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- Industrial-Grade Connectivity: Designed for robust Ethernet communication between field devices and network infrastructure in industrial automation, transportation, and outdoor applications.
- Connector Type: 4-pin M12 male (A-coded) to 4-pin RJ45 plug.
- Cable Length: 3 meters (approx. 9.84 feet).
- A-Coding Standard: Ensures compatibility with A-coded M12 Ethernet ports commonly used for 10/100 Mbps Ethernet connections.
- High Signal Integrity: Optimized for stable data transmission with minimal signal loss and interference.
- Durable Construction: Built to withstand vibration, moisture, dust, and mechanical stress typical of industrial environments.
- Plug-and-Play Design: Simplifies installation and maintenance, allowing quick connection between M12-enabled devices and RJ45 network equipment.
- Versatile Application: Suitable for Ethernet-based fieldbus systems, PLCs, sensors, actuators, and industrial switches.
- Ruggedized Jacket: Resistant to oil, chemicals, and abrasion, ensuring long service life even in demanding conditions.
- Reliable Contact Interface: Gold-plated contacts provide corrosion resistance and consistent electrical performance.
- Connector Type: 4-pin M12 male (A-coded) to 4-pin RJ45 plug.
- Cable Length: 3 meters (approx. 9.84 feet).
- A-Coding Standard: Ensures compatibility with A-coded M12 Ethernet ports commonly used for 10/100 Mbps Ethernet connections.
- High Signal Integrity: Optimized for stable data transmission with minimal signal loss and interference.
- Durable Construction: Built to withstand vibration, moisture, dust, and mechanical stress typical of industrial environments.
- Plug-and-Play Design: Simplifies installation and maintenance, allowing quick connection between M12-enabled devices and RJ45 network equipment.
- Versatile Application: Suitable for Ethernet-based fieldbus systems, PLCs, sensors, actuators, and industrial switches.
- Ruggedized Jacket: Resistant to oil, chemicals, and abrasion, ensuring long service life even in demanding conditions.
- Reliable Contact Interface: Gold-plated contacts provide corrosion resistance and consistent electrical performance.
Comprehensive Product Summary: M12C-4MRJ-300 – 4-pin M12 Male to 4-pin RJ45 Ethernet Cable (3m, A-coding)
### 1. Product Overview
Product Name: 4-pin M12 Male to 4-pin RJ45 Ethernet Cable
Model Number: M12C-4MRJ-300
Article Number: M12C-4MRJ-300
Series: M12C Series – Industrial Ethernet Connectivity Solutions
Manufacturer: ORing Industrial Networking Corp.
Product Category: Industrial Ethernet Cable / M12 to RJ45 Connectivity
Website: [www.oring-networking.com](http://www.oring-networking.com)
The M12C-4MRJ-300 is a high-quality industrial-grade Ethernet cable designed to connect M12 interface devices to standard RJ45 Ethernet ports. It features a 4-pin M12 male connector on one end and a 4-pin RJ45 plug on the other, with a total cable length of 3 meters. The cable uses A-coding for pin configuration, ensuring compatibility with standard A-coded M12 Ethernet interfaces. It is part of ORing’s ruggedized M-series cable line, engineered for reliable data transmission in harsh industrial environments.
### 2. Key Features
- Industrial-Grade Connectivity: Designed for robust Ethernet communication between field devices and network infrastructure in industrial automation, transportation, and outdoor applications.
- Connector Type: 4-pin M12 male (A-coded) to 4-pin RJ45 plug.
- Cable Length: 3 meters (approx. 9.84 feet).
- A-Coding Standard: Ensures compatibility with A-coded M12 Ethernet ports commonly used for 10/100 Mbps Ethernet connections.
- High Signal Integrity: Optimized for stable data transmission with minimal signal loss and interference.
- Durable Construction: Built to withstand vibration, moisture, dust, and mechanical stress typical of industrial environments.
- Plug-and-Play Design: Simplifies installation and maintenance, allowing quick connection between M12-enabled devices and RJ45 network equipment.
- Versatile Application: Suitable for Ethernet-based fieldbus systems, PLCs, sensors, actuators, and industrial switches.
- Ruggedized Jacket: Resistant to oil, chemicals, and abrasion, ensuring long service life even in demanding conditions.
