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2025.12.09
WEIPU M12 A-Code Overmolded Connectors: Reliable, Waterproof, and Ready for Harsh-Environment Applications
As industrial automation, smart manufacturing, and outdoor electronics continue to grow, the demand for high-reliability, waterproof, and vibration-resistant connectivity has never been greater. To meet these requirements, the WEIPU M12 A-Code Overmolded Series provides a durable, high-performance solution designed for sensors, actuators, robotics, and equipment in harsh environments.
This M12 series integrates the standard M12 interface with robust cable overmolding, offering superior sealing, strain relief, and long-term stability — ideal for industrial and outdoor applications.
What Is an M12 Connector?
The M12 connector is a globally adopted circular connector standard widely used in:
- Industrial automation
- Sensors and monitoring devices
- Robotics
- LED lighting
- Transportation and machinery
- Communication modules
- Outdoor & waterproof equipment
With its compact size and threaded coupling, the M12 connector provides secure connections, high vibration resistance, and strong environmental sealing, making it one of the most common interfaces in Industry 4.0 applications.
WEIPU M12 A-Code Overmolded Series: Key Features
The WEIPU M12 A-Code Overmolded Series combines IP67 waterproof protection, 1.5–4A current rating, and 3–12 pin configurations, enabling both signal and low-power transmission in challenging conditions.
1. IP67 Waterproof & Fully Sealed Construction
Engineered for outdoor and harsh environments, the overmolded design ensures:
- Complete water and dust sealing
- Long-term durability under rain, moisture, and humidity
- Reliable field performance even in extreme conditions
2. Overmolded Design for Durability & Strain Relief
The integrated overmold provides:
- Vibration-resistant connection
- Enhanced cable strain relief
- Protection from industrial wear and tear
- Reduced failure rates in dynamic or mobile equipment
3. Wide Compatibility with Global Automation Standards
Built to the M12 A-code standard, these connectors support:
- Sensors
- Actuators
- PLC systems
- Industrial control equipment
- Fieldbus devices
Covering both signal and low-power applications, the range supports:
- 3-pin / 4-pin (DC power, sensors)
- 5-pin / 8-pin (data, I/O signals)
- 12-pin (complex automation systems)
5. Available in Straight, Angled, Rear-Nut, and Front-Nut Models
Flexibility for diverse installation needs:
- Compact angled plug for tight spaces
- Rear-nut and front-nut mount for panel integration
- Inline cable connectors for easy wiring
Applications of WEIPU M12 Overmolded Connectors
The M12 A-Code Overmolded Series is optimized for:
- Industrial Automation Systems
Reliable communication for PLCs, sensors, drives, and control units.
- Robotics & Motion Control
With vibration-proof locking and strong cable anchoring.
- Outdoor & Harsh-Environment Devices
Durable IP67 protection for exposed installations.
- LED Lighting Systems
Secure and waterproof power/signaling for indoor and outdoor lighting.
- Monitoring & Environmental Sensing
Stable performance in rain, humidity, and extreme temperatures.
- Agricultural & Farming Machinery
Rugged resistance for heavy-duty outdoor machinery.
The WEIPU M12 A-Code Overmolded Series is engineered for reliability in environments where waterproofing, vibration resistance, and durability are essential. Whether used in automation, robotics, agriculture, or LED lighting, WEIPU’s M12 connectors deliver long-lasting performance and seamless integration.
Explore the M12 series or contact us for assistance in selecting the ideal connector for your project.
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