ABB TBU838 Module Termination Unit

Overview

The ABB TBU838 is a Module Termination Unit (MTU) used in ABB Ability™ System 800xA.It is designed to distribute the ModuleBus to I/O modules and ensure proper communication within the system.

Technical Specifications

• Voltage Rating: 50 V
• Current Rating: 3 A per channel
• Number of I/O Channels: Up to 161
• Mounting: Standard DIN rail
• Power Outlets: 2x4 fused transducer power outlets
• Signal Terminals: 16 signal terminals
• Return Terminals: 2x4 return terminals
• L+ and L- Terminals: 2x2 each

Dimensions

• Length: 22 cm (8.66 inches)
• Width: 10 cm (3.94 inches)
• Height: 3 cm (1.18 inches)
• Weight: 1.2 kg (2.65 lbs)

Environmental Resistance

• Shock: 15 g for 11 ms
• Vibration: 5 g at 10-500 Hz