M 20 Series

Designed for compact spaces, our M20 connectors provide secure power and signal transmission in automation, sensors, and control systems. Featuring threaded locking, IP67/IP69K protection, and vibration resistance, they ensure reliable performance in demanding factory and outdoor environments.

Base Products

M20 Electrical Connectors

M20,Screw, IP67/IP68, -25°C~85°C, low resistance, high insulation, 1~4A,100 cycles,250V

Category Insights

The M20 electrical connector is a circular connector with a 20mm threaded locking mechanism. It sits between M12 and M23 in size, offering a balance of compactness and power handling. These connectors feature metal or plastic housings for durability in industrial environments. Common versions have 3 to 8 pins for power and signal transmission. Many are rated IP67/IP68 for waterproof and dustproof performance. The threaded coupling ensures vibration resistance in machinery. They support moderate current loads better than M12 but are smaller than M23. Used widely in automation, they come in straight and right-angle designs for flexible installation.

M20 connectors are ideal for industrial sensors, small motors and pneumatic systems. They connect encoders and actuators in factory automation equipment. The food industry uses them in washdown areas due to their IP ratings. Transportation systems apply them in railway signaling and vehicle components. They're found in packaging machines and material handling systems. Outdoor lighting and HVAC controls often use M20 connectors. Their medium size makes them perfect where M12 is too small but M23 is oversized. Renewable energy systems use them for solar tracker connections.

M20 is larger (20mm vs 12mm) and handles more power. While M12 suits sensors, M20 fits small motors. Both offer IP67 protection but M20 has higher current capacity. M20's threading is more robust for vibration environments.

Typically 4-10A depending on pins. 3-pin versions handle higher currents than multi-pin models. Always check manufacturer specs as some industrial versions reach 16A. Proper wire gauge must match the current needs.

Most industrial M20 connectors are IP67 rated (1m waterproof). Some reach IP68 (continuous immersion). Sealing gaskets and proper tightening ensure protection. Choose shielded versions for wet/harsh conditions.

Use M20 when space is limited but need more power than M12. M23 is better for high-power motors. M20 fits compact control panels and medium-duty equipment. It's cost-effective for moderate power needs.

They accept standard industrial cables (PUR/PVC shielded). Match cable OD to connector strain relief size. Flexible cables suit moving parts. For harsh areas, use oil-resistant or high-temperature cables. Always ensure proper crimping for reliability.