M12 A-code 4-pin Female Connector for Rugged Power Supply
In any professional industrial, mobile or marine application, a reliable power supply is the most critical factor for continuous operation. Standard power connectors are often the weakest link; they are prone to loosening due to vibration and vulnerable to moisture and dust ingress, which can lead to short circuits and costly equipment failure. The M12 A-code 4-pin female connector is the professional industry standard, specifically designed as a no-compromise solution for providing a safe and highly reliable power supply in the most demanding environments.
Unmatched Durability and Safety
This connector is built to perform where others fail. A-coding is the universal standard for DC power and sensor/actuator connections, ensuring broad compatibility. Mechanical robustness is ensured by the M12 screw fitting, which creates a rock-solid, vibration-resistant coupling. True superiority is demonstrated by the exceptionally high IP67 and IP68 protection ratings when connected. This means that the connection is not only completely dustproof, but also protected against temporary as well as continuous immersion in water, making it perfect for outdoor use, on vehicles or in industrial car washes.
The choice of materials underscores the focus on durability and safety. The housing is manufactured from a combination of nickel-plated brass and high-grade plastic, providing superior resistance to corrosion and physical impact. The connector is designed to withstand more than 500 coupling cycles, ensuring a long operational life even with regular maintenance. In addition, the plastic used meets the UL 94 V-0 fire safety standard, meaning the material is self-extinguishing and prevents the spread of fire – a critical feature in many industrial and enclosed facilities.
Key features
- Connector Type: A field-mountable M12 Female connector with A-coding and 4 pins.
- Superior Protection Rating: Offers IP67 and IP68 ratings (when connected) for the highest level of protection against dust and water.
- Powerful Power Supply Application: Rated for 250 V and 4 A, ideal for powering a wide range of industrial equipment.
- Extreme Temperature Range: Guaranteed reliable performance in environments with temperatures from -25 °C to +85 °C.
- High Quality Construction: Manufactured with durable nickel-plated brass and plastic housing.
- Exceptional Life: Designed and tested for a life of over 500 clutch cycles.
- Fire Safe and Compliant: Meets UL 94 V-0 fire safety standard and is fully RoHS and REACH compliant.
- Flexible Cable Mounting: Suitable for mounting on cables with an outer diameter of 4.0 mm to 8.0 mm and a wire thickness of AWG 24 (0.5 mm²).
What is included?
- 1 x M12 A-code 4-pin Female Connector (Order Code: PR40119K)


