Skip to content
Free Ground Shipping | Overnight Shipping Available | Texas-based company, and all shipments come from the USA
(833) 800-7748

Siemens

Shop our collection of surplus Siemens PLCs. These industrial control systems have been used in a variety of industrial settings and have been fully tested for functionality and reliability. With models available, including the popular S7-300 and S7-1200 series, we have the perfect solution for your automation needs. Don't miss out on this opportunity to save on cost while still getting the industry-leading technology from Siemens. Browse our stock today and find the PLC that fits your specific needs.
  • 6ES5451-4UA13 Siemens
    $432.00 - $439.80
    $432.00 - $439.80
    $432.00 - $439.80
    $432.00

    6ES5451-4UA13 Siemens

    Product Overview SIMATIC S5 Digital Output Module, part number 6ES5451-4UA13, belongs to the S5-451 compact module family. It provides 32 floati...

    View full details
  • 6ES5305-7LA11 Siemens
    $860.75 - $2,371.60
    $860.75 - $2,371.60
    $860.75 - $2,371.60
    $860.75

    6ES5305-7LA11 Siemens

    SIMATIC S5, Connection IM 305 for S5-115U 2 modules for central connection from 1 extension device to 1 central unit incl. plug-in cable 0.5 m

  • 6ES5312-5CA12 Siemens
    $420.00 - $434.00
    $434.00
    $420.00 - $434.00
    $434.00

    6ES5312-5CA12 Siemens

    SIMATIC S5, Connection IM312 (in expansion unit) for central Connection of ED to central device or extended device ED without power supply,Compact ...

    View full details
  • 6ES5777-0BC00 Siemens
    $423.76 - $529.72
    $423.76 - $529.72
    $423.76 - $529.72
    $423.76

    6ES5777-0BC00 Siemens

    SIMATIC S5 BT 777-0 BUS TERMINAL F. SINEC L1 LAN F. DISTANCES UP TO 2.5KM W. 2M CABLE

  • 6ES5410-7AA11 Siemens
    $588.00 - $899.91
    $588.00 - $899.91
    $588.00 - $899.91
    $588.00

    6ES5410-7AA11 Siemens

    Product Overview The 6ES5410-7AA11 is a digital output module (static) for the SIMATIC S5-110S programmable controller family. It performs switc...

    View full details
  • 6ES5460-7LA13 Siemens
    $700.00 - $3,300.00
    $700.00 - $3,300.00
    $700.00 - $3,300.00
    $700.00

    6ES5460-7LA13 Siemens

    Product Overview 6ES5460-7LA13 is a Siemens SIMATIC S7 analog input module with 8 channels for voltage and current metering, supporting both 2-w...

    View full details
  • 6ES5454-4UA14 Siemens
    $780.00 - $793.27
    $780.00 - $793.27
    $780.00 - $793.27
    $780.00

    6ES5454-4UA14 Siemens

    Product Overview Siemens part 6ES5454-4UA14 is a SIMATIC S5 digital output module, providing 16 transistor-style (solid-state) outputs rated at ...

    View full details
  • 6ES5454-4UA13 Siemens
    $0.00 - $519.96
    $519.96
    $0.00 - $519.96
    $519.96

    6ES5454-4UA13 Siemens

    Product Overview The Siemens SIMATIC S5 454 digital output module (part number 6ES5454-4UA13) is a compact, floating 16-channel 24 V DC output m...

    View full details
  • 6ES5450-8MD11 Siemens
    $676.01 - $1,037.33
    $676.01 - $1,037.33
    $676.01 - $1,037.33
    $676.01

    6ES5450-8MD11 Siemens

    Product Overview The Siemens 6ES5450-8MD11 is a SIMATIC S5 series digital output module, designated as 'Digital Output 450 Isolated'. It provide...

    View full details
  • 6ES5312-5CA22 Siemens
    $740.00 - $3,148.20
    $740.00 - $3,148.20
    $740.00 - $3,148.20
    $740.00

    6ES5312-5CA22 Siemens

    SIMATIC S5, Connection IM312 (in expansion unit) for central Connection of ED to central device or extended device ED without power supply,Compact ...

    View full details
  • 6ES5304-3UB11 Siemens
    $520.00 - $962.50
    $962.50
    $520.00 - $962.50
    $962.50

    6ES5304-3UB11 Siemens

    Product Overview The 6ES5304-3UB11 is an interface module (Connection IM 304) belonging to the SIMATIC S5 series by Siemens. It installs in the ...

