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Fremont, California, November 14, 2021/PRNewswire/ - High-power connectors play an important role in providing high-reliability performance and connections for a wide range of applications. These include data centers, which are responsible for managing and storing large amounts of information and data that help drive daily operations around the world. Because these types of connectors are designed to meet specific application requirements, the following most important factors need to be considered when selecting high-power connectors for data centers.
When choosing a high-power connector, it is important to first carefully check whether its electrical and technical specifications meet the requirements for optimal operation of the data center. A key specification that requires close attention is the power rating of the connector, including the maximum voltage and current intensity that it is designed to handle. It is also important to determine the maximum operating temperature of the connector, because an increase in temperature above the maximum will reduce the power rating of the connector. This derating factor will help determine how to specify the correct power rating for a given application in the data center. Generally speaking, connectors should be specified so that their maximum power rating is higher than the environmental and electrical characteristics they may withstand in data center equipment. This is called design margin or safety margin, and it will not cause the connector to withstand electrical overstress, thereby improving the reliability and performance of the connector. For example, if an engineer needs to select a connector that can be used for applications with a rated voltage of 380Vac/25A – 380Vrms has a peak rating of about 538Vpeak and is at least 125% of the 25A referenced by the NEC (National Electrical Code) – it recommends that the connector size is greater than 600V and 32A, (representing 125% of the peak power rating). The BzKlip300 series of high-power DC bus connectors are designed for power distribution in data center servers, ultra-large-scale computing architectures, modular power supplies, rack-mounted high-power systems, and industrial applications.
Just as important as the electrical specifications of any high-power connector is its mechanical characteristics. This includes the size, measurement, and design features of the equipment-all of which create certain restrictions that may affect the installation of the connector and its performance in data center applications. Therefore, the shape and configuration file of the connector must be considered to determine whether it is compatible with the configuration of the data center. High-power connectors are required to handle high-voltage and high-current electrical loads, which in turn requires adequate isolation between connections and other devices in the system to prevent unnecessary electrical contact or interference. In addition, the cables connected to these connectors should be correctly specified to handle the maximum rated voltage and current of the connectors, and similar design margins or derating factors should be used to specify the cables. For example, a 50A connector requires a minimum cable size of 8AWG, while a 32A connector requires a minimum cable size of 10AWG. In addition, the connector contacts on the printed circuit board (PCB) need to be specified for the maximum power load and have sufficient derating. It is also important to consider how the connector will be connected to the cable and PCB-whether by screwing, soldering, or using the locking function.
After evaluating the mechanical requirements, the next step is to determine whether the high-power connector under consideration has undergone extensive testing and quality assurance to prove that it meets the most stringent safety standards required for optimal performance of the data center. According to the specific connector application in the data center, different safety standards can be applied, both for the connector as a component, and for the entire circuit and system in which it is installed. Examples include the materials used, the blade/pin configuration, the rated current, and whether they have a locking function. In addition, safety standards such as UL1977/EN61984 may apply to connectors in data, signal, and power applications. Since the on-site environment of the data center system will also affect the reliability and functionality of the connector, especially during its life cycle, some specified tests are required to meet these different environmental conditions. Examples of such tests include high humidity tests required for applications requiring waterproofing, or corrosive tests required for highly polluted environments. The connector material itself needs to comply with flammability standards (for example: UL94 V0 or V2), and may need to pass halogen-free or RoHS-compliant certification. Bizlink’s 745-07A/07B/07F/07G series AC high-power whip connectors, with a maximum of 32A/10AWG and 50A/8AWG cables, are designed for the AC input of standardized server power racks in data centers.
The final step in selecting a high-power connector for the data center is to determine any remaining key features and characteristics that will affect or affect the application design. For example, the basic standards of UL1977/EN61984/EIA-364 include requirements for temperature, contact resistance, and current derating, and specify the test procedures and standards for these applications. These include cost savings, assembly flexibility and ease of maintenance. For example, some of the problems that need to be solved are:
These are important issues to consider when deciding which high-power connector is best for your data center and its applications.
Connector suppliers should also provide detailed test reports to ensure that their connectors meet or exceed the requirements set for safety standards, as well as application requirements, including group testing and third-party agency test results.
When it comes to the electrical and mechanical requirements, quality assurance, and other related characteristics and characteristics of data center high-power connectors, it is important to consider each of these factors to ensure the best, high-reliability performance. For more information, please visit https://bit.ly/HighPowerConnectors.
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