ABB TU849 3BSE042560R1 S800 I/O Redundant Module Termination Unit

Frequently Asked Questions (FAQ)

Q1: What types of redundancy does TU849 support?
A1: It supports redundant TB840/TB840A connections with dual power inputs.

Q2: Is hot-swapping supported on TU849?
A2: No, TU849 does not support hot swapping.

Q3: Does TU849 require external ModuleBus connection?
A3: Yes, it provides a single electrical ModuleBus connection for system integration.

Q4: What is the purpose of the mechanical keying?
A4: It prevents incorrect module insertion by matching the correct key combination.

Q5: How is the TU849 mounted?
A5: It can be mounted either vertically or horizontally on a standard DIN rail.

Q6: Are there limitations on operating temperature?
A6: Yes, it operates up to 55°C when mounted horizontally, and up to 40°C when vertical.

Q7: What wire sizes are supported?
A7: It supports 0.2–2.5 mm² solid or stranded wires, 24–12 AWG.

Q8: What certifications does TU849 comply with?
A8: It complies with CE, cULus, ATEX Zone 2, RoHS, and WEEE directives.

3BSE042560R1 ABB Redundant Module Termination Unit S800 I/O TU849

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.