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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.
  • 6ES5458-7LB11 Siemens
    $492.25 - $929.38
    $492.25 - $929.38
    $492.25 - $929.38
    $492.25

    6ES5458-7LB11 Siemens

    SIMATIC S5, DIGITAL OUTPUT 458 FOR S5-115U/F, ISOLATED 8 RELAY OUTPUTS 5A RATED VOLTAGE 115/230V

  • 6ES5431-8FA11 Siemens
    $299.75 - $1,027.43
    $299.75 - $1,027.43
    $299.75 - $1,027.43
    $299.75

    6ES5431-8FA11 Siemens

    SIMATIC S5, Digital input 431 for fail-safe, Isolated for S5-95F, 8 inputs 24 V DC

  • 6ES5451-4UA11 Siemens
    $292.19 - $1,421.43
    $292.19 - $1,421.43
    $292.19 - $1,421.43
    $292.19

    6ES5451-4UA11 Siemens

    SIMATIC S5,451 DIGITAL OUTPUT MODULE FLOATING COMPACT VERSION U 32 OUTPUTS, DC 24V, 0.5A

  • 6ES5432-7LA11 Siemens
    $0.00 - $492.25
    $492.25
    $0.00 - $492.25
    $492.25

    6ES5432-7LA11 Siemens

    SIMATIC S5, Digital input 432 Isolated for S5-115U 16 inputs UC 48 to 60 V

  • 6ES5451-4UA13 Siemens
    $302.36 - $524.62
    $524.62
    $302.36 - $524.62
    $524.62

    6ES5451-4UA13 Siemens

    SIMATIC S5 451-4 DIGITAL OUTPUT MODULE FLOATING, COMPACT VERSION U 32 OUTPUTS, 24V DC; 0.5A

  • 6ES5458-4UA11 Siemens
    $0.00 - $897.50
    $897.50
    $0.00 - $897.50
    $897.50

    6ES5458-4UA11 Siemens

    Simatic S5 , 458 Digital Output Module FLOATING 16 RELAY-CONT.OUTP.DC 60V,0.5 A COMPACT Version U

  • 6ES5305-7LA11 Siemens
    $371.22 - $1,962.28
    $371.22 - $1,962.28
    $371.22 - $1,962.28
    $371.22

    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

  • 6ES5436-4UA11 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES5436-4UA11 Siemens

    SIMATIC S5,436 DIGIT.INP.MODULE FLOATING COMPACT VERSION U 16 INPUTS, AC 115/240V

  • 6ES5312-5CA12 Siemens
    $288.75 - $492.25
    $492.25
    $288.75 - $492.25
    $492.25

    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 ...

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  • 6ES5777-0BC00 Siemens
    $371.25 - $492.25
    $371.25 - $492.25
    $371.25 - $492.25
    $371.25

    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
    $346.50 - $1,521.00
    $346.50 - $1,521.00
    $346.50 - $1,521.00
    $346.50

    6ES5410-7AA11 Siemens

    SIMATIC S5, 410 DIGITAL OUTPUT MODULE GALVANICALLY ISOLATED 8 OUTPUTS 24 V DC, 2 A

  • 6ES5460-7LA13 Siemens
    $706.78 - $3,000.00
    $706.78 - $3,000.00
    $706.78 - $3,000.00
    $706.78

    6ES5460-7LA13 Siemens

    SIMATIC S5, Analog input 460 Isolated Measuring range modules 8 inputs for S5-115U/H/F

  • 6ES5454-4UA14 Siemens
    $382.25 - $540.78
    $382.25 - $540.78
    $382.25 - $540.78
    $382.25

    6ES5454-4UA14 Siemens

    SIMATIC S5,Digitaloutput 454-4 Isolated Compact design 16 Outputs 24/60 V DC

  • 6ES5420-4UA14 Siemens
    $329.97 - $550.00
    $329.97 - $550.00
    $329.97 - $550.00
    $329.97

    6ES5420-4UA14 Siemens

    SIMATIC S5, Digital input 420 Non-isolated Compact design 32 inputs 24 V DC

  • 6ES5454-4UA13 Siemens
    $0.00 - $357.47
    $357.47
    $0.00 - $357.47
    $357.47

    6ES5454-4UA13 Siemens

    SIMATIC S5 454 DIGITAL OUTPUT MODULE FLOATING, COMPACT VERSION U 16 OUTPUTS, 24V DC; 2A

  • 6GK1143-0TB00 Siemens
    $0.00 - $1,532.28
    $1,532.28
    $0.00 - $1,532.28
    $1,532.28

    6GK1143-0TB00 Siemens

    SINEC CP 1430 TF COMMUNICATIONS PROCESSOR CONNECTION OF SIMATIC S5 TO INDUSTRIAL ETHERNET EXTENDED VERSION 1 MS CLOCK PRECISION

  • 6ES5450-8MD11 Siemens
    $677.18 - $1,042.58
    $677.18 - $1,042.58
    $677.18 - $1,042.58
    $677.18

    6ES5450-8MD11 Siemens

    SIMATIC S5, Digital output 450 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 4 Outputs 115/230 V AC; 1A

  • 6ES5312-5CA22 Siemens
    $508.75 - $3,076.20
    $508.75 - $3,076.20
    $508.75 - $3,076.20
    $508.75

    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 ...