- Reliable Contact Interface: Gold-plated contacts provide corrosion resistance and consistent electrical performance.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | M12C-4MRJ-300 |
| Cable Type | Ethernet cable (M12 to RJ45) |
| Connector 1 | 4-pin M12 Male, A-coded |
| Connector 2 | 4-pin RJ45 Plug |
| Number of Pins | 4 |
| Coding Type | A-coding |
| Cable Length | 3 meters |
| Cable Diameter | Approx. 6–8 mm (typical for industrial Ethernet cables) |
| Material (Cable Jacket) | Industrial-grade PVC or PUR (Polyurethane) |
| Color | Typically black or gray (industrial standard) |
| Shielding | Shielded twisted pair (STP) for EMI protection |
| Operating Temperature Range | -25°C to +80°C (typical for industrial Ethernet cables) |
| Ingress Protection (M12 side) | IP67 when mated |
| Transmission Rate | Up to 100 Mbps (Fast Ethernet) |
| Conductor Material | Tinned copper |
| Insulation Resistance | ≥ 100 MΩ @ 500V DC |
| Contact Resistance | ≤ 10 mΩ |
| Rated Voltage | 30V AC/DC |
| Rated Current | 4A per contact (max) |
| Bend Radius | ≥ 10 × cable diameter |
| Compliance | RoHS compliant |
### 4. Functionality
The M12C-4MRJ-300 functions as a hybrid Ethernet interconnect cable, bridging the gap between ruggedized M12 Ethernet interfaces and standard RJ45 network ports.
- How It Works:
The M12 male connector attaches to field devices such as industrial sensors, controllers, or Ethernet-enabled machinery that use M12 A-coded ports. The RJ45 plug connects to standard Ethernet switches, routers, or computers. The cable transmits Ethernet signals (10/100 Mbps) over twisted-pair conductors, maintaining signal integrity across the 3-meter length.
- Use Cases:
- Industrial automation systems (PLC-to-switch connections)
- Machine vision and robotics networks
- Transportation and railway communication systems
- Outdoor or mobile Ethernet-enabled equipment
- Factory floor Ethernet installations
- Industrial control panels and distributed I/O systems
- Compatibility:
- Compatible with all A-coded M12 Ethernet ports (4-pin).
- Works with standard RJ45 Ethernet interfaces (Cat5/Cat5e equivalent).
- Suitable for ORing industrial switches, routers, and Ethernet I/O modules.
### 5. Components & Accessories
Included Components:
- 1 × M12C-4MRJ-300 cable assembly (3m length)
- Factory-terminated connectors (M12 male and RJ45 plug)
- Pre-tested for continuity and performance
Optional Accessories (from ORing product line):
- M12C-4M4M-300: 4-pin M12 male to 4-pin M12 male Ethernet cable, 3m, A-coding
- M12C-4M4F-1000: 4-pin M12 male to 4-pin M12 female Ethernet cable, 10m, A-coding
- M12C-4M4F-3000: 4-pin M12 male to 4-pin M12 female Ethernet cable, 30m, A-coding
- M12C-4MRJ-300D: 4-pin M12 male to RJ45 plug Ethernet cable, 3m, D-coding (for Gigabit Ethernet)
- M12C-5MDB9-300: 5-pin M12 male to DB9 console cable, 3m, A-coding
- M23C-5M00-300: 5-pin M23 male to bare wire power cable, 3m, A-coding
Complementary Accessories:
- DIN-rail power supplies (DR-4512, DR-75-24, SDR-240-48, etc.)
- RF antenna bases and cables for wireless networking
- Fiber patch cords and SFP modules for extended network integration
### 6. Installation & Setup
Installation Requirements:
- Compatible M12 A-coded female port on the device side.
- Standard RJ45 Ethernet port on the network side.
- Ensure both connectors are clean and free from debris before mating.
Mounting & Routing:
- Route the cable away from high-voltage lines or sources of electromagnetic interference.
- Maintain the minimum bend radius (≥10× cable diameter) to prevent conductor damage.
- Secure the cable using cable ties or clamps to reduce mechanical stress.
Configuration:
- No software configuration required; plug-and-play operation.
- Verify link status via device LEDs after connection.
- For IP67 protection, ensure the M12 connector is fully tightened and properly sealed.
Environmental Considerations:
- Suitable for indoor and outdoor use when properly mated.
- Resistant to oil, vibration, and mechanical impact.
- Avoid prolonged exposure to direct sunlight unless UV-resistant jacket is specified.
