ABB UNS0874A Digital I/O Module – Industrial Automation Solution
The ABB UNS0874A Digital I/O Module delivers scalable and flexible digital input/output operations for industrial automation systems. Engineered for reliability in demanding environments, this module provides cost-effective integration with ABB PLC systems, enabling precise data collection and process control across manufacturing, oil/gas, and utility applications.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | UNS0874A |
| Product Type | Programmable Controller Module |
| Dimensions (D×H×W) | 12.7 × 7.6 × 12.7 cm |
| Weight | 0.3 kg |
| Compatibility | ABB PLC Systems |
| Certifications | International Safety & Quality Standards |


Application Scenarios & Integration
Ideal for space-constrained industrial environments, this compact module excels in process monitoring and control applications across:
- Manufacturing production lines
- Oil & gas refinery control systems
- Power utility substations
- Water treatment facilities
Features wide operating temperature tolerance and user-friendly configuration for seamless integration with ABB AC500, AC800M, and Compact 800 series PLCs. Robust construction ensures reliable performance in high-vibration and harsh-condition installations.
Vertex Industrial – Your Automation Partner
Vertex Industrial sources industrial automation hardware globally, specializing in new surplus and refurbished components from ABB, Siemens, Rockwell, and 20+ leading brands. Our services include:
- 1-year warranty on all products
- Expert pre-sales technical consultation
- Dedicated after-sales support team
- Global sourcing network for hard-to-find components
Contact us for current pricing and availability: Contact via WhatsApp
Can’t find your required model? We’ll source it for you – Email our procurement team

















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