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M12 Sensor Connectors by Murrelektronik

Murrelektronik offers a wide variety of M12 Sensor Connectors. Here you can find an overview of our product range of M12 Sensor Connectors:

  • We offer M12 connectors in 4-pin, 5-pin, 8-pin and many more variants with screw locking or MQ - Quick connection for sensor, data, power, and network signals.
  • Murrelektronik focuses heavily on M12 connectors for decentralized applications like moving machine parts and remote I/O modules.
  • We aim to provide easy yet robust M12 connections that withstand vibration, moisture, contamination in industrial settings.

Product Overview


Murrelektronik provides a wide range of standard and specialized M12 sensor connectors to meet our customers individual needs for signal connections in industrial environments.

Common Applications of M12 Sensor Connectors

Here are some of the most common applications where M12 sensor connectors are used:

  • Connecting proximity sensors, photoelectric sensors, encoders, vision systems, RFID readers and other sensors in industrial automation. M12 provides a robust sensor signal connection.
  • Interfacing I/O signals for programmable logic controllers (PLCs), distributed I/O modules and remote I/O blocks. M12 is standard for many industrial control products.
  • Connecting valves, motor drives, servo drives, VFDs and other actuators that require control signals. M12 withstands vibration in motion applications.
  • Man-machine interfaces and machine vision cameras. Special M12 Connectores offers high speed data transmission for HMIs and high resolution imaging.
  • M12 connectors are used extensively in Profibus, CANopen, DeviceNet or AS-i installations.
  • Ethernet based industrial communications like PROFINET, EtherNet/IP and EtherCAT networking utilize M12 connectors for high reliability in factory data networks.
  • Robotics communications to endpoints like grippers, sensors and tool changers. M12 provides secure, robust connections.
  • Servo motor feedback devices such as resolvers and encoders use M12 connectors.

M12 connectors are used to connect a wide variety of industrial devices for signals, controls, data communications and power transmission while withstanding harsh environments.

Advantages of M12 Sensor Connectors

M12 sensor connectors do offer some significant advantages over other types of connectors used in industrial sensor and control applications:

  • Robust physical construction: M12 sensor connectors are designed specifically for industrial vibration, moisture, and contamination.
    • Compact size: The small circular M12 design takes up much less space than many rectangular connectors, which is useful where space is limited.
      • Avoids misconnections: It’s impossible to plug an M12 cable in the wrong orientation since there is only one keyway. Prevents wiring errors.
        • Flexible options: Broad choice of pins counts, wiring layouts, signal types (high power, analog, digital, Ethernet), right angle connectors etc to suit specific applications.
          • Easy field wiring: IDC contacts enable simple installation by piercing cable insulation. No stripping or crimping terminal pins required.
            • Standardized for sensors: M12 is a global standard across sensor and automation device vendors, enabling compatibility and interchangeability.

            So in summary, key advantages of M12 sensor connectors are robustness suited to industry along with flexibility, ease of use and standards compliance specifically for connecting industrial sensors and controls.