Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The TU830‑1 (3BSE006972R1) is an industrial‑grade termination and interfacing unit designed for modular I/O systems used in automation and control systems. It provides a clean, organized, and reliable method to connect field wiring — such as sensors, switches, and actuators — to internal distributed I/O modules.
This module offers a balanced combination of channel density and physical compactness, optimized for medium‑sized control panels. It supports secure screw terminal connections and mechanical keying to minimize wiring errors, and is engineered for rugged industrial environments with consistent performance over extended service life.
Brand: ABB Professional Electrical Instruments
Series: S800 I/O — Termination and Interface Modules
The S800 I/O series is a modular automation platform consisting of termination units and interchangeable I/O modules. The series is widely used in industrial process control, manufacturing automation, and infrastructure systems where flexible, scalable and maintainable I/O architectures are needed. The TU830‑1 model belongs to this series and offers a specific channel configuration in the termination family.
| Parameter | Specification |
|---|---|
| Model | TU830‑1 (3BSE006972R1) |
| Function | Medium‑Density Module Termination Unit (MTU) |
| Channels | 24 |
| Rated Signal Voltage | Up to 50 V |
| Maximum Current per Channel | 2 A |
| Maximum Process Power Current | 6 A |
| Wire Size Supported | Solid: 0.2–4 mm²; Stranded: 0.2–2.5 mm² |
| Mounting | DIN‑rail (Horizontal or Vertical) |
| Protection Rating | IP20 |
| Operating Temperature | ‑20 °C to +60 °C |
| Storage Temperature | ‑40 °C to +85 °C |
| Housing Material | Industrial‑grade polymer with screw terminals |
| Dimensions (mm) | 80 × 190 × 60 |
| Weight (kg) | 0.30 |
The TU830‑1 termination unit is designed for use in numerous industrial and automation environments where medium‑sized I/O signal termination and interface are required. Typical applications include:
• Organized connection of field devices (sensors, actuators, switches) to PLC, DCS, or RTU systems.
• Mid‑range distributed I/O systems in manufacturing facilities, process plants, and utilities.
• Control cabinets where space is limited, yet reliable and organized wiring is essential.
• Retrofitting legacy installations with modular distributed I/O systems.
• Supporting data acquisition and monitoring in automation systems.
• Infrastructure automation such as water treatment, transportation control, building systems, and energy distribution.
The TU830‑1 module offers several practical advantages in industrial system design:
• Balanced Channel Capacity: With 24 channels, it accommodates moderate signal density without requiring large panel space.
• Robust Electrical Termination: Screw terminal connections provide solid, low‑resistance contact for reliable signal transmission.
• Mechanical Keying: Helps prevent incorrect module placement and reduces wiring mistakes during maintenance or installation.
• DIN‑Rail Compatibility: Standard DIN‑rail mounting enables quick installation, removal, and replacement.
• Organized Layout: Clear grouping of channels improves wiring clarity and minimizes documentation errors.
• Industrial Reliability: Designed to operate across a wide temperature range and withstand typical industrial vibrations and conditions.
• Modular Flexibility: Can be combined with other termination units and I/O modules in the S800 series for tailored system configurations.
• Maintenance‑Friendly: Well‑organized terminals simplify troubleshooting and future system expansion.
| Model | Channels | Rated Voltage | Mounting | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| TU810V1 (3BSE013230R1) | 16 | Up to 50 V | DIN‑rail | 64 × 170 × 58.5 | 0.20 |
| TU811V1 (3BSE013231R1) | 8 | Up to 50 V | DIN‑rail | 64 × 170 × 58.5 | 0.15 |
| TU812V1 (3BSE013232R1) | 16 | Up to 50 V | DIN‑rail | 64 × 170 × 58.5 | 0.20 |
| TU814V1 (3BSE013233R1) | 24 | Up to 50 V | DIN‑rail | 80 × 190 × 60 | 0.28 |
| TU840V1 (3BSE013235R1) | 32 | Up to 50 V | DIN‑rail | 90 × 200 × 65 | 0.35 |
These related models vary in channel count and size but share the same platform and installation principles, offering designers flexibility based on the number of required signal connections.
| Model | Application | Module Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AI810 | Analog Input Module | I/O Module | 62 × 170 × 58 | 0.22 |
| DI830 | Digital Input Module | I/O Module | 62 × 170 × 58 | 0.22 |
| DO880 | Digital Output Module | I/O Module | 62 × 170 × 58 | 0.23 |
| AO845 | Analog Output Module | I/O Module | 62 × 170 × 58 | 0.22 |
| DP840 | Digital Processing Module | I/O Module | 62 × 170 × 58 | 0.25 |
Q1: What is the primary purpose of the TU830‑1?
A1: TU830‑1 is a medium‑density termination unit that interface field wiring with internal distributed I/O modules in automation and control systems.
Q2: How many field signal connections does it support?
A2: It supports 24 channels for field signal termination.
Q3: What signal voltage is it designed for?
A3: The module is rated for connecting field signals up to 50 V.
Q4: What is the maximum current per channel?
A4: Each channel can handle up to 2 A.
Q5: What size of wiring does it accept?
A5: It supports solid wires from 0.2 mm² to 4 mm² and stranded wires from 0.2 mm² to 2.5 mm².
Q6: Does TU830‑1 include any mechanical aids for correct installation?
A6: Yes, mechanical keying helps prevent incorrect insertion during installation.
Q7: What is the protection rating of this termination unit?
A7: The module has an IP20 protection rating suitable for control cabinet enclosures.
Q8: What is the operating temperature range?
A8: It is designed to operate between ‑20 °C and +60 °C.
Q9: How is the module mounted?
A9: TU830‑1 can be mounted on standard DIN rails, horizontally or vertically.
Q10: Can this unit be integrated with other modules?
A10: Yes, it is fully compatible with other termination and I/O modules in the S800 I/O series.