3 Pin M8 A Coded Male Field Wireable Connector, Straight, Metal Shell
introduction
This M8 connector with a straight orientation and robust metal shell is engineered for demanding industrial environments. Featuring a reliable threaded coupling mechanism, it ensures a secure and vibration-resistant connection, perfect for continuous operation. It’s A-coding guarantees correct mating with corresponding female sockets, preventing misconnection. The connector is designed for easy on-site installation with its practical screw-joint contact termination, allowing for quick and tool-free wiring without the need for specialized equipment.
Built to last, the connector boasts a high-performance specification. The metal shell provides superior durability and EMI shielding, while the gold-plated CuZn contacts ensure excellent conductivity and corrosion resistance. With an impressive IP67/IP68 rating, it is fully protected against dust and long-term immersion in water. This connector reliably operates within a wide temperature range of -25°C to +85°C, handling voltages up to 60V and currents up to 4A, making it a versatile solution for factory automation, process control, and sensor networks.
Key Features:
- 3-pin, A-coded male connector with threaded coupling
- Rugged metal shell for enhanced durability and shielding
- IP67/IP68 rated for dust and water resistance
- Field wireable design with screw-joint termination
- Gold-plated CuZn contacts for reliable signal transmission
- Wide operating temperature range (-25°C to +85°C)
Main Specifications:
General Information:
| Product Number: | M8-03-A-P-4-S | |
| Connector Series: | M8 Field Wireable Connector | |
| Connector Gender: | Male | |
| Orientation: | Straight | |
| Connector Coding: | A Coded | |
| Number of Contacts: | 3 Pin | |
| Contact Termination: | Screw-Joint | |
| Mount Method: | Cable Type | |
| Mount Feature: | Not Applicable | |
| Shielding: | Shielded | |
| Weight: | 27g | |
| Other Features: | None |
Materials:
| Shell Material: | Metal | |
| Contact Material: | CuZn | |
| Contact Plating: | Au |
Electrical Performance:
| Rated Voltage: | 60V | |
| Rated Current: | 4A | |
| Insulation Resistance: | ≥100 MΩ | |
| Contact Resistance: | <10 mΩ |
Mechanical Performance:
| Coupling method: | Threaded Coupling | |
| Threaded Size: | M8x1 | |
| Wire Gauge: | 0.14/0.25/0.34mm²/(26/24/22AWG) | |
| Durability: | ≥500 Cycles |
Environmental Performance:
| Temperature Range: | -25°C to 85°C | |
| IP Rating: | IP67 / IP68 |
M8 Connector Pinout and Wiring Diagram

Explore Our Comprehensive M8 Connector Catalog and Datasheet:
Metabee's M Series Circular Connectors, Adapters, and Cable Assemblies Catalog (PDF, 3.3Mb)Applications of this 3 Pin M8 A Coded Male Field Wireable Connector:
M8 circular connector finds versatile applications across various industries due to its compact size and reliable connectivity. Here are some common applications:
- Industrial Automation;
- Robotics;
- Automotive;
- Food and Beverage;
- Pharmaceuticals;
- Packaging;
- HVAC (Heating, Ventilation, and Air Conditioning);
- Agriculture;
- Renewable Energy;
- Security Systems.
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