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Anti-explosion LV Frequency control box DFBK PLC control cabinet

LV Frequency control box DFBK PLC control cabinet is suitable for power station, substation, industrial and mining enterprises, highway tunnel and other power users. In the power supply system with ac 50/60 Hz, rated working voltage 380V, rated working current up to 630A and breaking capacity up to 15kA, to provide power conversion, distribution and control for power distribution equipment such as power, lighting and blower. Can provide overload, short circuit and leakage protection.

  • Brand:

    ASHARE
  • Item NO.:

    XL
  • Order(MOQ):

    1
  • Payment:

    T/T , LC at sight
  • Product Origin:

    FUZHOU,CHINA
  • Shipping Port:

    FUZHOU,CHINA
  • Lead Time:

    30 days
  • Product Detail


Anti-explosion LV Frequency control box DFBK PLC control cabinet


Indoor box structure (protection grade IP41-65) distribution box frame is made of cold-rolled steel plate bent and welded. After spraying process treatment, anti - corrosion performance is good. The internal beams and plates are galvanized and passivated by aluminum-zinc coated plates or cold-rolled steel plates. The inside edge of the door with single side foamed glue, which can prevent the door from directly colliding with the box body, and also improve the protection grade of the door.


Outdoor box structure (protection grade IP65) Distribution box frame is made of stainless steel plate bent and welded. After outdoor spraying process treatment, with good corrosion resistance. The internal beams and plates are galvanized and passivated by aluminum-zinc coated plates or cold-rolled steel plates. The inside edge of the door with single side foamed glue, which can prevent the door from directly colliding with the box body, and also improve the protection grade of the door. If there are secondary components on the panel, the structure of the double door is adopted. The outer door is a glass door. The secondary components are installed on the inner door, the operating state of the device can be observed without opening the outer door.





NO. Item Unit Data
1 Rated operational voltage(V) AC 380(400) 
2 Rated insulation voltage(V) 660(690) 
3 Rated frequency(Hz) Hz  50(60) 
4 Horizontal bus rated current(A) ≤630 
5 Main bus rated short-time withstand current kA/1s  15
6 Bus rated peak withstand current kA  30
7 Bus Three-phase four-wire system \ A、B、C、PEN 
Three-phase five-wire system \ A、B、C、PE、N 
8 IP grade use in indoor \ IP41
use in outdoor \ IP65



Distribution box should be installed in a clean, dry and well-ventilated environment.

1. Surrounding air temperature: the highest temperature is 40℃, and the average value measured within 24 hours does not exceed 35℃, and the lowest temperature is -5℃.

2. Relative humidity of the surrounding air: when the maximum temperature is +40℃, it shall not exceed 50%; when the temperature is lower, it is allowed to have a large relative humidity. The influence of condensation may occasionally occur due to the change of temperature should be considered.

3. Altitude:  ≤ 2000m.

4. Conditions of transportation, storage and placement: temperature range from -25℃ to +55℃, up to +70℃ in a short time (not exceeding 24 hours).The inclination of the equipment during installation shall not exceed 3º.

5. The installation site shall be free from fire, explosion, serious pollution, chemical corrosion and violent vibration.

6. The working conditions of instruments, measuring instruments, protective relays, etc. shall be in accordance with the requirements of the component supplier.

Note: if the actual conditions of use cannot be met, it shall negotiate with the manufacturer.



Q: Are you the manufacturer or trader?

A: We are both manufacturer & trader. We have our own manufacturer named TIANYI TONGYI ELECTRIC CO.,LTD, who have 27 years experience in electric industry. It covers an totally area of 117,000 m2 with 300 employees, also is a qualified supplier of China National Nuclear Corporation(CNNC) and main supplier for State Grid & China Southern Power Grid.


Q: What is your after-sales service?

A: We always provide free online service and technical support within 24 hours. 18 months warranty for customers.


Q: What is your delivery time?

A: Normally 25~35days. It depends on the order quantity and season. We have very strong capacity to produce top quality products, please inquiry us if you have any questions.


Q: What is the quality warranty time?

A: We have quality certificate CCC, CQC, ISO9001, CE ... Meanwhile, we can provide 18 months warranty for our products. Free online service and technical support within 24 hours is always provided to our customers.


Q: Do you accept ODM and OEM?

A: Yes. We have professional R & D teams to update and develop the latest technology. We also can support ODM or OEM, please send us details drawing to discuss.


Q: What is your payment terms?

A: Generally there are two payment terms:

a) 30% advance payment via T/T as a deposit, balance 70% against the shipping documents

b) Irrevocable L/C at sight


Q: If I want to visit you, how to go?

A: Our factory is located in Luoyuan County, Fuzhou City. Details address is Songshan Area, Taiwan Investment Zone, Luoyuan County, Fuzhou City, Fujian Province,China.

a) The nearest airport is Fuzhou Airport, if you come by air, please arrive in Fuzhou Airport, it takes 1 hour from the airport to our factory

b) The nearest train station is Luoyuan Station, if you come by train, please arrive in Luoyuan Station, it takes only 5 minutes to our factory.

Anyway, please contact us in advance, we will send the car to the airport or train station to pick you up.Sincerely welcome you to come and visit us.


Q: Do you need agents?

A: Yes, we welcome you to be a partner. Welcome to contact us for more information.


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