M12 Circular Connector
The M12 Circular Connector Has A Protection Rating Of Ip67 And Above. It Is Waterproof, Dustproof, Oil - Resistant And Resistant To Chemical Corrosion. It
Can Operate Within A Wide Temperature Range From - 40℃ To + 85℃, Ensuring Stable And Reliable Performance In Extreme Environments. With A Threaded Locking Design, It Is Resistant To Vibration And Shock, Continuously Guaranteeing Excellent Electrical Performance.
It Is Widely Used In Power, Signal And Data Transmission Connections In Industrial Automation, Sensor Systems, Robots, Rail Transit, New Energy
Quipment And Intelligent Production Lines Of Industry 4.0.
Connoder Provides A Full Range Of Standard And Customized M12 Connectors And Cable Assemblies. It Supports Multiple Coding Types (Such As (A/B/D/K/L/S/T/X, Etc.) And Shielding Solutions, Is Compatible With Mainstream Brands, And Helps With The Efficient Interconnection Of Devices And Reliable System Integration.
M12 Circular Connector Types
Explore our M12 circular connector range today to discover the best connectivity solution for your project! If you need more technical details or customization advice on the M12 circular connector, please feel free to contact us for more information and support.

M12 Panel Mount Connector
Suitable for perforated installation on the equipment housing or panel, providing a stable external interface.
Installation methods: Front - panel mounting, Rear - panel mounting.
Connection methods: Wire - welding, PCB - plugging.

M12 Assembled Connector
A flexible connection solution designed for industrial automation, especially suitable for scenarios that require on - site assembly or customized wiring.
Material types: Plastic assembly, Metal assembly
Connection methods: Screw - terminal connection, Welding connection

M12 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.

M12 Square Flange Connector
Suitable for fixed installation on equipment panels or enclosures with square - shaped mounting requirements, ensuring a reliable external connection interface.
Installation methods: Front - panel mounting
Connection methods: Solder connection

M12 Angled Socket Connector
Suitable for perforated installation on the equipment housing or panel, providing a stable external interface.
Installation methods: Rear - panel mounting.
Connection methods: PCB - plugging.
- Circular Connectors
- Type
- M5 Circular Connector
- M8 Circular Connector
- M9 Circular Connector
- M12Circular Connector
- M14Circular Connector
- M16Circular Connector
- 7/8 " Circular Connector
- Shape
- Straight
- Right Angle
- Gender
- Female
- Male
- Number of cores
- 2 Pin
- 3 Pin
- 4 Pin
- 5 Pin
- 6 Pin
- 7 Pin
- 8 Pin
- 9 Pin
- 12 Pin
- 14 Pin
- 16 Pin
- 17 Pin
- 19 Pin
- 24 Pin
- 1+PE
- 2+PE
- 3+PE
- 4+PE
- 5+PE
- 6+PE
- 3+5 Pin
- 3+7 Pin
- 2+FE
- 3+FE
- 4+FE
- Foolproof type
- A
- B
- C
- D
- K
- L
- M
- P
- S
- T
- X
- General
- Protection level
- IP66
- IP67
- IP68
- Wiring method
- Solder type
- PCB type
- Screw type
- SMD type
- Installation type
- Rear Fastened
- Front Fastened
- Square Flange Socket
- Sockets
- SMD Sockets
- Plastic Assembled
- Metal Assembled
- Curved Metal Assembly
- Ordinary Overmolded Type
- Overmolded Type
- Shielding type
- Shielded
- Unshielded
- Yes/No Optional
- Housing material
- Metal
- Plastic
- Metal + Plastic
- Rated voltage
- 30V
- 48V
- 50V
- 60V
- 63V
- 125V
- 250V
- 630V
- 300V
- 800V
- Rated current
- 0.5A
- 1A
- 1.5A
- 2A
- 3A
- 4A
- 5A
- 6A
- 7A
- 8A
- 9A
- 12A
- 13A
- 16A
- Insulation resistance
- 5mΩ
- 8mΩ
M12 Circular Connector
172 results
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M12 X Coded 8 Pin Circular Connector is a versatile and robust connector designed for industrial applications.
M12 M Coded 4+PE Circular Connector is a metric circular connector used in industrial automation and other harsh environments.
M12 L Coded 4+PE Circular Connector is a metric circular connector used in industrial automation and other harsh environments.
M12 T Coded 3+PE Circular Connector is a flexible and highly customizable connector suitable for a variety of industrial applications.
M12 S Coded 2 Pin Circular Connector is designed for AC power connections and has good shielding performance and protection level to meet the high requirements of power connectors in the field of industrial automation.
The M12K coded circular connector is specifically designed for applications requiring high power transmission
The M12 A 5 Pin Circular Connector is a standard connector widely used in the field of industrial automation.
M12 X Coded Female 8 Pin Circular Connector is a versatile and robust connector designed for industrial applications.
M12 M Coded 4+PE Circular Connector is a metric circular connector used in industrial automation and other harsh environments.
M12 Circular Connector
Downloads on The Topic of Circular Connectors
Applications of 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.

Industrial Automation
Connection of miniature sensors (proximity, photoelectric, capacitive, ultrasonic).
Signal transmission for micro-actuators.
Compact connections in robotic arms and precision automation equipment.

Robotics
Data and control signal interface in collaborative robots (cobots).
Encoder and feedback sensor connections in robotic joints.
Use in compact robotic grippers and vision modules.

Measurement & Testing Instruments
Connection of portable measuring devices (temperature, pressure, vibration).
Data acquisition systems requiring small and durable connectors.
Precision test and calibration tools.

Medical Technology
Miniature medical devices and diagnostic equipment.
Patient monitoring systems where compact and safe connections are critical.
Portable medical instruments requiring quick-connect interfaces.

Communication & Electronics
Antenna connections for small wireless modules.
Board-to-cable and cable-to-cable links in compact electronic devices.
Industrial handheld terminals and mobile controllers.
Circular Connector Technical Guide
Comparison of Pin Numbers and Coding Differences of Circular Connectors
Shell Material | Brass Nickel Plated/Zinc Alloy Nickel Plated/PA+GF | |
Sealing Material | Epoxy Resin/Rubber | |
Contact Material | Phosphor Copper Gold Plated/Brass Gold Plated | |
Insulator Material | PA+PA+GF/TPU | |
Molding Material | TPU/PVC | |
Contact Resistance | ≤5mΩ | |
Durability | ≥ 500 Cycles | |
Insulation Resistance | 100 MΩ | |
Applicable Temperature | -40℃ Tо +80℃ | |
Waterproof Grade | IP67/IP68 |
M12 Circular Connectors Types With Different Coding
Different Installation Methods of Circular Connectors

M12 Rear - Panel Mounting With Front Locking

M12 Front - Panel Mounting With Rear Locking
Different Opening Sizes of M12 Circular Connectors

Opening Size for M12 Circular Connector with M12×1.0 Threads

Opening Size for M12 Circular Connector with M16×1.5 Threads

Opening Size for M12 Circular Connector Square Flange Socket
Different Wiring Methods for M12 Circular Connectors

M12 Circular Connector PCB Type

M12 Circular Connector Solder Type

M12 circular connector Screw-type wiring
Wiring Definition of M12 Circular Connectors
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:
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
www.connoder.com
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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