ABB TU891 3BSC840157R1 | Non-IS Termination Unit for Industrial Wiring
Manufacturer: ABB
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Part Number: TU891 3BSC840157R1
Condition：New with Original Package
Product Type: Non-IS Termination Unit for Industrial Wiring
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The ABB TU891 is a Compact Termination Unit (MTU) designed for use with ABB S800 I/O modules in System 800xA. It serves as the essential interface between field wiring and the I/O modules, ensuring secure and reliable signal transmission. The TU891 is specifically designed for non-IS environments, making it ideal for standard industrial applications where intrinsic safety certification is not required.
This termination unit provides 3×9 signal terminals, making it easy to connect various field wiring to I/O modules. With its DIN-rail mounting feature, the TU891 is easy to install in control panels or cabinets. The TU891 is built to offer long-term durability and reliable performance in demanding industrial environments.
Key Highlights:
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Termination unit (MTU) for ABB S800 I/O modules.
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Non-IS version (not suitable for intrinsically safe circuits).
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3×9 signal terminals (total of 27 terminals).
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DIN-rail mounted for easy installation.
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Compact design for space-efficient installation.
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Suitable for use in process automation, power generation, oil & gas, and other industrial automation applications.
Technical Specifications
| Attribute | Specification |
|---|---|
| Model | TU891 |
| Part Number | 3BSC840157R1 |
| Type | Module Termination Unit (MTU) |
| System Compatibility | ABB System 800xA / S800 I/O |
| Signal Terminals | 3 × 9 terminals (27 total) |
| Safety Classification | Non‑IS (not for intrinsically safe circuits) |
| Dimensions (W × H × D) | 64 × 194 × 58 mm |
| Weight | 0.17 kg |
| Mounting | DIN-rail |
| Operating Temperature | –20 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Protection Class | IP20 |
| Country of Origin | Sweden |
| Application Areas | Industrial automation, field wiring termination |
FAQ
Q: What is the ABB TU891 used for?
A: The ABB TU891 is a compact termination unit used to connect field wiring to I/O modules in System 800xA. It ensures secure signal transmission and is designed for non-IS environments.
Q: How many signal terminals does the ABB TU891 have?
A: The TU891 provides 3×9 signal terminals, totaling 27 terminals for wiring connections.
Q: Can the ABB TU891 be used in intrinsically safe circuits?
A: No, the ABB TU891 is a non-IS version and is not suitable for intrinsically safe circuits.
Q: How is the ABB TU891 mounted?
A: The TU891 is mounted on a DIN-rail, making it easy to install in industrial control panels or cabinets.
Q: What industries use the ABB TU891?
A: The TU891 is commonly used in process automation, power generation, oil & gas, and other industries requiring robust field wiring termination.