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6ES5457-4UA12

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Siemens 6ES5457-4UA12 is a sixteen-channel SIMATIC S5 transistor output module for 24–60 V DC loads. Each isolated output is individually fused and monitored by a short-circuit indication.
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Technical specifications for 6ES5457-4UA12

  • Manufacturer:
    Siemens
  • Part Number:
    6ES5457-4UA12
  • Product Family:
    Siemens Simatic S5
  • Product Type:
    Digital Output Module
  • Stock:
    1
  • Module designation:
    457
  • I/O function:
    transistor digital output
  • Channel capacity:
    16 outputs
  • Field electrical class:
    24–60 V DC
  • Isolation:
    16 isolated outputs
  • System bus current:
    5 V, 120 mA typical
  • Power dissipation:
    13.0 W
  • Permissible unshielded line:
    As documented in the Siemens system manual
  • Enable circuit:
    Front enable input/jumper arrangement
  • Host systems:
    SIMATIC S5-135U / S5-155U
  • Output current:
    5 mA to 0.5 A
  • Lamp load:
    0.22 A max.
  • Short-circuit indication:
    Red LED
  • Individual fusing:
    16 x 1 A slow
  • Weight:
    1.482 lbs (0.672 kg)
  • Estimated shipping dimensions:
    26.6 x 20.8 x 5.2 cm
  • Tariff Code:
    8537101190
  • 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 Protection Performance Installation

Features:

  • Switches sixteen isolated transistor outputs for 24–60 V DC circuits.
  • Handles documented channel currents from 5 mA to 0.5 A.
  • Provides individual slow fuses and visible short-circuit indication.
The 457 designation and 4UA12 suffix together identify this high-voltage DC transistor version. Its 40 mm width and protection arrangement differ from nearby S5 output cards.

The module converts S5 process-image bits into solid-state field switching without using mechanical relay contacts.

Before exchange, inspect each connected load and record fuse locations, commons, enable wiring and channel numbers. Energize groups gradually while observing the fault indicator.

6ES5457-4UA12 availability is verified with its 24–60 V transistor and individual-fuse configuration.
Verified resources for Siemens 6ES5457-4UA12: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.
  • Drive isolated DC interface relays from a legacy S5 control sequence.
  • Switch panel lamps and small actuators within the documented load limits.
  • Restore individually protected output channels in an S5-155U machine rack.
  • A red indication identifies a short-circuit condition affecting an output.
  • Sixteen 1 A slow fuses provide individual channel protection.
  • External faults must be cleared before a replacement fuse or module is energized.
  • Channel current is specified from 5 mA to 0.5 A for the supported field supply.
  • Lamp loading is limited to the documented 0.22 A maximum.
  • Typical 5 V bus demand is 120 mA while module dissipation is stated at 13 W.
  • The 40 mm module width must be available in the target S5 rack position.
  • Transfer the front enable and isolated field references exactly as shown in the wiring record.
  • Confirm the S5 address allocation before returning program control to the outputs.
Description
6ES5457-4UA12 is the 457 transistor-output assembly used to switch sixteen isolated DC loads from an S5-135U or S5-155U rack. The 24–60 V field class and 5 mA to 0.5 A channel range allow the card to operate a variety of established indicators, relay coils and small control devices.

Protection is distributed across the board: sixteen 1 A slow fuses correspond to the individual outputs, while a red indication reports a short-circuit condition. The design therefore gives maintenance personnel a direct way to locate an affected channel instead of treating every output fault as a common module failure.

A spare must retain the 4UA12 voltage execution, isolation scheme, enable wiring and two-module-width footprint. External loads should be inspected for shorted coils, incorrect suppression or excessive lamp inrush before a new fuse or module is installed, otherwise the original fault can immediately damage the replacement.
Alternative Names
6ES5457-4UA12 6ES5457 4UA12 6ES54574UA12 Siemens 6ES5457-4UA12 6ES5457-4UA12 SIMATIC S5-135U/155U Digital I/O Siemens Digital Output Module 6ES5457-4UA12 Digital Output Module
Technical notes
6ES5457-4UA12 fuses protect semiconductor channels only within their stated limits; locate and clear the external short circuit before changing a fuse or enabling the replacement board.
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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.
What does the red LED report on Siemens 6ES5457-4UA12?
It indicates a short-circuit condition that requires the affected field load and wiring to be investigated.
How are Siemens 6ES5457-4UA12 outputs fused?
Each of the sixteen transistor channels has its own 1 A slow protective fuse.
Which current window applies to Siemens 6ES5457-4UA12 loads?
The documented output range is 5 mA to 0.5 A per channel, subject to the module's total operating limits.
Why is lamp inrush relevant to Siemens 6ES5457-4UA12?
The lamp-load allowance is lower than the steady semiconductor rating, with 0.22 A stated as the maximum lamp load.
How much rack width does Siemens 6ES5457-4UA12 require?
The official dimensions give a 40 mm width, so it occupies more space than the 20 mm S5 modules in this batch.
What should be examined after a blown Siemens 6ES5457-4UA12 fuse?
Check the load coil, cable insulation, suppression device, polarity and conductor shorts before restoring the channel.

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