    View full details
  • 6ES5377-0AB21 Siemens
    $756.80 - $806.27
    $756.80 - $806.27
    $756.80 - $806.27
    $756.80

    6ES5377-0AB21 Siemens

    Product Overview The 6ES5377-0AB21 is a SIMATIC S5 series RAM memory module with 32 KB capacity. It serves as external volatile memory for opera...

    View full details
  • 6ES5400-7AA13 Siemens
    $1,400.00 - $1,540.00
    $1,400.00 - $1,540.00
    $1,400.00 - $1,540.00
    $1,400.00

    6ES5400-7AA13 Siemens

    SIMATIC S5, DIGITAL INPUT MODULE 400 GALVANICALLY ISOLATED 8 INPUTS 24 V DC

  • 6ES5431-8MC11 Siemens
    $650.21 - $1,341.55
    $650.21 - $1,341.55
    $650.21 - $1,341.55
    $650.21

    6ES5431-8MC11 Siemens

    SIMATIC S5, Digital input 431 for S5-90U/-95U/-100U, ET 100U, ET 200U 8 inputs 115V UC

  • 6ES5451-7LA12 Siemens
    $560.00 - $1,960.15
    $560.00 - $1,960.15
    $560.00 - $1,960.15
    $560.00

    6ES5451-7LA12 Siemens

    Product Overview The Siemens SIMATIC module 6ES5451-7LA12 is a legacy interface adapter configured as a 32-channel digital output module. It fac...

    View full details
  • 6ES5451-7LA11 Siemens
    $450.00 - $985.30
    $450.00 - $985.30
    $450.00 - $985.30
    $450.00

    6ES5451-7LA11 Siemens

    Product Overview The 6ES5451-7LA11 is a SIMATIC S5 interface module designed for the S7 system via adapter usage. It provides 32 digital output ...

    View full details
  • 6ES5464-8MC11 Siemens
    $560.00 - $1,933.05
    $560.00 - $1,933.05
    $560.00 - $1,933.05
    $560.00

    6ES5464-8MC11 Siemens

    Product Overview The 6ES5464-8MC11 is a SIMATIC S5-series analog input module with four input channels designed for ±10 V signals. Installed in ...

    View full details
  • 6ES5464-8MF11 Siemens
    $749.79 - $776.60
    $776.60
    $749.79 - $776.60
    $776.60

    6ES5464-8MF11 Siemens

    Product Overview The Siemens module 6ES5464-8MF11 is an analog input module for the S5-100U programmable logic controller family. It provides fo...

    View full details
  • 6ES5375-0LD31 Siemens
    $1,022.95 - $1,278.70
    $1,022.95 - $1,278.70
    $1,022.95 - $1,278.70
    $1,022.95

    6ES5375-0LD31 Siemens

    Product Overview The 6ES5375-0LD31 is a Siemens SIMATIC S5 S5-375 series RAM memory submodule ("0LD" variant) used to store user programs and pa...

    View full details
  • 6ES5451-8MR12 Siemens
    $2,053.10 - $2,327.50
    $2,053.10 - $2,327.50
    $2,053.10 - $2,327.50
    $2,053.10

    6ES5451-8MR12 Siemens

    Product Overview The 6ES5451-8MR12 is a Siemens SIMATIC S5/ET 200U distributed I/O digital module combining both inputs and outputs in a single ...

    View full details
  • 6ES5432-4UA12 Siemens
    $584.38 - $608.44
    $584.38 - $608.44
    $584.38 - $608.44
    $584.38

    6ES5432-4UA12 Siemens

    Product Overview The Siemens 6ES5432-4UA12 is a SIMATIC S5 series digital input module ("Digitaleingabebaugruppe 432") with 32 discrete inputs a...

    View full details
  • 6ES5430-7LA12 Siemens
    $599.96 - $704.00
    $599.96 - $704.00
    $599.96 - $704.00
    $599.96

    6ES5430-7LA12 Siemens

    Product Overview The Siemens 6ES5430-7LA12 is a SIMATIC S5-150U series digital input module providing 32 floating inputs at 24 V DC. It is desig...

    View full details
  • 6ES5433-8MA11 Siemens
    $500.00 - $709.88
    $709.88
    $500.00 - $709.88
    $709.88

    6ES5433-8MA11 Siemens

    Product Overview The Siemens ET 200U digital input module 6ES5 433-8MA11 provides eight discrete input channels within the ET 200U distributed I...

