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ABB TU831V1 specialized Module Termination Unit (MTU)

ABB TU831V1 (3BSE013235R1) is an Extended Module Termination Unit (MTU) developed for ABB S800 I/O and ABB Ability™ System 800xA environments. The unit acts as the connection interface between field devices and I/O modules, providing reliable signal termination and ModuleBus communication distribution.

The TU831V1 distributes the ModuleBus to connected I/O modules and automatically manages module addressing through outgoing position signals. Its extended terminal layout offers improved wiring flexibility and supports up to eight isolated field signal channels. The unit features mechanical keying to prevent incorrect module insertion and a DIN-rail locking mechanism for secure grounding and installation.

Designed for demanding industrial environments, TU831V1 delivers long-term reliability, simplified maintenance, and efficient signal management for process control and factory automation systems.

Supports Up to 8 Isolated Channels

Provides reliable connection and signal isolation for up to eight field signal channels.

250V Industrial Voltage Rating

Suitable for a wide range of industrial automation and process control applications.

Reliable ModuleBus Distribution

Ensures stable communication between S800 I/O modules and control systems.

Mechanical Keying Protection

Prevents incorrect I/O module installation and reduces maintenance errors.

Secure DIN-Rail Installation

Integrated locking mechanism provides grounding and stable mounting.

Simplified Wiring Management

Extended terminal design offers more wiring space and easier field connections.

ABB TU831V1 is widely used in:

• ABB S800 I/O Systems

• ABB Ability™ System 800xA

• ABB Advant Control Systems

• Distributed Control Systems (DCS)

• Power Generation Plants

• Oil & Gas Facilities

• Petrochemical Processing

• Water & Wastewater Treatment

• Mining Operations

• Pulp & Paper Mills

• Industrial Manufacturing Plants

• Process Automation Projects

What is ABB TU831V1 used for?

TU831V1 is an Extended Module Termination Unit used to connect field wiring, distribute ModuleBus communication, and support ABB S800 I/O modules.

What is the ABB part number for TU831V1?

The official ABB ordering number is 3BSE013235R1.

How many I/O channels does TU831V1 support?

The unit supports up to 8 isolated I/O channels and 16 process connections.

What is the maximum voltage rating?

TU831V1 supports a maximum rated voltage of 250 V and a maximum current of 3 A per channel.

Which ABB I/O modules are compatible with TU831V1?

The unit is designed for use with DI820, DI821, DO820, and DO821 I/O modules.

Does TU831V1 support DIN-rail mounting?

Yes. It is designed for standard DIN-rail installation with an integrated locking mechanism.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.