Why Choose the WAGO 750-401 2-Channel Digital Input Module?
The WAGO 750-401 is a compact 2-channel digital input module designed for the WAGO I/O System 750/753. It captures 24 V DC signals from field devices such as sensors, push buttons and limit switches and transmits these signals to the PLC via the system bus for monitoring and control.
Each channel includes a built-in noise suppression filter that ensures stable and reliable signal detection in electrically noisy industrial environments. The module provides electrical isolation between field wiring and system electronics, protecting the control system while maintaining dependable operation.
With its slim design and reliable CAGE CLAMP® spring pressure connection technology, the module allows fast installation, secure wiring and efficient use of space within control cabinets and distributed automation systems.
Key Advantages
Reliable 2-channel digital signal acquisition for automation systems.
Designed for 24 V DC sensor and switch signals.
Integrated input filtering for improved noise immunity.
Electrical isolation between field and system levels.
Compact 12 mm DIN-rail module for high-density installations.
Fast wiring using CAGE CLAMP® connection technology.
Key Features
2 digital input channels.
Designed for 24 V DC digital signals.
Approx. 3 ms input filter for stable signal detection.
Supports 2-, 3- and 4-wire sensor connections.
Integrated status LEDs for each input channel.
CAGE CLAMP® spring terminals for fast wiring.
DIN-rail mounting for control cabinet installation.
Reliable Distributed I/O Signal Monitoring
Digital input modules are essential components of distributed automation systems. They enable PLC controllers to monitor field devices such as sensors, switches and safety contacts. The WAGO 750-401 converts these signals into process data that can be used by the control system for machine monitoring and automation tasks.
Within the modular WAGO I/O System 750/753, the module integrates seamlessly with fieldbus couplers and controllers, allowing flexible expansion of distributed I/O architectures in industrial installations.
Typical Applications
Industrial machine automation.
Monitoring sensors and proximity switches.
Factory production and assembly lines.
Packaging and material handling equipment.
Distributed PLC I/O systems.
Technical Specifications
Voltage
24 V
IP Rating
IP20
Series
WAGO I/O System 750 / 753
Device type
Digital input module
Number of inputs
2
Rated input voltage
24 V DC
Signal voltage (0)
−3 V to +5 V DC
Signal voltage (1)
15 V to 30 V DC
Input current
approx. 4.5 mA
Input filter
approx. 3 ms
Field supply voltage
24 V DC (−25% to +30%)
System supply voltage
5 V DC via data contacts
Isolation voltage
approx. 500 V (system/field)
Connection technology
CAGE CLAMP®
Module width
12 mm
Mounting
DIN-35 rail
Operating temperature
approx. 0 °C to +55 °C
Protection rating
IP20
HS Code
85389099
Country of Manufacture
Germany
Frequently Asked Questions
What does the WAGO 750-401 module do?
It receives digital signals from field devices such as sensors or switches and transfers them to the PLC through the WAGO I/O system.
How many input channels does the module provide?
The module includes two digital input channels.
What voltage signals can be connected?
The module is designed for 24 V DC digital signals, with logic 1 recognised between approximately 15 V and 30 V.
Can industrial sensors be connected directly?
Yes. The module supports typical industrial sensor wiring including 2-, 3- and 4-wire sensors.
Where is the module installed?
The module is mounted on a DIN rail within the WAGO I/O System 750/753 assembly inside industrial control cabinets.
Trusted by Automation Engineers
WAGO digital input modules are widely used by control engineers to monitor sensors and field devices reliably within distributed industrial automation systems.
Voltage
24 V
IP Rating
IP20
Series
WAGO I/O System 750 / 753
Device type
Digital input module
Number of inputs
2
Rated input voltage
24 V DC
Signal voltage (0)
−3 V to +5 V DC
Signal voltage (1)
15 V to 30 V DC
Input current
approx. 4.5 mA
Input filter
approx. 3 ms
Field supply voltage
24 V DC (−25% to +30%)
System supply voltage
5 V DC via data contacts
Isolation voltage
approx. 500 V (system/field)
Connection technology
CAGE CLAMP®
Module width
12 mm
Mounting
DIN-35 rail
Operating temperature
approx. 0 °C to +55 °C
Protection rating
IP20
HS Code
85389099
Country of Manufacture
Germany
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...