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.
  • 6ES5521-8MB12 Siemens
    Original price $1,823.78 - Original price $2,359.01
    Original price
    $1,823.78 - $2,359.01
    $1,823.78 - $2,359.01
    Current price $1,823.78

    6ES5521-8MB12 Siemens

    SIMATIC S5, CP 521 Basic serial interface, Basic programming for S5-90U/-95U/-100U, ET 200U

  • 6ES5524-3UA12 Siemens
    Original price $0.00 - Original price $882.23
    Original price
    $882.23
    $0.00 - $882.23
    Current price $882.23

    6ES5524-3UA12 Siemens

    Simatic S5 CP524 Communications Processor

  • 6ES5525-3UA11 Siemens
    Original price $481.25 - Original price $999.98
    Original price
    $481.25 - $999.98
    $481.25 - $999.98
    Current price $481.25

    6ES5525-3UA11 Siemens

    SIMATIC S5 CP 525 COMMUNICATIONS PROCESSOR F. PLC, MINICOMPUTER, PRINTER F. PG 675 PROGRAMMER W. S0, S1

  • 6ES5531-7MA11 Siemens
    Original price $0.00 - Original price $2,930.00
    Original price
    $2,930.00
    $0.00 - $2,930.00
    Current price $2,930.00

    6ES5531-7MA11 Siemens

    CP 531 Communication Module

  • 6ES5741-0AB31 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $549.97
    $0.00 - $549.97
    Current price $549.97

    6ES5741-0AB31 Siemens

    SIMATIC S5, 741 MODULE HOLDER W. 43-PIN TERMINAL STRIP W. DOUBLE PINS W/O RECESS F. HEAT SINK

  • 6ES5752-0AA52 Siemens
    Original price $0.00 - Original price $2,109.45
    Original price
    $2,109.45
    $0.00 - $2,109.45
    Current price $2,109.45

    6ES5752-0AA52 Siemens

    SIMATIC S5 INTERF.MOD. F. CPU928B "PG MODULE"

  • 6ES5752-0LA12 Siemens
    Original price $0.00 - Original price $915.00
    Original price
    $0.00 - $915.00
    $0.00 - $915.00
    Current price $915.00

    6ES5752-0LA12 Siemens

    SIMATIC S5, Interface module for CPU 945, TTY (20mA)

  • 6ES5752-0LA23 Siemens
    Original price $0.00 - Original price $1,102.50
    Original price
    $0.00 - $1,102.50
    $0.00 - $1,102.50
    Current price $1,102.50

    6ES5752-0LA23 Siemens

    SIMATIC S5, Interface module for CPU 945, V.24/V.28 (RS232C)

  • 6FM1470-4BA20 Siemens
    Original price $0.00 - Original price $2,205.00
    Original price
    $2,205.00
    $0.00 - $2,205.00
    Current price $2,205.00

    6FM1470-4BA20 Siemens

    WF470 Video Display

  • 6FM1725-3BA00 Siemens
    Original price $2,878.00 - Original price $2,934.00
    Original price
    $2,934.00
    $2,878.00 - $2,934.00
    Current price $2,934.00

    6FM1725-3BA00 Siemens

    6FM1 725-3BA00 WF725B POSITIONING MODULE.

  • 70931683 Siemens-Siemens-Never Used Surplus-PLC Department
    Original price $0.00 - Original price $631.73
    Original price
    $631.73
    $0.00 - $631.73
    Current price $631.73

    70931683 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • C79458-L2350-A1 Siemens
    Original price $0.00 - Original price $1,742.50
    Original price
    $1,742.50
    $0.00 - $1,742.50
    Current price $1,742.50

    C79458-L2350-A1 Siemens

    C79458-L2350-A1 VGA CARD FOR SIMATIC IPC.

  • C79458-L2363-A1 Siemens
    Original price $2,772.00 - Original price $4,930.35
    Original price
    $2,772.00 - $4,930.35
    $2,772.00 - $4,930.35
    Current price $2,772.00

    C79458-L2363-A1 Siemens

    C79458-L2363-A1 CP5412-A1 CARD.

  • C79458-L331-B1 Siemens
    Original price $0.00 - Original price $662.50
    Original price
    $662.50
    $0.00 - $662.50
    Current price $662.50

    C79458-L331-B1 Siemens

    C79458-L331-B1 MEMORY MODULE.

  • G26004-A3118-A Siemens
    Original price $0.00 - Original price $5,098.11
    Original price
    $5,098.11
    $0.00 - $5,098.11
    Current price $5,098.11

    G26004-A3118-A Siemens

    G26004-A3118-A IP252MX MODULE.

