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Product Name: Redundant I/O Module Termination Unit
Brand Name: ABB
Model Number: TU843 3BSE021443R1
Place of Origin: SWEDEN
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
The ABB TU843 3BSE021443R1 Redundant I/O Module Termination Unit is an industrial termination solution designed for secure and organized connection of redundant I/O modules in ABB automation systems. Manufactured in Sweden, it provides a reliable interface between field wiring and control system I/O modules, ensuring stable signal transmission and safe electrical distribution.
The unit is engineered for robust installation in control cabinets using DIN rail mounting, supporting efficient wiring management and high system reliability in critical automation applications.
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Sales: |
Email: |
Whatsapp: |
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Jim Pei |
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Minimum Order Quantity |
1 Piece |
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Price |
Contact for Jim |
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Packaging Details |
Original new Factory Sealed |
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Delivery Time |
3–7 Days |
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Payment Terms |
T/T |
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Shipping Method |
DHL / FedEx / UPS / TNT |
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Supply Ability |
In stock |
| Product Name | ABB TU843 3BSE021443R1 Redundant I/O Module Termination Unit |
| Manufacturer | ABB |
| Product Type | Redundant I/O Module Termination Unit |
| Part Number | TU843 3BSE021443R1 |
| Weight | 0.62 kg |
| Estimated shipping dimensions | 18.5x13x6.5cm |
| Place of shipment | Xiamen, China |
| Country of origin | SWEDEN |
| Channels | Up to 16 I/O channels |
| Rated Voltage | 50 V |
| Current per Channel | 3 A max |
| Process Power Rating | 10 A (field supply terminals) |
| Mounting Orientation | Vertical DIN rail |
| Terminal Type | Screw clamp |
| Wire Range | Solid: 0.2–4 mm²; Stranded: 0.2–2.5 mm² (24–12 AWG) |
| Torque (screws) | 0.5–0.6 Nm |
| Strip Length | 7 mm |
| Operating Temperature | 0 to +55 °C (+32 to +131 °F) |
| Storage Temperature | -40 to +70 °C (-40 to +158 °F) |
| Humidity | 5–95% non-condensing |
| Protection Rating | IP20 (IEC 60529) |
| Corrosion Resistance | ISA-S71.04 G3 |
The ABB TU843 3BSE021443R1 Termination Unit is widely used in industrial automation systems requiring reliable I/O wiring and redundancy support.
Reliable Redundant I/O Support
Enables stable connection of redundant I/O modules, improving system availability and fault tolerance.
Efficient Power Distribution
Supports up to 10 A field supply, ensuring stable power delivery to connected I/O circuits.
High Wiring Capacity
Accommodates up to 16 I/O channels with flexible wire range compatibility for industrial installations.
Robust Electrical Design
Rated for up to 50 V and 3 A per channel, ensuring safe and stable operation in control systems.
Industrial-Grade Durability
Operates in temperatures from 0 to +55 °C with strong resistance to humidity and corrosion (G3 rating).
Safe and Secure Installation
Uses screw clamp terminals with defined torque specifications for reliable long-term connections.
Compact DIN Rail Mounting
Vertical DIN rail design allows efficient space utilization and organized control cabinet layout.
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