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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.
  • 6SE6430-2AD31-5CA0 Siemens
    Original price $0.00 - Original price $1,483.43
    Original price
    $1,483.43
    $0.00 - $1,483.43
    Current price $1,483.43

    6SE6430-2AD31-5CA0 Siemens

    MICROMASTER 430 WITH BUILT-IN CLASS A FILTER 3AC 380-480 V +10/-10% 47-63 HZ SQUARED TORQUE POWER 15 KW OVERLOAD 110% 60 S, 140% 3 S 245 X 185 X 19...

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  • 6ES7212-1AE31-0XB0 Siemens
    Original price $0.00 - Original price $972.50
    Original price
    $972.50
    $0.00 - $972.50
    Current price $972.50

    6ES7212-1AE31-0XB0 Siemens

    SIMATIC S7-1200, CPU 1212C, compact CPU, DC/DC/DC, onboard I/O: 8 DI 24 V DC; 6 DO 24 V DC; 2 AI 0-10 V DC, Power supply: DC 20.4-28.8V DC, Program...

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  • 6AV2124-0XC02-0AX1 Siemens
    Original price $3,762.73 - Original price $3,762.73
    Original price
    $3,762.73
    $3,762.73 - $3,762.73
    Current price $3,762.73

    6AV2124-0XC02-0AX1 Siemens

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

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  • 6AV6542-0AD15-2AX0 Siemens
    Original price $4,357.50 - Original price $4,357.50
    Original price
    $4,357.50
    $4,357.50 - $4,357.50
    Current price $4,357.50

    6AV6542-0AD15-2AX0 Siemens

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

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  • Original price $5,066.00 - Original price $5,066.00
    Original price
    $5,066.00
    $5,066.00 - $5,066.00
    Current price $5,066.00

    6AV2124-0QC02-0AX1 Siemens

    SIMATIC HMI TP1500 Comfort, Comfort Panel, Touch operation, 15" widescreen TFT display, 16 million colors, PROFINET interface, MPI/PROFIBUS DP inte...

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  • 6GK5204-2BB10-2AA3 Siemens
    Original price $343.75 - Original price $1,947.75
    Original price
    $343.75 - $1,947.75
    $343.75 - $1,947.75
    Current price $343.75

    6GK5204-2BB10-2AA3 Siemens

    Scalance x204-2, managed ie switch, 4 x 10/100mbit/s rj45 ports, 2 x 100mbit/s multimode bfoc, led diagnostics, error signal contact with set butto...

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  • 6EP3436-8SB00-0AY0 Siemens
    Original price $300.00 - Original price $357.47
    Original price
    $300.00 - $357.47
    $300.00 - $357.47
    Current price $300.00

    6EP3436-8SB00-0AY0 Siemens

    SITOP PSU8200 24 V/20 A stabilized power supply input: 400-500 V 3 AC output: 24 V DC/20 A

  • 6SL3210-1KE12-3UB2 Siemens
    Original price $625.00 - Original price $1,787.50
    Original price
    $625.00 - $1,787.50
    $625.00 - $1,787.50
    Current price $625.00

    6SL3210-1KE12-3UB2 Siemens

    SINAMICS G120C RATED POWER 0,75KW WITH 150% OVERLOAD FOR 3 SEC 3AC380-480V +10/-20% 47-63HZ UNFILTERED I/O-INTERFACE: 6DI, 2DO,1AI,1AO SAFE TORQUE ...

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  • 6SL3040-0MA00-0AA1 Siemens
    Original price $300.00 - Original price $3,000.00
    Original price
    $300.00 - $3,000.00
    $300.00 - $3,000.00
    Current price $300.00

    6SL3040-0MA00-0AA1 Siemens

    SINAMICS CONTROL UNIT CU320 WITHOUT COMPACT FLASH CARD

  • 6SN1118-0DH23-0AA1 Siemens
    Original price $1,047.50 - Original price $3,600.00
    Original price
    $1,047.50 - $3,600.00
    $1,047.50 - $3,600.00
    Current price $1,047.50

    6SN1118-0DH23-0AA1 Siemens

    SIMODRIVE 611-D CLOSED-LOOP PLUG-IN PERFORMANCE CONTROL UNIT,2-AXES,FOR DIGITAL DRIVES,FEED+MAIN SPINDLE DRIVES WITH DIRECT MEASURING SYSTEM VOLTAG...

