ABB TU813 3BSE036714R1 Compact MTU

Overview

The TU813 Compact MTU (Module Termination Unit) is a passive connection unit designed for use with the ABB S800 I/O system. It serves as a termination point for field wiring to I/O modules, providing seamless integration with the ModuleBus. Its compact design allows for efficient installation in space-constrained environments. The TU813 supports up to 8 isolated I/O channels, with easy-to-use crimp snap-in connectors for secure wiring.

Technical Specifications

• Brand: ABB
• Model: TU813
• Voltage Rating: 250V
• Current Rating: 3A per I/O channel
• Insulation Voltage: 250V
• Insulation Test Voltage: 2300V (channel to earth), 1350V (channel to channel), 500V (modulebus to earth)
• Process Connections: 16 (up to 8 I/O channels, 2 terminals per channel)
• ModuleBus Current Distribution: 1.5A max at 5V, 1.5A max at 24V
• Wire Size: Stranded 0.2 – 2.5 mm² (24 – 14 AWG)
• Protection Rating: IP20
• Height: 170 mm (6.7″)
• Width: 64 mm (2.52″)
• Depth: 64 mm (2.52″)
• Weight: 0.17 kg (0.37 lbs)
• Mounting: DIN rail
• Mechanical Keys: 36 configurations available

FAQ

Q1: How do I configure the 3BSE036714R1 for different I/O modules?
A1: It uses mechanical keys to configure the unit. There are 36 possible configurations, which can be adjusted with a screwdriver.

Q2: Can I replace the termination board while the system is operational?
A2: Yes, the top part of the MTU can be removed to replace the termination board, allowing for maintenance without system downtime.

Q3: What type of wires can be connected to the 3BSE036714R1?
A3: It supports stranded wires from 0.2 to 2.5 mm² (24 to 14 AWG) for reliable connections.

Q4: What is the protection rating of the TU813?
A4: It has an IP20 protection rating, ensuring it is protected against solid objects larger than 12 mm.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units