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 cutting-edge indoor electric apparatus with a rated voltage of 12kV. It operates on a three-phase AC at 50/60Hz, ensuring robust and reliable performance.
2. This switch is designed to make and break the circuit, seamlessly transferring current for high-voltage electric apparatus under voltage conditions and no-load situations.
3. Featuring a rotary moving contact, the switch is expertly mounted on the switchgear, providing easy installation and reliable operation.
4. Additionally, it adopts a wall-through installation method, enhancing its versatility and usability across various settings.
In the realm of electrical engineering, a disconnector—also known as a disconnect switch or isolator switch—serves as a crucial safety device. Its primary purpose is to ensure that an electrical circuit is completely de-energized, allowing for safe service or maintenance. Disconnectors are pivotal in breaking circuits and are commonly utilized in electrical distribution and substations. Here, machinery must be disconnected from its power source for adjustments or repairs. These devices can be either manually or motor-operated and often come paired with an earthing switch to ground isolated sections, thus safeguarding equipment and personnel. High-voltage isolation switches are indispensable in electrical substations, facilitating the isolation of apparatus like circuit breakers, transformers, and transmission lines for maintenance. Unlike regular load switches and circuit breakers, disconnectors are engineered solely for safety isolation, lacking mechanisms for arc suppression when high currents are interrupted. As off-load devices with very low breaking capacity, they are intended to be opened only after a 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. stands at the forefront of electrical integration as a high-tech enterprise. With a dedicated team in R&D, production, and service, we boast over 15 years of distinguished industry experience, delivering innovative solutions tailored to meet diverse needs.
Our product portfolio is extensive, encompassing high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, sophisticated gas-insulated switchgear, and cutting-edge substations. These products find applications across a myriad of sectors, including energy and chemical industries, metal smelting, power grids, industrial manufacturing, and more. From universities and research institutions to medical and pharmaceutical sectors, municipal commerce, water conservation and hydropower, road traffic, as well as commercial and residential areas, our solutions are integral to multiple fields.
We are driven by a commitment to technological innovation and a 'smart manufacturing' ethos, continuously integrating high-level technical talent to enhance our core competitiveness. Our goal is to deliver unparalleled services to our customers while striving to establish the foremost brand in the industry. Since our inception, we've embarked on a journey of relentless progress, evolving from mere existence to excellence. Our guiding principles are rooted in innovation, a modern business approach of survival through quality, development through reputation, and efficiency through astute management. We adhere to a philosophy of 'technology as the guide, standardized management, exceptional quality, and customer satisfaction.' These core tenets of quality and technical talent management bolster our market competitiveness, enabling us to champion the field of China's electric power and grid transmission and distribution with ambition, speed, and fortitude. We uphold integrity as our foundation, prioritize quality, excel in service, and regard customer satisfaction as our ultimate ethos. Our relentless pursuit of excellence, continuous innovation, and aspiration to build a trustworthy brand define our unwavering development goals. Your recognition fuels our passion. We extend our heartfelt gratitude to all our new and long-standing customers for their unwavering support and affection. Senhang Technology eagerly anticipates collaborating with you to forge a prosperous future together.
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.
Audited Supplier 
){kind=link}