ABB TU841 3BSE020848R11 S800 I/O Redundant Module Termination Unit (MTU)

FAQ

Q1: What is the primary function of the ABB TU841 Termination Unit?
A1: The TU841 is used to connect TB840/TB840A to non-redundant I/O systems. It is a passive unit for power supply and ModuleBus connections.

Q2: Can I mount the TU841 vertically and horizontally?
A2: Yes, the TU841 can be mounted both vertically and horizontally based on your system’s requirements.

Q3: What is the purpose of the mechanical keys in the TU841 module?
A3: The mechanical keys are used to prevent the insertion of incorrect module types. There are 36 different keying combinations.

Q4: What wire sizes are acceptable for the TU841 module?
A4: The module accepts solid wires from 0.2 to 2.5 mm² and stranded wires from 0.2 to 2.5 mm², including 24 to 12 AWG.

Q5: Does the TU841 support hot swapping?
A5: No, the TU841 does not support hot swapping.

Q6: What is the rated insulation voltage for the TU841?
A6: The rated insulation voltage is 50 V.

Q7: What certifications does the TU841 have for hazardous locations?
A7: The TU841 is certified for Class 1 Zone 2 hazardous locations and ATEX Zone 2.

Q8: What is the recommended torque for the wiring terminals?
A8: The recommended torque for the wiring terminals is 0.5 Nm.

3BSE020848R11 ABB Redundant Module Termination Unit S800 I/O TU841

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