ABB TU845 3BSE021447R1 Termination Units

Overview

The TU845 is a highly reliable 8-channel module termination unit (MTU) designed for use with ABB’s redundant S800 I/O modules. It is a passive unit for connecting field wiring to I/O modules and includes part of the ModuleBus. Mounting on a vertical DIN rail, it is ideal for distributed control systems and industrial automation applications where high voltage and current stability are crucial.

Technical Specifications

• Brand: ABB
• Model: TU845
• I/O Channels: 8
• Process Power: 4 process power (L+), 20 process power (0 V)
• Current Ratings: 2A per I/O channel, 5A per process voltage
• Wire Sizes: Solid (0.2 – 4 mm²), Stranded (0.2 – 2.5 mm², 24 – 12 AWG)
• Torque: 0.5 – 0.6 Nm
• Mounting: DIN rail (131mm x 64mm x 186.5mm)
• Weight: 0.6 kg (1.3 lbs.)
• Mechanical Keying: 36 configurations possible
• Protection Rating: IP20
• Dielectric Test Voltage: 500 V a.c.
• Rated Insulation Voltage: 50V

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units