Product Description
The M8 Connector represents precision-engineered connectivity solutions specifically designed for signal transmission in industrial automation and control systems. As a compact yet robust circular connector, the M8 series provides reliable data and signal transfer in space-constrained applications where performance cannot be compromised. Featuring IP67-rated waterproof protection and electromagnetic shielding, this connector ensures uninterrupted signal integrity even in the most challenging industrial environments. The corrosion-resistant brass body with nickel plating and precision-machined contacts guarantee long-term reliability while maintaining stable electrical characteristics. Ideal for sensors, actuators, and fieldbus connections, the M8 connector combines compact dimensions with industrial-grade performance.

Advanced Technical Features

• IP67 Environmental Protection: Complete sealing against dust, moisture, and temporary immersion up to 1 meter for 30 minutes

• EMI/RFI Shielding: 360° electromagnetic interference protection ensuring signal integrity in noisy environments

• Compact Design: 12mm diameter housing ideal for space-limited applications

• Multiple Configurations: Available in 3, 4, and 5-pin versions with various coding options (A-coded for sensors, B-coded for fieldbus, C-coded for AC power)

• Gold-Plated Contacts: Superior conductivity and corrosion resistance for reliable signal transmission

• Operating Temperature Range: -40°C to +85°C suitable for extreme environments

• Vibration Resistance: Designed to withstand mechanical stress and vibration per IEC 61076-2-104

• Quick-Connect System: Push-pull locking mechanism for secure mating and easy installation

• Cable Retention: Strain relief system providing >50N pull-out resistance

Performance Advantages
The M8 connector delivers exceptional value through its combination of compact size and industrial robustness. The electromagnetic shielding maintains signal integrity even when installed near motors, drives, and other sources of electrical noise, ensuring accurate data transmission for critical automation processes. The gold-plated contacts minimize signal loss and provide stable electrical characteristics over thousands of mating cycles. Despite its small form factor, the connector offers impressive mechanical durability with vibration resistance that meets industrial standards. The quick-connect system significantly reduces installation time while preventing incorrect mating through color-coded and keyed designs. These features make the M8 connector an ideal solution for modern industrial applications where space optimization and reliable signal transmission are equally important.

Comprehensive Application Fields

• Industrial Sensors: Proximity sensors, photoelectric sensors, and pressure transmitters

• Factory Automation: PLC I/O connections, control system interfaces

• Robotics: Joint and effector connections, encoder interfaces

• Motion Control: Servo drives and motor feedback systems

• Process Instrumentation: Flow meters, level sensors, and analytical instruments

• Transportation Systems: Railway signaling and vehicle control systems

• Building Automation: HVAC controls and energy management systems

• Food and Beverage Equipment: Washdown-rated sensor connections

Detailed Frequently Asked Questions (FAQ)

Q1: What is the difference between A-coded and B-coded M8 connectors?
A: A-coded connectors are typically used for sensors and standard I/O connections, while B-coded connectors are designed for fieldbus protocols such as PROFIBUS and DeviceNet. The coding prevents mismating between different system components.

Q2: Can M8 connectors be used in outdoor applications?
A: Yes, the IP67 rating makes them suitable for outdoor use. However, for permanent outdoor installation, additional protection from direct weather exposure is recommended to maximize service life.

Q3: What is the maximum data transmission speed supported?
A: Depending on the configuration and cable used, M8 connectors can support data rates up to 100 Mbps for industrial Ethernet applications when using appropriate fieldbus versions.

Q4: How do I ensure proper shielding effectiveness?
A: Use properly shielded cables and ensure the cable shield is correctly terminated to the connector's shield clamp. The metal shell must make continuous 360° contact with the mating connector for optimal EMI protection.

Q5: Are these connectors compatible with other brands?
A: While M8 connectors follow international standards, compatibility depends on specific coding and pin configurations. We recommend verifying specifications before interconnecting with other brands.

Q6: What maintenance is required for M8 connectors?
A: Minimal maintenance is needed. Periodic inspection for physical damage and cleaning of contacts with appropriate solvents is sufficient. The connectors are designed for long-term reliability in industrial environments.

Technical Specifications Summary

• Contact Resistance: <10mΩ

• Insulation Resistance: >1000MΩ

• Voltage Rating: 60V AC/DC

• Current Rating: 4A per contact

• Mating Cycles: >1000 cycles

• Housing Material: Brass with nickel plating

• Insulator Material: PBT thermoplastic

• Contact Material: Copper alloy with gold plating

• Shield Effectiveness: >60dB at 100MHz

• Cable Range: 3-6mm outer diameter