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        6ES5451-4UA13

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES5451-4UA13 is a high-density 451-4 SIMATIC S5 output module with thirty-two floating 24 V DC channels rated at 0.5 A per output.
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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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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 6ES5451-4UA13

        • Manufacturer:
          Siemens
        • Part Number:
          6ES5451-4UA13
        • Product Family:
          Siemens Simatic S5
        • Product Type:
          SIMATIC S5 451-4 digital output module
        • Stock:
          1
        • Rated supply voltage:
          24 V DC (L+)
        • Number of outputs:
          32
        • Isolation:
          Yes, 1 group of 32 outputs
        • Supply range:
          20 to 30 V DC
        • Fuse rating:
          6.3 A slow / 7 A fast, one fuse per 8 outputs
        • Logic 1 output level:
          L+ - 1.5 V min.
        • Logic 0 output level:
          3 V max.
        • Switching current:
          5 mA to 0.5 A
        • Residual current at logic 0:
          0.5 mA max.
        • Lamp current:
          0.22 A max. (5 W)
        • Switching frequency, resistive:
          100 Hz max.
        • Switching frequency, inductive at 0.3 A:
          2 Hz max.
        • Switching frequency, inductive at 0.5 A:
          0.5 Hz max.
        • Breaking voltage:
          L+ - 47 V
        • Total switching current:
          4 A max. per 8 outputs
        • Digital section supply:
          5 V, 80 mA typical
        • 24 V current consumption:
          150 mA typical
        • Power dissipation:
          17 W
        • Enable input current:
          5 mA
        • Enable line length:
          200 m max.
        • Weight:
          0.99 lbs (0.45 kg)
        • Estimated shipping dimensions:
          20 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 Efficiency Temperature & Humidity Range Interoperability

        Features:

        • Thirty-two floating outputs give the 451-4 card a high point count.
        • The channel class is 0.5 A at 24 V DC.
        • Short-circuit monitoring is provided for eight-output groups.
        This UA13 configuration uses eight-output fuse groups with 17 W rated operating dissipation.

        It concentrates command points for distributed actuators while preserving the S5 program and rack structure.

        Verify connector order, group protection, and the high-density address map before applying the field supply.

        The high-density UA13 output card is quoted after a matched 451-4 sourcing review.
        Product resources for Siemens 6ES5451-4UA13:
        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.
        • Provides thirty-two DC commands for machine and process actuator groups.
        • Drives distributed valves, relays, indicators, and interlock outputs.
        • Supports replacement work where the 451-4 program map remains in place.
        • The 451-4 card concentrates thirty-two DC output points in one isolated S5 rack position.
        • Its output stage is intended for repeated discrete switching rather than analog regulation.
        • The selected ventilation condition affects how many channels may operate simultaneously in the cabinet.
        • Keep the module inside the S5 operating temperature and humidity envelope during continuous service.
        • Avoid condensation when a cold spare is moved into a warmer control cabinet.
        • The transport and storage range is wider than the operating range and should be checked separately.
        • The card matches S5 racks using the 451-4 digital output function and 24 V DC field supply.
        • Its isolated group arrangement differs from non-isolated 441 output cards and must match the wiring design.
        • Retain the existing connector pinout and process-image assignment when selecting a replacement.
        Description
        Siemens 6ES5451-4UA13 is a high-density 451-4 digital output module with thirty-two floating 24 V DC channels rated at 0.5 A per output. It is intended for command-heavy S5 cabinets where point count is critical.

        The card can distribute many actuator, relay, indicator, and interlock commands without moving the controller architecture. Its grouped protection and short-circuit monitoring support organized service work on large discrete interfaces. The thirty-two channels provide a high point-count alternative for panels where many 24 V DC commands must remain in one slot.

        A reliable replacement requires a point-by-point check of the high-density connector, eight-output fuse groups, rack address, and field polarity. The 20 mm × 255 mm × 195 mm body must match the installed slot. Its 6.3 A slow-fuse grouping and 17 W rated dissipation should be included in the cabinet protection and heat calculations.
        Alternative Names
        6ES5451-4UA13 6ES54514UA13 SIMATIC S5 451-4 Siemens 451-4 digital module S5 451-4 I/O module 451-4 compact module Siemens 6ES5451-4UA13
        Technical notes
        Siemens 6ES5451-4UA13 needs a point-by-point check of its thirty-two 24 V DC outputs so the high-density connector cannot shift an actuator address.
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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
        What point density does Siemens 6ES5451-4UA13 bring to an S5 cabinet?
        The module provides 32 floating dc outputs for 24 v dc, 0.5 a per output.
        What address map should be retained for Siemens 6ES5451-4UA13?
        It is matched to 451-4 high-density module and the established SIMATIC S5 backplane.
        Which distributed loads can Siemens 6ES5451-4UA13 address?
        Provides thirty-two DC commands for machine and process actuator groups.
        What information is needed to source Siemens 6ES5451-4UA13?
        Siemens treats the legacy order as discontinued; Apter Power can support documentation and sourcing checks.
        What evidence confirms a compatible Siemens 6ES5451-4UA13 spare?
        Compare slot, connector, signal class, address map, and load protection before any exchange.
        Which procurement details speed a Siemens 6ES5451-4UA13 response?
        Send the full order code, quantity, destination, label details, and manual requirement for a matched response.

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