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  • Original price $3,053.66 - Original price $3,053.66
    Original price
    $3,053.66
    $3,053.66 - $3,053.66
    Current price $3,053.66

    6AV2124-0QC02-0AX0 Siemens

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

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  • 6ES7314-5AE03-0AB0 Siemens
    Original price $747.50 - Original price $10,218.00
    Original price
    $747.50 - $10,218.00
    $747.50 - $10,218.00
    Current price $747.50

    6ES7314-5AE03-0AB0 Siemens

    SIMATIC S7-300, CPU 314 IFM COMPACT CPU WITH MPI, 16DI/16DO, 4AI/1AO, 2 X 40 PIN, INTEGRATED 24V DC POWER SUPPLY, 32 KBYTE WORKING MEMORY

  • 6ES7214-1BG40-0XB0 Siemens
    Original price $702.00 - Original price $1,125.00
    Original price
    $702.00 - $1,125.00
    $702.00 - $1,125.00
    Current price $702.00

    6ES7214-1BG40-0XB0 Siemens

    SIMATIC S7-1200, CPU 1214C, compact CPU, AC/DC/relay, onboard I/O: 14 DI 24 V DC; 10 DO relay 2 A; 2 AI 0-10 V DC, Power supply: AC 85-264 V AC at ...

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  • 6ES7211-1AE31-0XB0 Siemens
    Original price $747.50 - Original price $2,321.00
    Original price
    $747.50 - $2,321.00
    $747.50 - $2,321.00
    Current price $747.50

    6ES7211-1AE31-0XB0 Siemens

    SIMATIC S7-1200, CPU 1211C, compact CPU, DC/DC/DC, onboard I/O: 6 DI 24 V DC; 4 DO 24 V DC; 2 AI 0-10 V DC, Power supply: DC 20.4-28.8V DC, Program...

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  • 6ES5100-8MA01 Siemens
    Original price $467.47 - Original price $467.47
    Original price
    $467.47
    $467.47 - $467.47
    Current price $467.47

    6ES5100-8MA01 Siemens

    SIMATIC S5, CPU 100 FOR S5-100U PC W.POWER SUPPLY UNIT 24V/9V DC W/O INSTRUCTION MANUAL

  • 6AV6644-0BA01-2AX1 Siemens
    Original price $5,685.00 - Original price $5,685.00
    Original price
    $5,685.00
    $5,685.00 - $5,685.00
    Current price $5,685.00

    6AV6644-0BA01-2AX1 Siemens

    SIMATIC MP 377 12" Key Multi Panel, Windows CE 5.0 12" color TFT display 12 MB configuration memory configurable from WinCC flexible 2007 New key a...

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  • 6ES7138-4FA04-0AB0 Siemens
    Original price $300.00 - Original price $1,480.13
    Original price
    $300.00 - $1,480.13
    $300.00 - $1,480.13
    Current price $300.00

    6ES7138-4FA04-0AB0 Siemens

    SIMATIC DP, Electronics module f. ET200S, 4/8 F-DI PROFIsafe, 24 V DC, 30 mm overall width, up to Category 4 (EN 954-1)/ SIL3 (IEC61508)/PLE (ISO13...

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  • 6ES7531-7KF00-0AB0 Siemens
    Original price $932.43 - Original price $932.50
    Original price
    $932.50
    $932.43 - $932.50
    Current price $932.50

    6ES7531-7KF00-0AB0 Siemens

    SIMATIC S7-1500, analog input module AI 8xU/I/RTD/TC ST, 16 bit resolution, accuracy 0.3%, 8 channels in groups of 8, 4 channels for RTD measuremen...

