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ABB TU891 3BSC840157R1 Terminal block High Quality

16 in stock

Manufacturer: ABB
Product No.: TU891
Product Type: Terminal block
Condition: Brand New
Payment: T/T, Western Union
Weight: 0.17 kg
Dimensions: 64 mm × 58 mm × 194 mm
Shipping port: Xiamen
Warranty: 12 months

Description
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ABB TU891 MTU

The TU891 MTU is a compact module designed to distribute the ModuleBus to connected I/O modules and the next MTU. It handles field signals and process voltage connections with precision and ensures proper addressing of I/O modules.

General Information

Article Number: 3BSC840157R1
Type: Compact
Connection: Terminal block
Channels: 8
Voltage: 24 V
Mounting Orientation: Horizontal
Maximum Operating Temperature: 55 ºC (131 °F)
Compatible I/O Modules: AI890, AI893, AI895, AO890, AO895, DI890, DO890
Process Connections: 27 gray terminals
Single/Redundant I/O: Single

Electrical Specifications

Maximum Current per I/O Channel: 2 A
Process Connector Wire Size:
- Solid: 0.2 – 4 mm²
- Stranded: 0.2 – 2.5 mm² (24 – 12 AWG)
- Recommended Torque: 0.5 – 0.6 Nm
Power Supply Connector Wire Size:
- 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 Standards: IEC 61131, EN 61010-1, EN 61010-2-201
Hazardous Locations: –
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
Protection Class: IP20 (IEC 60529)
Mechanical Operating Conditions: IEC/EN 61131-2
EMC Standards: EN 61000-6-4, EN 61000-6-2
Overvoltage Category: IEC/EN 60664-1, EN 50178
Equipment Class: Class I (earth protected)
RoHS Compliance: EN 50581:2012

Dimensions & Weight

Width: 64 mm (1.77 in.) including connector, 58.5 mm (2.3 in.) edge-to-edge 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

Distributes ModuleBus to I/O modules and next MTU
Generates correct addresses for connected I/O modules
Supports standard process voltages and currents within specified limits
Designed for reliable industrial operation with IP20 protection

Payment: T/T, Western Union.

Shipping port: Xiamen.

Lead time: Typically 1–3 working days after payment confirmation (subject to stock).

Worldwide delivery: We ship industrial automation parts to customers around the world. Freight is quoted with your RFQ.

F.A.Q.

Common questions about quotes, shipping, warranty and returns

Click Request a Quote on the product page and send us the part number, required quantity, and destination country. Our sales team will reply with current availability, pricing, and estimated delivery time.

In-stock items are normally prepared after payment and order confirmation. Most orders are dispatched from our warehouse in China, although the shipping location may vary depending on current stock.

Yes. We ship industrial automation parts to customers worldwide. Shipping cost and transit time depend on the destination, package weight, product size, and local import requirements.

We commonly use DHL, FedEx, UPS, and other international courier services. The carrier can be selected according to the destination, delivery speed, shipment size, and customer requirements.

Our products are generally covered by a 12-month warranty. Eligible products may also be returned under our 30-day refund policy. Please contact our team before returning any item to confirm the applicable terms and return instructions.