ABB TU831 3BSE008530R1 S800 I/O Extended Module Termination Unit

The ABB TU831 3BSE008530R1 is an extended Module Termination Unit (MTU) in the S800 I/O series. Designed for 250 V applications, it enables robust signal and power termination for analog and digital I/O modules. With two terminal rows and DIN rail mounting, TU831 ensures secure connectivity in industrial automation systems.

Technical Specifications

Applications

• Industrial DCS systems requiring high-voltage I/O termination

• Automation in power plants, chemical plants, and refineries

• Interfaces for analog and digital process signal wiring

• Situations requiring 250 V rated extended module termination

Advantages

• Supports high-voltage I/O modules (up to 250 V)

• Compact and efficient DIN rail installation

• Simplifies process wiring via terminal blocks

• Ensures reliable module positioning and locking

• Suitable for both 2-wire and 3-wire configurations

• Rugged and G3 compliant for harsh environments

Frequently Asked Questions (FAQ)

Q1: How many channels does the TU831 support?

A1: The TU831 supports 8 I/O channels.

Q2: Is TU831 compatible with 250 V modules?

A2: Yes, it is designed specifically for 250 V applications.

Q3: Can the TU831 be used with redundant modules?

A3: No, TU831 is for single module configurations only.

Q4: What is the mounting method?

A4: It is DIN rail mounted.

Q5: Does TU831 support 3-wire field devices?

A5: Yes, it supports both 2-wire and 3-wire wiring.

Q6: Are fuses integrated into the TU831?

A6: No, the TU831 does not include fuse holders.

Q7: What is the operating temperature range?

A7: -20°C to +70°C.

Q8: What type of ABB modules can be used with TU831?

A8: Compatible with select analog and digital modules rated for 250 V.

Q9: Is hot-swapping supported?

A9: The I/O module can be removed safely if process power is turned off.

Q10: What environmental compliance does it meet?

A10: It is G3 compliant, suitable for harsh industrial environments.