The M12 4-pin connector is a compact and versatile circular connector commonly used in industrial and automation applications. It features a threaded coupling mechanism that ensures secure and reliable connections, even in harsh environments. The "M12" designation refers to the connector's diameter, which is approximately 12 millimeters. The 4-pin configuration typically consists of four electrical contacts within the connector. These contacts can be used for various purposes, such as data transmission, power supply, or sensor connections, depending on the specific application. M12 4-pin connectors are known for their robustness and resistance to environmental factors. They are often designed to meet IP67 or higher ratings, making them waterproof and dustproof. This makes them suitable for use in industrial settings, including manufacturing, factory automation, and process control. These connectors are available in various coding options, ensuring that the correct connector is used for a specific application and preventing mismating. M12 connectors have become a standard choice for many industrial and automotive applications due to their reliability, versatility, and ease of installation, making them an essential component in modern automation and machinery.