    View full details
  • 6ES5430-4UA14 Siemens
    $512.00 - $555.00
    $512.00 - $555.00
    $512.00 - $555.00
    $512.00

    6ES5430-4UA14 Siemens

    Product Overview The 6ES5430-4UA14 is a Siemens SIMATIC S5 series discrete input module, part of the Digital Input 430 family. It provides 32 is...

    View full details
  • 6ES5420-4UA12 Siemens
    $668.00 - $740.00
    $668.00 - $740.00
    $668.00 - $740.00
    $668.00

    6ES5420-4UA12 Siemens

    SIMATIC S5 420 DIGITAL INPUT MODULE NON-FLOATING 32 INPUTS, DC 24V COMPACT VERSION U

  • 6ES5377-0AA11 Siemens
    $312.13 - $475.52
    $312.13 - $475.52
    $312.13 - $475.52
    $475.52

    6ES5377-0AA11 Siemens

    SIMATIC S5, Memory module 377 Short design RAM, 16 KB

  • 6ES5788-8MA11 Siemens
    $520.00 - $632.00
    $632.00
    $520.00 - $632.00
    $632.00

    6ES5788-8MA11 Siemens

    SIMATIC S5, SIMULATION UNIT 788 for S5-90U/-95U/-100U, AND 100U/AND 200U Simulation of 8 input SIGNALS or 8 output signals

  • 6ES5420-7LA11 Siemens
    $412.00 - $605.00
    $412.00 - $605.00
    $412.00 - $605.00
    $412.00

    6ES5420-7LA11 Siemens

    Product Overview The 6ES5 420-7LA11 is a SIMATIC S5-115U digital input module featuring 32 non-floating inputs for 24 V DC signals. It serves as...

    View full details
  • 6ES5440-8MA21 Siemens
    $623.56 - $760.00
    $623.56 - $760.00
    $623.56 - $760.00
    $623.56

    6ES5440-8MA21 Siemens

    Product Overview The Siemens 6ES5440-8MA21 is a digital output module in the SIMATIC S5 ET 100U distributed I/O family. It provides four channel...

    View full details
  • 6ES5436-4UA12 Siemens
    $753.50 - $1,375.00
    $753.50 - $1,375.00
    $753.50 - $1,375.00
    $753.50

    6ES5436-4UA12 Siemens

    Product Overview The 6ES5436-4UA12 is a digital input module (Digitaleingabebaugruppe 436-4) designed for the SIMATIC S5-135U/155U control platf...

    View full details
  • 6ES5441-8MA11 Siemens
    $450.00 - $700.00
    $700.00
    $450.00 - $700.00
    $700.00

    6ES5441-8MA11 Siemens

    Product Overview The SIMATIC ET 200U digital input module 6ES5441-8MA11 is a field-level I/O component within the Siemens ET 200U distributed I/...

    View full details
  • 6ES5452-8MR11 Siemens
    $439.80 - $516.00
    $439.80
    $439.80 - $516.00
    $439.80

    6ES5452-8MR11 Siemens

    Product Overview The Siemens module 6ES5452-8MR11 is a digital output module from the SIMATIC ET 200U (DP) distributed I/O system. Installed in ...

    View full details
  • 6ES5453-4UA12 Siemens
    $450.00 - $919.77
    $450.00 - $919.77
    $450.00 - $919.77
    $450.00

    6ES5453-4UA12 Siemens

    Product Overview The 6ES5453-4UA12 is a Siemens SIMATIC S5 digital output module (16 channels) designed to interface process-level signals to hi...

    View full details
  • 6ES5318-8MB11 Siemens
    $680.00 - $3,441.60
    $680.00 - $3,441.60
    $680.00 - $3,441.60
    $680.00

    6ES5318-8MB11 Siemens

    Product Overview The 6ES5318-8MB11 is a SIMATIC S5 ET 200U DP Siemens interface module (IM 318-B), functioning as a slave interface coupling ET ...

    View full details
  • 6ES5421-8MA12 Siemens
    $450.00 - $500.00
    $450.00 - $500.00
    $450.00 - $500.00
    $450.00

    6ES5421-8MA12 Siemens

    Product Overview 6ES5421-8MA12 is a SIMATIC S5 series digital input module, model 421-8MA12. It integrates eight non-isolated 24 V DC inputs and...

