ABB TU811V1 3BSE013231R1 Compact Module Termination Unit (MTU)

The TU811V1 is an 8-channel 250 V Compact Module Termination Unit (MTU) designed for the S800 I/O system. This passive unit is crucial for connecting field wiring to I/O modules and plays a key role in the distribution of the ModuleBus to both the I/O module and subsequent MTUs.

Key Features and Benefits:

• Compact Installation: Efficiently installs I/O modules in tight spaces.
• Isolated Channels: Provides up to 8 isolated channels for field signals.
• ModuleBus Connections: Facilitates connections to the ModuleBus and I/O modules.
• Mechanical Keying: Prevents incorrect insertion of I/O modules by using two mechanical keys for configuration, offering 36 possible configurations.
• DIN Rail Mounting: Includes a latching device for secure grounding and easy mounting to a DIN rail.

General Information:

• Article Number: 3BSE013231R1
• Type: Compact MTU
• Connection: Terminal Block
• Channels: 8
• Voltage: 250 V
• Mounting: Both Horizontal and Vertical
• Mounting Details:
  • Horizontal: Up to 55°C (131°F)
  • Vertical: Up to 40°C (104°F)
• Compatible with I/O Modules: DI820, DI821, DO820, DO821
• I/O Configuration: Single I/O (Non-Redundant)

Detailed Technical Specifications:

• Maximum Current per Channel: 3 A
• Acceptable Wire Sizes:
  • Solid: 0.2 – 4 mm²
  • Stranded: 0.2 – 2.5 mm², 24 – 12 AWG
• Recommended Torque: 0.5 – 0.6 Nm
• Stripping Length: 7 mm
• Dielectric Test Voltage: 2000 V a.c.

Environmental and Certification Information:

• CE Mark: Yes
• Electrical Safety: Complies with EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
• Marine Certifications: ABS, BV, DNV-GL, LR
• Operating Temperature: 0 to +55 °C (+32 to +131 °F)
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Pollution Degree: Degree 2, IEC 60664-1
• Corrosion Protection: ISA-S71.04: G3
• Relative Humidity: 5% to 95%, non-condensing
• Protection Class: IP20 (IEC 60529)
• Mechanical Operating Conditions: IEC/EN 61131-2
• EMC Compliance: EN 61000-6-4, EN 61000-6-2
• Overvoltage Categories: IEC/EN 60664-1, EN 50178
• RoHS Compliance: Yes, EN 50581:2012
• WEEE Compliance: DIRECTIVE/2012/19/EU

Dimensions and Weight:

• Width: 64 mm (2.52 in.) including connector, 58.5 mm (2.3 in.) edge to edge installed
• Depth: 64 mm (2.52 in.), including terminals
• Height: 170 mm (6.7 in.), including latch
• Weight: 0.17 kg (0.37 lbs)

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