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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.

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  • 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 ...

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  • 6ES5432-4UA12 Siemens
    $608.44 - $700.00
    $700.00
    $608.44 - $700.00
    $700.00

    6ES5432-4UA12 Siemens

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

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  • 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...

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  • 6ES5433-8MA11 Siemens
    $500.00 - $745.36
    $745.36
    $500.00 - $745.36
    $745.36

    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...

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  • 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...

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  • 6ES5420-4UA12 Siemens
    $563.84 - $740.00
    $563.84 - $740.00
    $563.84 - $740.00
    $563.84

    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
    $432.00 - $632.00
    $632.00
    $432.00 - $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...

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  • 6ES5440-8MA21 Siemens
    $687.44 - $1,099.01
    $687.44 - $1,099.01
    $687.44 - $1,099.01
    $687.44

    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...

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  • 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...

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  • 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/...

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  • 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 ...

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  • 6ES5453-4UA12 Siemens
    $554.92 - $965.75
    $554.92 - $965.75
    $554.92 - $965.75
    $554.92

    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...

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  • 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 ...

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  • 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...

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  • 6ES5422-8MA11 Siemens
    $540.56 - $1,072.50
    $540.56 - $1,072.50
    $540.56 - $1,072.50
    $540.56

    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 ...

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  • 6ES5451-8MA11 Siemens
    $600.00 - $720.00
    $720.00
    $600.00 - $720.00
    $720.00

    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...

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  • 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...

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  • 6ES5700-8MA11 Siemens
    $436.92 - $440.00
    $440.00
    $436.92 - $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
    $625.80 - $796.00
    $625.80 - $796.00
    $625.80 - $796.00
    $625.80

    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
    $1,690.00 - $3,076.20
    $1,690.00 - $3,076.20
    $1,690.00 - $3,076.20
    $1,690.00

    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...

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  • 6ES5420-3BA11 Siemens
    $375.00 - $734.25
    $375.00 - $734.25
    $375.00 - $734.25
    $734.25

    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...

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  • 6ES5243-1AA13 Siemens
    $3,582.25 - $4,590.00
    $3,582.25 - $4,590.00
    $3,582.25 - $4,590.00
    $3,582.25

    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...

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  • 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...

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  • 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...

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  • 6ES5415-7AB11 Siemens
    $796.00 - $2,928.20
    $796.00 - $2,928.20
    $796.00 - $2,928.20
    $796.00

    6ES5415-7AB11 Siemens

    SIMATIC S5 415 DIGITAL OUTPUT MODULE GALVANICALLY ISOLATED 8 OUTPUTS, 115 V AC, 2 A

  • 6ES5756-0AA11 Siemens
    $471.96 - $582.20
    $471.96 - $582.20
    $471.96 - $582.20
    $471.96

    6ES5756-0AA11 Siemens

    SIMATIC S5, JUMPERING MODULE FOR PC S5-150U

  • 6ES5243-1AA11 Siemens
    $0.00 - $479.96
    $479.96
    $0.00 - $479.96
    $479.96

    6ES5243-1AA11 Siemens

    Product Overview The Siemens 6ES5243-1AA11 is an analog input module from the SIMATIC S5-100U series (S5-FM 243 family). It provides analog inpu...

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  • 6ES5243-1AA12 Siemens
    $1,600.00 - $5,100.00
    $1,600.00 - $5,100.00
    $1,600.00 - $5,100.00
    $1,600.00

    6ES5243-1AA12 Siemens

    Product Overview The Siemens 6ES5243-1AA12 is an analog input module in the SIMATIC S5 family. It plugs into the S5 backplane and provides analo...

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  • 6ES5243-1AB11 Siemens
    $450.00 - $4,384.30
    $450.00 - $4,384.30
    $450.00 - $4,384.30
    $450.00

    6ES5243-1AB11 Siemens

    Product Overview The Siemens SIMATIC S5 module 6ES5243-1AB11 is an analog input interface for the SIMATIC S5 automation system, functioning with...

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  • 6ES5243-1AC11 Siemens
    $3,042.00 - $4,374.95
    $3,042.00 - $4,374.95
    $3,042.00 - $4,374.95
    $4,374.95

    6ES5243-1AC11 Siemens

    Product Overview The 6ES5243-1AC11 is a SIMATIC S5 series analog output module (IP243 family) designed for outputting analog signals in industri...

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  • 6ES5281-4UA12 Siemens
    $1,097.25 - $3,420.00
    $1,097.25 - $3,420.00
    $1,097.25 - $3,420.00
    $1,097.25

    6ES5281-4UA12 Siemens

    SIMATIC S5, IP 281 Counter module für S5-115U/H, S5-135U/-155U/H, Encoder supply 24V on board UL-/CSA-listed