### 7. Performance & Capabilities
- Transmission Speed: Supports 10/100 Mbps Ethernet communication.
- Signal Integrity: Shielded twisted-pair design minimizes crosstalk and EMI.
- Mechanical Durability: M12 connectors rated for >100 mating cycles.
- Environmental Resistance: IP67 protection on M12 side ensures dust-tight and water-resistant performance when connected.
- Electrical Performance:
- Low contact resistance ensures stable data transmission.
- High insulation resistance prevents leakage currents.
- Temperature Stability: Maintains performance across wide industrial temperature ranges.
- Limitations:
- Not suitable for Gigabit Ethernet (use D-coded or X-coded variants for 1 Gbps or higher).
- Maximum recommended cable length for 100 Mbps Ethernet is 100 meters; this model provides 3 meters for short-run connections.
### 8. Standards & Compliance
- Coding Standard: M12 A-coding (IEC 61076-2-101 compliant)
- Ethernet Standard: IEEE 802.3 (10BASE-T / 100BASE-TX)
- Ingress Protection: IP67 (M12 side, when mated)
- RoHS Compliance: Fully compliant with EU RoHS Directive for hazardous substances
- REACH Compliance: Meets REACH environmental regulations
- Electrical Safety: Conforms to low-voltage directive requirements
- EMC Shielding: Designed to meet industrial electromagnetic compatibility standards
- Quality Assurance: Factory-tested for continuity, insulation resistance, and signal performance
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–3 years depending on region and distributor).
- Covers manufacturing defects and connector integrity under normal operating conditions.
Support & Documentation:
- Full technical datasheets and pinout diagrams available from ORing Industrial Networking Corp.
- Installation guides and compatibility charts provided for system integrators.
- Technical support available via ORing’s global support network.
Maintenance:
- Periodically inspect connectors for wear or contamination.
- Clean contacts with appropriate electronic contact cleaner if necessary.
- Avoid excessive bending or pulling on the cable during operation.
Product Lifecycle & Updates:
- Part of ORing’s ongoing M12C series product line, ensuring long-term availability and compatibility with future industrial Ethernet devices.
- Updated versions (e.g., D-coded or X-coded) available for higher-speed Ethernet applications.
### Summary
The M12C-4MRJ-300 is a rugged, industrial-grade Ethernet cable engineered for reliable connectivity between M12 A-coded field devices and RJ45 network interfaces. With its 3-meter length, 4-pin configuration, and A-coding standard, it provides a robust solution for 10/100 Mbps Ethernet communication in demanding environments.
Its IP67-rated M12 connector, shielded twisted-pair construction, and durable jacket make it ideal for use in factory automation, transportation, and outdoor industrial networks. The cable’s plug-and-play design simplifies installation, while compliance with IEC, IEEE, and RoHS standards ensures safety, reliability, and environmental responsibility.
As part of ORing’s M12C series, the M12C-4MRJ-300 integrates seamlessly with a wide range of industrial networking equipment, offering dependable performance and long service life in mission-critical Ethernet applications.
Manufacturer: ORing Industrial Networking Corp.
Model: M12C-4MRJ-300
Description: 4-pin M12 Male to 4-pin RJ45 Ethernet Cable, 3m, A-coding
Category: Industrial Ethernet Connectivity
Website: [www.oring-networking.com](http://www.oring-networking.com)
Designed for Rugged Excellence.
### 1. Product Overview
Product Name: 4-pin M12 Male to 4-pin RJ45 Ethernet Cable
Model Number: M12C-4MRJ-300
Article Number: M12C-4MRJ-300
Series: M12C Series – Industrial Ethernet Connectivity Solutions
Manufacturer: ORing Industrial Networking Corp.
Product Category: Industrial Ethernet Cable / M12 to RJ45 Connectivity
Website: [www.oring-networking.com](http://www.oring-networking.com)
The M12C-4MRJ-300 is a high-quality industrial-grade Ethernet cable designed to connect M12 interface devices to standard RJ45 Ethernet ports. It features a 4-pin M12 male connector on one end and a 4-pin RJ45 plug on the other, with a total cable length of 3 meters. The cable uses A-coding for pin configuration, ensuring compatibility with standard A-coded M12 Ethernet interfaces. It is part of ORing’s ruggedized M-series cable line, engineered for reliable data transmission in harsh industrial environments.
### 2. Key Features
- Industrial-Grade Connectivity: Designed for robust Ethernet communication between field devices and network infrastructure in industrial automation, transportation, and outdoor applications.
