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ABB TU890 3BSC690075R1 Compact MTU

ABB TU890 3BSC690075R1 Compact MTU

  • 1000 In stock
  • Manufacturer: ABB

  • Product No.: TU890

  • Condition: In stock

  • Product Type: Compact MTU

  • Product Origin: Sweden

  • Payment:T/T, Western Union

  • Weight: 170g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Overview

The TU891 is a compact MTU (Module Terminal Unit) designed for ABB's S800 I/O system. It serves as a passive unit that connects the field wiring and power supply to I/O modules while distributing the ModuleBus signal. This unit plays a key role in connecting multiple MTUs and I/O modules in an industrial automation setup. Below are the detailed specifications and features of the TU891.

General Info

  • Article Number: 3BSC690075R1
  • Type: Compact
  • Connection Type: Terminal block
  • Channels: 8
  • Voltage: 24 V DC
  • Mounting Orientation: Horizontal
  • Max Rated Voltage: 50 V
  • Max Rated Current: 2 A per channel (subject to I/O module design constraints)
  • Mounting Temperature Range: 55°C (131°F)
  • I/O Compatibility: AI890, AI893, AI895, AO890, AO895, DI890, DO890
  • Process Connections: 27 blue terminals
  • I/O Configuration: Single

Detailed Data

  • Maximum Current per I/O Channel: 2 A
  • Wire Sizes for Process Connector:
    • Solid: 0.2 - 4 mm²
    • Stranded: 0.2 - 2.5 mm² (24 - 12 AWG)
  • Wire Sizes for Power Supply Connector:
    • 0.25 - 2.5 mm² (24 - 14 AWG)
  • Recommended Torque: 0.5 - 0.6 Nm
  • Dielectric Test Voltage: 500 V a.c.

Environment and Certification

  • CE Mark: Yes
  • Electrical Safety: EN 61010-1, EN 61010-2-201
  • Hazardous Location Certifications:
    • ATEX/IECEx Zone 2 with interface to Zone 0
    • cFMus C1, Div 2/Zone 2 with interface to C1, C2, C3 Div 1/Zone 0
  • Marine Certification: 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)
    • Relative Humidity: 5 to 95%, non-condensing
  • Pollution Degree: 2 (IEC 60664-1)
  • Corrosion Protection: ISA-S71.04: G3
  • Max Ambient Temperature: 55°C (131°F) for horizontal mounting; 40°C (104°F) for vertical mounting
  • Protection Class: IP20 (IEC 60529)
  • Mechanical Operating Conditions: IEC/EN 61131-2
  • EMC: EN 61000-6-4, EN 61000-6-2
  • Overvoltage Categories: IEC/EN 60664-1, EN 50178
  • Equipment Class: Class I (earth protected)

Dimensions

  • Width: 64 mm (1.77 in.), 58.5 mm (2.3 in.) edge-to-edge when installed
  • Depth: 58 mm (2.28 in.), 106 mm (4.2 in.) including terminals
  • Height: 194 mm (7.6 in.) including latch
  • Weight: 0.17 kg (0.37 lbs.)

Features and Benefits

  • 8 Channels with Process Voltage Supervision
  • Output Status Indicators
  • Output Safe Position (OSP): Sets outputs to a predetermined state upon error detection
  • Short-Circuit Protection: To ground and up to 30 V
  • Over-Voltage and Over-Temperature Protection
  • Intrinsic Safety Support
  • NAMUR Inputs
  • G3 Compliance: Suitable for harsh industrial environments

Features

We welcome bulk orders and have a minimum order quantity of just one unit.

Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.

For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.

We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.

Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.

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