ABB TU843 3BSE021443R1 Terminal Block

Overview

The TU843 MTU is a modular and redundant I/O unit with a comprehensive set of features suitable for various industrial automation applications. It supports up to 16 I/O channels with flexible process voltage connections and is designed for vertical mounting.

General Information

• Article Number: 3BSE021443R1
• Type: Redundant
• Connection: Terminal block
• Mounting: Vertical
• Voltage: 50 V
• Maximum Current: 3 A per I/O channel
• Process Connections: 56 up to 16 I/O channels (2 terminals per channel)
• Use with I/O: AI843, AO845, AO845A, DI840, DI880, DO840, DO880, and DP840
• Temperature Range (Operating): 0 to +55 °C (+32 to +131 °F)
• Temperature Range (Storage): -40 to +70 °C (-40 to +158 °F)
• Protection Class: IP20 (IEC 60529)
• Dimensions:
  • Width: 131 mm (5.16”) including connector, 124 mm (4.88”) edge to edge installed
  • Depth: 64 mm (2.52”) including terminals
  • Height: 186.5 mm (7.34”) including locking device
• Weight: 0.6 kg (1.3 lbs.)

Detailed Specifications

• Maximum Current per I/O Channel: 3 A
• Maximum Current for Process Connection: 10 A
• Acceptable Wire Sizes:
  • Solid: 0.2 - 4 mm²
  • Stranded: 0.2 - 2.5 mm², 24 - 12 AWG
• Recommended Torque: 0.5 - 0.6 Nm
• Stripping Length: 7 mm
• Dielectric Test Voltage: 500 V a.c.

Environmental and Certification

• CE Mark: Yes
• Electrical Safety: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
• Hazardous Location Certifications:
  • C1 Div 2 cULus
  • C1 Zone 2 cULus
  • ATEX Zone 2
• Pollution Degree: Degree 2 (IEC 60664-1)
• Corrosion Protection: ISA-S71.04: G3
• Relative Humidity: 5 to 95 %, non-condensing
• Max Ambient Temperature: 55 °C (131 °F)
• EMC Compliance: EN 61000-6-4, EN 61000-6-2
• Overvoltage Categories: IEC/EN 60664-1, EN 50178
• Equipment Class: Class I (IEC 61140)
• RoHS Compliance: EN 50581:2012
• WEEE Compliance: DIRECTIVE/2012/19/EU