6 Key Factors to Consider in Industrial Connectors


Connectivity is the backbone of industrial applications, enabling seamless communication and power delivery. Several key factors must be considered when selecting the appropriate connectors for commercial use. These factors ensure reliable and efficient connectivity in diverse business environments. Here, we’ll explore six key factors when choosing industrial connectors.

Wire gauges:

Wire gauge refers to the thickness or diameter of the electrical wire attached to the connector. Selecting a connector compatible with the wire gauge is essential to a safe and reliable electrical connection. Using connectors with appropriate wire gauge compatibility prevents loose connections, overheating, or voltage drops. These problems can affect system performance and security.

Current rating:

The current rating of a commercial connector determines its capacity to handle the electrical current flowing through it. It is crucial to select a connector with a current rating that meets or exceeds the maximum power requirements of the application. Choosing a connector with a lower current rating may cause overheating and damage. In contrast, a connector with a higher current rating than necessary may lead to unnecessary costs and increased size. Carefully consider the system’s maximum power demands to select the appropriate connector.


Industrial environments vary greatly, from clean and controlled settings to harsh and demanding conditions. Extreme temperatures, humidity, moisture, chemical exposure, and vibration can affect connector performance and durability. Be sure that the connector chosen is designed to withstand the specific environmental conditions under which it will be deployed. It will enable it to maintain reliable connectivity for longer periods.

Standards Approval:

When selecting business connectors, it is imperative to consider whether they meet industry standards and certifications. Compliance with standards ensures connectors undergo rigorous testing and meet quality and performance criteria. Look for connectors approved by recognised standards organisations such as UL (Underwriters Laboratories), CSA (Canadian Standards Association), or IEC (International Electrotechnical Commission) to ensure reliability, safety, and compatibility with industry norms.

IP Rating:

A connector’s IP (ingress protection) rating indicates its protection against dust and moisture. The IP rating consists of two numbers: the first digit represents dust protection, and the second digit represents moisture protection. For example, an IP67-rated connector offers high dust protection and withstands water immersion up to a certain depth.

Engagement Force:

Engagement force refers to the energy required to mate and unmute the connectors. This factor is particularly critical in applications requiring frequent connections and disconnections. Choosing connectors with appropriate engagement forces can impact the ease of installation and maintenance as well as the durability of the connector. Connectors that require excessive force may result in difficulties during assembly or potential damage to the connectors or equipment. Select connectors with a suitable engagement force that balances secure connections and ease of use.

By carefully evaluating these factors, enterprises can ensure reliable and efficient connectivity, optimise performance, and maintain industrial systems’ security and longevity. It is advisable to consult with industry experts or connector manufacturers to identify industrial connectors best suited to specific applications. Visit Allied Electronics Corporation for more information.

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