ABB TU846 3BSE022460R1 Module Termination Unit

Overview

The ABB TU846 3BSE022460R1 is a passive module termination unit designed for redundant configurations of field communication interfaces CI840/CI840A and redundant I/O. It ensures reliable system operation in industrial automation environments with dual power and ModuleBus support.

General Information

Article Number: 3BSE022460R1
Communication Protocol: PROFIBUS DP-V1
Type: Redundant CI840/CI840A, Redundant I/O
Line Redundancy: Yes
Module Redundancy: Yes
Hot Swap: No
Power Input: 24 V DC (19.2 – 30 V)
Mounting: Vertical or Horizontal

Mechanical and Electrical Details

• Connector:

• PROFIBUS: DSUB9

• Service Ports: RJ45

• ModuleBus Current Distribution:

• Maximum 5 V, 1.5 A

• Maximum 24 V, 1.5 A

• Mechanical Keys: 36 different combinations

• Wire Size Compatibility: 0.25 – 2.5 mm² (24 – 14 AWG)

• Recommended Torque: 0.5 – 0.6 Nm

• Stripping Length: 6 – 7.5 mm (0.24 – 0.30 in)

• Rated Insulation Voltage: 50 V

• Dielectric Test Voltage: 500 V AC

Environment and Certification

• CE Marking: Yes

• Electrical Safety Standards: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201

• Hazardous Location Approvals: cULus Class 1 Zone 2, ATEX Zone 2

• Operating Temperature: 0 to +55 °C (+32 to +131 °F), approval range +5 to +55 °C

• Storage Temperature: -40 to +70 °C (-40 to +158 °F)

• Relative Humidity: 5 to 95 %, non-condensing

• Maximum Ambient Temperature: 55 °C (131 °F), vertical mounting 40 °C (104 °F)

• Equipment Class: Class I (earth protected, IEC60536)

• Ingress Protection: IP20 (IEC 529 / IEC 144)

Dimensions and Weight

• Width: 124 mm (4.88”)

• Height: 186 mm (7.32”) including latch

• Depth: 47 mm (1.85”)

• Weight: 0.5 kg (1.1 lbs.)