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  • 6DL3100-8AC Siemens
    Original price $949.98 - Original price $949.98
    Original price
    $949.98
    $949.98 - $949.98
    Current price $949.98

    6DL3100-8AC Siemens

    ADDFEM (front end module) PROFIBUS device with high-speed I/O functions, redundant, FEF (front end function)

  • 6SN1122-0BA11-0AA1 Siemens
    Original price $875.00 - Original price $3,570.05
    Original price
    $875.00 - $3,570.05
    $875.00 - $3,570.05
    Current price $875.00

    6SN1122-0BA11-0AA1 Siemens

    SIMODRIVE 611-A PLUG-IN CLOSED-LOOP CONTROL UNIT FOR INDUCTION MOTOR DRIVES UNIVERSAL VERSION

  • 3RA6120-1BP32 Siemens
    Original price $0.00 - Original price $568.75
    Original price
    $0.00 - $568.75
    $0.00 - $568.75
    Current price $568.75

    3RA6120-1BP32 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 110...240 V AC/DC 50...60 Hz 0.32...1.25 A IP20 Connection main circuit: screw terminal Connection aux...

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  • 6GK5612-0BA10-2AA3 Siemens
    Original price $1,250.00 - Original price $3,992.61
    Original price
    $1,250.00 - $3,992.61
    $1,250.00 - $3,992.61
    Current price $1,250.00

    6GK5612-0BA10-2AA3 Siemens

    SCALANCE S612 module for protection of devices and components intrinsic safety automation technology and for protection of industrial communication...

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  • 6GK5212-2BB00-2AA3 Siemens
    Original price $2,311.10 - Original price $4,625.70
    Original price
    $2,311.10 - $4,625.70
    $2,311.10 - $4,625.70
    Current price $2,311.10

    6GK5212-2BB00-2AA3 Siemens

    SCALANCE X212-2, managed IE switch, 12x 10/100 Mbit/s RJ45 ports, 2x 100 Mbit/s Multimode BFOC, LED diagnostics, error-signaling contact with set b...

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  • 6SL3120-2TE15-0AA4 Siemens
    Original price $0.00 - Original price $1,299.75
    Original price
    $1,299.75
    $0.00 - $1,299.75
    Current price $1,299.75

    6SL3120-2TE15-0AA4 Siemens

    SINAMICS S120 DOUBLE MOTOR MODULE INPUT: DC 600V OUTPUT: 3AC 400V, 5A/5A FRAME SIZE: BOOKSIZE INTERNAL AIR COOLING OPTIMIZED PULSE SAMPLE AND SUPPO...

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  • 6GK7343-1EX21-0XE0 Siemens
    Original price $300.00 - Original price $2,684.18
    Original price
    $300.00 - $2,684.18
    $300.00 - $2,684.18
    Current price $300.00

    6GK7343-1EX21-0XE0 Siemens

    Communications processor CP 343-1 for connection of SIMATIC S7-300 to Industrial Ethernet over PROFNET IO Controllers, ISO, TCP/IP and UDP, S7 comm...

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  • 6SL3224-0BE22-2UA0 Siemens
    Original price $1,597.50 - Original price $1,959.98
    Original price
    $1,959.98
    $1,597.50 - $1,959.98
    Current price $1,959.98

    6SL3224-0BE22-2UA0 Siemens

    Sinamics G120 POWER Module PM240 WITHOUT FILTER with BULT IN BRAKING CHOPPER 3AC380-480V +10/-10% 47-63HZ OUTPUT HIGH OVERLOAD: 2,2KW FOR 200% 3S,1...

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  • 6FC5303-0AA01-1AA0 Siemens
    Original price $749.98 - Original price $749.98
    Original price
    $749.98
    $749.98 - $749.98
    Current price $749.98

    6FC5303-0AA01-1AA0 Siemens

    TERMINAL MODULE BASIC PN WITHOUT EMERGENCY STOP OVERRIDE WITH SWITCH, PANEL MOUNTING, FOR HT 8 AND HT 2

  • 6ES7158-0AD00-0XA0 Siemens
    Original price $750.00 - Original price $2,236.85
    Original price
    $750.00 - $2,236.85
    $750.00 - $2,236.85
    Current price $750.00

    6ES7158-0AD00-0XA0 Siemens

    SIMATIC DP, DISTRIBUTED I/O DP/DP COUPLER COUPLING MODULE FOR CONNECTING TWO PROFIBUS DP NETWORKS

  • 6ES7545-5DA00-0AB0 Siemens
    Original price $597.50 - Original price $1,625.00
    Original price
    $597.50 - $1,625.00
    $597.50 - $1,625.00
    Current price $597.50

