product details
ABB Bailey MMU01 MMU21 MMU22 Terminal Boards
The ABB Bailey MMU01, MMU21, and MMU22 Terminal Boards are high-quality industrial interface boards designed for ABB Bailey Distributed Control Systems (DCS), including the INFI 90 and Symphony Plus platforms. These terminal boards provide secure field wiring connections between process instruments and control modules, ensuring accurate signal transmission, reliable communication, and long-term system stability.
Designed to meet the demanding requirements of industrial automation, the MMU series terminal boards simplify cabinet wiring, improve maintenance efficiency, and reduce installation time. Their robust construction and dependable electrical performance make them suitable for both new installations and replacement projects across a wide range of industries.
Whether used in power plants, oil and gas facilities, chemical processing plants, or water treatment systems, the ABB Bailey MMU terminal boards help maintain the integrity and reliability of mission-critical control systems.
Key Features
Original ABB Bailey terminal board series
Includes MMU01, MMU21, and MMU22 models
Compatible with ABB Bailey INFI 90 and Symphony Plus DCS
Secure field wiring termination
Stable and reliable signal transmission
Industrial-grade terminal connections
Compact design for efficient cabinet installation
Durable construction for harsh industrial environments
Easy installation and replacement
Long service life with minimal maintenance
Product Advantages
Reliable Signal Connectivity
The MMU series terminal boards provide dependable electrical connections between field devices and control modules. Their optimized design minimizes signal loss and supports accurate process control in demanding industrial applications.
Industrial-Grade Construction
Manufactured using high-quality materials, these terminal boards are designed for continuous operation in environments with vibration, electrical noise, humidity, and temperature fluctuations.
Simplified Installation
Clearly labeled terminal points and an organized wiring layout help engineers reduce installation time and simplify future maintenance, troubleshooting, and system expansion.
High System Compatibility
The MMU01, MMU21, and MMU22 terminal boards integrate seamlessly with ABB Bailey automation systems, allowing users to maintain existing infrastructure while improving overall system reliability.
Typical Applications
ABB Bailey INFI 90 Distributed Control Systems
ABB Symphony Plus Control Systems
Power generation plants
Oil and gas production facilities
Petrochemical processing
Chemical manufacturing
Water and wastewater treatment
Mining and mineral processing
Pulp and paper mills
Steel and metallurgy
Cement production
Industrial manufacturing plants
Technical Benefits
Ensures stable field signal transmission
Improves overall DCS reliability
Reduces wiring complexity
Supports fast maintenance and module replacement
Enhances operational safety
Minimizes unexpected downtime
Suitable for continuous 24/7 industrial operation
Optimized for critical process automation applications
Why Choose ABB Bailey MMU Terminal Boards?
ABB Bailey has long been recognized for delivering dependable automation solutions for process industries. The MMU01, MMU21, and MMU22 Terminal Boards continue this tradition by providing reliable signal termination, durable industrial performance, and seamless integration with ABB Bailey control systems.
These terminal boards are ideal for system upgrades, preventive maintenance, and replacement of aging components, helping extend the operational life of existing DCS installations while maintaining high levels of control accuracy and system availability.
Their proven performance in demanding industrial environments makes them a preferred choice for engineers, maintenance teams, and automation professionals seeking dependable ABB Bailey spare parts.
Industries Served
Power Generation
Oil & Gas
Petrochemical
Chemical Processing
Water & Wastewater
Mining
Metallurgy
Cement
Marine
Pulp & Paper
Pharmaceutical Manufacturing
Industrial Process Automation
Conclusion
The ABB Bailey MMU01, MMU21, and MMU22 Terminal Boards provide a dependable solution for field wiring and signal termination within ABB INFI 90 and Symphony Plus automation systems. With excellent compatibility, industrial durability, stable electrical performance, and simplified maintenance, these terminal boards help maximize system reliability and minimize plant downtime, making them an essential component for modern industrial control and process automation applications.