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  • Lifecycle status

    Active / Available from OEM
    ABB currently documents TU854 and article number 3BSE069966R1 in the official 800xA hardware selector. Confirm hardware revision, approvals and project compatibility before ordering.

TU854 3BSE069966R1

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ABB TU854 is an Redundant Module Termination Unit for the ABB control-system platform.
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Technical specifications for TU854 3BSE069966R1

  • Manufacturer:
    ABB
  • Part Number:
    TU854 3BSE069966R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    Redundant Module Termination Unit
  • Stock:
    1
  • Connection:
    25 pin D-sub
  • Channels:
    16
  • Rated voltage:
    50 V
  • Mounting orientation:
    Horizontal
  • Maximum current per channel:
    2 A
  • Maximum process-connection current:
    5 A
  • Dielectric test voltage:
    500 V a.c.
  • Width:
    131 mm (5.16 in.) including connector, 124 mm (4.88 in.) edge to edge installed
  • Tariff Code:
    85389000
  • Country of origin:
    Switzerland
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Terminal Data Module Fit Field Wiring Installation Check

Features:

  • Connection: 25 pin D-sub
  • Channels: 16
  • Rated voltage: 50 V
TU854 terminates 16 ABB S800 I/O channels.

Connection, process power, current limits and keying must match the cabinet.

Verify every channel through its I/O module after installing TU854.
Verified resources for ABB TU854:

Terminal Data:

  • Connection: 25 pin D-sub
  • Channels: 16
  • Rated voltage: 50 V
Keep TU854 within terminal, current and voltage limits.

Module Fit:

  • Approved I/O: the ABB-listed I/O modules
  • Confirm mechanical keying
  • Verify single or redundant use
The I/O module and TU854 must be approved together.

Field Wiring:

  • Check conductor size
  • Apply specified terminal torque
  • Verify process-power distribution
Test every TU854 field connection.

Installation Check:

  • Verify mounting orientation
  • Inspect terminal and bus engagement
  • Perform end-to-end tests
Record tests after installing TU854.
Description
ABB TU854 Redundant Module Termination Unit is a redundant Module Termination Unit with 25 pin d-sub connections for 16 I/O channels at 50 V. ABB identifies it by article number 3BSE069966R1.

The unit supports I/O and provides process connections. ABB documents 2 A maximum per I/O channel, subject to wiring limits.

Match TU854 only with approved I/O modules: the ABB-listed I/O modules. Verify keying, field voltage, conductor size, terminal torque, mounting orientation and channel assignment.
Alternative Names
TU854 TU 854 ABB TU854 ABB TU 854 TU854 3BSE069966R1 ABB 3BSE069966R1 ABB TU854 3BSE069966R1 TU854 Redundant Module Termination Unit
Technical notes
TU854 is an ABB Redundant termination unit for 16 channels. Check approved I/O, voltage, current, keying and wiring.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How many channels does TU854 terminate?
ABB documents 16 channels using 25 pin d-sub connections.
Which I/O modules can use TU854?
ABB lists the ABB-listed I/O modules; verify revision and keying.
Is TU854 for single or redundant I/O?
Official data identifies I/O operation.
What current limit applies to TU854?
ABB documents 2 A maximum per channel; total limits also apply.
Can another TU model replace TU854?
Only after connection, channels, compatibility, keying, voltage, current and space are confirmed.
Which wiring details matter?
Check conductor size, stripping length, torque, process power, shielding and labels.
What commissioning test is required?
Prove every used circuit and confirm mapping, polarity, power and diagnostics.
What information is needed to quote TU854?
Provide TU854, article 3BSE069966R1, connected I/O, quantity, wiring and destination.

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