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.
  • 6ES5581-0RA12 Siemens
    $829.60 - $1,617.80
    $829.60 - $1,617.80
    $829.60 - $1,617.80
    $829.60

    6ES5581-0RA12 Siemens

    SIMATIC S5 CP 581 AT SLOT MODULE FOR CP 581 AND CP 581/486

  • 6ES5941-7UA11 Siemens
    $0.00 - $670.00
    $670.00
    $0.00 - $670.00
    $670.00

    6ES5941-7UA11 Siemens

    SIMATIC S5 941 CPU FOR AG S5-115U RAM, 1 K INSTRUCTIONS

  • 6ES5095-8MA02 Siemens
    $0.00 - $1,916.41
    $1,916.41
    $0.00 - $1,916.41
    $1,916.41

    6ES5095-8MA02 Siemens

    6ES5 095-8MA02 S5-95U Central Unit

  • 6ES5921-1AA21 Siemens
    $0.00 - $1,560.43
    $1,560.43
    $0.00 - $1,560.43
    $1,560.43

    6ES5921-1AA21 Siemens

    SIMATIC S5 921 CPU FOR CC 130A,CC 130K

  • 6ES5581-3LA11 Siemens
    $0.00 - $2,450.00
    $2,450.00
    $0.00 - $2,450.00
    $2,450.00

    6ES5581-3LA11 Siemens

    SIMATIC S5, CP 581, CP 581/486 MASS STORAGE MODULE WITH 520 MB HARD DISK

  • 6ES5095-8MA01 Siemens
    $0.00 - $1,249.98
    $1,249.98
    $0.00 - $1,249.98
    $1,249.98

    6ES5095-8MA01 Siemens

    SIMATIC S5, S5-95U COMPACT UNIT

  • 6ES5101-8UU13 Siemens
    $0.00 - $4,860.00
    $4,860.00
    $0.00 - $4,860.00
    $4,860.00

    6ES5101-8UU13 Siemens

    SIMATIC S5, CC 101U CENTRAL CONTROLLER F. 1K STATEMENTS MAINS CONNECTION 115V AC W/O BACKUP BATTERY W/O MANUAL 20 INP.,24V DC, 12 RELAY OUTP.

  • 6ES5090-8MA01 Siemens
    $742.50 - $5,431.50
    $742.50 - $5,431.50
    $742.50 - $5,431.50
    $742.50

    6ES5090-8MA01 Siemens

    SIMATIC S5, Compact unit S5-90U with enclosed battery 10DE 24V, 6 relay outputs MAINS VOLTAGE CONNECTION 115/230 V

  • 6AV4010-1AA00-0AA0 Siemens
    $0.00 - $2,662.00
    $2,662.00
    $0.00 - $2,662.00
    $2,662.00

    6AV4010-1AA00-0AA0 Siemens

    CP526-3 COMMUNICATION PROCESSOR SELF-VENTILATED, W/O MEMORY FOR MONOCHROME MONITORS

  • 6ES5900-0AA12 Siemens
    $0.00 - $4,307.80
    $4,307.80
    $0.00 - $4,307.80
    $4,307.80

    6ES5900-0AA12 Siemens

    SIMATIC S5, 900 CPU WITH POWER SUPPLY DC 24V/5V F.MEMORY SUBMODULE (EPROM) FOR MAX 8K BYTES WITH OPERATOR'S AND DISPLAY PANEL

  • 6ES5944-7UA12 Siemens
    $0.00 - $1,862.61
    $1,862.61
    $0.00 - $1,862.61
    $1,862.61

    6ES5944-7UA12 Siemens

    SIMATIC S5, CPU 944 F. S5-115U PLC RAM 96 KBYTES W. 1 PROGRAMMER PORT

  • 6ES5946-3UA23 Siemens
    $2,045.75 - $3,528.00
    $2,045.75 - $3,528.00
    $2,045.75 - $3,528.00
    $2,045.75

    6ES5946-3UA23 Siemens

    SIMATIC S5, CPU 946 FOR S5-155U PLC

  • 6ES5942-7UA12 Siemens
    $0.00 - $547.25
    $547.25
    $0.00 - $547.25
    $547.25

    6ES5942-7UA12 Siemens

    SIMATIC S5, 942 CPU F. S5-115U PC RAM, 10K BYTES RECEPTACLE F. MAX. 32K BYTES

  • 6ES5900-7AA11 Siemens
    $0.00 - $1,175.00
    $1,175.00
    $0.00 - $1,175.00
    $1,175.00

    6ES5900-7AA11 Siemens

    S5 900 CPU Processor Module for S5-110, with 1 x Slot for 910 Memory Submodule

  • 6ES5102-8MA01 Siemens
    $0.00 - $876.40
    $876.40
    $0.00 - $876.40
    $876.40

