Industrial Grade M Series Connectors

One-Stop M Connectors Supplier

Comprehensive M Series Connectors And Cables -- including high-reliability M Molded Connector solutions

Full Circular Connector Series -- M5 / M8 / M9 / M12 / M16 / M23 / 7/8''
Waterproof & Harsh-Environment Solutions
RF & Microwave Connectors • RF Cables • Antennas
Custom Engineering • Volume Production • Project Support
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M Series Connectors

Complete M Connector Portfolio

From compact M5 connector to Mini-Change 7/8" connector, we supply the full range of circular connectors for industrial automation and control systems.

M5 M8 Connectors

M5/M8 Connectors

Compact circular connectors for sensors and space-constrained industrial applications.

M9 Connectors

M9 Connectors

Versatile M9 connectors for sensor and actuator applications with multiple pin configurations.

M12 Connectors

M12 Connectors

Industry-standard M12 connectors with multiple coding options for industrial Ethernet and sensors.

M16 Connectors

M16 Connectors

Robust M16 connectors for higher current and voltage applications with IP67/IP68 protection.

7/8 Inch Connectors

7/8" Connectors

North American standard connectors for power distribution and factory automation systems.

M Molded Connectors

M Molded Connectors

Pre-wired molded cable assemblies with custom lengths and configurations for OEM applications.

M5 Products

The M5 connectors and cable assemblies displayed are only part of our offering. Contact us to discuss your specific requirements.

M5 Female Panel Mount Connector

M5 Connector with Solder Cup

Panel Mount Socket

M5 Panel Mount PCB Connector

M5 PCB Mount Connector

Board Mount Connector

M5 Male Panel Mount Connector with Cable

M5 Male with Cable

Panel Mount with Wire

M5 Female Panel Mount with Cable

M5 Female with Cable

Panel Mount Socket Wire

M5 to Molex Connector Cable

M5 Connector to Molex Connector Cable

Custom Cable Assembly

M5 4Pin Molding Cable

M5 Molding Cable

Overmolded Cable Solution

Technical Specifications

Shell material: Brass with nickel plated
Contact material:: Phosphorus copper with gold-plated/Brass copper with gold-plated
Sealing material: Epoxy resin/Rubber
Insulator material: PA66
Waterproof grade: IP65/IP67(When in locked condition)
Insulation impedance: ≥100 mΩ
Contact impedance: ≤5 mΩ
Durability: ≥500 Cycles
Applicable temperature: -25℃ ~ +80℃
Execution standard: IEC 61076-2-105

Key Features of M5 Connectors

1

Size

The M5 connector has a diameter of 5 mm, making it compact and suitable for applications where space is limited.

2

Pin Configurations

M5 connectors typically come in various pin configurations, including 2, 3, 4, and 5 pins, allowing for different types of signal and power connections.

3

Durability

These connectors are designed to be robust and can withstand harsh environments, making them suitable for industrial applications.

4

Sealing

Many M5 connectors are available with IP67 or higher ratings, providing protection against dust and water ingress.

5

Applications

M5 connectors are commonly used in sensors, actuators, cameras, and other devices in automation and control systems.

6

Connection Types

They can be found in both male and female versions, and they often feature screw-lock locking mechanisms for secure connections.

M16 Connector Series

Our M16 products are not limited to the items shown below. For more options and detailed information, please contact us freely.

Professional M16 circular connectors engineered for industrial automation, sensors, and control systems with reliable performance in harsh environments.

M16 Front Mount Connector

M16 Front Fasten Panel Mount Connector

Front panel mount M16 connector with secure locking mechanism for industrial automation and sensor applications.

M16 Rear Mount Connector

M16 Rear Fasten Panel Mount Connector

Rear panel mount M16 connector designed for space-efficient installations and clean front panel aesthetics.

M16 Panel Mount PCB Connector

M16 Panel Mount PCB Connector

PCB-mount M16 connector for direct board integration with reliable electrical connection and mechanical stability.

M16 12Pin Female Socket

M16 Panel Mount Socket, Solder Cup

12-pin female socket connector with M16 threading for multi-signal applications and complex control systems.

M16 Connector 12Pin

M16 Connectors

High-density 12-pin M16 connector providing multiple signal paths in a compact form factor for complex systems.

M16 Assembly Plug

M16 Assembly Plug

Field-assemblable M16 plug connector for custom cable assemblies and on-site installation flexibility.

M16 Female Panel Mount Cable

M16 Female Panel Mount Connector With Cable

Female panel mount connector with integrated cable for permanent installations and secure connections.

