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ABB TU844 3BSE021445R1 S800 I/O Module Termination Unit

Name: ABB TU844 3BSE021445R1 S800 I/O Module Termination Unit
Brand: ABB
Availability: InStock

Manufacturer:ABB

Product Number:TU844 3BSE021445R1

Product Type:Module Termination Unit

Origin:Sweden (SE)

Dimensions:64 x 186.5 x 124 mm

Weight:0.6 kg

Views:35

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

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Product Description

The ABB TU844 3BSE021445R1 is a termination unit (MTU) in the S800 I/O series, designed for System 800xA. It provides field connection for up to 8 I/O channels and ensures safe and reliable distribution of process voltage and module communication. This unit supports redundant configurations and DIN rail mounting with robust mechanical locking and keying systems.

Technical Specifications

Parameter	Value
Article Number	3BSE021445R1
Channels Supported	8
Maximum Voltage	50 V
Max Current per I/O Channel	2 A
Max Process Connection Current	5 A
Dielectric Strength	500 V AC
Mounting Type	Horizontal, DIN rail
Terminal Connection Type	Terminal block
Acceptable Wire Size	Solid: 0.2–4 mm², Stranded: 0.2–2.5 mm²
Recommended Torque	0.5–0.6 Nm
Operating Temperature	0 to +55 °C
Storage Temperature	-40 to +70 °C
Humidity Range	5% to 95%, non-condensing
Pollution Degree	IEC 60664-1 Degree 2
IP Rating	IP20
Certifications	CE, UL, cULus, ATEX Zone 2, Marine certified
Dimensions (W x H x D)	64 x 186.5 x 124 mm
Weight	0.6 kg

Product Applications

Industrial automation systems using ABB System 800xA
Redundant I/O system configurations
Integration with AI845, AI880, AI880A, DP840 analog and digital modules
Environments requiring high reliability and signal integrity
Projects needing field signal termination with process power distribution

Product Advantages

Supports up to 8 field I/O channels with process power terminals
Designed for redundant installations with dual ModuleBus connections
Mechanical keying to avoid incorrect module installation
Easy DIN rail mounting with secure latch system
Marine and hazardous area certified
Compact design for space-constrained cabinets

Frequently Asked Questions (FAQ)

Q1: How many channels does the TU844 support?

A1: It supports 8 I/O channels with 2 terminals per channel.

Q2: What I/O modules is the TU844 compatible with?

A2: It is compatible with AI845, AI880, AI880A, and DP840 modules.

Q3: Can the TU844 be used in hazardous environments?

A3: Yes, it is certified for ATEX Zone 2 and C1 Zone 2 hazardous areas.

Q4: What is the maximum voltage and current per channel?

A4: The unit supports up to 50 V and 2 A per channel.

Q5: What are the mounting options?

A5: The TU844 is designed for DIN rail horizontal mounting.

Q6: Is the TU844 suitable for redundant applications?

A6: Yes, it supports redundant I/O configurations.

Q7: What is the IP protection level of the TU844?

A7: It has an IP20 protection rating.

Q8: What environmental certifications does it carry?

A8: It is CE marked, RoHS compliant, and holds marine certifications such as DNV-GL and ABS.

Q9: What tools are needed for wiring?

A9: Standard wiring tools with 0.5–0.6 Nm torque are recommended.

Q10: Does TU844 support both current and voltage input types?

A10: Yes, it supports both via configurable shunt sticks (TY801).