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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.
  • 6EP1436-2BA10 Siemens
    Original price $525.94 - Original price $735.08
    Original price
    $525.94 - $735.08
    $525.94 - $735.08
    Current price $525.94

    6EP1436-2BA10 Siemens

    SITOP PSU300S 20 A STABILIZED POWER SUPPLY INPUT: 400-500 V 3 AC OUTPUT: 24 V DC/20 A

  • 6AV6642-0DC01-1AX1 Siemens
    Original price $1,687.50 - Original price $5,250.00
    Original price
    $1,687.50 - $5,250.00
    $1,687.50 - $5,250.00
    Current price $1,687.50

    6AV6642-0DC01-1AX1 Siemens

    SIMATIC OP 177B 6" DP Blue mode STN display Touch and Key MPI/PROFIBUS DP protocol RS 485/RS 422/USB interface Printer interface Slot for MMC confi...

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  • 6EP1437-2BA20 Siemens
    Original price $290.62 - Original price $1,605.00
    Original price
    $290.62 - $1,605.00
    $290.62 - $1,605.00
    Current price $290.62

    6EP1437-2BA20 Siemens

    SITOP PSU300S 40A STABILIZED POWER SUPPLY INPUT: 400-500 V 3AC OUTPUT: 24 V DC/40 A

  • 6AV6643-0DD01-1AX1 Siemens
    Original price $625.00 - Original price $1,935.50
    Original price
    $625.00 - $1,935.50
    $625.00 - $1,935.50
    Current price $625.00

    6AV6643-0DD01-1AX1 Siemens

    SIMATIC MP 277 10" Key Multi Panel with retentive memory 10.4" TFT display 6 MB configuration memory, configurable with WinCC flexible 2005 Standar...

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  • 6AV6647-0AA11-3AX0 Siemens
    Original price $0.00 - Original price $2,809.84
    Original price
    $2,809.84
    $0.00 - $2,809.84
    Current price $2,809.84

    6AV6647-0AA11-3AX0 Siemens

    SIMATIC HMI KTP400 BASIC MONO PN, BASIC PANEL, KEY AND TOUCH OPERATION, 4" STN DISPLAY, 4 GRAY SCALES, PROFINET INTERFACE, CONFIGURATION FROM WINCC...

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  • 6AV6647-0AB11-3AX0 Siemens
    Original price $1,675.00 - Original price $3,204.65
    Original price
    $3,204.65
    $1,675.00 - $3,204.65
    Current price $3,204.65

    6AV6647-0AB11-3AX0 Siemens

    SIMATIC HMI KTP600 BASIC MONO PN, BASIC PANEL, KEY AND TOUCH OPERATION, 6" STN DISPLAY, 4 GRAY SCALE, PROFINET INTERFACE, CONFIGURATION FROM WINCC ...

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  • 6AV6648-0BC11-3AX0 Siemens
    Original price $1,730.48 - Original price $2,381.35
    Original price
    $1,730.48 - $2,381.35
    $1,730.48 - $2,381.35
    Current price $1,730.48

    6AV6648-0BC11-3AX0 Siemens

    SIMATIC HMI SMART 700 IE, SMART Panel, Touch operation, 7" widescreen TFT display, 65536 colors, RS422/485 interface, Ethernet (RJ45) interface, wi...

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  • 6DD1642-0BC0 Siemens
    Original price $1,312.50 - Original price $1,957.55
    Original price
    $1,312.50 - $1,957.55
    $1,312.50 - $1,957.55
    Current price $1,312.50

    6DD1642-0BC0 Siemens

    SIMADYN D ANALOG OUTPUT MODULE EA12 8AO

  • 6DD1681-0AG2 Siemens
    Original price $1,551.30 - Original price $2,519.10
    Original price
    $1,551.30 - $2,519.10
    $1,551.30 - $2,519.10
    Current price $1,551.30

    6DD1681-0AG2 Siemens

    SIMATIC TDC, Binary output SB70 8 BO, DC/AC max. 120 V, LED indicators Electrical isolation

  • 6DD1681-0CA2 Siemens
    Original price $674.98 - Original price $2,700.00
    Original price
    $674.98 - $2,700.00
    $674.98 - $2,700.00
    Current price $674.98

    6DD1681-0CA2 Siemens

    Control system SIMADYN D SITOR-interface SE20.2, mounted directly for PG16, PG26, PT20G

  • 6DD2920-0AL0 Siemens
    Original price $0.00 - Original price $5,407.50
    Original price
    $5,407.50
    $0.00 - $5,407.50
    Current price $5,407.50

    6DD2920-0AL0 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • 6ES5242-1AA13 Siemens
    Original price $622.50 - Original price $13,980.00
    Original price
    $622.50 - $13,980.00
    $622.50 - $13,980.00
    Current price $622.50

