. Your acknowledgment fuels our drive. We extend our heartfelt gratitude to our loyal patrons, and Zhejiang Chaotai Complete Equipment Co., Ltd., eagerly anticipates collaborating with you to forge a promising future.
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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