ABB T811V1 3BSE013231R1 Compact Modular Terminal Unit

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Product Overview

The ABB T811V1 (3BSE013231R1) is a Compact Modular Terminal Unit designed for ABB Advant and AC series control systems. It provides reliable and organized wiring between I/O modules and field signals, ensuring stable signal transmission and simplified installation.

With its compact size, modular design, and robust construction, the T811V1 is ideal for use in industrial automation cabinets and distributed control systems (DCS). It enhances wiring efficiency, reduces maintenance time, and increases overall system reliability.

Technical Specifications

• Model: T811V1

• Order Code: 3BSE013231R1

• Type: Modular Terminal Unit

• Compatible Modules: ABB Advant / AC Series I/O Modules

• Number of Channels: 16 channels (standard)

• Interface Type: Plug-in terminal blocks

• Rated Voltage: 24 V DC

• Maximum Current: 2 A per channel

• Isolation Voltage: 500 V AC

• Connection Type: Screw clamp or spring terminal (depending on version)

• Operating Temperature: –25°C to +70°C

• Storage Temperature: –40°C to +85°C

• Humidity: 5% – 95% (non-condensing)

• Mounting Method: DIN rail mounting

• Dimensions: approx. 125 mm × 70 mm × 45 mm

• Weight: approx. 0.25 kg

• Housing Material: Flame-retardant plastic

• Certifications: CE, UL, IEC 61131-2

Advantages and Features

1. Modular design simplifies wiring, installation, and maintenance.

2. High reliability with robust terminals and excellent EMC performance.

3. Space-saving design ideal for compact control cabinet layouts.

4. Ease of maintenance with clear terminal labeling and modular structure.

5. Excellent compatibility with ABB Advant and AC800M control platforms.

6. Industrial-grade durability suitable for harsh process environments.

Application Areas

• Process automation systems

• Power and energy control systems

• Oil, gas, and chemical industries

• Metallurgy, paper, and cement plants

• Water treatment and environmental automation

• DCS / PLC control cabinet wiring terminal modules

Precautions

1. Ensure compatibility with the connected I/O modules before installation.

2. Check signal polarity and channel labeling to prevent miswiring.

3. Use shielded signal cables to minimize electromagnetic interference.

4. Ensure all terminals are securely tightened.

5. Regularly inspect and clean terminal connections.

6. Always disconnect system power before replacement or maintenance.

The structure and details of the product：

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