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6ES5451-4UA14

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Siemens 6ES5451-4UA14 is a compact isolated SIMATIC S5 451-4 digital output module with 32 outputs rated 24 V DC and 0.5 A. The installed interfaces and project records determine a reliable fit.
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Technical specifications for 6ES5451-4UA14

  • Manufacturer:
    Siemens
  • Part Number:
    6ES5451-4UA14
  • Product Family:
    Siemens Simatic S5
  • Product Type:
    Digital Output Module
  • Stock:
    1
  • Output count:
    32
  • Rated load voltage:
    24 V DC
  • Rated output current:
    0.5 A per point
  • Electrical design:
    Isolated
  • Construction:
    Compact S5 module
  • Lifecycle code:
    PM500
  • Lifecycle effective date:
    1 October 2022
  • Successor status:
    Deleted without replacement
  • Export control:
    ECCN N / AL N
  • Official lead-time entry:
    30 days ex works
  • Package depth:
    3.50 cm
  • Package width:
    21.30 cm
  • Package height:
    26.20 cm
  • Service option:
    Repair or exchange may be offered
  • System platform:
    SIMATIC S5
  • Weight:
    1.367 lbs (0.62 kg)
  • Estimated shipping dimensions:
    21.3 x 26.2 x 3.5 cm package
  • Tariff Code:
    8538901100
  • Country of origin:
    Germany
  • 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 Applications Environment Integration Certifications

Features:

  • The ordered configuration is a compact isolated SIMATIC S5 451-4 digital output module with 32 outputs rated 24 V DC and 0.5 A.
  • In service, the hardware switches discrete field loads from the S5 control program through the U-periphery output path.
  • Correct selection depends on S5 rack position, front connector, output grouping, load current, protective devices and the complete 4UA14 order code.
The current order is identified by the complete 6ES5451-4UA14 marking and its documented relationship to SIMATIC S5 U Periphery.

The hardware is used in legacy SIMATIC S5 cabinets controlling solenoids, relays, indicators and other 24 V DC loads, where it switches discrete field loads from the S5 control program through the U-periphery output path.

Installation planning must account for S5 rack position, front connector, output grouping, load current, protective devices and the complete 4UA14 order code. Siemens deleted this model without replacement; document every field conductor and test output groups before restart

Availability is confirmed against the complete model, revision, quantity and delivery destination.
Verified resources for Siemens 6ES5451-4UA14:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Supports legacy SIMATIC S5 cabinets controlling solenoids, relays, indicators and other 24 V DC loads without changing the documented host architecture.
  • Serves maintenance teams restoring the original SIMATIC S5 U Periphery signal, control or power path.
  • Fits modernization planning when the existing installation must remain operational while a long-term migration is evaluated.
  • Operate the unit only inside the environmental limits published for the complete SIMATIC S5 U Periphery assembly.
  • Cabinet temperature, condensation control, contamination and airflow remain installation-level responsibilities.
  • Storage and transport conditions should protect connectors, electronics and calibration-sensitive elements before commissioning.
  • System matching is governed by S5 rack position, front connector, output grouping, load current, protective devices and the complete 4UA14 order code.
  • The surrounding SIMATIC S5 U Periphery hardware must retain the connector, addressing and project relationships documented for this order code.
  • A cross-family or partial-number substitution is not approved unless the OEM service record explicitly defines it against other 451-4 output variants.
  • Compliance is determined by the complete SIMATIC S5 U Periphery installation and the approvals applicable to this order code.
  • Cabinet construction, field wiring and environmental controls must preserve the conditions stated in the OEM documentation.
  • Project records should retain the nameplate, declarations and installation manual used for the final conformity assessment.
Description
Siemens 6ES5451-4UA14 is the documented a compact isolated SIMATIC S5 451-4 digital output module with 32 outputs rated 24 V DC and 0.5 A. The complete order identity ties this hardware to the SIMATIC S5 U Periphery platform rather than to a visually similar device.

For the intended duty, it switches discrete field loads from the S5 control program through the U-periphery output path. Its principal connection boundary is 32 front-wired DC output points with isolated module circuitry and S5 bus communication, making the unit suitable for legacy SIMATIC S5 cabinets controlling solenoids, relays, indicators and other 24 V DC loads.

Selection must begin by confirming S5 rack position, front connector, output grouping, load current, protective devices and the complete 4UA14 order code. Siemens deleted this model without replacement; document every field conductor and test output groups before restart
Alternative Names
6ES5451-4UA14 6ES54514UA14 6ES5451 4UA14 Siemens 6ES5451-4UA14 Siemens 6ES54514UA14 6ES5451-4UA14 Digital Output Module Siemens SIMATIC S5 451-4 Isolated Digital Output Module 6ES5451-4UA14 SIMATIC S5 U Periphery
Technical notes
When commissioning 6ES5451-4UA14, siemens deleted this model without replacement; document every field conductor and test output groups before restart
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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 digital output module distinguishes the exact 6ES5451-4UA14 configuration?
Use the complete model and the defining configuration: a compact isolated SIMATIC S5 451-4 digital output module with 32 outputs rated 24 V DC and 0.5 A. Include every suffix and secondary assembly number shown on the nameplate.
Which installed-system evidence is decisive for matching 6ES5451-4UA14 as a digital output module?
Confirm S5 rack position, front connector, output grouping, load current, protective devices and the complete 4UA14 order code. The match must be made to the installed SIMATIC S5 U Periphery records, not only to appearance.
Where does 6ES5451-4UA14 perform its documented digital output module duty?
The documented application is legacy SIMATIC S5 cabinets controlling solenoids, relays, indicators and other 24 V DC loads. In service, it switches discrete field loads from the S5 control program through the U-periphery output path.
How should a buyer establish the present supply route for 6ES5451-4UA14?
The OEM lifecycle is recorded as Discontinued / Obsolete by OEM. Apter Power confirms actual condition, available quantity, lead time and destination before issuing a dated offer.
What field condition can prevent a like-for-like 6ES5451-4UA14 replacement?
Siemens deleted this model without replacement; document every field conductor and test output groups before restart Compare the proposed unit with other 451-4 output variants only through official service documentation.
Which records should accompany a 6ES5451-4UA14 datasheet and quotation request?
Send clear nameplate photos, host model, revision, wiring or slot reference, required quantity, destination and requested delivery date so the exact datasheet and quotation can be matched.

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