TU891 ABB 3BSC840157R1 Module Terminal Unit 8 Channels

ABB TU891 Module Terminal Unit

The ABB TU891 is a horizontal mount module terminal unit for industrial systems. It provides 8 channels for signal connection and control. This unit uses model identification 3BSC840157R1.

Technical Specifications

• Brand & Model: ABB TU891 (3BSC840157R1)
• Type: Module Terminal Unit (MTU)
• Mounting: Horizontal orientation
• Channels: 8 connection channels
• Voltage: 24VDC nominal
• Max Voltage: 50VDC rated
• Current: 2A maximum per channel
• Dielectric Test: 500V AC withstand
• Dimensions: 64mm × 194mm × 58mm (2.52" × 7.64" × 2.28")
• Terminal Depth: 106mm (4.17") including terminals
• Weight: 0.17 kg (0.37 lbs)
• Operating Temp: Up to 55°C (131°F)
• Power Wire: 0.25–2.5mm² (24–14 AWG)
• Process Wire Solid: 0.2–4mm²
• Process Wire Stranded: 0.2–2.5mm² (24–12 AWG)

Key Features

• 8-channel terminal unit
• Horizontal mounting design
• 24VDC nominal operation
• 2A maximum current per channel
• 500V AC dielectric test rating
• Lightweight 0.17 kg construction
• Wide wire size compatibility
• Compact dimensions for space saving
• High temperature operation to 55°C
• Maximum 50VDC voltage rating

Electrical Specifications

• Nominal voltage: 24VDC
• Maximum voltage: 50VDC
• Current rating: 2A per channel
• Dielectric strength: 500V AC test
• Power supply wire: 0.25–2.5mm²
• Process wire solid: 0.2–4mm²
• Process wire stranded: 0.2–2.5mm²
• 8 independent channels

Mechanical Specifications

• Width: 64mm including connector
• Height: 194mm including latch
• Depth: 58mm base (106mm with terminals)
• Weight: 0.17 kg lightweight
• Mounting: Horizontal orientation
• Terminal access: Front connection

Wire Compatibility

• Power connector: 24–14 AWG (0.25–2.5mm²)
• Process solid wire: 0.2–4mm²
• Process stranded wire: 12–24 AWG (0.2–2.5mm²)
• Flexible wiring options
• Standard industrial wire sizes

FAQ

Q: How many channels does this unit have?

A: The ABB TU891 provides 8 connection channels for industrial applications.

Q: What is the weight of the unit?

A: The unit weighs only 0.17 kg (0.37 lbs) for easy installation.

Q: What wire sizes are supported?

A: It supports 24-14 AWG for power and 24-12 AWG for process connections.

Contact

For pricing and availability of the ABB TU891 terminal unit:

Email: sale@etowonauto.com