ABB TU890 3BSC690075R1 S800 I/O System Terminal Block

FAQ

Q1: Which I/O modules are compatible with the TU890?
A1: It is compatible with AI890, AI893, AI895, AO890, AO895, DI890, and DO890.

Q2: What is the maximum current supported per channel?
A2: The maximum rated current per I/O channel is 2 A.

Q3: What certifications does TU890 comply with?
A3: It complies with ATEX/IECEx Zone 2, cFMus Class I Div 2, and marine certifications such as ABS, BV, DNV-GL, and LR.

Q4: Does TU890 support redundant I/O?
A4: No, it only supports single I/O channel configurations.

Q5: How is the TU890 mounted?
A5: It is mounted horizontally on a DIN rail with a latching device.

Q6: What are the dimensions and weight of the TU890?
A6: The dimensions are 64 x 194 x 58.5 mm and it weighs 0.3 kg.

Q7: Does the TU890 offer electrical safety protection?
A7: Yes, it complies with EN 61010-1 and EN 61010-2-201, IP20 protection, and overvoltage categories.

Q8: Are there specific wire size requirements?
A8: Yes, it supports solid wires (0.2–4 mm²), stranded wires (0.2–2.5 mm²), and power supply wires (0.25–2.5 mm²).