Product Description
SF6 type metal closed insulation series ring network switch cabinet uses SF6 gas as the arc extinguishing and insulation medium;
The switch cabinet is a fully sealed and fully insulated structure; the busbar, switch and live parts are completely enclosed in a stainless steel shell. The cavity is filled with 1.4bar SF6 gas, and the protection level reachesIP67; The whole switching device is completely unaffected by external environmental conditions, which can ensure the normal operation of the switch even in extreme situations such as short-term water immersion, and the product is maintenance-free for life;
The switch cabinet is equipped with a perfect five-proof interlock device, which completely eliminates the operation failure of personnel and equipment that may be caused by human misoperation;
All switch cabinets have reliable safety pressure relief channels, which can ensure the personal safety of operators even in extreme situations;
The switch cabinet is divided into two categories: fixed unit combination and expandible unit combination; the switch cabinet is usually composed of front in and out line, and can also realise side out line or side extension according to different installation positions;
The cabinet is small in size, easy to install, and suitable for places with small space and poor environmental conditions;
The switch cabinet can be equipped with electric, remote control and monitoring devices according to the different needs of users.
S/N |
Item |
Unit |
parameters |
1 |
Rated voltage |
KV |
12, 24, 33,40.5KV |
2 |
Rated current |
A |
630 |
3 |
Rated frequency |
Hz |
50 |
4 |
Rated short time withstand current |
KA |
20 |
5 |
Rated short circuit duration |
S |
4 |
6 |
Rated withstand current (peak) |
KA |
50 |
7 |
Rated short circuit duration of grounding switch |
S |
4 |
8 |
Rated short withstand current (peak) of grounding switch |
KA |
50 |
9 |
Rated insulation level |
1min power frequency withstand voltage (effective value) |
KV |
(phase-phase, phase-earth)42;
(fracture) 48 |
Lightning impulse withstand voltage (peak) |
KV |
phase-phase, phase-earth)75;
(fracture) 85 |
10 |
Rated SF6 pressure (20°C gage pressure0 |
Mpa |
0.04 |
11 |
SF6 leakage rate per year |
|
1% |
12 |
Protection degree |
|
IP3* |
Company Profile&Our Factory
Guangdong Qiaohui Electric Technology Co.,Ltd has always been adhering to the"quality of survival,innovation and development"business philosophy.Committed to saving powertransformer and high voltage equipment research and development,production and sales.he products included KYN,XGN,GCK,GCS,MNS,GGD,XL-21,XM and energy savingdistribution transformers,special transformers,arc suppression grounding devices,high and low voltage reactors,high-low voltage complete equipment,pre-intalled substations(European box transformer),combined transformers(American box transformer)and photovolaic/wind power generation special box transformers.Provide global solutions forenergy /efficient power systems for global customers.
The company has a self-build factory with area of 30000 square meters,we have various advanced process equipment and quality assurance facilities.Including multi-functionalvacuum casting and impregnation equipment,core processing shear line,foil coil winding machine,CNC punch,plate shearer,bending machine and high standard testing equipmentetc.Perfect detection and test means,strict production according to national standards and ISO9001,CCC quality management system.So as to he quality can be reliably guaranteed.Qiaohui has been focusing on brand effect.Registering and using"qiaohui"trademark.
We do believe that we will be the top one in china in making transformer.Love"qiaohui"love "made in china"!
Our Advantages
Exhibition&Our certificate
Packaging & Shipping
FAQ
1. Are you a manufacturer or a trader?
QIAOHUI is a leading manufacturer specializing in10-40.5kV switchgear which is located in Guangdong Province, China.
2.What are your main markets?
Our main markets are in both domestic and overseas including Southeast Asia, Middle East, South America,Africa, etc.
3.What are your delivery and after-sales service?
Delivery depends on the order quantity, usually it takes 1 month for container orders. There are no problems for us to deliver 20 containers (20 feet or 40 feet) per month. About customer service, we will reply to customer's questions within 24 hours and provide full technical support for our products in time.
4.What is your product warranty?
Firstly, our switchgear and power equipment have quality certificates such as CCC, ISO9001, CE, Rohs, CB,TUV, Kema certificates for their electrical parts and accessories. Secondly, we offer a 1-year warranty, during which we provide free repair, maintenance and technical support. Of course, for some switchgear and
power equipment, their service life is more than 20 years.
5.Do you accept OEM and ODM?
Yes, our R&D team has the latest technology and can develop and produce products according to customers' drawings and brands.
6.What are your payment terms?
A.100% T/T in advance.
B. Irrevocable Demand Letter of Credit for orders over 200,000$.
C. For long-standing business partners, other special terms and conditions can be negotiated.
D. Other than T/T, we also accept Western Union, moneygram, paypal etc.
7.If I want to visit the factory, what should I do?
Our company is located in Foshan City, Guangdong Province, China. The factory is about an hour's drive from Guangzhou Airport. If you need an invitation letter to come to China, we can provide one.