ABB TU851 3BSE068782R1 S800 I/O Extended Module Termination Unit

Product Overview

The ABB TU851 3BSE068782R1 is an S800 I/O Termination Unit designed to serve as an interface between field wiring and I/O modules. It belongs to ABB’s modular and distributed I/O system family and supports extended module configurations. This termination unit is DIN rail mounted and plays a vital role in ensuring reliable signal and power connection within automation systems.

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Technical Specifications

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Applications

• Used in process industries for interfacing field signals to the control system

• Ideal for applications requiring extended I/O capability

• Integrated within ABB’s System 800xA for distributed automation

• Supports control in hazardous locations (Zone 2 certified)

• Applicable in sectors such as oil & gas, chemical, marine, and power generation

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Key Advantages

• Modular Integration: Simplifies wiring and maintenance

• Compact Design: Optimizes cabinet space

• Flexible Mounting: Supports both horizontal and vertical DIN rail installation

• Rugged Build: Withstands harsh industrial environments

• Global Certifications: Suitable for a wide range of industry standards

• Seamless Compatibility: Works reliably with ABB S800 I/O systems

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Frequently Asked Questions (FAQ)

Q1: What systems is the TU851 compatible with?
A1: It is compatible with ABB’s S800 I/O systems, especially within the 800xA platform.

Q2: Can TU851 be hot-swapped during operation?
A2: No, the TU851 does not support hot-swapping.

Q3: What is the typical operating temperature range?
A3: From 0°C to +55°C under standard environmental conditions.

Q4: Is this unit suitable for hazardous areas?
A4: Yes, it has ATEX Zone 2 and cULus Class 1 Zone 2 approvals.

Q5: How is the unit mounted?
A5: It is DIN rail mounted with support for vertical and horizontal configurations.

Q6: What type of field wiring can it accommodate?
A6: It supports solid and stranded wires with sizes from 0.2 to 2.5 mm².

Q7: What is the ingress protection rating of TU851?
A7: The IP20 rating per IEC 60529.

Q8: Does it support redundant configurations?
A8: No, TU851 is intended for non-redundant configurations.

Q9: What are the storage temperature conditions?
A9: Between -40°C and +70°C.

Q10: Is the unit compliant with RoHS and WEEE directives?
A10: Yes, it meets both RoHS (2011/65/EU) and WEEE (2012/19/EU) compliance.

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