- Connector Type: 4-pin M12 male (A-coded) to 4-pin RJ45 plug.
- Cable Length: 3 meters (approx. 9.84 feet).
- A-Coding Standard: Ensures compatibility with A-coded M12 Ethernet ports commonly used for 10/100 Mbps Ethernet connections.
- High Signal Integrity: Optimized for stable data transmission with minimal signal loss and interference.
- Durable Construction: Built to withstand vibration, moisture, dust, and mechanical stress typical of industrial environments.
- Plug-and-Play Design: Simplifies installation and maintenance, allowing quick connection between M12-enabled devices and RJ45 network equipment.
- Versatile Application: Suitable for Ethernet-based fieldbus systems, PLCs, sensors, actuators, and industrial switches.
- Ruggedized Jacket: Resistant to oil, chemicals, and abrasion, ensuring long service life even in demanding conditions.
- Reliable Contact Interface: Gold-plated contacts provide corrosion resistance and consistent electrical performance.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | M12C-4MRJ-300 |
| Cable Type | Ethernet cable (M12 to RJ45) |
| Connector 1 | 4-pin M12 Male, A-coded |
| Connector 2 | 4-pin RJ45 Plug |
| Number of Pins | 4 |
| Coding Type | A-coding |
| Cable Length | 3 meters |
| Cable Diameter | Approx. 6–8 mm (typical for industrial Ethernet cables) |
| Material (Cable Jacket) | Industrial-grade PVC or PUR (Polyurethane) |
| Color | Typically black or gray (industrial standard) |
| Shielding | Shielded twisted pair (STP) for EMI protection |
| Operating Temperature Range | -25°C to +80°C (typical for industrial Ethernet cables) |
| Ingress Protection (M12 side) | IP67 when mated |
| Transmission Rate | Up to 100 Mbps (Fast Ethernet) |
| Conductor Material | Tinned copper |
| Insulation Resistance | ≥ 100 MΩ @ 500V DC |
| Contact Resistance | ≤ 10 mΩ |
| Rated Voltage | 30V AC/DC |
| Rated Current | 4A per contact (max) |
| Bend Radius | ≥ 10 × cable diameter |
| Compliance | RoHS compliant |
### 4. Functionality
The M12C-4MRJ-300 functions as a hybrid Ethernet interconnect cable, bridging the gap between ruggedized M12 Ethernet interfaces and standard RJ45 network ports.
- How It Works:
The M12 male connector attaches to field devices such as industrial sensors, controllers, or Ethernet-enabled machinery that use M12 A-coded ports. The RJ45 plug connects to standard Ethernet switches, routers, or computers. The cable transmits Ethernet signals (10/100 Mbps) over twisted-pair conductors, maintaining signal integrity across the 3-meter length.
- Use Cases:
- Industrial automation systems (PLC-to-switch connections)
- Machine vision and robotics networks
- Transportation and railway communication systems
- Outdoor or mobile Ethernet-enabled equipment
- Factory floor Ethernet installations
- Industrial control panels and distributed I/O systems
- Compatibility:
- Compatible with all A-coded M12 Ethernet ports (4-pin).
- Works with standard RJ45 Ethernet interfaces (Cat5/Cat5e equivalent).
- Suitable for ORing industrial switches, routers, and Ethernet I/O modules.
### 5. Components & Accessories
Included Components:
- 1 × M12C-4MRJ-300 cable assembly (3m length)
- Factory-terminated connectors (M12 male and RJ45 plug)
- Pre-tested for continuity and performance
Optional Accessories (from ORing product line):
- M12C-4M4M-300: 4-pin M12 male to 4-pin M12 male Ethernet cable, 3m, A-coding
- M12C-4M4F-1000: 4-pin M12 male to 4-pin M12 female Ethernet cable, 10m, A-coding
- M12C-4M4F-3000: 4-pin M12 male to 4-pin M12 female Ethernet cable, 30m, A-coding
- M12C-4MRJ-300D: 4-pin M12 male to RJ45 plug Ethernet cable, 3m, D-coding (for Gigabit Ethernet)
- M12C-5MDB9-300: 5-pin M12 male to DB9 console cable, 3m, A-coding
- M23C-5M00-300: 5-pin M23 male to bare wire power cable, 3m, A-coding
Complementary Accessories:
- DIN-rail power supplies (DR-4512, DR-75-24, SDR-240-48, etc.)
