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M12 4Pin A Coded Male Straight Plug IP67 Connector for Industrial Automation

>Number Of CoresNumber Of Cores 4 Pin
Contact DiameterContact Diameter(mm) 0.5mm
IP RatingIP Rating IP67
Shell MaterialShell Material Nickel-Plated Copper Alloy
Temperature RangeTemperature Range -25°C ~ +85°C
TerminationTermination Solder/Crimp
Rated CurrentRated Current(A) 2A
Rated VoltageRated Voltage(Ac.V) 200V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) ≥100 mΩ
Contact ResistanceContact Resistance (MΩ) ≤10 mΩ
CertificationCertification
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1.Product Overview

The M12 4 Pin A Coded Male Straight Plug IP67 Connector is a standard circular connector widely used in industrial automation systems. Designed with a 12 millimeter threaded interface and A coded pin arrangement, this model is optimized for sensor and actuator connections.
M12 Connector.jpg

Its compact structure combined with industrial grade sealing makes it suitable for factory environments where stable signal transmission and mechanical reliability are required.


2.A Coded 4 Pin Configuration for Sensor Applications

The 4 pin A coded layout is commonly used for DC sensor and actuator wiring.

Typical wiring applications include:

1.Proximity sensors
2.Photoelectric sensors
3.Pressure transmitters
4.Industrial switches
5.Actuator control units

The A coded keying design prevents mismating with other coded connectors, ensuring correct installation in automation networks.


3.Male Straight Plug Structure for Direct Cable Routing

This specific model is designed as a male straight plug, allowing direct and structured cable output.

Advantages include:


1.Simple front facing installation
2.Stable threaded locking engagement
3.Reduced cable stress during connection
4.Compatibility with standard M12 female panel receptacles

The straight plug version is commonly installed in control cabinets and machine side interfaces.

M12.jpg

4.IP67 Protection for Industrial Environments

When properly connected, the M12 4 Pin A Coded Male Straight Plug achieves IP67 protection.

This level of sealing provides:

1.Complete dust protection
2.Resistance to temporary water immersion
3.Reliable operation in humid environments
4.Improved durability in factory production lines

The integrated sealing ring and threaded locking system ensure consistent environmental protection.


5.Electrical and Performance Characteristics

This model is typically designed for sensor level electrical transmission and stable low voltage operation.

Common application performance includes:

1.Reliable signal transmission
2.Stable contact engagement
3.Low contact resistance
4.High insulation reliability
5.Secure anti vibration locking

Gold plated contacts are often used to improve conductivity and corrosion resistance, especially in long term industrial use.

Detailed technical specifications are available in the dedicated specification table.


6.Metal Housing and Mechanical Durability

The connector housing is usually manufactured from nickel plated brass to ensure mechanical strength and long service life.

Key structural benefits include:

1.Strong threaded interface
2.Resistance to wear from repeated mating cycles
3.Mechanical stability under cable tension
4.Basic electromagnetic shielding capability

The durable construction supports continuous industrial operation.

M12插.jpg

7.Application Scenarios in Automation Systems

The M12 4 Pin A Coded Male Straight Plug IP67 is widely used in:

1.Industrial automation equipment
2.Sensor and actuator networks
3.Conveyor systems
4.Robotics
5.Packaging machinery
6.CNC systems


Conclusion

The M12 4 Pin A Coded Male Straight Plug IP67 Connector is a reliable and standardized solution for industrial sensor and actuator connections. With its A coded keying structure, threaded locking system, IP67 environmental protection, and durable metal housing, it delivers stable performance in demanding automation environments.

For detailed specifications or bulk purchase inquiries, contact our team for professional support.

Item

Parameters

Number of Cores

4 Pin

Gender

Male/Female

Housing Material

Nickel-Plated Copper Alloy

Locking System

Screw Locking

Temperature Range

-25°C~ +85°C

Rated Current (A)

2 A

Rated Voltage (AC.V)

200V

Test Voltage (AV.C)1Min

1500 V

Insulation Resistance ()

1000 

Contact Resistance ()

 10 

Termination

Solder/Crimp


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Customer Reviews

   

Score
 Remove

Review Title

Review Text

   Solid Choice


SilverPath  2026-02-04

These M12 Connectors feel premium and perform consistently.
   Professional Grade


CloudTrace  2026-02-04

Industrial-quality M12 Connectors that work exactly as needed.
   Perfect for Industrial Use


BluePioneer  2026-02-04

Strong M12 Connectors that handle vibration and daily use well.
   Smooth Connection


StarNester  2026-02-04

M12 Connectors mate easily and stay firmly in place.
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Email: info@kmydconnector.com

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Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China

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