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  • 6AV3971-1BA02-0CA0 Siemens
    $0.00 - $453.75
    $453.75
    $0.00 - $453.75
    $453.75

    6AV3971-1BA02-0CA0 Siemens

    MEMORY SUBMODULE FOR TD10 WITH FIRMWARE FOR AS511, FAP, L1, PARALLEL, 128 KBYTES

  • 6ES5304-3UB11 Siemens
    $443.30 - $625.00
    $443.30 - $625.00
    $443.30 - $625.00
    $443.30

    6ES5304-3UB11 Siemens

    SIMATIC S5, Connection IM 304 (in main unit) for decentral connection up to 600m from ED to CD as well as Coupling of central devices for S5-150H-1...

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  • 6ES5435-7LA11 Siemens
    $495.00 - $1,237.50
    $1,237.50
    $495.00 - $1,237.50
    $1,237.50

    6ES5435-7LA11 Siemens

    SIMATIC S5, Digital input 435 Isolated for S5-115U 16 inputs 115V UC 4 groups

  • 6ES5451-7LA21 Siemens
    $0.00 - $1,302.23
    $1,302.23
    $0.00 - $1,302.23
    $1,302.23

    6ES5451-7LA21 Siemens

    SIMATIC S5, digital output 451 Isolated 32 outputs 24 V DC; 0.5 A for S5-115U,with SHORT-CIRCUIT ALARM

  • 6ES5377-0AB21 Siemens
    $320.76 - $588.68
    $320.76 - $588.68
    $320.76 - $588.68
    $320.76

    6ES5377-0AB21 Siemens

    SIMATIC S5, Memory module 377 long design RAM, 32 KB

  • 6ES5430-4UA11 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6ES5430-4UA11 Siemens

    SIMATIC S5,430 DIGIT.INP.MODULE FLOATING 32 INPUTS, DC 24V COMPACT VERSION U

  • 6ES5470-8MC12 Siemens
    $747.50 - $2,026.15
    $747.50 - $2,026.15
    $747.50 - $2,026.15
    $747.50

    6ES5470-8MC12 Siemens

    SIMATIC S5, Analog output 470 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 2 outputs +4 to 20 mA

  • 6ES5400-7AA13 Siemens
    $887.50 - $2,442.65
    $2,442.65
    $887.50 - $2,442.65
    $2,442.65

    6ES5400-7AA13 Siemens

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

  • 6ES5436-7LA11 Siemens
    $3,768.14 - $5,101.79
    $3,768.14 - $5,101.79
    $3,768.14 - $5,101.79
    $3,768.14

    6ES5436-7LA11 Siemens

    Simatic S5, 436 Digital Input MODULE, FLOATING,F. S5-115U PLC 16 INPUTS 230V AC/DC, IN GROUPS OF 4

  • 6ES5440-8MA22 Siemens
    $717.45 - $1,807.50
    $717.45 - $1,807.50
    $717.45 - $1,807.50
    $717.45

    6ES5440-8MA22 Siemens

    SIMATIC S5, Digital output 440 Non-isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 4 outputs 24 V DC; 2A

  • 6ES5431-4UA11 Siemens
    $0.00 - $585.23
    $0.00 - $585.23
    $0.00 - $585.23
    $585.23

    6ES5431-4UA11 Siemens

    SIMATIC S5,431 DIGIT.INP.MODULE FLOATING COMPACT VERSION U 16 INPUTS 24V/48V/60V DC

  • 6AV3971-1NA01-0DA0 Siemens
    $715.00 - $997.50
    $715.00 - $997.50
    $715.00 - $997.50
    $715.00

    6AV3971-1NA01-0DA0 Siemens

    MEMORY MODULE FOR OP20 WITH FIRMWARE FOR CONNECT. WITH PROFIBUS (FDL), DP, SIMATIC 505, NON-SIEMENS PLC'S 64 KBYTE

  • 6ES5956-0AA12 Siemens
    $353.62 - $418.00
    $353.62 - $418.00
    $353.62 - $418.00
    $353.62

    6ES5956-0AA12 Siemens

    SIMATIC S5 15V MODULE F. FITTING TO THE 955 POW.SUPL. F. CP 535

  • 6ES5482-8MA11 Siemens
    $895.00 - $984.15
    $984.15
    $895.00 - $984.15
    $984.15

    6ES5482-8MA11 Siemens

    SIMATIC S5 482 DIGITAL INPUT/OUTPUT MODULE F. S5-100U PLC,16 INPUTS,24V DC 8 OUTPUTS 24 V DC, 0.1A 8 OUTPUTS 24 V DC, 0.5A

  • 6ES5431-8MC11 Siemens
    $536.14 - $1,341.55
    $536.14 - $1,341.55
    $536.14 - $1,341.55
    $536.14