- RF antenna bases and cables for wireless networking
- Fiber patch cords and SFP modules for extended network integration
### 6. Installation & Setup
Installation Requirements:
- Compatible M12 A-coded female port on the device side.
- Standard RJ45 Ethernet port on the network side.
- Ensure both connectors are clean and free from debris before mating.
Mounting & Routing:
- Route the cable away from high-voltage lines or sources of electromagnetic interference.
- Maintain the minimum bend radius (≥10× cable diameter) to prevent conductor damage.
- Secure the cable using cable ties or clamps to reduce mechanical stress.
Configuration:
- No software configuration required; plug-and-play operation.
- Verify link status via device LEDs after connection.
- For IP67 protection, ensure the M12 connector is fully tightened and properly sealed.
Environmental Considerations:
- Suitable for indoor and outdoor use when properly mated.
- Resistant to oil, vibration, and mechanical impact.
- Avoid prolonged exposure to direct sunlight unless UV-resistant jacket is specified.
### 7. Performance & Capabilities
- Transmission Speed: Supports 10/100 Mbps Ethernet communication.
- Signal Integrity: Shielded twisted-pair design minimizes crosstalk and EMI.
- Mechanical Durability: M12 connectors rated for >100 mating cycles.
- Environmental Resistance: IP67 protection on M12 side ensures dust-tight and water-resistant performance when connected.
- Electrical Performance:
- Low contact resistance ensures stable data transmission.
- High insulation resistance prevents leakage currents.
- Temperature Stability: Maintains performance across wide industrial temperature ranges.
- Limitations:
- Not suitable for Gigabit Ethernet (use D-coded or X-coded variants for 1 Gbps or higher).
- Maximum recommended cable length for 100 Mbps Ethernet is 100 meters; this model provides 3 meters for short-run connections.
### 8. Standards & Compliance
- Coding Standard: M12 A-coding (IEC 61076-2-101 compliant)
- Ethernet Standard: IEEE 802.3 (10BASE-T / 100BASE-TX)
- Ingress Protection: IP67 (M12 side, when mated)
- RoHS Compliance: Fully compliant with EU RoHS Directive for hazardous substances
- REACH Compliance: Meets REACH environmental regulations
- Electrical Safety: Conforms to low-voltage directive requirements
- EMC Shielding: Designed to meet industrial electromagnetic compatibility standards
- Quality Assurance: Factory-tested for continuity, insulation resistance, and signal performance
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 1–3 years depending on region and distributor).
- Covers manufacturing defects and connector integrity under normal operating conditions.
Support & Documentation:
- Full technical datasheets and pinout diagrams available from ORing Industrial Networking Corp.
- Installation guides and compatibility charts provided for system integrators.
- Technical support available via ORing’s global support network.
Maintenance:
- Periodically inspect connectors for wear or contamination.
- Clean contacts with appropriate electronic contact cleaner if necessary.
- Avoid excessive bending or pulling on the cable during operation.
Product Lifecycle & Updates:
- Part of ORing’s ongoing M12C series product line, ensuring long-term availability and compatibility with future industrial Ethernet devices.
- Updated versions (e.g., D-coded or X-coded) available for higher-speed Ethernet applications.
### Summary
The M12C-4MRJ-300 is a rugged, industrial-grade Ethernet cable engineered for reliable connectivity between M12 A-coded field devices and RJ45 network interfaces. With its 3-meter length, 4-pin configuration, and A-coding standard, it provides a robust solution for 10/100 Mbps Ethernet communication in demanding environments.
Its IP67-rated M12 connector, shielded twisted-pair construction, and durable jacket make it ideal for use in factory automation, transportation, and outdoor industrial networks. The cable’s plug-and-play design simplifies installation, while compliance with IEC, IEEE, and RoHS standards ensures safety, reliability, and environmental responsibility.
As part of ORing’s M12C series, the M12C-4MRJ-300 integrates seamlessly with a wide range of industrial networking equipment, offering dependable performance and long service life in mission-critical Ethernet applications.
Manufacturer: ORing Industrial Networking Corp.
Model: M12C-4MRJ-300
Description: 4-pin M12 Male to 4-pin RJ45 Ethernet Cable, 3m, A-coding
Category: Industrial Ethernet Connectivity
Website: [www.oring-networking.com](http://www.oring-networking.com)
Designed for Rugged Excellence.
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