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 high-performance indoor electric apparatus with a rated voltage of 12kV, designed for three-phase AC50/60Hz applications.
2. It is adept at making, breaking, and transferring current for high-voltage electrical apparatus in scenarios with voltage but no-load, ensuring safe and efficient operations.
3. The switch features an innovative rotary moving contact, strategically mounted on the switchgear for ease of use and effective performance.
4. Additionally, it incorporates a wall-through installation method, maximizing space and enhancing operational flexibility.
In the realm of electrical engineering, disconnectors, also known as disconnect switches or isolator switches, play a critical role in ensuring circuits are fully de-energized before service or maintenance. These indispensable tools are used strictly for circuit interruption and are a common sight in electrical distribution systems and substations, where machinery needs its power source cut off for adjustments or repairs. Disconnectors come in both manual and motor-operated varieties and are often partnered with an earthing switch to ground the isolated section, guaranteeing the utmost safety for equipment and personnel. In high-voltage settings, isolation switches are essential in substations for the safe maintenance of critical components like circuit breakers, transformers, and transmission lines. While disconnectors are not designed for routine circuit control, their purpose is to provide reliable safety isolation. Unlike load switches and circuit breakers, disconnectors do not offer electric arc suppression when interrupting currents. Therefore, they function as off-load devices with minimal breaking capacity, intended to open only after another control device has effectively interrupted the current.
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
Welcome to Zhejiang ChaoTai Complete Equipment Co., Ltd., a pioneering high-tech enterprise excelling in the domain of electrical integration. With over 15 years of profound industry experience, our skilled R&D, production, and service teams are dedicated to delivering innovative solutions.
Our diverse product lineup includes state-of-the-art high-voltage solid-state soft starters, sophisticated capacitor cabinets, versatile high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. These products have earned extensive application across a multitude of sectors, including the energy and chemical industries, metal smelting, electric power grids, industrial manufacturing, educational institutions, medical and pharmaceutical domains, municipal commerce, water conservancy and hydropower, road traffic, and both commercial and residential areas.
Guided by our philosophy of 'smart manufacturing' and technological innovation, we are dedicated to enhancing our core competitiveness. By welcoming elite technical talents, we provide unparalleled services to our esteemed clients, aspiring to establish the most prestigious brand within our industry. Since our inception, we have progressed remarkably, advancing from inception to excellence. Our commitment to innovation ensures our adherence to a strategic business model that champions survival through unmatched quality, market penetration, reputation-based growth, and efficiency-driven management. We are steadfast in our commitment to 'technology as the guide, standardized management, remarkable quality, and absolute customer satisfaction,' thereby boosting our market competitiveness. Our mission is to serve China's power and grid sectors with unmatched speed, strength, and lofty ambitions. Anchored in integrity, prioritizing quality, and elevating service, customer satisfaction remains our perpetual goal. Our relentless pursuit of excellence, our drive for continuous innovation, and our focus on building a brand worthy of trust are the cornerstones of our development objectives. Your recognition fuels our journey. We convey our heartfelt gratitude to all our loyal customers who have supported and cherished us throughout the years. Senhang Technology eagerly anticipates forging a vibrant future, hand in hand, 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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