Wago 750-425 2Di, Namur

Why Choose the WAGO 750-425 2-Channel NAMUR Digital Input Module?

The WAGO 750-425 is a specialised 2-channel NAMUR digital input module designed for the WAGO I/O System 750. It allows PLCs and industrial controllers to monitor signals from NAMUR proximity sensors in hazardous or safety-critical environments, ensuring reliable detection of field device states.

The module receives signals from NAMUR sensors according to DIN EN 60947-5-6 and converts them into digital process data for a connected WAGO fieldbus coupler or controller. Integrated signal evaluation ensures reliable sensor monitoring even in electrically demanding industrial installations. :contentReference

Designed for modular automation architectures, the module includes high-side switching inputs, electrical isolation between system and field levels, and secure CAGE CLAMP® spring pressure connection technology for vibration-resistant wiring. Its compact 12 mm DIN rail housing allows efficient installation in distributed control cabinets. :contentReference

Key Advantages

• Reliable 2-channel NAMUR digital input module for industrial automation.
• Compatible with NAMUR proximity sensors per DIN EN 60947-5-6.
• High-side switching inputs for stable sensor signal detection.
• Integrated 3 ms input filtering improves signal stability.
• CAGE CLAMP® spring terminals provide secure maintenance-free wiring.
• Compact module for distributed I/O systems and high-density control cabinets.

Key Features

• 2 digital input channels.
• NAMUR sensor compatibility.
• 24 V system supply provided through the I/O node.
• 3 ms digital input filter.
• High-side switching input characteristic.
• Designed for industrial proximity sensors.
• LED indicators for channel status.
• DIN rail mounted modular design.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-425
• Module type: NAMUR digital input module
• Number of inputs: 2 channels
• Sensor type: NAMUR proximity sensors
• Input filter: approx. 3 ms
• Input characteristic: High-side switching
• System supply voltage: 5 V DC (from system bus)
• Isolation: approx. 500 V between field and system levels
• Connection technology: CAGE CLAMP® spring terminals
• Mounting: 35 mm DIN rail
• Module width: approx. 12 mm
• Protection rating: IP20
• Operating temperature: approx. 0 °C to +55 °C

Industrial NAMUR Sensor Monitoring

NAMUR proximity sensors are widely used in industrial environments, particularly in process industries and hazardous areas. They operate using defined current levels to represent switching states, allowing safe signal transmission even in electrically noisy environments.

The WAGO 750 Series modular I/O platform allows NAMUR sensor signals to be integrated directly into distributed PLC networks. Engineers can build scalable control systems where sensor monitoring, machine control and process automation operate within a unified fieldbus architecture.

Typical Applications

• NAMUR proximity sensor monitoring.
• Process automation and instrumentation systems.
• Industrial machinery requiring intrinsically safe sensor signals.
• Distributed I/O installations for PLC control systems.
• Hazardous area sensor monitoring when used with appropriate barriers.

Trusted by Automation Engineers

WAGO 750 Series I/O modules are widely used by system integrators and automation engineers to build scalable distributed control systems across manufacturing and process automation environments.