Switchgear Structure 

MNS low-voltage drawer type switchgear (hereinafter referred to as switchgear) is developed by our company after referring to Swiss ABB's MNS series low-voltage switchgear and making comprehensive improvement.The products are composed of standardized, serial modules, and the drawer has a reliable mechanical interlock device, which makes the user safer and more reliable when using.
The switch cabinet is suitable for use in ac 50 Hz (60), rated voltage 400 v, 660 v, rated current under 5000 a and three-phase five wire of electric power supply system, can be used in power plants, substations, industrial and mining enterprises, hotel, airport, dock and radio and television communications center, for power generation, transmission and distribution, power conversion and power consumption equipment control, and through the ark to its main bus-bar capacitance compensation for reactive power compensation.

 

Conditions of use
1.Ambient air temperature: upper limit +40ºC lower limit general area -10ºC;
2.Height: 1000 m;
3.Humidity: relative humidity: daily average is no more than 95%, monthly average is no more than 90%;
4.No fire, explosion hazard, or gases of sufficient severity to corrode metal and break insulation:
5.There is no place for violent vibration, jolting and vertical inclination not exceeding 80 degrees.
6. If the above normal conditions of use are exceeded, the user may negotiate with the company.

 Ordering instructions
1. Schematic diagram of main circuit or electrical schematic diagram
2. Arrangement and layout
3. Model, specification and quantity of main components.
4. Incoming and outgoing wire method and cable specification, etc
5. If bus connection is required between the devices, bus connection and height from the ground shall be provided.
6. Other ordering requirements

 

Company introduction

1.Qingdao Hengfengyou Electrical Engineering Co., Ltd. (hereinafter referred to as Hengfengyou) is a large-scale enterprise group with electricity transmission and distribution as its main business,which integrates scientific research, development, manufacturing and trade. After 30 years rapid economy development in China, Hengfengyou now is a leading R & D, manufacturing and service base for MV , HV and ultra-HV power distribution equipment in China. At present,we have 50 senior technicians and more than 300 employees, with a complete sales and service system. Our products sell well at home and abroad, and our annual output value adds up to $100 million. .
2.At present, Hengfengyou has 6 wholly-owned and holding subsidiaries, which are respectively engaged in R & D, manufacturing and service of transformers, switchgear, package/unit substation, pole-mounted high-voltage vacuum circuit breakers, new energy, and electrical engineering. For a long time, the company has maintained close technical exchanges and cooperation with domestic and foreign universities, scientific research institutes and electric power enterprises. Hengfengyou independently designed and developed SCB series dry-type transformer and SC series oil immersed transformer. Our product performs with high operation efficiency, and obvious energy conservation. The overall performance index reaches the world's advanced level. The company also maintains long-term strategic partnership with Schneider, ABB, Simens, Chint and other electric suppliers. 
HFY Certificate 

The Finished Power Project 

Our Services
We have established strict working procedures and standards in the development, production, sales and after-sales of electrical products, so as to provide customers with first-class products and the best service. 
1. Our electrical engineer has more than 10 years of working experience
2.Our workshop workers are all skilled industrial workers who have received three months 'pre-job training
3. Our sales team has been extensively trained by management consultants to provide professional solutions for customers
4. Our technical team can provide customers with 24-hour technical support world wide
5. Our customer service team ensures that orders are delivered on time. 

Pre-sale service:
1.ISO certified excellent Manufacturer
2. Third-party authoritative certifications: SGS, CE, CB, CNAS, CQC, CCC, etc
3. Flexible payment: T/T, LC, O/A
4. Sufficient inventory, fast delivery time and long validity of the price
5. The whole process of picture tracking can be realized in production and transportation
6. Experienced professional sales team and a strong technical team
7. Sincerely invite customers to visit the company for guidance

After-sales service:
1. If there is any quality problem after receiving the goods, you can return the goods free of charge or ship new products
2. We provide our customers with a 2-year product warranty
3. Provide 24-hour, 365-day technical guidance worldwide
4. The VIP customers enjoy our promotional activity

Our Team and Exhibition 

FAQ
Q1: Is OEM/ODM available?
A1: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q2: What's your MOQ?
A2: One Set.
Q3: How is the delivery time?
A3: It depends your order quantity and it normally takes about 15-20 days.
Q4: How do you control the quality?
A4: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
Q5: How long is the warranty?
A5: Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.