Unitronics URD-0400C remote digital input expansion module featuring 4 digital inputs rated for 240 VAC operation, designed for UniStream Remote I/O automation systems.
£89.25
The Unitronics URD-0400C is a compact and reliable remote digital input expansion module designed for use within the Unitronics UniStream Remote I/O platform. Engineered for industrial automation applications, this module provides four high-voltage digital inputs, allowing machine builders and control engineers to expand system capabilities while maintaining dependable signal acquisition in demanding environments.
As part of the UniStream Remote I/O family, the URD-0400C offers seamless integration with UniStream controllers and remote I/O adapters. Its slim DIN rail design minimises panel space requirements while delivering robust performance, making it ideal for distributed automation architectures and machine control systems.
Featuring 4 digital inputs rated for 240 VAC operation, the URD-0400C is suitable for monitoring switches, sensors, auxiliary contacts and other industrial field devices. The module supports straightforward installation and dependable operation across a wide operating temperature range, ensuring long-term reliability in industrial environments.
Remote I/O modules such as the Unitronics URD-0400C enable control systems to collect field signals efficiently without requiring all wiring to return directly to the main controller. This reduces installation complexity, lowers wiring costs and improves system flexibility.
The URD-0400C is particularly suitable for machine builders, OEMs and industrial automation engineers who require reliable monitoring of high-voltage digital signals while maintaining scalable and decentralised control architectures.
| Voltage | 32 V |
|---|---|
| IP Rating | IP20 |
| Series | UniStream Remote I/O |
| Product type | Digital input expansion module |
| Digital inputs | 4 |
| Input voltage | 170–264 VAC (240 VAC nominal) |
| Supply voltage | 15–32 VDC (24 VDC nominal) |
| Input type | Sink |
| Response time | 30 ms OFF→ON / 140 ms ON→OFF |
| Connection | 10-pin removable terminal block |
| Protection rating | IP20 |
| Mounting type | DIN rail mounting |
| Operating temperature | -40°C to +70°C |
| Dimensions (H × W × D) | approx. 70 × 12 × 99 mm |
| Weight | approx. 0.2 kg |
The URD-0400C is a remote digital input module used to expand UniStream automation systems with four additional high-voltage digital inputs.
The module provides 4 digital inputs for monitoring industrial field signals.
The module accepts digital input signals in the range of 170–264 VAC, with a nominal rating of 240 VAC.
The URD-0400C is designed for standard DIN rail mounting within industrial control panels.
The URD-0400C is designed for use with the Unitronics UniStream Remote I/O platform and compatible UniStream controllers.
Unitronics UniStream Remote I/O modules are widely used in industrial automation systems where reliable signal acquisition, scalable architecture and straightforward integration are essential for machine performance and operational efficiency.
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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...