400 AMP Automatic Transfer Switch

1. Component: auto transfer device
2. Funtion: It can be switched between normal power supply and backup power supply to ensure reliability and continuity of power supply.
3. Certificates: Test report and 3C certificate

Product Details
Our company focuses on quality assurance and after-sales service, and strives to build the high quality small compression springs, stainless steel extension springs, power switch board brand to serve our customers. We tailor-made for customers through technological innovation to meet customer needs and provide customers with first-class products and quality services. Guided by customer needs, with the goal of improving production efficiency and quality, we continue to introduce foreign advanced technology to bring customers more comprehensive solutions.

1. Overview

Auto transfer switchgear mainly consists of the auto transfer device which can be switched between the normal power supply and backup power supply to ensure reliability and continuity of power supply. It is widely applied in the important places which need uninterrupted power supply such as buildings, post, and telecommunication, mining enterprises and shipping

2. Technical parameters

Items

Parameters

Rated working voltage (V)

AC380

Rated  frequency

50

Rated  insulation voltage (V)

AC660

Auxiliary circuit insulation voltage (V)

AC380

 

Rated   impact withstand voltage Uimp(kV)

Main   circuit

8

Auxiliary   circuit

6

Overvoltage grade

Electric clearance

≥8mm

Creepage distance

≥10mm

Rated current of complete set equipment

400A

Main busbar rate current

400A

Rated short-time withstand current

10kA

Rated peak withstand current

17kA

Circuit number of power distribution(feeder) cabinet and control cabinet

4

Shell protection grade

IP30

Heat resistance grade

F

Rated current (Inc) and rated limited short-circuit current (Icc) of every outgoing circuit of power distribution(feeder) cabinet and control cabinet:

Circuit

Inc(A)

Icc(kA)

C1

160

10

C2

80

10

C3

80

10

C4

80

10

Rated current (Inc), rated limit short-circuit breaking capacity (Icu) and rated operation short-circuit breaking capacity(Ics) of every outgoing circuit of power distribution(feeder) cabinet and control cabinet:

Circuit

In(A)

Icu   (kA)           Ics(kA)

C1

200

Icu=35            Ics=25

C2

100

Icu=35            Ics=22

C3

100

Icu=35            Ics=22

C4

100

Icu=35            Ics=22

3. Operation conditions

1. Ambient temperature: the maximum temperature is +40℃ and the lowest temperature is -5℃. The average temperature in 24 hours should be less than +35℃.

2.The relative humidity of ambient air should be less than 50% when the highest temperature is +40℃. The higher relative humidity is allowed at a lower temperature, for example, when the temperature is +20℃, the relative humidity can be 90%. Dewing may happen accidentally due to the change of temperature.

3. Altitude should be less than 2000m.

4. Earthquake magnitude should be less than 8.

5. The place should be free from serious contamination, chemical corrosion, and strong vibration.

4. Dimensions

Height   (mm)

Width(mm)

Depth(mm)

1000-1700

500-800

300-400

5. Ordering Instruction

Orderer should offer the following technical document:

1. All types of products include main circuit plan No. and auxiliary circuit plan No.

2. Main circuit system combination sequence drawing

3. Auxiliary circuit electric scheme

4. Cabinet elements list

5. Setting parameters such as voltage, current and time

6. Other requirements not in accordance with a normal use


Our company has a number of professional production and technical personnel and a number of creative design talents. After years of efforts of all colleagues, the company's scale and strength are growing and 400 AMP Automatic Transfer Switch are mainly sold overseas. Then, we shall own a large capacity of producing. We firmly believe that professionalism creates value and trust comes from responsibility.
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