ABB TU860 | 3BSE078710R1 | Module Termination Unit

Product Overview

The TU860 (3BSE078710R1) is a high-performance Module Termination Unit (MTU) specifically engineered to support the Ethernet-based Field Communication Interface (FCI) within the ABB S800 I/O series. This unit serves as the essential physical foundation for high-speed Ethernet connectivity in distributed control architectures, providing robust electrical and mechanical support for field signal processing in demanding industrial environments.

Technical Specifications and Performance Data

This MTU is built to endure harsh environmental conditions while maintaining stable communication integrity.

• Model: TU860

• Part Number: 3BSE078710R1

• Device Type: MTU for Ethernet FCI (S800 I/O)

• Communication Protocol: Ethernet

• Hazardous Area Certification: Yes (Suitable for installation in hazardous locations)

• Operating Temperature: -40°C to +70°C (-40°F to 158°F)

• Storage Temperature: -40°C to +85°C (-40°F to 185°F)

• Relative Humidity: 5% to 95% (non-condensing)

• Operating Altitude: -1000 to 5000 m (subject to operational restrictions)

• Pollution Degree: Degree 2 per IEC 60664-1

• Protection Class: IP20 per IEC 60529

• Overvoltage Category: Category II per IEC 60664-1

• Compliance Standards: CE-marked, UKCA certified, IEC 61131-2, IEC/EN 61000-6-4, IEC/EN 61000-6-2

Operational Reliability and Environmental Compliance

Designed for industrial control engineers, the TU860 (3BSE078710R1) ensures consistent data throughput in critical infrastructure. The unit is fully qualified for operation in extreme temperatures and is rated for use in hazardous areas, providing the necessary safety margins required for process automation. Its mechanical design adheres to rigorous international standards, guaranteeing EMI/EMC resilience and protection against common environmental stressors.