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M8 Circular Connector and Cable Assemblies

Understanding M8 Connectors and Cable assemblies

M8 connectors are circular connectors known for their miniature size, they are smaller than M12 connectors, typically featuring a thread diameter of 8mm. Despite their small stature, these connectors offer a reliable and secure connection, making them ideal for space-constrained installations.

Key Features and Applications

  1. Compact Design: The compactness of M8 and M12 connector system makes them suitable for applications where space is limited, such as in sensors, actuators, and small-scale machinery.
  2. Diverse Configurations: Wide range of M8 circular connectors and M8 cables come in various configurations, including different numbers of pins (2 poels, 3 poles, 4 poles, 5 poles, 6 poles and 8 poles). difference of connector type, the full solution that includes connectors of panel mount, molded and installable. The cables' jacket can be PVC, PUR, halogen-free and others. This versatility allows for customization based on specific application requirements.
  3. IP Ratings: Selection of M8 series connectors and cable assembly solutions boast high Ingress Protection (IP) ratings IP65, IP66, IP67 and IP68, ensuring resistance to dust, water, and other environmental factors. This makes them ideal for use in harsh industrial conditions, it safely and reliably ensures reliable communication.
  4. Robustness: Constructed with durable materials, IP67 sealed and tested M8 connectors and cables are designed to withstand vibrations, temperature variations, and mechanical stress commonly encountered in industrial environments. It reduce downtime in harsh application with stable industrial standard solution.
  5. Versatile Applications: They find applications in a wide array of industries, including factory automation, automotive, robotics, profibus, profinet, fieldbus and industrial ethernet. the M8 system provides a full solution of reliable connectivity for small M8 sensors, actuators, and control systems.

Benefits of M8 Connectors and Cables

  1. Reliability: Their robust design and secure connections ensure reliable signal transmission critical for industrial applications and control systems.
  2. Space-Efficiency: The compact size of M8 connectors allows for installation in tight spaces, offering flexibility in design and implementation.
  3. Ease of Installation: M8 connectors are easy to install and maintain, reducing downtime and enhancing operational efficiency in industrial setups.
  4. Customization: With various pin configurations and cable lengths available, M8 connectors offer customization options to suit specific application needs.

Frequently Asked Questions: Difference from M8 and M12 (FAQ)

1. What is an M8 connector?

An M8 is a type of circular connector commonly used for small sensors and automation applications in industrial settings. It is designed to provide a secure connection for various devices and equipment.

2. How does M8 differ from M12?

The primary difference between M8 and M12 lies in their size and functionality. While both are circular connectors, M8 connectors are smaller in diameter compared to M12 connectors. The choice between the two depends on the specific application and the requirements of the system.

3. What are the typical uses of M12 connectors?

M12 connectors are commonly used for connecting devices in industrial automation and networking applications. They provide a secure and reliable connection for ethernet and signal transmission in harsh environments.

4. Can M8 connectors be used for outdoor applications?

Yes, certain M8 connectors are designed to meet IP67 ratings, making them suitable for outdoor use. When used with appropriate cable assemblies and shielding, M8 connectors can provide reliable connections in various environmental conditions.

5. What are the key differences in the construction of M8 and M12 connectors?

M8 connectors typically have a smaller diameter and fewer pins or poles compared to M12 connectors. Additionally, the thread sizes and mating mechanisms may differ between the two, impacting their usage and compatibility with specific devices.

6. What is the current rating of M8 cable?

1.5A for A code's 5, 6, 7 and 8 pins.
3A for A code's 2, 3 and 4 pins

7. What is the material of M8 connector and cables?

HOLIN's M8 connectors insert is using UL94 V0 PA66 + GF, the pin is Brass with Gold plated 6u", the housing are Brass with Nickel plated or plastic. We also be able to use Stainless Steel or Aluminum to custom that.

HOLIN's M8 cable can be PVC, PUR, Rubber, XLPE, LSZH, etc, we are able to custom your own cable assembly based on your product application.

8. Are M8 connectors universal?

Yes, it is. The M8 is under IEC 61076-2-104.

9. What code M8 has?

Pin Geometry keyway Connector codes IEC No. Existing Pins Current Rated
M8 A code M8 A code 61076-2-104 2, 3, 4, 5, 6, 7 and 8

2, 3 and 4 pin = 3A

5, 6, 7 and 8 pin = 1.5A

M8 B code M8 B code 61076-2-104 5 3A
M8 K code M8 K code -------- 2, 3, 4, 5 and 6

2, 3 and 4 pin = 3A

5 and 6 pin = 1.5A


Applications of M5 connectors and cables

robots arm M5 connectors and cables

Robots Arm

IOT devices M5 connectors and cables

IOT Devices

portable power supply M5 connectors and cables

Portable Power Supply

flow meter M5 connectors and cables

Flow Meter

equipments and devices on weather station M5 connectors and cables

Equipments and Devices on Weather Station

pumping station of control and alarm system M5 connectors and cables

Pumping Station of Control and Alarm System

thermal scanner M5 connectors and cables

Thermal Scanner

A08D-M102HSR
M8 A code IP66 to 68 2 Pins 3A 50V AC or 60V DC Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
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A08D-M103HSR
M8 A code IP66 to 68 3 Pins 3A Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
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A08D-M104HSR
M8 A code IP66 to 68 4 Pins 3A Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
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A08I-M105HSR
M8 A code IP66 to 68 5 Pins 1.5A Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
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A08I-M106HSR
M8 A code IP66 to 68 6 Pins 1.5A 30V AC or DC Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
View
A08I-M107HSR
M8 A code IP66 to 68 7 Pins 1.5A 30V AC or DC Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
View
A08I-M108HSR
M8 A code IP66 to 68 8 Pins 1.5A Panel Mounting Male Threaded Metal Shielded Solder Bucket Pin
View
A08D-M102HPR
M8 A code IP66 to 68 2 Pins 3A 50V AC or 60V DC Panel Mounting Male Threaded Metal Shielded PCB Pin
View
A08D-M103HPR
M8 A code IP66 to 68 3 Pins 3A Panel Mounting Male Threaded Metal Shielded PCB Pin
View
A08D-M104HPR
M8 A code IP66 to 68 4 Pins 3A Panel Mounting Male Threaded Metal Shielded PCB Pin
View
A08I-M105HPR
M8 A code IP66 to 68 5 Pins 1.5A Panel Mounting Male Threaded Metal Shielded PCB Pin
View
A08I-M106HPR
M8 A code IP66 to 68 6 Pins 1.5A 30V AC or DC Panel Mounting Male Threaded Metal Shielded PCB Pin
View