    6ES5102-8MA01 Siemens

    SIMATIC S5, CPU 102 F.S5-100U PC WITH POWER SUPPLY UNIT

  • 6ES5103-8MA01 Siemens
    $0.00 - $1,755.50
    $1,755.50
    $0.00 - $1,755.50
    $1,755.50

    6ES5103-8MA01 Siemens

    SIMATIC S5, CPU 103 CENTR.PROC.UNIT F.S5-100U PC WITH POWER SUPPLY UNIT 24V/9V DC WITHOUT MANUAL

  • 6ES5928-3UA12 Siemens
    $470.25 - $4,253.40
    $470.25 - $4,253.40
    $470.25 - $4,253.40
    $470.25

    6ES5928-3UA12 Siemens

    SIMATIC S5, CPU 928 CENTRAL CONTROLLER MODULE F. S5-135U/155U PLC

  • 6ES5100-8MA02 Siemens
    $0.00 - $1,092.15
    $1,092.15
    $0.00 - $1,092.15
    $1,092.15

    6ES5100-8MA02 Siemens

    SIMATIC S5, CPU 100 F.S5-100U PC W.POWER SUPPLY UNIT 24V/9V DC

  • 6ES5945-7UA22 Siemens
    $0.00 - $2,552.00
    $2,552.00
    $0.00 - $2,552.00
    $2,552.00

    6ES5945-7UA22 Siemens

    SIMATIC S5 CPU 945 FOR S5-115U, 384 KBYTE

  • 6ES5101-8RW21 Siemens
    $756.00 - $2,819.66
    $756.00 - $2,819.66
    $756.00 - $2,819.66
    $756.00

    6ES5101-8RW21 Siemens

    6ES5 101-8RW21 ZG101R COMPACT CONTROLLER.

  • 6AV6645-0DE01-0AX1 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6AV6645-0DE01-0AX1 Siemens

    SIMATIC MOBILE PANEL 277 IWLAN V2, WITH HANDWHEEL, KEY SWITCH AND TWO ILLUMINATED PUSHBUTTON, CONFIGURABLE W. WINCC FLEXIBLE STANDARD VERSION 2008 ...

    View full details
  • 6AV6644-0AC01-2AX1 Siemens
    $4,899.15 - $88,223.22
    $4,899.15 - $88,223.22
    $4,899.15 - $88,223.22
    $4,899.15

    6AV6644-0AC01-2AX1 Siemens

    SIMATIC MP 377 19" Touch Multi Panel, Windows CE 5.0 19" color TFT display 12 MB configuration memory configurable from WinCC flexible 2007

  • $0.00 - $3,550.79
    $3,550.79
    $0.00 - $3,550.79
    $3,550.79

    6AV7892-0BG40-0BE0 Siemens

    SIMATIC HMI IPC677C (Panel PC), 2x10/100/1000 Mbit/s Ethernet; 4x USB V2.0, 1x serial (COM1); Watchdog, temperature and Fan monitoring; RAID contro...

    View full details
  • 6AV6644-0AB01-2AX0 Siemens
    $4,337.78 - $19,853.40
    $4,337.78 - $19,853.40
    $4,337.78 - $19,853.40
    $4,337.78

    6AV6644-0AB01-2AX0 Siemens

    SIMATIC MP 377 15" Touch Multi Panel, Windows CE 5.0 15" color TFT display 12 MB configuration memory configurable from WinCC flexible 2007 Displa...

    View full details
  • 6AV2124-0XC02-0AX0 Siemens
    $16,675.00 - $18,633.95
    $16,675.00 - $18,633.95
    $16,675.00 - $18,633.95
    $16,675.00

    6AV2124-0XC02-0AX0 Siemens

    SIMATIC HMI TP2200 Comfort, Comfort Panel, touch operation, 22" widescreen TFT display, 16 million colors, PROFINET interface, MPI/PROFIBUS DP inte...

    View full details
  • 6AV6545-0DB10-0AX0 Siemens
    $4,612.50 - $25,346.00
    $4,612.50 - $25,346.00
    $4,612.50 - $25,346.00
    $4,612.50

    6AV6545-0DB10-0AX0 Siemens

    SIMATIC HMI TP1900 Comfort, Comfort Panel, Touch operation, 19" widescreen TFT display, 16 million colors, PROFINET interface, MPI/PROFIBUS DP inte...

    View full details
  • 6AV6644-8AB20-0AA1 Siemens
    $0.00 - $12,657.78
    $12,657.78
    $0.00 - $12,657.78
    $12,657.78

    6AV6644-8AB20-0AA1 Siemens

    SIMATIC MP 377 15" Touch multi panel, Windows CE 5.0, 15" color TFT display, high brightness, 12 MB project memory, configurable from WinCC flexibl...

