Conditions of use
MNS Low Voltage Pumping Switchgear
Ambient temperature: ambient air temperature is not higher than + 40 C, not lower than - 5 C, and within 24 hours its average temperature is not higher than + 35 C;
Ambient humidity: Air is clean, relative humidity is not more than 50% at the highest temperature of + 40 C. Higher relative humidity is allowed at lower temperatures, for example, 90% at + 20%. However, considering temperature changes, occasional condensation may occur.
Elevation: no more than 2000m;
Grade of environmental pollution: Grade 3;
If the selection of some electrical components fails to meet the above conditions, the manufacturer shall consult with the user.
When the operating conditions are not in conformity with the above working conditions, the user shall submit them to the manufacturer.
Main technical parameters
|Rated insulation voltage: 660V, 1000V;|
Rated operating voltage: main circuit 400V, 480V, 690V; auxiliary circuit: AC220, AC380V, DC110, DC220;
Rated impulse withstand voltage (1.2/50uS): 6,8kV main circuit;
Rated working current (IP4X*): main bus less than 5000A, <3600 A (double-sided cabinet); vertical bus 1000, 1250, 1600 A (extraction type), <2500 A (plug-in type MCC);
Rated short-term withstand current: main bus 50, 65, 80, 100 (kA/0.1 seconds); vertical bus 80, 65, 80, 90 (kA/1 seconds)
Rated peak tolerance current: main bus 105, 143, 176, 220 (kA/0.1 seconds); vertical bus 105, 143, 176, 198 (kA/0.1 seconds);
Note: When the protection level is IP55, the rated working current of the main bus is less than 2500 A.
Shanghai Zhecheng Electric CO.,LTD is founded in 2004, mainly engaged in industrial automation of complete sets of equipment and related solutions.We can solve the problem of transmission,enterprise product demand and high-level technical support. Meanwhile, we do our best to provide the best service.
Since Zhecheng was set up, we have been committed to become a top-ranking company with outstanding strength through making unremitting efforts, and now we have made great achievements. We have excellent employees, top-quality products, and the most comprehensive technical support. We have a large number of customers, whether in the cold northern ice city or the hot southern area.
The undeviating motto of our company is: innovation, and excellence. We rely on scientific management, exquisite know-how and specialized advantage, and have received highest reputation from the industrial field.
Through our unremitting efforts, the concept of "Outstanding good faith" has been proved by our customers. Our products have a wide range of applications, such as the cement industry, petrochemical industry, steel industry, automotive industry and municipal.
Our products are widely used in the cement industry, the electric power industry, the chemical pharmaceutical industry, the iron and steel industry,
the Municipal Industry and other industries.
Innovation, Honesty, Gratitude and Practical Major Pursue excellence and keep pace with the times.
Be honest, trustworthy, do what you say and do what you do.
Thanksgiving society, to tell the truth, to do practical work, to study the profession, to do the best!
Provide engineering consultation, project design, production and processing, maintenance and life cycle services for domestic and foreign customers!
Our goal is to establish a long-term cooperative relationship with customers on the premise of competition: quality, after-sales service, price, and who can solve the problem best.
Zhecheng Electric --Your success is our goal !
Plant and office environment
Certificate of honor
1.High and Low Voltage Complete CCC Certification
2.EU CE Certification
3.Testing and Inspection Report of Multiple Types of High and Low Pressure
4.OHSAS 18001 Occupational Health Management System Certificate
5.ISO 9001 Quality System Certificate
6.ISO14001 Certificate of Environmental Management System Certification
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Our products are all over the world, standards by CE certification
Our customers include Indonesia, Belarus, Bangladesh, Pakistan and other countries.Foreign Market
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Shanghai Zhecheng Electric Co., Ltd.