Filter By

Product Category -

Designed for space-constrained applications, our M9 connectors provide reliable power and signal transmission in sensors, miniature automation, and medical devices. Featuring threaded coupling and IP67 protection, they ensure secure, vibration-resistant performance where standard-sized connectors are impractica

Base Products

M9 Electrical Connectors

M9 Electrical Connectors

M9,Solder, IP67/IP68, -25°C~85°C, low resistance, high insulation, 1~4A,100 cycles,125V

Category Insights

The M9 electrical connector is a compact circular connector with a 9mm threaded locking mechanism. It's smaller than M12 but larger than micro connectors. Typically features 3-4 pins for power or signal transmission. Offers IP67 protection against dust and water ingress. Common in plastic housings for lightweight applications. The threaded design ensures secure connections in tight spaces. Used where minimal size is critical but reliability is needed. Supports moderate current loads in compact devices. Ideal for small sensors and portable equipment. More robust than push-in connectors in vibrating environments.
Primarily used in miniature industrial sensors (pressure, temperature). Common in compact photoelectric sensors and limit switches. Found in medical monitoring devices and portable instruments. Used in wearable technology and small IoT devices. Applied in drone electronics and robotics joints. Suitable for HVAC controls and building automation. Found in laboratory measurement equipment. Used in tight spaces where M12 is too large. Popular in textile and packaging machinery sensors.
M9 is slightly larger (9mm vs 8mm threads). Offers better strain relief than M8. Handles slightly higher currents. Both are used in similar compact applications. M9 provides more secure threaded coupling than M8's push-pull.
Typically 1-2A per contact. Maximum 4A for power versions. Current decreases with more pins engaged. Always check manufacturer specifications. Not suitable for high-power applications.
Standard versions are IP67 rated (1m waterproof). Not typically IP68 rated. Require proper tightening for seal integrity. Protection depends on proper installation. Not suitable for continuous immersion.
When space is extremely limited. For lightweight sensor connections. In portable or wearable devices. Where minimal weight is critical. When only basic signal/power is needed. In cost-sensitive compact applications.
Requires small diameter cables (2-4mm). Flexible cables recommended for moving parts. Standard PVC or PUR jackets. Shielded versions available for EMI protection. Always use proper strain relief. Match cable size to connector specifications.