Unitronics URD-0004RH UniStream Remote I/O module featuring 4 relay outputs rated up to 2A for industrial automation, machine control and distributed Ethernet I/O applications.
£120.75
The Unitronics URD-0004RH is a robust 4-channel relay output remote I/O module designed for industrial automation, machine control and distributed I/O applications. As part of the advanced Unitronics UniStream Remote I/O series, it provides reliable relay switching for controlling motors, contactors, solenoids, valves, alarms and other field devices across Ethernet-based automation systems.
Engineered for demanding industrial environments, the URD-0004RH combines compact dimensions with dependable relay technology, making it ideal for applications requiring electrical isolation between the control system and field equipment. Its DIN rail-mounted design allows straightforward integration into UniStream Remote I/O installations while supporting scalable control architectures.
Featuring 4 relay outputs rated up to 2A, the URD-0004RH enables reliable switching of both AC and DC loads. The module includes integrated status LEDs for diagnostics and supports operation across an extended temperature range, making it suitable for harsh industrial environments.
The Unitronics URD-0004RH provides dependable relay switching for industrial control systems where electrical isolation and robust load handling are required. Relay outputs are ideal for controlling contactors, pilot lamps, alarms and other field devices operating at different voltages than the control system.
When integrated into a UniStream Remote I/O network, the module allows distributed control of equipment across machinery and plant installations while maintaining reliable communication with the central controller over Ethernet. Its compact design helps maximise cabinet space efficiency without sacrificing functionality.
| Current | 2 A |
|---|---|
| IP Rating | IP20 |
| Series | UniStream Remote I/O |
| Product type | Relay output remote I/O module |
| Outputs | 4 relay outputs |
| Relay type | SPST Form A (Normally Open) |
| Maximum output current | 2A per output |
| Maximum output voltage | 240VAC / 32VDC |
| Operating voltage | 24VDC nominal (22-26VDC) |
| Connection | 10-pin removable terminal block |
| Mounting type | DIN rail |
| Protection rating | IP20 / NEMA 1 |
| Dimensions (H × W × D) | 70 × 12 × 99 mm |
| Weight | Approx. 58 g |
| Operating temperature | -40°C to +70°C |
The URD-0004RH provides four relay outputs for switching industrial loads within UniStream Remote I/O automation systems.
The module provides 4 relay output channels.
Each relay output is rated for up to 2A under specified operating conditions.
Yes, the relay outputs can switch both AC and DC loads within their rated voltage and current specifications.
The module is designed for DIN rail mounting within UniStream Remote I/O systems and industrial control panels.
Unitronics UniStream Remote I/O modules are widely used by machine builders and industrial automation professionals to deliver reliable distributed control, flexible system expansion and dependable field connectivity.
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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...