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        6ES5455-4UA12

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES5455-4UA12 is a compact 455-4 SIMATIC S5 output module with sixteen isolated channels for 24–60 V AC field circuits. It provides separated AC switching paths.
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        Ships by Thursday, October 29
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for 6ES5455-4UA12

        • Manufacturer:
          Siemens
        • Part Number:
          6ES5455-4UA12
        • Product Family:
          Siemens Simatic S5
        • Product Type:
          SIMATIC S5 455-4 digital output module
        • Stock:
          1
        • Rated supply voltage:
          24 to 60 V AC
        • Supply frequency:
          47 to 63 Hz
        • Number of outputs:
          16
        • Isolation:
          Yes, 2 groups of 8 outputs
        • Supply range:
          20 to 72 V AC
        • Fuse rating:
          6.3 A fast, one fuse per 4 outputs
        • Logic 1 output level:
          L- 1.5 V min.
        • Logic 0 output level:
          7.5 V max.
        • Residual current at logic 0:
          5 mA max.
        • Switching current, ventilated:
          40 mA to 2 A; 6 A max. per group
        • Switching current, non-ventilated:
          40 mA to 1 A; 4 A max. per group
        • Lamp current, ventilated:
          40 mA to 2 A; 2.5 A max. per group
        • Lamp current, non-ventilated:
          40 mA to 1 A; 2.5 A max. per group
        • Maximum inrush, 3 ms:
          25 A per group
        • Maximum inrush, 20 ms:
          15 A per group
        • Maximum inrush, 50 ms:
          13 A per group
        • Max line length:
          300 m unshielded
        • Digital section supply:
          5 V, 100 mA typical
        • Power dissipation:
          39 W
        • VDE insulation test:
          2000 V AC between groups; 1500 V AC group-ground
        • Weight:
          1.54 lbs (0.7 kg)
        • Estimated shipping dimensions:
          40 mm x 255 mm x 195 mm
        • Tariff Code:
          85389091
        • 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 Environmental Ratings Performance Certifications & Standards

        Features:

        • Sixteen isolated outputs switch 24 to 60 V AC loads.
        • Conditional short-circuit protection works with the card's fuse arrangement.
        • The 455-4 module supports grouped AC actuator wiring.
        The UA12 configuration uses four-point fuse groups, 40 mA to 2 A switching, and the stated inrush limits.

        It is useful for separated contactor, valve, and indicator circuits in older S5 control panels.

        Confirm the AC frequency, inrush profile, fuse condition, and front-connector assignment before exchange.

        Apter Power confirms the 455-4 AC output variant before committing a sourcing response.
        Product resources for Siemens 6ES5455-4UA12:
        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.
        • Controls grouped 24–60 V AC actuators and indicators.
        • Provides isolated switching for interlocked machine functions.
        • Keeps the installed 455-4 density for legacy cabinet maintenance.
        • The output card is intended for a protected S5 cabinet within the documented climate and vibration limits.
        • The AC field terminals require the storage and transport limits to be respected before energizing a replacement.
        • Shielding and enclosure practice should prevent conductive contamination from reducing the module insulation margin.
        • Sixteen AC outputs share two field groups, allowing loads to be distributed by the existing S5 wiring plan.
        • The stage supports both resistive and inductive switching duties when the ventilation condition is respected.
        • Lamp inrush should be evaluated as a group load before the output bank is returned to service.
        • The module uses the VDE 0160 insulation test arrangement specified for its two output groups.
        • The output circuitry is documented for the applicable UL and CSA switching-capacity categories.
        • The 24 to 60 V AC interface follows the manufacturer voltage classes rather than a DC output convention.
        Description
        Siemens 6ES5455-4UA12 is a sixteen-channel 455-4 output module for isolated 24–60 V AC field circuits. The card provides separated switching paths for older S5 machine and process panels.

        It can operate grouped contactors, indicators, and interlocked AC loads while maintaining the output density and field references of the installed 455-4 position. The current and inrush behavior suit planned load grouping. The isolated channels accommodate 24–60 V AC field circuits with the inrush limits documented for the 455-4 output stage.

        Replacement decisions should consider the AC frequency, fuse condition, inrush profile, front connector, and thermal dissipation. Reserve the 40 mm × 255 mm × 195 mm installation space around the module. Allow for the module heat contribution when several AC loads switch together in a closed cabinet.
        Alternative Names
        6ES5455-4UA12 6ES54554UA12 SIMATIC S5 455-4 Siemens 455-4 digital module S5 455-4 I/O module 455-4 compact module Siemens 6ES5455-4UA12
        Technical notes
        For Siemens 6ES5455-4UA12, preserve the isolated field references and confirm AC load protection before energizing any of the sixteen output circuits.
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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.
        VIEW ALL FAQS
        Why is isolation important on Siemens 6ES5455-4UA12?
        The module provides 16 isolated ac outputs for 24–60 v ac field range.
        How should field references be separated around Siemens 6ES5455-4UA12?
        It is matched to 455-4 output module and the established SIMATIC S5 backplane.
        What interlock role can Siemens 6ES5455-4UA12 provide?
        Provides isolated switching for interlocked machine functions.
        Can Siemens 6ES5455-4UA12 still be sourced for a legacy rack?
        Siemens treats the legacy order as discontinued; Apter Power can support documentation and sourcing checks.
        What prevents an unsafe swap of Siemens 6ES5455-4UA12?
        Compare slot, connector, signal class, address map, and load protection before any exchange.
        What quantity information is useful for Siemens 6ES5455-4UA12?
        Send the full order code, quantity, destination, label details, and manual requirement for a matched response.

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