19
Feb
2024

How to choose a switching power supply for monitoring system

The stable power supply of the monitoring system is the key to ensuring the normal operation of the equipment. When selecting a switching power supply, factors such as the number of devices, power requirements, safety and reliability need to be considered. This article will introduce how to purchase a switching power supply for a surveillance system with 10 surveillance cameras, and calculate the approximate power required.

1. Determine the power requirements of surveillance cameras

First, we need to determine the power requirements of each surveillance camera. Typically, security camera power requirements range from a few watts to a dozen watts, depending on the model and functionality. Assume that each surveillance camera has a power requirement of 5 watts.

2. Calculate total power requirements

Based on the power requirements of each surveillance camera, we can calculate the total power requirements of the entire surveillance system. 10 surveillance cameras, each camera has a power requirement of 5 watts, so the total power requirement is 10 * 5 = 50 watts.

3. Select the appropriate switching power supply

According to the total power requirement, we need to choose a switching power supply with appropriate power. In this case, we need at least one switching power supply with a power rating of 50 watts or higher to meet the needs of the system. In order to ensure the stability and reliability of the system, it is recommended to choose a switching power supply with a rated power slightly higher than the actual demand. Surveillance cameras are usually powered by 12V power supply, so we may need a 12v5A switching power supply.

4. Installation and connection

Install the selected switching power supply and connect it to the system's power input source. Next, connect the 10 surveillance cameras to the output ports of the switching power supply respectively, making sure the connections are correct and firm, and make sure the switching power supply is installed in a well-ventilated location to prevent overheating.

5. Testing and Debugging

After installation is complete, conduct testing to ensure that the switching power supply can stably power all surveillance cameras. Monitor system operation to ensure stable power supply and resolve any issues that may arise.

In conclusion

By correctly selecting the switching power supply and calculating and installing it according to actual needs, we can ensure that the monitoring system receives stable and reliable power supply. When purchasing a switching power supply, be sure to consider the total power requirements of the system, as well as factors such as safety and reliability to ensure the normal operation and long-term stability of the system.

 

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