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M5 Circular Connector

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M5 Circular Connector

CONNODER M5 Circular Connectors are engineered for automation and sensor applications requiring precise signal integrity, mechanical stability, and long-term operational reliability. Their design features accurately machined mating interfaces and controlled contact geometry, allowing consistent electrical performance and secure connections even in high-vibration and space-constrained installations.

Our M5 circular connectors interchange with connectors and cable assemblies from major automation brands including SICK, TURCK, Omron, Keyence, IFM, Balluff, Pepperl+Fuchs, Di-soric, and others. They are compatible with a wide range of industrial sensors, actuators, and compact I/O devices commonly used in factory automation, robotics, and process control systems.
Note: CONNODER is a professional manufacturer specializing in the research and development and production of industrial circular connectors and cables, connectors, cables and peripheral equipment components. All brand names mentioned in this article are trademarks of their respective owners and are used only to indicate product compatibility.

M5 Circular Connector

Compact yet robust, the M5 circular connector delivers reliable signal and power transmission in space-constrained industrial applications.

  • Ultra-Compact Design: With an external thread diameter of just 5 mm, it minimizes installation footprint without compromising performance.
  • Secure Threaded Locking: Provides a firm, vibration-resistant connection that ensures long-term reliability in dynamic environments.
  • IP67 Protection: Fully dust-tight and waterproof—ideal for harsh conditions involving moisture, oil, or debris.
  • Flexible Configurations: Available as a connector-only component or pre-assembled with cable, offering versatile integration options.
  • Multiple Shielding Options: Choose from non-shielded, shielded, or grounded variants to meet diverse EMI/RFI immunity requirements.
  • Universal Compatibility: Features a standardized interface compliant with mainstream M5 connectors on the market, enabling seamless inter-mating.
  • IEC 61076 Certified: Meets international standards for quality, durability, and electrical performance across a complete product range.

Engineered for stability, the M5 connector supports quick plug-and-play operation while maintaining excellent electrical integrity—even under continuous vibration. Its oil-resistant and low-temperature-resistant materials ensure dependable performance in extreme operating conditions.

Typical Applications
Automotive sensors, photoelectric & proximity switches, industrial automation equipment, robotic sensing systems, integrated wire harnesses in Industry 4.0 and smart manufacturing platforms.

At Connoder, we offer both standard and custom M5 circular connectors, along with fully assembled cable solutions—empowering your devices with fast, stable, and future-ready connectivity.

M5 Circular Connector Product Group

Discover our full range of M5 Circular Connectors, designed for compact sensors, robotics, and industrial automation. Engineered for reliability, space efficiency, and IP-rated protection, these connectors ensure stable signal transmission in demanding environments.
M5 Welded Connector

M5 Circular Connector Connector Welded

Suitable for perforated installation on the equipment housing or panel, providing a stable external interface.
Installation methods: Front - mounting, Rear - mounting.
Connection method: Wire - welding.
Protection level: IP67

M5 PCB Connector

M5 Circular Connector PCB

It is suitable for perforated installation on the equipment housing or panel, providing a stable external interface.
Installation methods: Front - panel mounting, Rear - panel mounting
Connection method: PCB plug - in
Protection level: IP67

M5 Pre-Molded Cable Assemblies

M5 Pre-Molded Cable Assemblies

The precision injection molding of the connector and cable is completed before leaving the factory, ensuring consistency and high reliability.
Cable types: PVC, PUR.
Length customization: Custom lengths as specified by customers are supported, reducing on - site wiring and connection work.
Protection level: IP67

M5 Circular Connector

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M5 Circular Connector

Downloads on The Topic of Circular Connectors

European - standard M - series Circular Connectors --- M5 Series

Precision Applications of M5 Circular Connectors

Circular plug connectors and circular power connectors are used across various industries.
Connoder’s connectors are engineered for durability, with IP67/IP68 ratings for water and dust resistance, ensuring performance in harsh environments.
M5 Circular Connector Industrial Automation
Industrial Automation
Miniature sensor integration. Micro-actuator signal transmission. Robotic arm connectivity.
M5 circular connector Robotics
Robotics
Cobot control interfaces. Joint encoder feedback. Compact gripper & vision systems.
M5 circular connector Measurement & Testing Instruments
Measurement & Testing
Portable sensors for temp, pressure, vibration. Durable DAQ systems. Calibration tools.
M5 circular connector Medical Technology
Medical Technology
Miniature diagnostics. Patient monitoring. Quick-connect portable instruments.
M5 circular connector Communication & Electronics
Communication & Electronics
Antenna modules. Board-to-cable links. Industrial handheld controllers.

M5 Circular Connector Technical Guide

Comparison of Pin Numbers and Coding Differences of M5 Circular Connectors

Pins
3
4
Pins
3
4
Male
Female

Pin Configuration and Electrical Parameters of M5 Circular Connector

Standard
IEC 61076-2-101 / DIN EN 61076-2-105
Thread Size
M5 x 0.5
Number of Contacts
3 Core, 4 Core
Contact Material
Copper alloy, gold-plated
Rated Voltage
60 VAC/DC
Rated Current
1 A
Protection Level
IP67 (when properly connected)
Operating Temperature
-40°C to +85°C
Locking Method
M5 threaded locking
Housing Material
Brass (nickel-plated), Engineering plastic (PA9T)
Cable Sheath
PVC, PUR (optional)

M5 PCB Pins Arrangement

M5 Circular Connector Industrial Automation
3 Code Male
M5 circular connector Robotics
4 Code Male
M5 circular connector Measurement & Testing Instruments
3 Code Female
M5 circular connector Medical Technology
4 Code Female

Different Installation Methods of Circular Connectors

M5 Circular Connector Front Fastened
M5 Circular Connector Front Fastened
M5 Circular Connector Rear Fastened
M5 Circular Connector Rear Fastened

Different Opening Sizes of Circular Connectors

Opening Size for M5 Circular Connector with M5×0.5 Threads
Opening Size for M5 Circular Connector with M5×0.5 Threads
Opening Size for M5 Circular Connector with M7×0.75 Threads
Opening Size for M5 Circular Connector with M7×0.75 Threads

Different Wiring Methods for Circular Connectors

M5 Circular Connector Solder Type
M5 Circular Connector Solder Type
M5 Circular Connector PCB Type
M5 Circular Connector PCB Type

Global Compatibility and Mil-Spec Solutions

Our circular mil spec connectors and circular plug connectors meet stringent global requirements and are ideal for harsh industrial and outdoor environments. We also offer circular plastic connectors and circular power connectors to meet specific application requirements.
Explore our catalog of high-reliability connectors, including our complete M-series lineup, compatible with leading brands such as:
For more technical specifications and support, visit our company page: 
www.connoder.com
Note: CONNODER is a professional manufacturer specializing in the research and development and production of industrial circular connectors and cables, connectors, cables and peripheral equipment components. All brand names mentioned in this article are trademarks of their respective owners and are used only to indicate product compatibility.

Why Choose Connoder Circular Connectors?

With years of expertise, Connoder delivers:

Quality Assurance

ISO-certified manufacturing processes.

Customization

Tailored solutions for unique applications.

Global Support

Dedicated customer service and technical support.

Innovation

Cutting-edge designs for modern connectivity needs.

Certification

ISO 9001 and ISO 14001 certified.

Sales Network

Global customer base in over 50 countries.

Why Choose Connoder Circular Connectors?

If you're searching for reliable, custom-engineered circular connectors for your project, connoder is your trusted partner. 
Contact us today to request a quote or a free sample.

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