Product Description

Product Description
Specifications
AC HV Disconnect Switch
1. Rated Voltage: 12kV - Experience unparalleled performance with our meticulously engineered device designed for optimal operations.
2. Three-Phase AC 50/60Hz - Ideal for maintaining stability and efficiency across various electrical systems.
AC HV Disconnect Switch
• Summary:
1. GN30-12(D) Disconnect Switch is an indoor electric apparatus of rated voltage 12kV, three-phase AC50/60Hz - A robust and reliable solution for your electrical needs.
2. It is used to make, break, and transfer current for HV electric apparatus under situations with voltage and no-load - A versatile tool ensuring seamless operations.
3. The switch applies rotary moving contact which is mounted on the switchgear easily - Engineered for user-friendly integration.
4. It adopts wall-through installation as well - Designed for efficient and secure positioning within your infrastructure.
In the realm of electrical engineering, a disconnector, or isolator switch, plays a vital role in ensuring complete de-energization of electrical circuits for service or maintenance. These devices are instrumental in circuit breaking and are commonly employed in electrical distribution and substations, where machinery must be safely powered down for adjustments or repairs. Disconnectors, either manual or motor-operated, may also be equipped with an earthing switch to ground isolated sections, enhancing equipment and personnel safety. High-voltage isolation switches are crucial in substations for the maintenance of circuit breakers, transformers, and transmission lines, providing safety isolation without regular circuit control. Unlike load switches and circuit breakers, disconnectors do not suppress electric arcs, thus they are designed to be off-load devices meant for operation after current interruption by other means.
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 as a beacon of innovation in the field of electrical integration. As a high-tech enterprise with over 15 years of industry experience, we take pride in our expert R&D, production, and service teams.
Our product portfolio is diverse and includes high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These products have found their applications across various sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academic institutions, medical and pharmaceutical sectors, municipal commerce, water conservation, road traffic, and both commercial and residential areas.
Our commitment to technological innovation and the 'smart manufacturing' philosophy propels us forward. By continuously attracting top-tier technical talent, we enhance our core competitiveness, aiming to deliver maximum value and build an industry-leading brand. Since our inception, we've evolved from a nascent entity into an industry exemplar, adhering to a quality-driven, market-oriented, reputation-enhancing path of growth. We pledge to uphold 'technology as a guide, standardized management, excellent quality, and customer satisfaction', setting higher goals for serving China's electrical transmission and distribution sectors. Integrity, quality, service, and customer satisfaction are our eternal tenets. Striving for excellence, fostering innovation, and building a dependable brand remain our unwavering objectives. With gratitude, we appreciate the support from all our customers, both old and new. Zhejiang Chaotai eagerly anticipates collaborating with you to forge a brighter 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.