  • 6FM1470-4BA25 Siemens
    Original price $0.00 - Original price $1,898.75
    Original price
    $1,898.75
    $0.00 - $1,898.75
    Current price $1,898.75

    6FM1470-4BA25 Siemens

    WF470 Video Display module

  • 6FM1470-7AA25 Siemens
    Original price $0.00 - Original price $549.34
    Original price
    $549.34
    $0.00 - $549.34
    Current price $549.34

    6FM1470-7AA25 Siemens

    MEMORY CARD OTP ROM CARD 256K BYTE FOR WF470

  • 6FM1610-2CB00 Siemens
    Original price $0.00 - Original price $1,163.38
    Original price
    $1,163.38
    $0.00 - $1,163.38
    Current price $1,163.38

    6FM1610-2CB00 Siemens

    6FM1 610-2CB00 WF625 POSITIONING MODULE.

  • 6FM1706-3AA00 Siemens
    Original price $0.00 - Original price $1,250.00
    Original price
    $1,250.00
    $0.00 - $1,250.00
    Current price $1,250.00

    6FM1706-3AA00 Siemens

    6FM1 706-3AA00 WF706 POSITIONING AND COUNTER MODULE.

  • 6FM1721-3AA10 Siemens
    Original price $0.00 - Original price $1,984.50
    Original price
    $1,984.50
    $0.00 - $1,984.50
    Current price $1,984.50

    6FM1721-3AA10 Siemens

    6FM1 721-3AA10 WF721 POSITIONING MODULE.

  • LMG-90 Siemens-Siemens-Never Used Surplus-PLC Department
    Original price $0.00 - Original price $824.98
    Original price
    $824.98
    $0.00 - $824.98
    Current price $824.98

    LMG-90 Siemens

    LMG-90 RMP MODULE.

  • 6GK1105-2AB00 Siemens
    Original price $0.00 - Original price $1,447.50
    Original price
    $1,447.50
    $0.00 - $1,447.50
    Current price $1,447.50

    6GK1105-2AB00 Siemens

    SIMATIC NET, OSM TP62 OPTICAL SWITCH MODULE W. 2 FO PORTS 100MBIT/S A. 6 RJ45-PORTS 10/100MBIT/S, REDUNDANT 24V DC SUPPLY, SIGNALLING CONTACT INTEG...

    View full details
  • 6GK1503-2CC00 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    6GK1503-2CC00 Siemens

    PROFIBUS OLM/G11-1300V4.0 optical link module with 1 RS485 and 1 glass FOC interface (2 BFOC- sockets), 1300 Nm shaft Length for large distances wi...

    View full details
  • 6GK1110-1AA00 Siemens
    Original price $0.00 - Original price $2,952.52
    Original price
    $0.00 - $2,952.52
    $0.00 - $2,952.52
    Current price $2,952.52

    6GK1110-1AA00 Siemens

    SIMATIC NET, IE RADIO LINK MODULE (RLM), WIRELESS LAN ACCESS POINT IEEE 802.11B (11MBIT/S, 2.4GHZ) W. CONFIGURING SW ON CD; E-SW, SINGLE LICENSE FO...

    View full details
  • 6GK1102-4AA00 Siemens
    Original price $626.45 - Original price $4,472.70
    Original price
    $626.45 - $4,472.70
    $626.45 - $4,472.70
    Current price $626.45

    6GK1102-4AA00 Siemens

    SIMATIC NET, OLM F. INDUSTRIAL ETHERNET,OPTICAL LINK MODULE WITH 3 ITP PORTS AND 2 FIBER OPTIC PORTS, RED. POWER SUPPLY AND SIGNALLING CONTACT

  • 6GK1102-7AA00 Siemens
    Original price $0.00 - Original price $699.98
    Original price
    $699.98
    $0.00 - $699.98
    Current price $699.98

    6GK1102-7AA00 Siemens

    SIMATIC NET, ELS TP80 ELECTRICAL LEAN SWITCH WITH 8 10/100MBIT/S RJ 45 PORTS FOR CONFIGURING A STAR TOPOGRAPHY NETWORK 24V DC SUPPLY

  • 6GK1415-2BA10 Siemens
    Original price $972.50 - Original price $1,625.00
    Original price
    $972.50 - $1,625.00
    $972.50 - $1,625.00
    Current price $972.50

    6GK1415-2BA10 Siemens

    SIMATIC NET, DP/AS-Interface Link advanced, Gateway PROFIBUS DP/AS-Interface with master profile M3, M4 according to AS-i specification V3.0 for in...

