M Series Circular Connector Selection Guide

M Series circular connectors Overview

M series circular connectors have been widely used in industrial automation, rail transit, aerospace and other fields because of their excellent performance and wide applicability. The M Series circular connectors are known for their compact design and reliable connectivity. Known for its strong anti-interference capability, stable signal transmission and waterproof design, it can meet the application needs of a variety of complex environments.

Types and application scenarios of M series circular connectors

Classification by function

Hybrid connector

Features: Integrated signal, data and power transmission functions, suitable for complex industrial equipment.

Applicable code: M12 series A code, B code, D code, etc., these codes support a variety of signals and power transmission.

Signal connector

Features: Support for a variety of sizes, the number of pins and layout can be customized.

Applicable coding: M12 series A code (suitable for analog and digital signal transmission), B code (suitable for high-speed data transmission).

Data connector

Features: Suitable for high-speed data transmission.

Applicable encoding: M12 series X code (support Gigabit Ethernet transmission), S code(suitable for industrial Ethernet and fieldbus).

Power connector

Features: Available in a variety of sizes and current levels for high power applications.

Applicable code: M12 series L code (for high current transmission), K code (for power and signal mixed transmission).

Special purpose connector

Features: such as waterproof, anti-vibration design, suitable for harsh environment.

Applicable code: M12 series C code (suitable for high protection level applications), M code (suitable for special environment, such as high temperature, high humidity).

Supplementary statement

Code selection: Different codes correspond to different pin layouts and functions, and the selection needs to be determined according to the specific application requirements. For example, X code is suitable for high-speed data transmission, while A code is more suitable for analog signal transmission.

Customized services: For special needs, such as specific pin configurations or levels of protection, can be designed and produced according to specific requirements.

Application scenarios

Industrial automation: M-series connectors (such as the M12 series) are suitable for signal and data transmission of process control and field equipment, with protection levels up to IP67 and above, suitable for harsh industrial environments. These connectors are widely used in devices such as robots, automated production lines, sensors and actuators.

Rail transit: In rail and subway systems, M-series connectors are used for vehicle control, signal transmission and power management. They need to be earthquake-resistant, water-resistant, dust-resistant and able to operate in extreme temperature environments.

Aerospace: M-Series connectors are widely used in aircraft and aerospace equipment due to their high reliability and ability to adapt to extreme environments. These connectors need to meet stringent military and aviation standards.

New energy and solar PV: With the continuous development of the new energy industry, photovoltaic systems need to have long-term stable connections and efficient power transmission. The high temperature and UV resistant design of the M-Series connectors ensures their long-term stable operation in outdoor photovoltaic systems.

Medical equipment: In medical equipment requiring high precision, the performance of the connector directly affects the stability of the equipment and the accuracy of data transmission. The compact design of the M-Series connectors combines high sealing and corrosion resistance to ensure signal transmission in medical devices without interference.

Marine and Marine Engineering: Marine automation systems include a variety of electronic equipment, such as engine instruments, navigators, fish detectors, etc. The M-Series connectors meet the needs of these devices in harsh Marine environments.

Communication: In systems that communicate UMTS base stations, antennas, crane wireless operation and outdoor monitoring, waterproof and 360-degree electromagnetic shielding connection solutions are required.

Measurement and detection: Precision measuring instruments and equipment need high-quality connectors for signal transmission, such as the transmission of voltage, current, force, flow, pressure and other test collection data.

Machine Vision: In industrial automation, a machine vision application connector is an optical instrument used to connect machine vision systems.

Key considerations for choosing M Series circular connectors

Electrical requirement

Rated voltage and current: Ensure that the connector can safely handle the rated voltage and current of the application.

Contact resistance and insulation resistance: Select connectors with low contact resistance and high insulation resistance to ensure the stability and reliability of signal transmission.

Environmental condition

Protection level: Select connectors with the appropriate protection level (such as IP67 or IP68) to protect against dust, moisture and chemicals.

Temperature range: Ensure that the connector can operate stably within the expected temperature range.

Mechanical specifications

Size and shape: Select a connector that matches the size and shape of the device interface.

Number and layout of pins: Select the correct number and layout of pins based on the number and type of signals that need to be transmitted.

Termination methods

Determine the preferred termination method according to the application and expertise, such as welding, crimping, screw terminals.

Connector series and compatibility

Check for a specific connector family that is commonly used or preferred in the industry or application to ensure compatibility with other devices, cables, or accessories.

Standards and certification

Look for connectors that meet relevant standards and certifications, such as MIL-SPEC, IEC or UL lists, to ensure reliability and safety

Choosing the right M-Series circular connector requires a combination of electrical requirements, environmental conditions, mechanical specifications, termination methods, compatibility, standards and certifications, as well as cost and availability. By carefully studying these aspects, you can ensure that the connector you choose will meet the needs of your specific application, thereby improving the performance and reliability of your device. I hope this guide will provide you with a valuable reference for your work. When choosing the M Series circular connectors, if in doubt, it is recommended to consult a Connoder technician for professional advice on the specific application.