Product Description
The M8 Metal Nut Signal Transmission Connector is a high-performance industrial-grade connectivity solution specifically engineered for reliable data and signal transmission in demanding environments. As part of our Signal Transmission Connector series, this connector features a robust zinc alloy metal coupling nut that provides superior mechanical stability and vibration resistance. With its IP67-rated waterproof construction and electromagnetic interference shielding, the M8 connector ensures uninterrupted signal integrity in industrial automation, sensor networks, and control systems. The precision gold-plated contacts maintain excellent conductivity while preventing corrosion, making it an ideal choice for applications requiring stable signal transmission in harsh conditions including exposure to moisture, oils, and temperature variations.

Technical Specifications

• Contact Resistance: ≤5mΩ

• Insulation Resistance: ≥100MΩ

• Dielectric Strength: 500V AC for one minute

• Operating Voltage: 60V AC/DC max

• Current Rating: 4A max

• Contact Material: Gold-plated copper alloy

• Housing Material: PBT thermoplastic with metal coupling nut

• Shield Type: 360° full electromagnetic shielding

• mating Cycles: ≥100 cycles

Product Features
Advanced Shielding Technology
The connector incorporates 360° electromagnetic interference (EMI) protection, ensuring signal integrity in electrically noisy environments. The braided shielding and metal shell provide comprehensive protection against radio frequency interference.

Precision Gold-Plated Contacts
Features 3 to 5-pin configurations with gold-plated contacts (0.2μm minimum thickness) that ensure low contact resistance and stable signal transmission. The gold plating prevents oxidation and maintains reliable performance over numerous mating cycles.

Robust Metal Coupling Mechanism
The zinc alloy metal nut provides superior mechanical strength and vibration resistance compared to plastic alternatives. The threaded coupling mechanism ensures secure connections that won't loosen under vibration or mechanical stress.

IP67 Environmental Protection
Complete waterproof and dustproof performance allows operation in harsh conditions. The silicone sealing ring and precision engineering prevent moisture ingress, making it suitable for washdown environments and outdoor applications.

Temperature Resilience
Rated for operation from -40°C to +85°C, ensuring reliable performance in extreme temperature conditions encountered in industrial environments.

Quick-Connect Design
The push-pull locking mechanism enables easy installation and maintenance while providing tactile feedback when properly seated. Color-coded housing options available for easy circuit identification.

Strain Relief System
Integrated cable gland provides excellent strain relief and cable retention, protecting the internal connections from mechanical stress and pull forces.

Product Advantages
Enhanced Signal Integrity
The combination of gold-plated contacts and comprehensive EMI shielding ensures minimal signal loss and maximum data integrity, crucial for sensitive sensor applications and high-speed data transmission.

Superior Durability
The metal coupling nut and industrial-grade materials provide exceptional mechanical strength, offering 3x longer service life compared to standard Plastic connectors in high-vibration environments.

Maintenance Reduction
IP67 protection and corrosion-resistant construction significantly reduce maintenance requirements and downtime, providing reliable performance in challenging industrial conditions.

Installation Efficiency
The quick-connect design and tool-free assembly reduce installation time by up to 50% compared to traditional Threaded Connectors, while the color-coding system prevents wiring errors.

Versatile Compatibility
Compatible with various industrial protocols including IO-Link, Ethernet, and sensor connections, making it suitable for diverse automation applications without requiring multiple connector types.

Cost-Effective Solution
The durable construction and reliable performance reduce replacement costs and system downtime, providing excellent long-term value for industrial applications.

Application Fields
Industrial Automation Systems

• PLC and controller connections

• Sensor and actuator networks

• Motor control systems

• Robotic assembly lines

Process Control Instrumentation

• Level and pressure sensors

• Temperature monitoring systems

• Flow measurement devices

• Analytical instrumentation

Transportation Equipment

• Railway signaling systems

• Automotive test equipment

• Mobile machinery controls

• Marine navigation systems

Building Automation

• HVAC control systems

• Security and access control

• Energy management systems

• Lighting control networks

Renewable Energy

• Solar tracking systems

• Wind turbine sensors

• Battery monitoring systems

• Power inverters

Food and Beverage Processing

• Washdown area equipment

• Packaging machinery

• Process control sensors

• Quality monitoring systems

Frequently Asked Questions (FAQ)

Q1: What is the maximum data transmission speed supported?
A: The M8 connector supports data rates up to 100 Mbps, making it suitable for most industrial Ethernet and sensor communication protocols.

Q2: Can this connector be used in safety-critical applications?
A: While the connector provides reliable performance, it should be used in accordance with relevant safety standards and system requirements for safety-critical applications.

Q3: What cable types are recommended?
A: We recommend using shielded cables with appropriate impedance characteristics for your specific signal type. PUR or PVC cables with braided shielding provide optimal performance.

Q4: How does the metal nut improve performance?
A: The metal nut provides superior vibration resistance, better mating stability, and increased durability compared to plastic coupling nuts, especially in high-cycle applications.

Q5: Is the connector compatible with existing M8 systems?
A: Yes, it maintains standard M8 dimensions and threading, ensuring compatibility with existing installations while offering enhanced performance features.

Q6: What maintenance is required?
A: The connector requires minimal maintenance. Periodic inspection for physical damage and cleaning of contacts is recommended in harsh environments.

Q7: Are custom pin configurations available?
A: Yes, we offer custom pin arrangements and cable lengths to meet specific application requirements. Contact our engineering team for details.