Wago 750-405 2Di, 230 Vac

Why Choose the WAGO 750-405 2-Channel Digital Input Module?

The WAGO 750-405 is a reliable 2-channel digital input module designed for the WAGO I/O System 750. It allows controllers to monitor 230 V AC field signals from switches, sensors and control devices, enabling accurate detection of machine states in industrial automation systems.

This module captures digital input signals and transfers the information to a connected WAGO fieldbus coupler or programmable controller. The unit supports 2-wire, 3-wire and 4-wire sensor connections, providing flexible installation across industrial control cabinets and distributed automation networks. :contentReference

Engineered for dependable industrial performance, the module includes high-side switching inputs, LED status indicators for each channel and secure CAGE CLAMP® spring pressure terminals. The compact DIN rail design allows easy integration into high-density control panels and modular I/O systems. :contentReference

Key Advantages

• Reliable 2-channel digital input interface for automation systems.
• Designed for monitoring 230 V AC digital signals.
• Compatible with the WAGO 750 Series modular I/O system.
• High-side switching inputs for accurate signal detection.
• CAGE CLAMP® spring terminals provide vibration-resistant wiring.
• Compact module design for space-efficient control cabinets.

Key Features

• 2 digital input channels.
• 230 V AC input signal voltage.
• High-side switching input characteristic.
• Supports 2-wire, 3-wire and 4-wire sensor connections.
• 10 ms digital input filter.
• LED indicators for DI1 and DI2 status.
• DIN rail mounted modular I/O design.
• CAGE CLAMP® connection technology.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-405
• Module type: Digital input module
• Number of inputs: 2 channels
• Input signal voltage: 230 V AC
• Voltage range signal 0: 0–40 VAC
• Voltage range signal 1: 164 VAC to 1.1 × nominal voltage
• Signal frequency: 45–65 Hz
• Input current per channel: approx. 6.5 mA
• Input filter: 10 ms
• Connection technology: CAGE CLAMP® spring terminals
• Mounting: 35 mm DIN rail
• Protection rating: IP20
• Operating temperature: approx. 0 °C to +55 °C
• Application: Monitoring AC control signals from field devices

Industrial AC Signal Monitoring

Industrial automation systems often rely on AC control signals from switches, sensors and signalling equipment. Digital input modules allow controllers to capture these signals and convert them into process data used by PLCs and automation software.

The WAGO 750 Series modular I/O platform enables scalable distributed automation systems where signals from machines and field devices can be easily integrated into central or decentralised control architectures.

Typical Applications

• Monitoring AC control signals in industrial machinery.
• Switch and contact status detection.
• PLC monitoring of 230 V signalling circuits.
• Building automation and facility management systems.
• Distributed industrial control systems.

Trusted by Automation Engineers

WAGO modular I/O systems are widely used by machine builders and system integrators to deliver dependable signal monitoring and scalable control architectures in industrial automation.