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Isolator High Voltage Switch For 24kV Switchgear Equipment
1. As a key component of metal enclosed switchgears, GN-12~40.5Q indoor high-voltage isolating switch is suitable for 12kV, 24kV and 40.5kV single-phase AC 50Hz power system.
2 Features of Main Structure
2.1 Every phase conductive body for an isolating switch of GN-12~40.5Q is fixed on a bottom seat by post insulators. Three phases of a GN-12~40.5Q isolating switch are mounted in parallel. The conductive body of every phase is composed of a contacting knife and a stationary contact. At the mid of every contacting knife is connected with a pull rod insulator that is connected with a main shaft mounted on a bottom frame by a connecting rod. The main shaft is connected to CS6-1T or CS6-2 operating mechanism by a crank arm and a connecting rod. The mechanism is connected to the isolating switch by a connecting rod supplied by customers to make the relative movement of the mechanism and the switch.
2.2 The conductive part mainly consists of a contacting knife and a stationary contact. The stationary contact is mounted on a post insulator. The contacting knife of every phase is composed of two pieces of groove copper plate to enlarge the heat-sinking area and enhance the mechanic strength of the contacting knife, so the thermal and dynamic stability has been enhanced. One end of the contacting knife is mounted on the stationary contact by a pin (bolt), the other end of the contacting knife is a separable connection with the stationary contact. The contacting pressure of two contacting knives is maintained by a spring.
3 Technical data
12~40.5kV High Voltage Electric Power Switches
Technical Parameters Table
|
Rated Voltage (kV) |
Operating Voltage (kV) |
Rated Current (A) |
Dynamic current (Peak) (kA) |
Thermal Current for 4s (r.m.s.) (kA) |
12 |
10 |
200, 400 (630) |
31.5 (50) |
12.5 (20) |
24 |
20 |
200, 400 (630) |
31.5 (50) |
12.5 (20) |
40.5 |
35 |
200, 400 (630) |
31.5 (50) |
12.5 (20) |
4 Installation and Adjustment
4.1 The earthing switch can be mounted horizontally, vertically or declinely. The switch and the operating mechanism shan’t be installed until they have been checked up and in normal.
4.2 Fix the earthing switch on the basic seat with four bolts M12.
4.3 Phase by phase, check up and adjust the contacting condition of the contact and contacting finger. More than two thirds of the contacting area has to be guaranteed.
4.4 Check up closing condition of 3-phase contacting seat and contacting finger. The synchronism of the position for 3 phases is not more than 3 mm while just closing.
4.5 Manual closing and opening shall be carried out on the switch for 5 times respectively, making sure everything has to be ok.
Notes: Detailed technical data and outline drawing shall be provided upon request.
Isolator High Voltage Switch For 24kV Switchgear Equipment :
For the low voltage products: |
5 -10 days |
For the medium voltage products: |
10 -15 days |
For the high voltage products: |
20 -30 days |
Payment: |
T/T or L/C |
Port: |
Guangzhou |
Packing: |
Wooden case |
And we have a team who is in charge of packing, including packing design.
These enable our packing safe and reliable.
Isolator High Voltage Switch For 24kV Switchgear Equipment
- Your inquiry related to our product & price will be replied within 24hours
- Well-trained & experienced staff are to answer all your inquiries in English of course.
- Working time: 8:00am ~17:45pm, Monday to Saturday. (UTC+8).
- Provide perfect after-sale service, if you got any question, please contact with us and we wll solve your problem immediately.
- We have our own transportation department, goods can be delivered on time whenever they are ready.
-
Your business relationship with us will be confidential to any third party.
Isolator High Voltage Switch For 24kV Switchgear Equipment
1. Q: Minimum order quanlity?
A: 3units
2. Q: Delivery time?
A: 5~30 days (after order)
3. Q: Payment term?
A: L/C or T/T
4. Q: Tell me more about the product information.
A: Voltage Transformers&Current Transformers: up to 1000kV
Dry-type Power Transformers: up to 35kV
Switches: up to 35kV
Trucks Matching Switchgears: up to 35kV
Sensors: up to 35kV
Insulating Articles: up to 1000kV
Or you could send more the parameters of the product you need that help us to select suitable one for you.
Guangdong Sihui Instrument Transformer Works Co., Ltd. who lies in Sihui city, the mid-west of Guangdong Province, 63km away from Guangzhou. It was founded in 1988 and has become one of the top 5 instrument transformers enterprises in China.
A series of products, such as instrument transformers, power transformers, metering trucks, insulation articles and so on, have been professionally designed, manufactured and sold. All of them are suitable for the switchgears matching, power plants and substations in those systems of electric, railway and petrochemical industry. A great of products have owned proprietary intellectual property rights and core technology. Meanwhile, about 30 national honors have been won.
Our products have been sold well everywhere domestically as well as exported to Europe, America, Russia and Asia, which brings high reputation both at home and abroad. What's more, they are extraordinarily applied to power-supply systems of national key infrastructures, such as Guangzhou Baiyun International Airport, Guangzhou Metro, Shanghai Pudong Airport, Zhongnanhai, Beijing Olympic Game Venues, Jiuquan Satellite Shoot Centre, etc.
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