Question ：what is the application of the dc dc converter?

Answer 

1. DC-DC converter is widely used in the area of communication and electricity.

2. This product is mainly designed to meet the need of the requirements of all kinds of communication devices.

Question . What is the working way of DC DC converter?

Answer:

1. Working whole-day when in rated current

Question：What kinds of protection function of our DC DC Converter?

Answer:

1. Input overvoltage protection

2. input under voltage protection

3. output overvoltage protection

4. over-current protection

5. short circuit protection.

Question ：Can add RS485 communication protocol。

Answer:

1. Yes.

2. But need to remind the technical staff

Question : What we should note when we connect or use the DC DC converter?

Answer 

1. it must ensure that the dc input Power off when the process of dc injection.

2. DC line terminal contacts and other places that unnecessary naked, have to fully insulated.

3. Before electricity must be grounded.

4. It is strictly prohibited that to do high pressure, direct current (dc) operating in thunderstorm weather

Question：When will cause the fault indicator light up?

Answer:

when the output voltage and input voltage abnormal (Output over voltage alarm, input undervoltage

alarm)

Question ： What is the MTBF(Mean Time Between Failures) of dc converter

Answer 

1. MTBF≥100K hours

2. High reliability, simple and convenient maintenance

Question : What are the unique characteristics of rack mount DC-DC converter?

Answer

1. Cooling method: internal air cooling mode, with low noise.

2. Different protection function, with input over voltage, input reverse polarity protection; output overvoltage, over temperature protection, output over-current, short circuit protection.

3. High reliability: MTBF≥100K hours, high reliability, maintenance simple and convenient.

4. EMC characteristics: Complies with EN55022 CLASS B class standard; meet IEC61000-4 LEVEL 3 standards.

5. With input, output and alarm function normally indicates instructions.

Question : how to definition the model number for rack mount dc converter? 

Answer 

1. Mode : YK-DD [ VV ] S [ vvaa ]. For Example : YK-DD48S2410

2. YK-DD --- YUCOO Company DC Converter series

3. VV--- Input rate DC Voltage .

4. S--- Convert function / Single phase output

5. vv---Output range DC Voltage

6. aa---Outpur rate current

Question : what does the rack mount type of dc converter will apply for ?

Answer 

1. All of the rack mount design is N+1 module structure

2. Each DC modules can work in automatic equal current, can be set up for the telecommunications, electricity and wireless base stations.

Question :  what is the max capacity of each module of rack mount dc converter?

Answer 

1. The max capacity of dc module we design is 500w

2. That is to say, 48vdc output , the max current is 10A , 24VDC output , the max current is 20A

One of rack mount dc converter , it can made up by 6pcs module