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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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  • 6GK7343-1EX20-0XE0 Siemens
    $722.50 - $1,835.68
    $722.50 - $1,835.68
    $722.50 - $1,835.68
    $722.50

    6GK7343-1EX20-0XE0 Siemens

    SIMATIC NET, CP 343-1 COMMUNICATIONS PROCESSOR FOR CONNECTION OF SIMATIC S7-300 W. IND. ETHERNET USING TCP/IP AND UDP, S7 COMM., FETCH/WRITE, SEND/...

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  • 6ES7315-2AF03-0AB0 Siemens
    $549.97 - $4,032.00
    $549.97 - $4,032.00
    $549.97 - $4,032.00
    $549.97

    6ES7315-2AF03-0AB0 Siemens

    SIMATIC S7-300, CPU 315-2 DP, Central processing unit with integr. Power supply 24 V DC, Work memory 64 KB 2nd interface DP master/slave

  • 6GK7343-1GX30-0XE0 Siemens
    $1,935.50 - $2,204.88
    $1,935.50 - $2,204.88
    $1,935.50 - $2,204.88
    $1,935.50

    6GK7343-1GX30-0XE0 Siemens

    Communications processor CP 343-1 Advanced for connection of SIMATIC S7-300 CPU to Industrial Ethernet: PROFINET IO controller a./o. IO device; RT ...

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  • 6ES7316-2AG00-0AB0 Siemens
    $731.73 - $4,295.90
    $731.73 - $4,295.90
    $731.73 - $4,295.90
    $731.73

    6ES7316-2AG00-0AB0 Siemens

    SIMATIC S7-300, CPU 316-2DP Central processing unit with integr. Power supply 24 V DC, Work memory 128 KB 2nd interface DP master/slave

  • 6ES7317-2EK14-0AB0 Siemens
    $1,625.00 - $25,364.85
    $1,625.00 - $25,364.85
    $1,625.00 - $25,364.85
    $1,625.00

    6ES7317-2EK14-0AB0 Siemens

    SIMATIC S7-300 CPU 317-2 PN/DP, Central processing unit with 1 MB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, wit...

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  • 6GK7443-1EX11-0XE0 Siemens
    $357.50 - $538.29
    $357.50 - $538.29
    $357.50 - $538.29
    $357.50

    6GK7443-1EX11-0XE0 Siemens

    Communications processor CP 443-1 for connection of SIMATIC S7-400 to industrial Ethernet via ISO/TCP/IP and UDP, S7 communication, fetch/write, Di...

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  • 6GK7443-1GX30-0XE0 Siemens
    $5,848.50 - $8,607.00
    $8,607.00
    $5,848.50 - $8,607.00
    $8,607.00

    6GK7443-1GX30-0XE0 Siemens

    4 X 10/100 MBIT/S (IE SWITCH); RJ 45 PORTS; ISO; TCP; UDP; PROFINET-IO CON- TROLLER; S7-COMMUNCATION; OPEN Communication (SEND/RE- CEIVE); S7-ROUTI...

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  • 6ES7321-1BL00-0AA0 Siemens
    $300.00 - $330.00
    $330.00
    $300.00 - $330.00
    $330.00

    6ES7321-1BL00-0AA0 Siemens

    SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN

  • 6ES7322-1FF01-0AA0 Siemens
    $522.47 - $1,915.90
    $522.47 - $1,915.90
    $522.47 - $1,915.90
    $522.47

    6ES7322-1FF01-0AA0 Siemens

    SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, 8 DO, 120/230V AC, 1A, 1 X 20 PIN

  • 6ES7322-1HF01-0AA0 Siemens
    $0.00 - $300.00
    $300.00
    $0.00 - $300.00
    $300.00

    6ES7322-1HF01-0AA0 Siemens

    Simatic S7-300, Digital Output SM322, Optically ISOLATED, 8 DO (RELAY), 1 X 20 PIN, 24V DC, 2A OR 230V AC, 2A

  • 6GT2801-2AB10 Siemens
    $0.00 - $737.50
    $737.50
    $0.00 - $737.50
    $737.50

    6GT2801-2AB10 Siemens

    Simatic RF300 READER RF340R (RF300+ISO15693) with RS422-INTERFACE (3964R) IP 67, -25 UP TO +70 DGR/C, 75 X 75 X 41 MM with Integrated Antenna Notes...

