ABB TU849 3BSE042560R1 Module Termination Unit

Overview

The ABB TU849 3BSE042560R1 is a module termination unit (MTU) designed for redundant configuration of the Optical ModuleBus Modem TB840/TB840A. It ensures reliable signal and power distribution in industrial automation systems.

General Information

• Article Number: 3BSE042560R1

• Communication Protocol: ModuleBus

• Master/Slave: N/A

• Line Redundancy: Yes

• Hot Swap: No

• Type: Redundant TB840/TB840A, Single I/O, Dual Power

• Power Input: 24 V DC (19.2 – 30 V)

• Mounting: Vertical or Horizontal

Detailed Data

• Connector: N/A

• ModuleBus Current Distribution: Maximum 5 V, 1.5 A

• 24 V Consumption: N/A

• Mechanical Keys: 36 different combinations

• Acceptable Wire Sizes:

• Solid: 0.2 – 2.5 mm²

• Stranded: 0.2 – 2.5 mm², 24 – 12 AWG

• Recommended Torque: 0.5 Nm

• Rated Insulation Voltage: 50 V

• Dielectric Test Voltage: 500 V AC

• Power Dissipation: 2.5 W

Environment and Certification

• CE Marking: Yes

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

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

• Marine Certificates: ABS, BV, DNV-GL, LR

• Operating Temperature: 0 to +55 °C (+32 to +131 °F); approvals issued for +5 to +55 °C

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

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

• Max Ambient Temperature: 55 °C (131 °F); vertical mounting 40 °C (104 °F)

• Equipment Class: Class I, Earth Protected (IEC 60536)

• Ingress Protection: IP20 (IEC 60529)

Dimensions & Weight

• Width: 124 mm (4.88 in)

• Height: 186.5 mm (7.34 in) including latch

• Depth: 47 mm (1.85 in)

• Weight: 0.45 kg (0.99 lbs)