    View full details
  • 6AV2124-0UC02-0AX0 Siemens
    $6,435.00 - $15,063.54
    $6,435.00 - $15,063.54
    $6,435.00 - $15,063.54
    $6,435.00

    6AV2124-0UC02-0AX0 Siemens

    SIMATIC HMI TP1900 COMFORT, COMFORT PANEL, TOUCH OPERATION, 19" WIDESCREEN-TFT-DISPLAY, 16 MIL. COLORS, PROFINET INTERFACE, MPI/PROFIBUS DP INTERFA...

    View full details
  • 6AV6645-0BE02-0AX0 Siemens
    $1,380.00 - $7,498.50
    $1,380.00 - $7,498.50
    $1,380.00 - $7,498.50
    $1,380.00

    6AV6645-0BE02-0AX0 Siemens

    SIMATIC Mobile Panel 277 10" with integrated acknowledgment button, stop button and touch, configurable with WinCC flexible Standard Version 2008 o...

    View full details
  • 6AV6644-2AB01-2AX0 Siemens
    $7,048.50 - $14,296.50
    $7,048.50 - $14,296.50
    $7,048.50 - $14,296.50
    $7,048.50

    6AV6644-2AB01-2AX0 Siemens

    SIMATIC MP 377 pro 15" Touch multi panel, Windows CE 5.0 15" color TFT display 12 MB configuration memory configurable from WinCC flexible 2007

  • $1,935.48 - $8,565.00
    $1,935.48 - $8,565.00
    $1,935.48 - $8,565.00
    $1,935.48

    6AV6644-0AA01-2AX0 Siemens

    SIMATIC MP 377 12" Touch Multi Panel, Windows CE 5.0 12" color TFT display 12 MB configuration memory configurable from WinCC flexible 2007

  • 6AV6645-0GC01-0AX1 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6AV6645-0GC01-0AX1 Siemens

    SIMATIC Mobile Panel 277F IWLAN V2 (USA), with integrated acknowledgment button, emergency stop button, handwheel key-operated switch and two illum...

    View full details
  • 6AV2124-1QC02-0AX0 Siemens
    $0.00 - $5,066.00
    $5,066.00
    $0.00 - $5,066.00
    $5,066.00

    6AV2124-1QC02-0AX0 Siemens

    SIMATIC HMI KP1500 COMFORT, COMFORT PANEL, KEY OPERATION, 15" WIDESCREEN-TFT-DISPLAY, 16 MIL. COLORS, PROFINET INTERFACE, MPI/PROFIBUS DP INTERFACE...

    View full details
  • 6AV6545-4BB16-0CX0 Siemens
    $0.00 - $2,840.00
    $2,840.00
    $0.00 - $2,840.00
    $2,840.00

    6AV6545-4BB16-0CX0 Siemens

    SIMATIC MOBILE PANEL 170 WITH INTEGRATED ENABLING BUTTON AND EMERGENCY-OFF BUTTON, CONFIGURABLE W. PROTOOL/LITE VERSION V6.0+SP2 AND HIGHER

  • 6AV6542-0DA10-0AX0 Siemens
    $0.00 - $1,833.33
    $1,833.33
    $0.00 - $1,833.33
    $1,833.33

    6AV6542-0DA10-0AX0 Siemens

    SIMATIC OP 270 6" Operator panel 5.7" STN color display 2 MB configuration memory, configurable with ProTool From Version V6.0

  • 6AV6643-0CD01-1AX2 Siemens
    $0.00 - $1,636.45
    $1,636.45
    $0.00 - $1,636.45
    $1,636.45

    6AV6643-0CD01-1AX2 Siemens

    SIMATIC MP 277 10" Touch Multi Panel with retentive memory 10.4" TFT display 6 MB configuration memory configurable with WinCC flexible 2008 Standa...

    View full details
  • 6AV6643-0ED01-2AX0 Siemens
    $0.00 - $9,658.94
    $9,658.94
    $0.00 - $9,658.94
    $9,658.94

    6AV6643-0ED01-2AX0 Siemens

    SIMATIC MP 277 10" TOUCH STAINLESS STEEL FRONT, RETENTIV DISPLAY COVERED BY MEMBRANE, PROT. CL. FRONT IP66K, EX 2/22 10.4" TFT DISPLAY, CONFIGURABL...

    View full details
  • 6AV2124-0QC13-0AX0 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6AV2124-0QC13-0AX0 Siemens

    SIMATIC HMI TP1500 COMFORT OUTDOOR, COMFORT PANEL, TOUCH OPERATION, 15" WIDESCREEN-TFT-DISPLAY, 16 MIL. COLORS, PROFINET INTERFACE, MPI/PROFIBUS DP...

