4 Pin M16 Female Field Wireable Circular Connector
Introduction
The M16 connector is a high-performance solution designed for robust industrial data and signal transmission. Part of the versatile M16 Field Wireable series, this connector features a straight orientation with standard A-Coding, making it compatible with a wide range of automation sensors and actuators. Engineered for harsh environments, it boasts an IP67 protection rating, ensuring complete shielding against dust and temporary water immersion.
Constructed for reliability and ease of use, the unit features a screw-joint termination system, allowing for quick and secure on-site assembly without specialised tools. The housing is crafted from durable nickel-plated copper alloy, while the female contacts are made of CuZn with gold (Au) plating to ensure superior conductivity and oxidation resistance. With a rated voltage of 250V and a current of 6A, this connector maintains stable performance across a wide operating temperature range of -25°C to +85°C.
Key Features:
- Configuration: 4 Pin, Female gender, Straight orientation, A-Coded.
- Easy Assembly: Field wireable design with simple Screw-Joint termination.
- Rugged Build: Nickel-plated copper alloy housing with Gold-plated contacts.
- Protection: IP67 rated for water and dust resistance.
- Electrical Specs: Rated Voltage 250V, Rated Current 6A.
- Versatility: Operates reliably in temperatures from -25°C to +85°C.
Main Specifications:
General Information:
| Product Number: | M16A-4PF-AS-S001 | |
| Connector Series: | M16 Field Wireable Connector | |
| Connector Gender: | Female | |
| Orientation: | Straight | |
| Connector Coding: | A Coded | |
| Number of Contacts: | 4 Pin | |
| Contact Termination: | Screw-Joint | |
| Mount Method: | Cable Type | |
| Mount Feature: | Not Applicable | |
| Shielding: | Shielded | |
| Weight: | 32g | |
| Other Features: | None |
Materials:
| Shell Material: | Copper Alloy | |
| Shell Material: | Nickel Plated | |
| Contact Material: | CuZn | |
| Contact Plating: | Au |
Electrical Performance:
| Rated Voltage: | 250V | |
| Rated Current: | 6A | |
| Insulation Resistance: | ≥100 MΩ | |
| Contact Resistance: | <5 MΩ |
Mechanical Performance:
| Coupling method: | Threaded Coupling | |
| Thread Aperture: | M16*0.75 | |
| Wire Gauge: | 0.75mm²/(20AWG) | |
| Durability: | ≥500 Cycles |
Mechanical Performance:
| Temperature Range: | -25°C to 85°C | |
| IP Rating: | IP67 |
M16 Connector Pinout and Wiring Diagram:

Applications of this 4 Pin M16 Female Field Wireable Circular Connector:
M16 circular connectors are widely used in various industries due to their stability, reliability, and versatility. Here are some applications:
- Transportation: Connecting various sensors, cameras, lighting systems, and communication devices in onboard systems for trains, buses, and automobiles.
- Renewable Energy: Connecting sensors, controllers, and power distribution units in renewable energy systems such as solar panels and wind turbines.
- Audio Equipment: Connecting speakers, microphones, or other equipment.
- Sensors: Connecting various sensors and controllers, such as home security, and automation control equipment.
- Pipe Connection: Connecting water pipes, and air pipes in pipe connections.
- Small Electrical Equipment: Suitable for some electrical equipment, such as power tools, and small household appliances.
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