    View full details
  • 6GK5201-3BH00-2BA3 Siemens
    Original price $749.28 - Original price $3,420.00
    Original price
    $749.28 - $3,420.00
    $749.28 - $3,420.00
    Current price $749.28

    6GK5201-3BH00-2BA3 Siemens

    SCALANCE X201-3PIRT managed IE IRT switch, 1x 10/100 Mbit/s RJ45 ports, 3x 100 Mbit/s POF SC RJ ports, Error signaling contact with set button, Red...

    View full details
  • 6GK5208-0BA10-2AA3 Siemens
    Original price $302.85 - Original price $439.97
    Original price
    $302.85 - $439.97
    $302.85 - $439.97
    Current price $302.85

    6GK5208-0BA10-2AA3 Siemens

    Scalance X208, Managed IE Switch, 8 X 10/100MBIT/S RJ45 PORTS, LED DIAGNOSTICS, ERROR SIGNAL CONTACT with SET Button, REDUNDANT POWER SUPPLY, PROFI...

    View full details
  • 6GK1415-2AA01 Siemens
    Original price $0.00 - Original price $358.88
    Original price
    $358.88
    $0.00 - $358.88
    Current price $358.88

    6GK1415-2AA01 Siemens

    SIMATIC NET, DP/AS-INTERFACE LINK 20 E, NETWORK TRANSITION F. PROFIBUS DP/AS-INTERFACE W. MASTER PROFILE M0E/M1E ACC. TO EXTENDED AS-I SPECIFICATIO...

    View full details
  • 6GK1102-5AA00 Siemens
    Original price $301.92 - Original price $443.16
    Original price
    $301.92 - $443.16
    $301.92 - $443.16
    Current price $301.92

    6GK1102-5AA00 Siemens

    SIMATIC NET, ELM F. INDUSTRIAL ETHERNET,ELECTRICAL LINK MODULE WITH 3 ITP PORTS AND 1 AUI PORT REDUNDANT POWER SUPPLY AND SIGNALLING CONTACT

  • 6GK1503-2CB00 Siemens
    Original price $850.88 - Original price $1,245.00
    Original price
    $850.88 - $1,245.00
    $850.88 - $1,245.00
    Current price $850.88

    6GK1503-2CB00 Siemens

    PROFIBUS OLM/G11 V4.0 optical Link module with 1 RS485 and 1 glass fiber-optic cable interface (2 BFOC sockets), with signaling contact and test port

  • 6GK1503-3CA00 Siemens
    Original price $912.50 - Original price $1,197.50
    Original price
    $912.50 - $1,197.50
    $912.50 - $1,197.50
    Current price $912.50

    6GK1503-3CA00 Siemens

    PB OLM/P12 V4.0 OPTICAL LINK Module with 1 RS485 and 2 PLASTIC-FOC-INTERFACE (4 BFOC-SOCKETS), with SIGNAL. CONTACT and MEASURING OUTPUT, Notes For...

    View full details
  • 6GK1901-1BB20-2AE0 Siemens
    Original price $0.00 - Original price $1,906.10
    Original price
    $0.00 - $1,906.10
    $0.00 - $1,906.10
    Current price $1,906.10

    6GK1901-1BB20-2AE0 Siemens

    Industrial Ethernet FastConnect RJ45 plug 90 2x 2, RJ45 plug-in connector (10/100 Mbit/s) with rugged metal enclosure and FC connection system, for...

    View full details
  • 6ES7972-0AA02-0XA0 Siemens
    Original price $995.00 - Original price $2,439.80
    Original price
    $995.00 - $2,439.80
    $995.00 - $2,439.80
    Current price $995.00

    6ES7972-0AA02-0XA0 Siemens

    SIMATIC DP, RS485 repeater For connection of PROFIBUS/MPI bus systems with max. 31 nodes max. baud rate 12 Mbit/s, Degree of protection IP20 Improv...

    View full details
  • 3RK2400-1CT30-0AA3 Siemens
    Original price $562.48 - Original price $586.80
    Original price
    $586.80
    $562.48 - $586.80
    Current price $586.80

    3RK2400-1CT30-0AA3 Siemens

    AS-I COMPACT MODULE K20, IP67, A/B SLAVE (SPEC. 3.0), IP67 DIGITAL, 4DI/4DO, 4 X INPUT FOR SENSOR (MECHAN./2- OR 3-WIRE) PNP, SENSOR SUPPLY FROM U_...

    View full details
  • 6GK1901-1BB20-2AB0 Siemens
    Original price $0.00 - Original price $467.50
    Original price
    $0.00 - $467.50
    $0.00 - $467.50
    Current price $467.50

    6GK1901-1BB20-2AB0 Siemens

    Industrial Ethernet FastConnect RJ45 plug 90 2x 2, RJ45 plug-in connector (10/100 Mbit/s) with rugged metal enclosure and FC connection system, for...