    6ES5242-1AA13 Siemens

    SIMATIC S5 IP 242 COUNTER MODULE COMPACT VERSION

  • 6ES5420-4UA13 Siemens
    Original price $467.50 - Original price $638.80
    Original price
    $467.50 - $638.80
    $467.50 - $638.80
    Current price $467.50

    6ES5420-4UA13 Siemens

    SIMATIC S5 420 DIGITAL INPUT MODULE NON-FLOATING, COMPACT VERSION U 32 INPUTS, 24V DC

  • 6ES5430-4UA13 Siemens
    Original price $346.72 - Original price $357.47
    Original price
    $346.72 - $357.47
    $346.72 - $357.47
    Current price $346.72

    6ES5430-4UA13 Siemens

    SIMATIC S5 430 DIGITAL INPUT MODULE FLOATING, COMPACT VERSION U, 32 INPUTS, 24 V DC

  • 6ES5451-4UA14 Siemens
    Original price $343.75 - Original price $481.25
    Original price
    $343.75 - $481.25
    $343.75 - $481.25
    Current price $343.75

    6ES5451-4UA14 Siemens

    SIMATIC S5,Digitaloutput 451-4 Isolated Compact design 32 ouputs 24 V DC/0.5 A

  • 6ES5454-7LA12 Siemens
    Original price $300.00 - Original price $805.10
    Original price
    $300.00 - $805.10
    $300.00 - $805.10
    Current price $300.00

    6ES5454-7LA12 Siemens

    SIMATIC S5, Digital output 454 Isolated for S5-115U/F 16 x Outputs 24 V DC; 2A

  • 6ES5466-4UA11 Siemens
    Original price $549.97 - Original price $5,906.24
    Original price
    $549.97 - $5,906.24
    $549.97 - $5,906.24
    Current price $549.97

    6ES5466-4UA11 Siemens

    SIMATIC S5, ANALOG INPUT 466 ISOLATED FOR S5-115U/H/F-135U-155U/H 8/16 INPUTS

  • 6ES5470-4UB12 Siemens
    Original price $350.60 - Original price $1,347.50
    Original price
    $350.60 - $1,347.50
    $350.60 - $1,347.50
    Current price $350.60

    6ES5470-4UB12 Siemens

    SIMATIC S5 470 ANALOG OUTPUT MODULE FLOATING, COMPACT VERSION U 8 OUTPUTS +-10V

  • 6ES5470-7LA12 Siemens
    Original price $481.25 - Original price $1,700.83
    Original price
    $481.25 - $1,700.83
    $481.25 - $1,700.83
    Current price $481.25

    6ES5470-7LA12 Siemens

    SIMATIC S5, 470 ANALOG OUTPUT FLOATING, F. S5-115U/F PLC 8 OUTPUTS, +- 10V, 0 TO 20MA

  • 3RK1301-1AB00-0AA2 Siemens
    Original price $547.50 - Original price $867.48
    Original price
    $547.50 - $867.48
    $547.50 - $867.48
    Current price $547.50

    3RK1301-1AB00-0AA2 Siemens

    DS1-X FOR ET 200S ELECTROMECHANICS LINE STARTER EXPANDABLE ADJUSTABLE RANGE 1.1...1.6A AC-3, 0.55 KW/400V FOR BRAKE CONTROL MODULE

  • 3RV1021-0GA15 Siemens
    Original price $0.00 - Original price $645.00
    Original price
    $645.00
    $0.00 - $645.00
    Current price $645.00

    3RV1021-0GA15 Siemens

    Circuit breaker size S0 for motor protection CLASS 10 A-release 0.45...0.63 A Short-circuit release 8.2 A Screw terminal Standard switching capacit...

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  • 3RV1021-1EA10 Siemens
    Original price $523.58 - Original price $727.50
    Original price
    $523.58 - $727.50
    $523.58 - $727.50
    Current price $523.58

    3RV1021-1EA10 Siemens

    Circuit breaker size S0 for motor protection CLASS 10 A-release 2.8...4 A Short-circuit release 52 A Screw terminal Standard switching capacity !!!...

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  • 3RV1021-1EA15 Siemens
    Original price $592.95 - Original price $662.50
    Original price
    $592.95 - $662.50
    $592.95 - $662.50
    Current price $592.95

    3RV1021-1EA15 Siemens

    Circuit breaker size S0 for motor protection CLASS 10 A-release 2.8...4 A Short-circuit release 52 A Screw terminal Standard switching capacity wit...

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  • 3RV1031-4GA10 Siemens
    Original price $302.50 - Original price $343.75
    Original price
    $302.50 - $343.75
    $302.50 - $343.75
    Current price $302.50

    3RV1031-4GA10 Siemens

    Circuit breaker size S2 for motor protection, CLASS 10 A-release 36...45 A N-release 585 A Screw terminal Standard switching capacity