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What is the difference between an M8 Socket and M12 Socket conne

M8 Socket and M12 Socket connectors are both circular connectors widely used in industrial and automation applications. Despite their similarities, they have some significant differences that make each suitable for specific uses. In this article, we’ll discuss the key difference between M8 Socket and M12 Socket connectors.

Size and Pin Configuration

One of the most notable differences between M8 Socket and M12 Socket connectors is their size and pin configuration. M8 Socket connectors have a larger shell diameter of 23mm, while M12 Socket connectors have a 12mm diameter. Due to their larger size, M8 Socket connectors can have more pins, typically 8 to 19, while M12 Socket connectors usually have up to 8 pins.

Performance

M8 Socket connectors are designed for high-performance applications that require high voltage and current transmission. They are capable of carrying up to 28A of current and up to 850V of voltage. The larger diameter of the M8 Socket connector shell also allows for a larger cross-sectional area, making it suitable for high current applications. On the other hand, M12 Socket connectors are designed to transmit lower power signals with smaller current and voltage capacities of up to 4A and 250V, respectively.

Environmental Protection

M8 Socket and M12 Socket connectors also differ in their environmental protection. While both connectors come with IP ratings, M8 Socket connectors provide a higher degree of protection at IP67 or IP68. These ratings indicate that M8 Socket connectors are dust-tight and can withstand temporary submersion in water. M12 Socket connectors, on the other hand, offer a lower rating of IP67 or IP68, indicating protection against dust and temporary immersion of up to one meter.

Applications

M8 Socket connectors are commonly used in high-current industrial and automation applications, such as servo motors, high-speed machinery, and industrial robots. M12 Socket connectors, on the other hand, are commonly used in low-current applications, such as sensors, actuators, and fieldbus systems.

Cost

Since M8 Socket connectors are designed for high-performance and high-current applications, they are usually more expensive than M12 Socket connectors. M12 Socket connectors are smaller, designed for low-power applications, and are often used in higher volumes, making them a more cost-effective solution.

M8 Socket and M12 Socket connectors have their unique differences that make each suitable for specific uses. M8 Socket connectors are larger, designed for high-current applications, and offer better environmental protection. M12 Socket connectors are smaller, designed for low-current applications, and are cost-effective for high volume usage. Understanding the differences between these two connectors can help you choose the appropriate connector for your industrial and automation applications.

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