Rdq3NMB Series Dual Power Automatic Transfer Switch, CB Type Auto Changer Over 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 technical strength and good reputation have attracted the attention of many customers, thus the sales of our electrical cabinet, compression spring, power factor correction capacitor bank continue to rise. We provide the majority of distribution partners with assured and high-quality resources and creates more profit margins. We have a large share in global market. We warmly welcome customers from all over the world to cooperate with us for mutual development. After years of development, the company's product categories continue to increase, the production scale and sales scope continue to expand, thus our company has maintained a good and steady development momentum.

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


We uphold the spirit of 'integrity, responsibility, detail, and innovation', follow the latest development trend of Rdq3NMB Series Dual Power Automatic Transfer Switch, CB Type Auto Changer Over Switch, and continuously improve the company's service level and product quality with outstanding talents, advanced technology and scientific management. After years of exploration and practice, our products and services have been successfully placed in the leading position in the industry. Welcome prospects new and old to get hold of us for enterprise cooperation.
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