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  • 6ES7322-1HH01-0AA0 Siemens
    $519.75 - $1,845.00
    $519.75 - $1,845.00
    $519.75 - $1,845.00
    $519.75

    6ES7322-1HH01-0AA0 Siemens

    Simatic S7-300, Digital Output SM322, Optically Isolated 16DO, RELAY CONTACTS, 1 X 20 PIN

  • 6ES7326-1BK02-0AB0 Siemens
    $1,063.13 - $2,730.20
    $1,063.13 - $2,730.20
    $1,063.13 - $2,730.20
    $1,063.13

    6ES7326-1BK02-0AB0 Siemens

    Simatic S7, Digital Input SM326, F-DI 24 X DC 24V, FAILSAFE Digital INPUTS FOR Simatic S7 FAILSAFE Systems with DIAGNOST. Interrupt, UP TO CATEGORY...

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  • 6RY1703-0AA01 Siemens
    $0.00 - $3,591.04
    $3,591.04
    $0.00 - $3,591.04
    $3,591.04

    6RY1703-0AA01 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7331-1KF01-0AB0 Siemens
    $300.03 - $2,202.20
    $300.03 - $2,202.20
    $300.03 - $2,202.20
    $300.03

    6ES7331-1KF01-0AB0 Siemens

    SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, 66 MS MODULE UPDA...

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  • 6ES7331-7KF02-0AB0 Siemens
    $300.00 - $2,850.00
    $300.00 - $2,850.00
    $300.00 - $2,850.00
    $300.00

    6ES7331-7KF02-0AB0 Siemens

    SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole Removing/in...

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  • 6RY1703-0DA02 Siemens
    $0.00 - $8,250.00
    $0.00 - $8,250.00
    $0.00 - $8,250.00
    $8,250.00

    6RY1703-0DA02 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES7331-7NF00-0AB0 Siemens
    $372.57 - $974.88
    $372.57 - $974.88
    $372.57 - $974.88
    $372.57

    6ES7331-7NF00-0AB0 Siemens

    Simatic S7-300, ANALOG Input SM331, Optically ISOLATED, 8 AE; +/-5/10V, 1-5 V, +/-20mA, 0/4 TO 20mA, 16 BIT (55 MS), 1 COMMON POINT(50 V COM.), 1 X...

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  • 6ES7331-7NF10-0AB0 Siemens
    $3,678.50 - $4,236.75
    $3,678.50 - $4,236.75
    $3,678.50 - $4,236.75
    $3,678.50

    6ES7331-7NF10-0AB0 Siemens

    SIMATIC S7-300, Analog input SM 331, isolated, 8 AI; +/-5/10V, 1-5 V, +/-20 mA, 0/4 to 20 mA, 16 bit, Single rooting (60 V COM.), 4-channel operati...

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  • 6ES7331-7PF11-0AB0 Siemens
    $400.07 - $1,772.50
    $400.07 - $1,772.50
    $400.07 - $1,772.50
    $400.07

    6ES7331-7PF11-0AB0 Siemens

    Simatic S7-300, ANALOG Input SM331, Optically ISOLATATED, 8 AI THERMOCOUPLE, TYPE B, E, J, K, L, N, R, S, T TXK/TXK(L) ACCORDING GOST 16 BIT, 50 MS...

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  • 6SC6500-0UC01 Siemens
    $0.00 - $1,247.50
    $1,247.50
    $0.00 - $1,247.50
    $1,247.50

    6SC6500-0UC01 Siemens

    SIMODRIVE 650 I/O P.C.B

  • 6ES7332-5HF00-0AB0 Siemens
    $439.01 - $2,494.80
    $439.01 - $2,494.80
    $439.01 - $2,494.80
    $439.01

    6ES7332-5HF00-0AB0 Siemens

    SIMATIC S7-300, Analog output SM 332, isolated, 8 AO, U/I; diagnostics; resolution 11/12 bits, 40-pole, removing and inserting possible with active...

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  • 6SE3214-0DA40 Siemens
    $887.50 - $3,599.98
    $887.50 - $3,599.98
    $887.50 - $3,599.98
    $887.50

    6SE3214-0DA40 Siemens

    MICROMASTER VECTOR MMV150/3 UNFILTERED 3AC 380-500V +/-10 50/60HZ CONSTANT TORQUE: 1.5 KW OVERLOAD 150 60SEC, 200 3SEC VARIABLE TORQUE: N/A 175 X 7...

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  • 6ES7361-3CA01-0AA0 Siemens
    $343.75 - $412.50
    $343.75 - $412.50
    $343.75 - $412.50
    $343.75

    6ES7361-3CA01-0AA0 Siemens

    Simatic S7-300,INTERFACE Module IM361 IN EXPANSION RACK FOR CONNECTING TO Central RACK (IM360),24 V DC SUPPLY VOLTAGE, with K-BUS