Product Description
QW1 series universal Air circuit breaker(hereinafter referred to as breaker)is suitable for the circuit of AC 50Hz with rated voltage 400V, 690V and rated current up to 6300A. It is mainly used to distribute electric energy and protect circuits and power-supply equipment from overload, under-voltage, short-circuit and single-phase earthing. with intelligentized and selective protection functions, the breaker can improve the reliability of power supply, and avoid unnecessary power failure. The breaker is applicable for power stations, factories, mines(for 690V) and modern high-buildings, especially for the
distribution system of intelligentized building. This breaker conforms to IEC60947-2 and GB14048.2 and CE.
| Type |
DAA1-1000 |
DAA1-2000 |
DAA2-3200 |
DAA3-4000 |
DAA4-6300 |
| Frame rated |
1000 |
2000 |
3200 |
4000 |
6300 |
| current Inm (A) |
| Number of poles |
3,4 |
3,4 |
3,4 |
3,4 |
3,4 |
| Rated current In (A) |
200,400,630,800,1000 |
400,630,800,1000,1250,1600,2000 |
2000,2500,3200 |
4000 |
5000,6300 |
|
|
|
|
| Icu (kA)O-CO |
400V |
42 |
80 |
100 |
100 |
120 |
| 690V |
25 |
50 |
65 |
65 |
85 |
| Ics (kA)O-CO-CO |
400V |
30 |
50 |
65 |
65 |
100 |
| 690V |
20 |
40 |
50 |
50 |
80 |
| Icw(kA)O-CO |
400V |
20 |
50 |
65 |
65/80(MCR) |
85/100(MCR) |
| 690V |
20 |
40 |
50 |
50/65(MCR) |
65/75(MCR) |
| Rated current at N-pole In (A) |
50%In, 100%In |
| Inherent making& breaking time |
23-32ms |
|
|
| Operational performance (operations) |
Electric life |
500 |
|
| Mechanical life |
9500 |
| Mounting mode |
Fixed with drawable |
|
| Arcing distance(mm) |
0 |
|
| Intelligent controller |
Standard type(M) Telecommunication type (H) |
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.
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