ABB CI810B 3BSE020520R1 I/O Module
The ABB CI810B 3BSE020520R1 is a high-performance I/O module engineered for industrial automation systems. It delivers precision control and reliable data acquisition in demanding environments like power plants, manufacturing facilities, and process industries. This module serves as a critical interface between controllers and field devices, ensuring seamless system integration and real-time monitoring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | CI810B 3BSE020520R1 |
| Operating Voltage | 220-440 V AC |
| Operating Temperature | -25°C to +60°C |
| Processor | 32-bit microprocessor |
| Communication Interfaces | RS-485, Ethernet |
| Custom Processing | Available upon request |


Application Scenarios
This module is integral to ABB’s AC 800M control systems, commonly deployed in:
- Power generation turbine control systems
- Process automation in chemical plants
- Safety Instrumented Systems (SIS)
- DCS/PLC redundancy configurations
Compatible with ABB S800 I/O series and designed for seamless integration with control units like PM802F and PM803F processors.
Our Commitment & Services
Hong Kong Saul Electric Co., Ltd. is a globally leading supplier of industrial automation components with over 15 years of technical excellence. As certified partners for ABB, we maintain Asia’s largest inventory of specialized automation parts across 40+ brands.
Professional Support: Our experts provide technical consultation and installation guidance.
1-Year Warranty: All products include comprehensive 12-month售后保障.
Sourcing Solutions: Can’t find your model? Contact us via WhatsApp for hard-to-find components.
For pricing details and technical specifications, contact our specialists:
Email: 3931184055@qq.com
WhatsApp: +86 180 3027 4832




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