ABB TBU838 Extended Module Termination Unit

Description

The TBU838 MTU is used to connect I/O modules to the field devices and the ModuleBus. It provides a complete installation solution with 3-wire connections, fuses, and field power distribution.

Specifications

• Channels: Up to 16 I/O channels
• Voltage: Maximum rated voltage of 50 V
• Current: Maximum rated current of 3 A per channel
• Dimensions:
  • Depth: 64 mm
  • Height: 170 mm
  • Width: 58.5 mm
• Weight: 0.375 kg
• Mounting: Can be mounted on a standard DIN rail
• Environmental Compliance: RoHS compliant

Features

• Field Signal Connections: Up to 16 channels of field signals and 8 process power connections
• Fused Transducer Power Terminals: Two channels share one fused transducer power terminal
• Process Voltage: Can be connected to 2 individually isolated groups if the I/O module supports it
• Mechanical Keying: Prevents insertion of the wrong I/O module
• DIN Rail Mounting: Includes a latching device for grounding
• Compatibility: Compatible with various I/O modules such as AI810, AI815, AI845, DI810, DI811, DI814, DI830, DI831, DI840, and DO814