    6ES7545-5DA00-0AB0 Siemens

    Simatic DP, CM PROFIBUS DP FOR ET 200SP CPU Module with PROFIBUS DP INTERF. (9 PIN SUB-D, FEMALE) DP-MASTER FOR 125 DP-SlaveS

  • 6EP4134-3AB00-2AY0 Siemens
    Original price $473.55 - Original price $508.75
    Original price
    $473.55 - $508.75
    $473.55 - $508.75
    Current price $473.55

    6EP4134-3AB00-2AY0 Siemens

    SITOP UPS1600 10A ETHERNET/ PROFINET UNINTERRUPTIBLE POWER SUPPLY WITH ETHERNET/PROFINET INTER- FACE INPUT: 24 V DC OUTPUT: 24 V DC/10 A

  • 6SN1145-1BA01-0DA1 Siemens
    Save up to 78% Save %
    Original price $16,088.80
    Original price $16,088.80 - Original price $16,088.80
    Original price $16,088.80
    $3,539.88 - $21,112.00
    $3,539.88 - $21,112.00
    Current price $3,539.88

    6SN1145-1BA01-0DA1 Siemens

    SIMODRIVE 611 INFEED/REGENERATIVE FEEDBACK MODULE 55/71 KW, STABILIZED, WITH INTERNAL COOLING, MAINS CONTACTOR WITH BREAK CONTACT

  • 6ES7134-4GB52-0AB0 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    6ES7134-4GB52-0AB0 Siemens

    SIMATIC DP, ELECTRONIC MODULE ET200S: 2AI HIGH SPEED I-2WIRE, 0 - 20MA, 4 - 20MA, 15BIT, 15 MM WIDTH, FOR 2-WIRE TRANSDUCER, CYCLE TIME OF THE MOD....

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  • 6ES7407-0DA01-0AA0 Siemens
    Original price $0.00 - Original price $1,172.03
    Original price
    $1,172.03
    $0.00 - $1,172.03
    Current price $1,172.03

    6ES7407-0DA01-0AA0 Siemens

    SIMATIC S7-400, Power supply PS407 4A,120/230 V AC,5 V DC/4 A

  • 3VA6115-5HL31-0AA0 Siemens
    Original price $0.00 - Original price $1,597.50
    Original price
    $0.00 - $1,597.50
    $0.00 - $1,597.50
    Current price $1,597.50

    3VA6115-5HL31-0AA0 Siemens

    circuit breaker 3VA6 UL frame 150 breaking capacity class M 35kA @ 480V 3-pole, line protection ETU320, LI, In=150A overload protection Ir=60A...15...

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  • Original price $300.00 - Original price $1,062.38
    Original price
    $300.00 - $1,062.38
    $300.00 - $1,062.38
    Current price $300.00

    6EP1437-3BA00 Siemens

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

  • 6SL3120-2TE21-0AA4 Siemens
    Original price $1,547.50 - Original price $8,249.93
    Original price
    $1,547.50 - $8,249.93
    $1,547.50 - $8,249.93
    Current price $1,547.50

    6SL3120-2TE21-0AA4 Siemens

    SINAMICS S120 DOUBLE MOTOR MODULE INPUT: DC 600V OUTPUT: 3-PH 400V, 9A/9A FRAME SIZE: BOOKSIZE INTERNAL AIR COOLING OPTIMIZED PULSE SAMPLE AND SUPP...

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  • 6ES7526-1BH00-0AB0 Siemens
    Original price $622.20 - Original price $2,771.96
    Original price
    $622.20 - $2,771.96
    $622.20 - $2,771.96
    Current price $622.20

    6ES7526-1BH00-0AB0 Siemens

    SIMATIC S7-1500, FAILSAFE DIGITAL INPUT MODULE, F-DI 16X24VDC PROFISAFE; 35 MM WIDTH; UP TO PL E (ISO 13849-1)/ SIL3 (IEC 61508)

  • 6DD1607-0CA1 Siemens
    Original price $0.00 - Original price $5,057.50
    Original price
    $5,057.50
    $0.00 - $5,057.50
    Current price $5,057.50

    6DD1607-0CA1 Siemens

    SIMATIC S7-400, EXM 438-1 I/O extension for FM 458 4x analog outputs 16-bit EXM 438-1 not spare part-compatible for EXM438

  • Original price $0.00 - Original price $517.36
    Original price
    $517.36
    $0.00 - $517.36
    Current price $517.36

    6ES7331-7SF00-0AB0 Siemens

    SIMATIC S7, analog input SM 331, isolated, 8 AI thermocouples/4 AI Pt100, for signals from the hazardous area, diagnostics-capable, PTB tested 1 x ...