    6ES5431-8MC11 Siemens

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

  • 6ES5777-0BB01 Siemens
    $0.00 - $1,973.48
    $1,973.48
    $0.00 - $1,973.48
    $1,973.48

    6ES5777-0BB01 Siemens

    SIMATIC S5, Bus terminal BT 777-0 for SIMATIC NET L1, with break recognition for distances up to 2.5KM, with 1m connecting wire

  • 6ES5451-7LA12 Siemens
    $385.00 - $1,700.00
    $385.00 - $1,700.00
    $385.00 - $1,700.00
    $385.00

    6ES5451-7LA12 Siemens

    Simatic S5 451 Digital Output Module FLOATING, F. S5-115U/F PLC 32 OUTPUTS, 24V DC; 0.5A

  • 6ES5451-7LA11 Siemens
    $300.00 - $2,079.36
    $300.00 - $2,079.36
    $300.00 - $2,079.36
    $300.00

    6ES5451-7LA11 Siemens

    SIMATIC S5 451 DIGITAL OUTPUT MODULE FLOATING, F. S5-115U/F PLC 32 OUTPUTS, 24V DC; 0.5A

  • 6ES5380-8MA11 Siemens
    $0.00 - $352.69
    $0.00 - $352.69
    $0.00 - $352.69
    $352.69

    6ES5380-8MA11 Siemens

    SIMATIC S5, Time module 380 for S5-90U/-95U/-100U, ET 100U, ET 200U 2 TIMING ELEMENTS, 0.3 to 30 A

  • 6ES5464-8MC11 Siemens
    $374.00 - $697.50
    $374.00 - $697.50
    $374.00 - $697.50
    $374.00

    6ES5464-8MC11 Siemens

    Simatic S5 464 ANALOG Input Module FLOATING, FOR S5-90U/-95U/-100U ET 100U, ET 200U 4 INPUTS +- 10V

  • 6ES5464-8MF11 Siemens
    $619.65 - $1,062.50
    $619.65 - $1,062.50
    $619.65 - $1,062.50
    $619.65

    6ES5464-8MF11 Siemens

    SIMATIC S5, Analog input 464 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 2 inputs +-500mV; Pt100

  • 6ES5375-0LD31 Siemens
    $376.61 - $620.15
    $376.61 - $620.15
    $376.61 - $620.15
    $376.61

    6ES5375-0LD31 Siemens

    SIMATIC S5, Memory module 375 RAM, 32 KB

  • 6ES5453-8MA11 Siemens
    $445.50 - $540.00
    $445.50 - $540.00
    $445.50 - $540.00
    $445.50

    6ES5453-8MA11 Siemens

    SIMATIC S5, Digital output 453 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 8 outputs 5/24V DC; 0.1 A

  • 6ES5451-8MR12 Siemens
    $543.84 - $2,327.50
    $543.84 - $2,327.50
    $543.84 - $2,327.50
    $543.84

    6ES5451-8MR12 Siemens

    SIMATIC S5, Digital output 451 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 8 Relay outputs DC 30/AC 230 V

  • 6ES5431-8MD11 Siemens
    $282.23 - $495.33
    $282.23 - $495.33
    $282.23 - $495.33
    $282.23

    6ES5431-8MD11 Siemens

    SIMATIC S5, Digital input 431 for S5-90U/-95U/-100U, ET 100U, ET 200U 8 inputs 230V UC

  • 6ES5432-4UA12 Siemens
    $531.25 - $612.13
    $531.25 - $612.13
    $531.25 - $612.13
    $531.25

    6ES5432-4UA12 Siemens

    SIMATIC S5, Digital input 432 Isolated Compact design U 32 inputs 24 VDC W GROUP SIGNAL

  • 6ES5430-7LA12 Siemens
    $412.47 - $484.00
    $412.47 - $484.00
    $412.47 - $484.00
    $412.47

    6ES5430-7LA12 Siemens

    Simatic S5 430 Digital Input Module FLOATING, FOR S5-115U/F 32 INPUTS, 24 V DC

  • 6AV3971-1NA01-0CA0 Siemens
    $0.00 - $519.75
    $519.75
    $0.00 - $519.75
    $519.75

    6AV3971-1NA01-0CA0 Siemens

    MEMORY SUBMODULE FOR OP20 WITH FIRMWARE FOR AS511, FAP, L1, 64 KBYTES

  • 6ES5433-8MA11 Siemens
    $343.75 - $464.81
    $464.81
    $343.75 - $464.81
    $464.81

    6ES5433-8MA11 Siemens

    SIMATIC S5, Digital input 433 Isolated for S5-90U/-95U/-100U, ET 100U, ET 200U 8 inputs 5 to 24V

  • 6ES5752-0AA22 Siemens
    $937.50 - $2,218.04
    $2,218.04
    $937.50 - $2,218.04
    $2,218.04

    6ES5752-0AA22 Siemens

    SIMATIC S5 INTERFACE MODULE FOR CP524 AND CPU928B V.24/V.28 (RS 232C) INTERFACE