    View full details
  • 6AV6545-0CC10-0AX0 Siemens
    $2,656.00 - $9,000.00
    $2,656.00 - $9,000.00
    $2,656.00 - $9,000.00
    $2,656.00

    6AV6545-0CC10-0AX0 Siemens

    SIMATIC Panel PC 677B 2x10/100/1000 Mbit/s Ethernet; 4x USB V2.0, 1x serial (COM1); 15" Touch; 1024x 768 with front-side USB-Schnittstelle 110/230 ...

    View full details
  • 6AV6643-0CB01-1AX5 Siemens
    Sold out
    $0.00 - $0.00
    $0.00
    $0.00 - $0.00
    $0.00

    6AV6643-0CB01-1AX5 Siemens

    SIMATIC MP 277 8" TOUCH MULTI PANEL W. SMALL FRAME 7.5" TFT DISPLAY 6 MB CONFIGURING MEMORY, CONFIGURABLE WITH WINCC FLEXIBLE 2005 STANDARD SP1

  • 6AV6647-0AG11-3AX0 Siemens
    $0.00 - $5,596.20
    $5,596.20
    $0.00 - $5,596.20
    $5,596.20

    6AV6647-0AG11-3AX0 Siemens

    SIMATIC HMI TP1500 BASIC COLOR PN, BASIC PANEL, TOUCH OPERATION, 15" TFT DISPLAY, 256 COLORS, PROFINET INTERFACE, CONFIGURATION FROM WINCC FLEXIBLE...

    View full details
  • 6AV6643-0BA01-1AX0 Siemens
    $1,373.73 - $14,521.55
    $1,373.73 - $14,521.55
    $1,373.73 - $14,521.55
    $1,373.73

    6AV6643-0BA01-1AX0 Siemens

    SIMATIC OP 277 6" operator panel 5.7" TFT display 4 MB configuration memory, configurable with WinCC flexible 2005 Standard SP1

  • 6AV6542-0CC10-0AX0 Siemens
    $1,824.98 - $9,748.50
    $1,824.98 - $9,748.50
    $1,824.98 - $9,748.50
    $1,824.98

    6AV6542-0CC10-0AX0 Siemens

    SIMATIC Mobile Panel 277F IWLAN (RFID) (USA), with integrated acknowledgment button, emergency stop button, handwheel key-operated switch and two i...

    View full details
  • 6AV6643-0DB01-1AX1 Siemens
    $0.00 - $6,494.75
    $6,494.75
    $0.00 - $6,494.75
    $6,494.75

    6AV6643-0DB01-1AX1 Siemens

    SIMATIC MP 277 8" Key Multi Panel with retentive memory 7.5" TFT display, 6 MB configuration memory, configurable with WinCC flexible 2005 Standard...

    View full details
  • 6AV6643-0DB01-1AX0 Siemens
    $0.00 - $1,959.98
    $1,959.98
    $0.00 - $1,959.98
    $1,959.98

    6AV6643-0DB01-1AX0 Siemens

    SIMATIC MP 277 8" KEY MULTIPANEL, 7,5" TFT DISPLAY, 6 MB USER MEMORY, CONFIG. WITH WINCC FLEXIBLE 2005 STANDARD SP1

  • 6AV6645-0CC01-0AX0 Siemens
    $3,420.00 - $4,800.00
    $3,420.00 - $4,800.00
    $3,420.00 - $4,800.00
    $3,420.00

    6AV6645-0CC01-0AX0 Siemens

    SIMATIC Mobile Panel 277 with integrated acknowledgment button, stop button, handwheel, D key-operated switch and two illuminated pushbuttons, conf...

    View full details
  • 6AV6545-0AG10-0AX0 Siemens-Siemens-Never Used Surplus-PLC Department
    $2,806.20 - $8,812.50
    $2,806.20 - $8,812.50
    $2,806.20 - $8,812.50
    $2,806.20

    6AV6545-0AG10-0AX0 Siemens

    SIMATIC MP 270B Touch Multi Panel 10.4" TFT display 4 MB configuration memory, configurable with ProTool From Version V6.0

  • 6AV2124-0UC02-0AX1 Siemens
    $9,435.72 - $9,747.00
    $9,435.72 - $9,747.00
    $9,435.72 - $9,747.00
    $9,435.72

    6AV2124-0UC02-0AX1 Siemens

    SIMATIC HMI TP1900 Comfort, Comfort Panel, Touch operation, 19" widescreen TFT display, 16 million colors, PROFINET interface, MPI/PROFIBUS DP inte...

    View full details