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  • 6SE6420-2UD27-5CA1 Siemens
    Original price $0.00 - Original price $704.68
    Original price
    $704.68
    $0.00 - $704.68
    Current price $704.68

    6SE6420-2UD27-5CA1 Siemens

    MICROMASTER 420 UNFILTERED 3AC 380-480V +10/-10% 47-63HZ CONSTANT TORQUE POWER 7.5 KW OVERLOAD 150% FOR 60S VARIABLE TORQUE POWER 7.5 KW 245 X 185 ...

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  • Original price $4,930.00 - Original price $6,750.00
    Original price
    $4,930.00 - $6,750.00
    $4,930.00 - $6,750.00
    Current price $4,930.00

    6SL3100-0BE28-0AB0 Siemens

    Sinamics S120 ACTIVE Interface Module FOR 80KW ACTIVE LINE Module INPUT 3AC 380-480V, 50 60HZ

  • 6SE6440-2UD32-2DA1 Siemens
    Original price $1,500.00 - Original price $5,093.12
    Original price
    $1,500.00 - $5,093.12
    $1,500.00 - $5,093.12
    Current price $1,500.00

    6SE6440-2UD32-2DA1 Siemens

    MICROMASTER 440 WITHOUT FILTER 3AC 380-480 V +10/-10% 47-63 HZ CONSTANT TORQUE POWER 22 KW OVERLOAD 150% 60 S, 200% 3 S SQUARED TORQUE POWER 30 KW ...

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  • 6SE6440-2UD27-5CA1 Siemens
    Original price $0.00 - Original price $699.98
    Original price
    $699.98
    $0.00 - $699.98
    Current price $699.98

    6SE6440-2UD27-5CA1 Siemens

    MICROMASTER 440 WITHOUT FILTER 3AC 380-480 V +10/-10% 47-63 HZ CONSTANT TORQUE POWER 7.5 KW OVERLOAD 150% 60 S, 200% 3 S SQUARED TORQUE POWER 11 KW...

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  • 6SL3120-1TE22-4AD0 Siemens
    Original price $3,726.80 - Original price $4,200.00
    Original price
    $4,200.00
    $3,726.80 - $4,200.00
    Current price $4,200.00

    6SL3120-1TE22-4AD0 Siemens

    Product: 6SL3120-1TE22-4AD0 Siemens Product Type: Inverter Drive Power Rating: 3.0 kW Supply Voltage: 400 V AC Frequency Range: 47-63 Hz Output Cu...

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  • 1FL6034-2AF21-1AB1 Siemens
    Original price $344.96 - Original price $1,800.00
    Original price
    $344.96 - $1,800.00
    $344.96 - $1,800.00
    Current price $344.96

    1FL6034-2AF21-1AB1 Siemens

    1FL6034-2AF21-1AB1 Siemens

  • NT31C-ST143-EV3 Siemens
    Original price $0.00 - Original price $2,800.00
    Original price
    $0.00 - $2,800.00
    $0.00 - $2,800.00
    Current price $2,800.00

    NT31C-ST143-EV3 Siemens

    OPERATOR INTERFACE TOUCH PANEL 5.7 INCH DISPLAY, COLOR STN LCD, 320 X 240, 8 COLORS, HOST LINK / NT LINK, RS-232C / RS-422A, 24 VDC, 15 WATT

  • C79459-A1715-B21 Siemens
    Original price $0.00 - Original price $1,840.15
    Original price
    $1,840.15
    $0.00 - $1,840.15
    Current price $1,840.15

    C79459-A1715-B21 Siemens

    BRAND NEW CONDITION, GUARANTEED.

  • C98043-A7001-L2-4 Siemens
    Original price $0.00 - Original price $4,466.00
    Original price
    $4,466.00
    $0.00 - $4,466.00
    Current price $4,466.00

    C98043-A7001-L2-4 Siemens

    BRAND NEW CONDITION, GUARANTEED.