Waterproof M Connectors
M5 M8 M12 M23 Connector and Cable connector Molded Assembly
IP67 IP68 Waterproof M5 M8 M12 M23 Circular Connectors and molded cable connector assembly. Panel mounting, Cable, Field attachable types.

IP67 IP68 Waterproof M5, M8, M12, and M23 Circular Connectors and overmolded Cable Connector Assemblies
In the rapidly evolving landscape of connectivity solutions, M5, M8, M12, and M23 connectors and cable assemblies stand out as the backbone of seamless data transmission. Let's explore the versatility and applications of these connectors, defining the future of connectivity.
M5 Connectors and Cable Assemblies: Miniaturized Marvels of Connectivity
M5 connectors, with their compact design, redefine connectivity in space-constrained applications. Ideal for sensors and automation equipment, these miniaturized marvels ensure reliable data transfer in environments where precision matters.
M8 Connectors and Cable Assemblies: Robust Solutions for Industrial Automation
Designed for industrial automation, M8 connectors offer robust and secure connections in manufacturing and control systems. Their rugged build and resistance to harsh conditions make them indispensable in industrial settings where durability is paramount.
M12 Connectors: and Cable Assemblies Versatile Solutions for Diverse Applications
M12 connectors, known for their versatility, find applications across industries. From factory automation to process control, their standardized design ensures compatibility, while their robustness thrives in challenging environments, including moisture-prone and harsh industrial settings.
M23 Connectors and Sockets (Receptacle): Powering High-Demand Applications
M23 connectors represent the pinnacle of power and data transmission. With a larger form factor, they cater to applications demanding higher currents and voltages. Their reliability and durability make them suitable for demanding environments such as robotics and heavy machinery.
What the Waterproof Circular Connectors and number of pins HOLIN provide
| CHART of types of M connectors and cables | |||||
|---|---|---|---|---|---|
| IEC | Size | Code | Current Rating | Rating | Number of pins / Number of contacts |
| IEC 61076-2-105 | M5 | A code | 1A | 60V | 3 pins, 4 pins |
| IEC 61076-2-104 | M8 | A code | 1.5A | 30V | 5 pins, 6 pins, 7 pins, 8 pins |
| A code | 3A | 50V | 2 pins, 3 pins, 4 pins | ||
| B code | 3A | 30V | 5 pins | ||
| IEC 61076-2-101 | M12 | A code | 4A | 250V | 2 pins, 3 pins, 4 pins |
| 4A | 60V | 5 pins | |||
| 2A | 30V | 8 pins | |||
| 1.5A | 30V | 12 pins, 17 pins | |||
| B code | 4A | 60V | 3 pins, 4 pins, 5 pins | ||
| C code | 4A | 250V | 3 pins, 4 pins | ||
| C code | 2A | 60V | 5 pins | ||
| C code | 2A | 30V | 6 pins | ||
| D code | 4A | 250V | 3 pins, 4 pins | ||
| D code | 4A | 60V | 5 pins | ||
| P code | 4A | 250V | 3 pins, 4 pins | ||
| P code | 4A | 60V | 5 pins | ||
| IEC 61076-2-111 | E code | 16A | 63V | 3 pins, 4 pins, 5 pins | |
| F code | 16A | 63V | 2 pins, 3 pins, 4 pins | ||
| K code | 12A | 630V | 3 pins, 4 pins, 5 pins | ||
| L code | 16A | 63V | 3 pins, 4 pins, 5 pins | ||
| M code | 8A | 630V | 3 pins, 4 pins, 5 pins, 6 pins | ||
| S code | 12A | 630V | 3 pins, 4 pins | ||
| T code | 12A | 63V | 2 pins, 3 pins, 4 pins | ||
| IEC 61076-2-109 | X code | 0.5A | 48V | 8 pins | |
| IEC 61076-2-113 | Y code | Power contact 6A | 50V | 8 pins | |
What are common applications with M connectors and cables
Sensor Networks, Embedded Systems, Robotics, Medical Devices, Industrial Automation, Industrial Applications, Machine Vision Systems, Automotive Electronics, LED Lighting, Factory Automation, Process Control, Fieldbus Networks, Railway Systems, Heavy Machinery, Aerospace Technologies, Renewable Energy, Marine Electronics, Agricultural Electronics, Fisheries Electronics, Data Centers, Telecommunications Towers, Electric Vehicle Charging Stations and so on.
IP66 to 68 M5 A code 3 Pins Female Panel Mounting Connector A05I-M203HSF
IP66 to 68 M5 A code 4 Pins Female Panel Mounting Connector A05I-M204HSF
IP66 to 68 M5 A code 3 Pins Male Panel Mounting Connector A05I-M103HSR
IP66 to 68 M5 A code 4 Pins Male Panel Mounting Connector A05I-M104HSR
IP66 to 68 M5 A code 3 Pins Male Panel Mounting Connector A05I-M103HPR
IP66 to 68 M5 A code 4 Pins Male Panel Mounting Connector A05I-M104HPR
IP66 to 68 M5 A code 3 Pins Female Cable Assembly Connector A05I-M203SN
IP66 to 68 M5 A code 4 Pins Female Cable Assembly Connector A05I-M204SN
IP66 to 68 M5 A code 3 Pins Female Cable Assembly Connector A05I-M203SM
IP66 to 68 M5 A code 4 Pins Female Cable Assembly Connector A05I-M204SM
IP66 to 68 M5 A code 3 Pins Male Cable Assembly Connector A05I-M103SN
IP66 to 68 M5 A code 4 Pins Male Cable Assembly Connector A05I-M104SN
How to Choose the Right Waterproof Connector? A Quick Guide to M5, M8, and M12
Choosing the correct connector is critical for the reliability of your device. At HOLIN, we offer a comprehensive range of circular connectors tailored to your specific needs. Whether you are designing a micro-drone or a heavy-duty industrial robot, use this comparison table to find your perfect match.
Comparison Table:
| Feature | M5 Series | M8 Series | M12 Series |
|---|---|---|---|
| Best For | Ultra-compact devices, Drones (UAVs), IoT Sensors | Compact Sensors, Small Actuators, I/O Boxes | Industrial Automation, Heavy Duty Robots, Ethernet |
| Locking Thread | 5mm (Screw-locking) | 8mm (Screw-locking) | 12mm (Screw-locking) |
| Size / Weight | Ultra-Small / Lightweight | Small / Compact | Standard / Robust |
| Pin Counts | 3, 4 Pins | 2, 3, 4, 5, 6, 8 Pins | 2, 3, 4, 5, 6, 7, 8, 12, 17 Pins |
| Standard Coding | A-Code | A-Code, B-Code, K code | A, B, C, D, K, L, M, S, T, X, Y Code |
| Data Transmission | Signal only | Signal, IO-Link | Power, Signal, Profinet, EtherCAT (up to 10Gbps)…etc |
| Primary Advantage | Minimal footprint for weight-sensitive apps. | Balance between size and durability. | Highest versatility and power handling. |
| Waterproof Rating | IP67 | IP67 / IP68 | IP67 / IP68 |
Conclusion - Why HOLIN?
Still not sure which one to choose?
HOLIN specializes in custom cable assemblies. We don't just sell connectors; we provide solutions.
- Custom Lengths: No more excess cable clutter.
- Tailored Materials: PVC, PUR, or custom compounds for harsh environments.
- Value-Added Services: Stripping, tinning, and crimping included.
Contact our engineering team today to discuss your project!







