Why Choose the Unitronics URA-0400U Remote I/O Module?
The Unitronics URA-0400U is a high-precision analogue voltage input remote I/O module designed for industrial automation, machine control and process monitoring applications. As part of the advanced Unitronics UniStream Remote I/O series, it enables accurate acquisition of voltage signals from sensors, transmitters and field devices across distributed control systems.
Engineered for applications requiring enhanced measurement accuracy, the URA-0400U features 16-bit analogue resolution, providing superior signal precision compared to standard analogue modules. Its compact DIN rail-mounted design maximises panel space while integrated diagnostic LEDs simplify installation and maintenance.
With 4 analogue voltage inputs supporting 0-10 VDC, 0-5 VDC and 1-5 VDC signals, the URA-0400U is ideal for monitoring pressure sensors, position transducers, level instruments and other analogue field devices. Its rugged industrial construction and extended temperature range ensure dependable operation in demanding environments.
Key Advantages
Compact remote analogue voltage input module for UniStream systems.
4 analogue voltage inputs supporting multiple voltage ranges.
16-bit analogue resolution for highly accurate measurements.
Suitable for distributed and remote I/O architectures.
18-32 V DC operating voltage range.
Extended temperature design for harsh industrial environments.
Key Features
Unitronics UniStream Remote I/O series.
4 analogue voltage input channels.
Input ranges: 0-10 VDC, 0-5 VDC and 1-5 VDC.
16-bit conversion resolution.
DIN rail mounting design.
Integrated LED status indicators.
Compact 12 mm wide housing.
Designed for distributed automation systems.
Technical Specifications
Manufacturer: Unitronics
Series: UniStream Remote I/O
Model: URA-0400U
Product type: Analog voltage input remote I/O module
Analogue inputs: 4
Input signal range: 0-10 VDC / 0-5 VDC / 1-5 VDC
Resolution: 16-bit
Supply voltage: 18-32 V DC (24 V DC nominal)
Protection rating: IP20
Mounting type: DIN rail
Connection: 1 × 10-pin removable terminal block
Operating temperature: -40°C to +70°C
Dimensions (H × W × D): 70 × 12 × 99 mm
High Accuracy Voltage Signal Acquisition
The Unitronics URA-0400U is designed to provide precise acquisition of analogue voltage signals from industrial instrumentation and field devices. Its 16-bit analogue conversion technology delivers excellent measurement resolution, making it ideal for applications requiring accurate monitoring and process control.
When integrated into a UniStream Remote I/O network, the module enables scalable automation architectures while maintaining reliable communication between field devices and central control systems. This flexibility makes it suitable for both machine-level automation and plant-wide process applications.
Typical Applications
Industrial process automation.
Machine monitoring and control systems.
Building management systems.
Pressure, position and level sensing applications.
Utilities and infrastructure monitoring.
Distributed and remote I/O installations.
Technical Specifications
Voltage
32 V
IP Rating
IP20
Series
UniStream Remote I/O
Product type
Analog voltage input remote I/O module
Analogue inputs
4
Input signal range
0-10 VDC / 0-5 VDC / 1-5 VDC
Resolution
16-bit
Supply voltage
18-32 V DC (24 V DC nominal)
Protection rating
IP20
Mounting type
DIN rail
Connection
1 × 10-pin removable terminal block
Operating temperature
-40°C to +70°C
Dimensions (H × W × D)
70 × 12 × 99 mm
Frequently Asked Questions
What is the Unitronics URA-0400U used for?
The URA-0400U is used to acquire analogue voltage signals from industrial sensors and transmitters for monitoring and automation applications.
How many analogue inputs does the module provide?
The module provides 4 analogue voltage input channels.
Which voltage ranges are supported?
The URA-0400U supports 0-10 VDC, 0-5 VDC and 1-5 VDC analogue voltage signals.
What resolution does the module offer?
The module features 16-bit analogue resolution for highly accurate signal acquisition and monitoring.
Where is the URA-0400U typically installed?
The module is designed for DIN rail mounting within industrial control panels and distributed automation systems.
Trusted for Precision Industrial Automation
Unitronics UniStream Remote I/O modules are widely used in industrial automation systems where accurate signal acquisition, scalable control architectures and dependable field connectivity are essential.
Voltage
32 V
IP Rating
IP20
Series
UniStream Remote I/O
Product type
Analog voltage input remote I/O module
Analogue inputs
4
Input signal range
0-10 VDC / 0-5 VDC / 1-5 VDC
Resolution
16-bit
Supply voltage
18-32 V DC (24 V DC nominal)
Protection rating
IP20
Mounting type
DIN rail
Connection
1 × 10-pin removable terminal block
Operating temperature
-40°C to +70°C
Dimensions (H × W × D)
70 × 12 × 99 mm
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
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Trusted Manfacturers
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Common questions about our products and support
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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...