    View full details
  • 6GK1901-1BB10-2AB0 Siemens
    Original price $0.00 - Original price $495.00
    Original price
    $0.00 - $495.00
    $0.00 - $495.00
    Current price $495.00

    6GK1901-1BB10-2AB0 Siemens

    Industrial Ethernet FastConnect RJ45 plug 180 2x 2, RJ45 plug-in connector (10/100 Mbit/s) with rugged metal enclosure and FC connection system, fo...

    View full details
  • 6GK1905-0EA10 Siemens
    Original price $0.00 - Original price $563.75
    Original price
    $0.00 - $563.75
    $0.00 - $563.75
    Current price $563.75

    6GK1905-0EA10 Siemens

    PROFIBUS FC M12 plug PRO M12 plug-in connector with rugged metal enclosure and FC connection system, with axial cable outlet, for use with ET 200 P...

    View full details
  • 6GK1905-0EB10 Siemens
    Original price $0.00 - Original price $612.50
    Original price
    $0.00 - $612.50
    $0.00 - $612.50
    Current price $612.50

    6GK1905-0EB10 Siemens

    PROFIBUS FC M12 Cable connector PRO, M12 plug-in connector with rugged metal enclosure and FC connection system, with axial cable outlet, for use w...

    View full details
  • 6GK1900-0AB00 Siemens
    Original price $343.75 - Original price $445.53
    Original price
    $445.53
    $343.75 - $445.53
    Current price $445.53

    6GK1900-0AB00 Siemens

    C-plug, removable data storage medium for simple device replacement in case of fault, for recording configuration or project engineering and applic...

    View full details
  • 6GK1905-0EA00 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    6GK1905-0EA00 Siemens

    M12 connection plug for ET 200 with axial cable outlet for assembly in the field, Male contact insert, 1 pack=5 units

  • 6GK1500-0EA02 Siemens
    Original price $300.00 - Original price $625.00
    Original price
    $625.00
    $300.00 - $625.00
    Current price $625.00

    6GK1500-0EA02 Siemens

    PB BUS CONNECTOR WITH AXIAL CABLE OUTLET FOR INDUSTRIAL PC, SIMATIC OP, OLM; TRANSMISSION RATE 12 MBIT/S; TERMINATING RESISTOR WITH SEPARATING FUNC...

    View full details
  • 6GK1500-0FC10 Siemens
    Original price $0.00 - Original price $341.00
    Original price
    $0.00 - $341.00
    $0.00 - $341.00
    Current price $341.00

    6GK1500-0FC10 Siemens

    PROFIBUS FC RS 485 plug 180 PROFIBUS connector with FastConnect connection plug and axial cable outlet for Industry PC, SIMATIC OP, OLM, Transfer r...

    View full details
  • 6GK1901-1BB20-2AA0 Siemens
    Original price $0.00 - Original price $409.78
    Original price
    $0.00 - $409.78
    $0.00 - $409.78
    Current price $409.78

    6GK1901-1BB20-2AA0 Siemens

    Industrial Ethernet FastConnect RJ45 plug 90 2x 2, RJ45 plug-in connector (10/100 Mbit/s) with rugged metal enclosure and FC connection system, for...

    View full details
  • 6XV1830-0EH10 Siemens
    Original price $0.00 - Original price $1,125.00
    Original price
    $0.00 - $1,125.00
    $0.00 - $1,125.00
    Current price $1,125.00

    6XV1830-0EH10 Siemens

    PROFIBUS FC Standard Cable GP, bus cable 2-wire, shielded special configuration for quick assembly, Delivery unit: max. 1000 m, Minimum order 20 m ...

    View full details
  • 6GT2803-1BA00 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    6GT2803-1BA00 Siemens

    Simatic RF300 HANDHELD TERMINAL RF350M; RF300 and ISO15693; Basic Unit NID-MERLIN; with INTEGR. RFID-READ-/WRITE Unit and USER Software; Operation ...

    View full details
  • 6GT2813-0CA10 Siemens
    Original price $0.00 - Original price $2,878.20
    Original price
    $0.00 - $2,878.20
    $0.00 - $2,878.20
    Current price $2,878.20

    6GT2813-0CA10 Siemens

    Simatic RF600 Mobile READER RF650M FCC, Basic Unit INCL. RECHARGEABLE, BATTERY INCL. CHARGING UNIT, UHF, ISO 18000-6C, WLAN 802.11 A/B/G/N, MS-WIND...

    View full details