ABB TU843 50V Terminal Unit | Vertical Mounting

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.