M 12 Series

Our M12 connectors deliver reliable power, signal, and data transmission in harsh environments. With threaded coupling, IP67/IP69K protection, and vibration resistance, they're ideal for factory automation, robotics, and transportation systems—ensuring secure connections in dust, moisture, and extreme temperatures.

Base Products

M12 Electrical Connectors

M12,Screw, IP67/IP68, -25°C~85°C, low resistance, high insulation, 1~4A,100 cycles,250V

Category Insights

The M12 electrical connector is a circular connector with a 12mm threaded locking mechanism. It's one of the most popular industrial connectors worldwide. Available in 3 to 8-pin configurations for power, signal, and data transmission. Features IP67/IP68/IP69K ratings for water, dust, and chemical resistance. Comes in plastic or metal housings with color-coded shells indicating function (sensors, power, Ethernet). The threaded coupling provides secure connections in high-vibration environments. Used extensively in factory automation and harsh industrial settings. Supports various protocols including Ethernet, PROFINET, and CAN bus. Smaller than M16/M23 but larger than micro connectors.

M12 connectors dominate industrial automation for sensors (proximity, photoelectric). Essential in robotics for motor and encoder connections. Used in food/beverage plants for washdown equipment. Common in transportation systems (rail, automotive). Critical for industrial Ethernet networks (PROFINET, EtherCAT). Applied in renewable energy systems (solar trackers). Found in packaging machinery and material handling. Used for outdoor LED lighting. Perfect for harsh environment IoT devices. Supports fieldbus networks in process automation.

Black = general sensors/profibus Gray = PROFINET/Ethernet Blue = push-pull signal White = fieldbus Yellow = IO-Link Green = power supply Purple = CAN bus Red = high voltage Color coding helps prevent mismating in complex systems.

Yes, M12-D-coded (4-pin) and X-coded (8-pin) support Ethernet. D-code handles standard industrial Ethernet (100Mbps). X-code supports Gigabit Ethernet (Cat6A performance). Proper shielding is critical for noise immunity. Always match coding to equipment requirements.

Standard A-coded: 4A B-coded: 2A Power versions (S-coded): 12-16A Ethernet versions: 0.5-1A per pair High-power L-coded: up to 16A Always check manufacturer specs for exact ratings.

Straight: Standard for panel/cable connections Right-angle: Saves space in tight installations Consider cable routing and strain relief needs Right-angle versions may have slightly higher failure rates in high-vibration apps.

Most industrial M12s are IP67 (1m waterproof) IP68 versions for continuous immersion IP69K for high-pressure washdown Require proper tightening (1.5-2Nm torque) Check O-ring condition regularly Unmated connectors need protective caps.