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CONNODER - Your Reliable Connection Expert

M8 Circular Connectors for Industrial Automation & Sensor Systems

Small size · high reliability · designed for industrial automation connections · compact performance powering Industry 4.0

CONNODER manufactures compact, IP67-rated M8 circular connectors built to the IEC 61076-2-104 standard. Available in 3/4/5/6/8-pin and A/B/D coding, with shielded & unshielded options and custom cable assemblies for sensors, actuators and industrial networks.CONNODER is dedicated to delivering high-performance and highly reliable M8 circular connector solutions for customers, suitable for a variety of harsh industrial environments.

CONNODER M8 series covers straight and right-angle cable connectors, field-assembly (screw-terminal) versions, and panel-mount receptacles (front- and rear-mount), all keyed to prevent mismating.

✔IEC 61076-2-104
✔Gold-plated contacts
✔3 / 4 / 5 / 6 / 8-pin
✔A / B / D coding
✔ Supports OEM customization
✔ CE/RoHS certified

Connection Challenges in Compact Spaces

M8 circular connectors are one of the widely adopted standard interfaces in industrial automation. Featuring compact design, high protection rating and excellent electrical performance, they are mainly used for sensors, actuators and control devices.

CONNODER Solutions

CONNODER supplies professional circular connectors specially for M8 sensors, with IP67 waterproof and vibration-resistant design. Ideal for industrial automation and robot sensors. One-stop customization service helps improve the reliability of your systems.

Wide Range of Applications

Deliver stable and reliable connection support for diverse industrial scenarios

Industrial Automation

Suitable for automated production lines, PLC control modules and distributed I/O systems.

Robotics

Meet the requirements of collaborative robots and manipulators for lightweight and flexible connections.

Measuring Instruments

Provide stable signal transmission for high-precision sensors and portable test equipment.

Why Choose CONNODER M8 Circular Connectors?

As a core component in industrial automation, M8 circular connectors for sensors are specially designed for miniature sensors and actuators to deliver efficient signal transmission solutions. With more than 10 years of experience in electronic connector R&D, CONNODER focuses on developing and customizing high-performance circular connectors, ensuring stable performance even in harsh environments such as vibration and humidity. We hold ISO 9001, ISO 14001 and other certifications, own over 20 design patents, and our products are exported to more than 50 countries, trusted by customers worldwide.

01 Designed for Compact Spaces, Ultra-Miniature Form Factor

M8 Thread Size +
Only 8mm in diameter, suitable for applications with limited space.
Diverse Mounting Options +
Multiple mounting styles available, including flange mount, PCB board-in, cable-soldered and SMD surface mount.
Straight & Angled Versions +
Straight connectors save axial space, while angled connectors optimize routing paths, reduce stress and improve layout efficiency.

02 High Performance for Stable & Reliable Operation

High Protection Rating (IP67/IP68) +
Precision sealing rings provide effective dustproof, waterproof and oil-resistant performance, supporting stable operation in humid, dusty and washdown industrial environments.
Premium Contact Material +
Gold-plated copper alloy contacts are adopted to ensure low contact resistance, high conductivity and excellent oxidation resistance, preserving signal integrity and stability.
Robust Construction +
Housings made of metal or high-strength engineering plastic with M5 thread locking mechanism deliver secure mechanical connection and good resistance to vibration and shock.
Outstanding Electrical Performance +
Rated voltage 60V AC/DC and 30V AC/DC, rated current 1.5A, 3A, 4A (2/3/4/5/6/8 pin), meeting most signal transmission requirements for sensors and control systems.

Full Scenario Application

Diversified Product Line for Full-Scenario Applications

CONNODER M8 circular connector series for sensors comes in multiple configurations to satisfy diverse automation requirements.
Below are popular models (designed per industry standards, customisable)

01

M8 Connector Bodies

Available in straight, angled, flange mount and other styles. Manufactured with precision moulds for tight thread fit, compatible with various sensor interfaces.

02

Overmolded Cable Assemblies

High-flexibility PUR/PVC cables with oil and abrasion resistance. Strict continuity testing before delivery, plug-and-play to greatly reduce on-site installation time.

03

Non-Standard Customization

Deep customization for cable length, colour, jacket material and pin assignment to suit special working conditions, flexibly meeting OEM/ODM demands.

Need Selection Support?

Our engineering team is ready to provide technical support for you.

M8 Circular Connector Series

More Products

M8 Solder Connector

M8 Solder Connector

Designed for through-hole mounting on equipment housings or panels to deliver a stable external interface.

  • Mounting: Front panel mount, Rear panel mount
  • Connection: Cable-soldered type
  • Protection: IP67
M8 PCB Board-In Connector

M8 PCB Board-In Connector

Designed for through-hole mounting on equipment housings or panels to deliver a stable external interface.

  • Mounting: Front panel mount, Rear panel mount
  • Connection: PCB board-in type
  • Protection: IP67
M8 Field-Assembly Connector

M8 Field-Assembly Connector

Flexible connection solution built for industrial automation, ideal for on-site assembly and custom wiring scenarios.

  • Housing: Plastic type, Metal type
  • Termination: Screw termination, Solder termination
  • Protection: IP67
M8 Overmolded Cable Assembly

M8 Overmolded Cable Assembly

Precision overmolded with connector and cable integrated at factory, ensuring consistent quality and high reliability.

  • Cable Jacket: PVC, PUR
  • Custom Length: Custom lengths available to reduce on-site wiring work
  • Protection: IP67

Technical Specifications

Item Specification
Standards DIN EN 61076-2-104, IEC standards, RoHS compliant
Connection Type Solder, PCB through-hole solder, overmolded cable (straight / angled)
Contact Poles 2, 3, 4, 5, 6, 8 pins (A/B/D coding optional)
Contact Material Copper alloy, gold plated
Rated Voltage 60V AC/DC & 30V AC/DC
Rated Current Max. 4.0A
Protection Class IP67 (when properly mated)
Operating Temperature -40°C to +85°C
Mounting Type Front panel mount, rear panel mount, straight / angled, adjustable angle
Housing Material Brass (nickel plated), engineering plastic
Cable Jacket PVC, PUR (optional)

CONNODER: Your Trusted Interconnect Partner

Choosing a connector means choosing a reliable partner. Since establishment, CONNODER has adhered to our core values: Customer First, Integrity & Trust, Teamwork, Passion & Drive. We strive to become a leading connector brand. We provide standard M8 circular connector solutions and work together with you to explore more possibilities in automation.

Our Advantages

01

Independent R&D & Innovation

We have an experienced R&D team of over 20 members, mastering core technologies including mold development, precision stamping, injection molding and automatic assembly. More than 20 design patents have been granted.

02

Smart Manufacturing & Quality Assurance

Our modern production base covers over 3,000 square meters, equipped with advanced machines such as Swiss Charmilles and Japanese Sodick. More than 100 automatic assembly lines enable high-efficiency production. We strictly follow ISO 9001 quality management system and all products comply with RoHS.

03

Global Service Network

Our products are sold to more than 50 countries and regions worldwide. We provide professional technical support and responsive customer service.

04

Mission & Vision

Our mission is to deliver one-stop connector and cable harness solutions for customers, and our vision is to become a leading connector brand in the industry.

Get Samples

Get Samples

We offer sample service to help you quickly verify product performance.

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Technical Consultation

Technical Consultation

Our engineering team is ready to answer your selection and application questions.

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Custom Service

Custom Service

Customization available for cable length, color, pin configuration and more.

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