ABB TU850 3BSE050930R1 MTU Module Termination Unit Terminal Base

Description

The TU850 3BSE050930R1 is a terminal base that routes field signals to the S800 I/O module and internal ModuleBus. It supports 2-wire or 3-wire connections with 16 termination points in a compact design. Featuring mechanical keying to prevent incorrect module installation, it ensures hardware protection. The TU850 supports hot-swapping of I/O modules, enabling field replacement without disrupting field wiring. Built with rugged construction and screw-clamp terminals, it’s ideal for industrial environments where signal integrity and uptime are crucial.

Specifications

• Manufacturer: ABB

• Model Number: TU850 (3BSE050930R1)

• Product Type: Module Termination Unit (MTU)

• Terminal Count: 16 Screw Terminals

• Maximum Rating: 50 V DC / 2 A per channel

• Mounting Type: 35mm DIN Rail (Horizontal or Vertical)

• Wire Range: 0.2 to 2.5 mm² (24-12 AWG)

• Interface: ModuleBus Backplane Connectivity

• Ingress Protection: IP20

• Operating Temperature: -25 to +70 °C

• Weight: 0.40 kg

Features

• High-Density Signal Management: Provides 16 robust screw terminals for efficient field wiring of analog and digital signals in space-constrained control cabinets.

• Internal ModuleBus Link: Integrates seamlessly with the S800 I/O bus for high-speed data transmission between field devices and the controller.

• Error-Proof Hardware Keying: Built-in mechanical coding pins prevent the insertion of incompatible I/O modules, ensuring site safety and equipment protection.

• Live Serviceability: Designed to support hot-swappable module replacement, minimizing process downtime during routine maintenance or upgrades.

• Vibration-Resistant Terminals: High-quality screw-clamp design ensures stable electrical contact even in high-vibration manufacturing zones.

• Passive Reliability: The non-electronic backplane design offers a high MTBF, making it a dependable component for long-term industrial operations.