ABB TU843 3BSE021443R1 | Redundant Terminal Block Price Advantage Unbelievable Prices!

Brand：ABB PLC

Item No.：ABB TU843 3BSE021443R1

Product origin：Sweden

Dimensions:131 × 64 × 186.5 mm

Weight:0.6kg

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Product Introduction：

Overview
The ABB TU843 3BSE021443R1 is a Redundant Terminal Block designed for use in ABB’s 800xA control system. It provides dual redundant wiring connections for high-availability applications, ensuring continuous operation even in the event of a single wiring or channel failure. With stable signal routing and a reliable terminal layout, the TU843 is ideal for critical process environments requiring maximum uptime.

General Information
Part Number: 3BSE021443R1
Manufacturer: ABB
Series: TU (Termination Unit / Terminal Block)
Type: Redundant Terminal Block
Mounting: DIN rail or enclosure installation
Technology: Redundant field signal termination
Brand / Country of Origin: ABB / Sweden

Power Specifications
Supply Voltage: Powered through the connected I/O subsystem
Power Consumption: ≤ 5 W
Input: From controller or I/O backplane
Protection: Integrated surge and polarity protection

Communication & Interface
Terminal Type: Redundant field wiring terminal block
Connectivity: Supports dual-channel redundant I/O module connections
Diagnostics: Ensures reliable wiring continuity and stable signal performance
Field Interface: Direct wiring interface for process signals and redundant paths

Environmental
Operating Temperature: −20 to +60 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20, suitable for protected control cabinet environments

Dimensions & Weight
Dimensions (L × W × H): 131 × 64 × 186.5 mm
Weight: 0.6 kg

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