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SKU:3BSE021443R1
ABB TU843 50V Terminal Unit | Vertical Mounting
Manufacturer: ABB
Product No.: 3BSE021443R1
Product Type: Terminal Block
Product Origin: SE
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months
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Description
Product Overview
The ABB TU843 terminal block delivers reliable 16-channel connection for industrial automation. This vertical-mount unit belongs to the Advant-800xA series. The TU843 provides secure signal interface in demanding control systems.
Product Identification
- Manufacturer: ABB
- Model Number: TU843
- Article Number: 3BSE021443R1
- Product Series: Advant-800xA
- Connection Type: 16-channel terminal block
Electrical Specifications
- Voltage Rating: 50V operating voltage
- Channel Current: 3A maximum per I/O channel
- Process Current: 10A maximum for process connection
- Process Power: 20V range (0V to 20V)
- Dielectric Strength: 500V AC test voltage
Mechanical & Installation Features
- Mounting Style: Vertical orientation installation
- Wire Sizes: Solid wire: 0.2-4 mm²
- Wire Compatibility: Stranded: 0.2-2.5 mm² (24-12 AWG)
- Installation Torque: 0.5-0.6 Nm recommended setting
- Stripping Length: Prepare 7 mm of wire insulation
Physical Dimensions
- Unit Weight: 0.6 kg (1.3 lbs)
- Width: 131 mm (5.16 inches)
- Depth: 64 mm (2.52 inches)
- Height: 186.5 mm (7.34 inches)
- Compact Design: Space-efficient terminal block
Environmental Specifications
- Operating Temperature: 0°C to +55°C (32°F to 131°F)
- Storage Range: -40°C to +70°C (-40°F to 158°F)
- Humidity Range: 5% to 95% RH, non-condensing
- Protection Rating: IP20 (IEC 60529)
- Pollution Degree: Degree 2 per IEC 60664-1
Compliance & Standards
- EMC Standards: EN 61000-6-4, EN 61000-6-2
- Mechanical Standard: IEC/EN 61131-2
- Overvoltage Category: IEC/EN 60664-1
- RoHS Compliance: Yes, meets EN 50581:2012
- WEEE Directive: 2012/19/EU compliant
FAQ
- What system is the TU843 designed for?
- This terminal block works with ABB's Advant-800xA automation series.
- How many connections does this terminal block provide?
- The TU843 offers 16 individual channels for wiring connections.
- What is the main mounting orientation?
- This unit is designed for vertical mounting in control cabinets.
Additional Specifications
- White
- Gray
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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30-day return support with a 12-month warranty for reliable after-sales protection.
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