    View full details
  • 6ES5422-8MA11 Siemens
    $675.68 - $1,072.50
    $675.68 - $1,072.50
    $675.68 - $1,072.50
    $675.68

    6ES5422-8MA11 Siemens

    Product Overview The Siemens 6ES5422-8MA11 is a digital I/O module of the SIMATIC ET 200U series. It provides combined digital input and output ...

    View full details
  • 6ES5451-8MA11 Siemens
    $600.00 - $607.75
    $607.75
    $600.00 - $607.75
    $607.75

    6ES5451-8MA11 Siemens

    Product Overview The module 6ES5451-8MA11 is a Siemens SIMATIC ET 100U series digital output module. It provides eight supply-isolated transisto...

    View full details
  • 6ES5431-8MA11 Siemens
    $0.00 - $556.00
    $0.00 - $556.00
    $0.00 - $556.00
    $556.00

    6ES5431-8MA11 Siemens

    SIMATIC S5, Digital input 431 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 8 inputs 24 V DC

  • 6ES5377-0AB31 Siemens
    $428.08 - $472.84
    $428.08 - $472.84
    $428.08 - $472.84
    $428.08

    6ES5377-0AB31 Siemens

    Product Overview The Siemens 6ES5377-0AB31 is a 64 kByte RAM module designed for use with SIMATIC S5 series controllers. It provides volatile me...

    View full details
  • 6ES5700-8MA11 Siemens
    $416.12 - $440.00
    $440.00
    $416.12 - $440.00
    $440.00

    6ES5700-8MA11 Siemens

    SIMATIC S5 BUS UNIT FOR S5-100U/ET 100U PLC WITH TERM.BLOCK FOR SCREW TERMINALS

  • 6ES5095-8MB02 Siemens
    $720.00 - $1,320.00
    $720.00 - $1,320.00
    $720.00 - $1,320.00
    $720.00

    6ES5095-8MB02 Siemens

    SIMATIC S5, S5-95U COMPACT UNIT WITH PROFIBUS INTERFACE

  • 6ES5752-0AA53 Siemens
    $561.94 - $796.00
    $561.94 - $796.00
    $561.94 - $796.00
    $561.94

    6ES5752-0AA53 Siemens

    SIMATIC S5, INTERFACE MODULE "PG-MODULE" FOR CPU 928B AND CPU 948

  • 6ES5457-7LA11 Siemens
    $569.22 - $765.24
    $569.22 - $765.24
    $569.22 - $765.24
    $569.22

    6ES5457-7LA11 Siemens

    SIMATIC S5 457 DIGITAL OUTPUT MODULE FLOATING, F. S5-115U PLC 32 OUTPUTS, 5/24V DC; 0.1 A

  • 6ES5240-1AA21 Siemens
    $1,713.73 - $3,076.20
    $1,713.73 - $3,076.20
    $1,713.73 - $3,076.20
    $1,713.73

    6ES5240-1AA21 Siemens

    Product Overview The Siemens IP 240 (6ES5 240-1AA21) is a legacy counter interface module in the SIMATIC S5 series, offering enhanced compatibil...

    View full details
  • 6ES5420-3BA11 Siemens
    $375.00 - $880.00
    $375.00 - $880.00
    $375.00 - $880.00
    $880.00

    6ES5420-3BA11 Siemens

    Product Overview Siemens 6ES5-420-3BA11 is a digital input module from the SIMATIC S5 line. It provides 32 discrete DC input channels and is use...

    View full details
  • 6ES5243-1AA13 Siemens
    $3,748.50 - $4,590.00
    $3,748.50 - $4,590.00
    $3,748.50 - $4,590.00
    $3,748.50

    6ES5243-1AA13 Siemens

    Product Overview The 6ES5243-1AA13 is a Siemens SIMATIC S5 analog output module, part of the 6ES5-243 series. It functions in programmable logic...

    View full details
  • 6ES5244-3AA21 Siemens
    $0.00 - $935.00
    $935.00
    $0.00 - $935.00
    $935.00

    6ES5244-3AA21 Siemens

    Product Overview The 6ES5244-3AA21 is a Siemens SIMATIC S5 IP 244 temperature control module designed for integration into the S5-115U automatio...

    View full details
  • 6ES5460-4UA11 Siemens
    $742.50 - $1,475.00
    $742.50 - $1,475.00
    $742.50 - $1,475.00
    $742.50

    6ES5460-4UA11 Siemens

    Product Overview The Siemens SIMATIC S5 analog input module 6ES5460-4UA11 is a floating analog input module for the S5-460 series, offering eigh...

    View full details