M16 Molding Cable

M16 Connector Molding Cable

Overmolded M16 cable assembly with enhanced strain relief and environmental protection for harsh conditions.

Product Parameters
Shell material: Brass/Zinc alloy nickel/Brass nickel plated
Insulator material: PA66
Sealing material: Epoxy resin/Rubber
Contact material: Brass/Phosphorus copper gold-plated
Waterproof grade: IP65/IP67
Wiring range: PG7: 4~6mm; PG9: 6~8mm
Contact impedance: ≤5 mΩ
Durability: ≥ 500 cycles
Applicable temperature: -25℃ ~ +80℃
Executive standard: IEC 61076-2-106-2012 AISG

Electrical data

Contacts Rated current Voltage Wire gauge/size Cable jacket Cable ending & length
Pins Number A A/C D/C AWG mm²
2 Pins 7A 250V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
3 Pins 7A 250V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
4 Pins 6A 250V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
5 Pins 6A 250V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
6 Pins 5A 250V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
7 Pins 5A 125V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
8 Pins 5A 60V 32V 18 0.75 PUR/PVC or other custom materials Custom version available
12 Pins 3A 60V 32V 24 0.25 PUR/PVC or other custom materials Custom version available
14 Pins 3A 60V 32V 24 0.25 PUR/PVC or other custom materials Custom version available
16 Pins 3A 60V 32V 24 0.25 PUR/PVC or other custom materials Custom version available
19 Pins 3A 60V 32V 24 0.25 PUR/PVC or other custom materials Custom version available
24 Pins 1A 60V 32V 26 0.14 PUR/PVC or other custom materials Custom version available

Engineering-Level Support

  • • Pin configuration & coding verification
  • • Current rating & shielding review
  • • Application-based recommendation

OEM / ODM Customization

  • • M16 12-pin signal / power / hybrid layouts
  • • Cable length, jacket, shielding, overmolding
  • • Drawing-based & sample-based development

Sampling & Lead Time Control

  • • Rapid prototype & small batch support
  • • Clear transition to mass production
  • • Transparent timeline communication

Quality Control Visibility

  • • Incoming material inspection
  • • Assembly & electrical testing
  • • Final inspection before shipment

Industry Applications

M connectors are the backbone of modern industrial automation. Trusted across critical sectors worldwide.

Factory Automation

Factory Automation & Robotics

Sensors, actuators, PLCs, robotic arms, conveyor systems, and assembly line equipment rely on M connectors for reliable signal and power transmission.

Motion Control

Motion Control Systems

Servo motors, stepper motors, encoders, and drive controllers use M12 and M23 connectors for precise position feedback and power distribution.

Transportation

Railway & Transportation

Train control systems, signaling equipment, and onboard electronics require ruggedized M connectors that withstand vibration and temperature extremes.

Energy Systems

Energy & Power Distribution

Solar inverters, wind turbines, battery management systems, and smart grid equipment utilize M connectors for outdoor and high-voltage applications.

Medical Devices

Medical Equipment

Diagnostic devices, patient monitoring systems, and surgical equipment require compact, reliable M5/M8 connectors for critical signal integrity.

Marine & Outdoor

Marine & Outdoor Electronics

Navigation systems, lighting, and control panels in harsh marine environments depend on IP68-rated M connectors for waterproof performance.

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Why Choose QC One Global for M-Series Connectors?

We specialize in B2B connector solutions with engineering expertise, flexible customization, and reliable supply chain management. No retail -- only professional partnerships.

Complete M Series Range

Including M5 connector, M8 connector, M9 connector, M12 connector, M16 connector, M23 connector and 7/8 connector, we stock and customize the full portfolio with multiple coding options, pin counts, and cable assembly configurations.

Fast Response & Engineering Support

Quick quotation, technical consultation, and sample support. Our engineers help you select the right connector for your application.

OEM/ODM Customization

Custom cable lengths, mixed connector types, special materials, and private labeling. Flexible MOQ for prototypes and production runs.

Global B2B Focus

Serving brands, distributors, system integrators, and OEMs worldwide. We understand project timelines and supply chain requirements.

Quality M Connectors

A Reliable China-Based Partner for Long-Term B2B Projects

RF antenna systems
Quality control testing
Electronic connectors manufacturing
Industrial cable assemblies
Circular connector assembly
Waterproof connector testing

Get A Free Quote of M Connector & Cable Now

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QC One Global Limited
No.251 Reclamation ST, Kowloon HK, China

Email: info@qconeglobal.com | WhatsApp: +852 5441 2709