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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.
  • 4EP4000-6US00 Siemens
    Original price $0.00 - Original price $532.76
    Original price
    $532.76
    $0.00 - $532.76
    Current price $532.76

    4EP4000-6US00 Siemens

    MAINS CHOKE F.FU; PHASES:3; UN1(V):480; ITHMAX 1(A) / F1(HZ):125 /60; I LN (A):112,5; UK(%):2; LN(MH):0,113; TA/ISOKL:40 /B; IP00; TYPE OF TERMINAL...

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  • 3RT1055-6NF36 Siemens
    Original price $550.00 - Original price $1,875.00
    Original price
    $550.00 - $1,875.00
    $550.00 - $1,875.00
    Current price $550.00

    3RT1055-6NF36 Siemens

    Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 96-127 V UC Auxiliary contacts 2 NO + 2 NC 3-pole, Size S6 Busbar connectio...

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  • 6SE3012-0BA00 Siemens
    Original price $0.00 - Original price $1,185.00
    Original price
    $1,185.00
    $0.00 - $1,185.00
    Current price $1,185.00

    6SE3012-0BA00 Siemens

    SIMOVERT P MICRO MASTER SINGLE-PH. 230V 50/60HZ, MM37 RATED OUTPUT 370W

  • 6GK1503-2CA01 Siemens
    Original price $2,225.12 - Original price $2,252.70
    Original price
    $2,252.70
    $2,225.12 - $2,252.70
    Current price $2,252.70

    6GK1503-2CA01 Siemens

    PB OLM/P11 V4.1 OPTICAL LINK MODULS W/ 1 RS485 and 1 PLASTIC-FO-INTERFACE (2 BFOC SOCKETS), with SIGNAL. CONTACT and MEASURING OUTPUT

  • 6SC6100-0GB11 Siemens
    Original price $494.89 - Original price $495.00
    Original price
    $495.00
    $494.89 - $495.00
    Current price $495.00

    6SC6100-0GB11 Siemens

    SIMODRIVE 610/210 FDD APCB power supply and voltage limitation

  • 6ES5701-1LA12 Siemens
    Original price $625.00 - Original price $677.23
    Original price
    $625.00 - $677.23
    $625.00 - $677.23
    Current price $625.00

    6ES5701-1LA12 Siemens

    SIMATIC S5 ER 701-1 MOUNTING RACK F. S5-115U/F EXPANSION UNITS W. 9 FREE MODULE SLOTS F. CENTRALIZED CONFIGURATION

  • 6EP1933-2EC51 Siemens
    Original price $300.00 - Original price $357.47
    Original price
    $300.00 - $357.47
    $300.00 - $357.47
    Current price $300.00

    6EP1933-2EC51 Siemens

    SITOP UPS500S SERVICE-FREE UNINTERRUPTIBLE POWER SUPPLY WITH USB-INTERFACE BASIC UNIT 5 KWS INPUT: 24 V DC OUTPUT: 24 V/15 A DC DEGREE OF PROTECTIO...

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  • 3RV1042-4LB10 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $549.97
    $0.00 - $549.97
    Current price $549.97

    3RV1042-4LB10 Siemens

    Circuit breaker size S3 A-release 70...90 A N-release 1170 A Motor protection up to 100 kA,Class 20 Screw terminal increased switching capacity

  • 3VA9373-0JK13 Siemens
    Original price $0.00 - Original price $1,247.50
    Original price
    $0.00 - $1,247.50
    $0.00 - $1,247.50
    Current price $1,247.50

    3VA9373-0JK13 Siemens

    WIRE CONNECTOR CU WITH CONTROL WIRE TAP 3 PCS. ACCESSORY FOR: 3VA5/6 400/600

  • 6GK1143-0AB01 Siemens
    Original price $522.50 - Original price $5,402.87
    Original price
    $522.50 - $5,402.87
    $522.50 - $5,402.87
    Current price $522.50

    6GK1143-0AB01 Siemens

    SINEC H1 CP143 TF INTERF.MODULE SINEC COMMUNICATIONS PROCESSOR F. CONNECTING SIMATIC S5 PLC TO ETHERNET WITH AP/TF COMM. PROTOCOL W. 15V MODULE

  • 3NP1163-1DA10 Siemens
    Original price $0.00 - Original price $4,068.73
    Original price
    $4,068.73
    $0.00 - $4,068.73
    Current price $4,068.73

    3NP1163-1DA10 Siemens

    SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for assembly and installation on mounting plate, flat terminal, cover level 70 mm

  • 6EP1457-3BA00 Siemens
    Original price $302.50 - Original price $7,465.50
    Original price
    $302.50 - $7,465.50
    $302.50 - $7,465.50
    Current price $302.50

    6EP1457-3BA00 Siemens

    SITOP PSU300M 48 V/20 A STABILIZED POWER SUPPLY INPUT: 400-500 V 3 AC OUTPUT: 48 V DC/20 A

  • 6EP1931-2FC42 Siemens
    Original price $0.00 - Original price $1,620.00
    Original price
    $1,620.00
    $0.00 - $1,620.00
    Current price $1,620.00

    6EP1931-2FC42 Siemens

    SITOP DC UPS MODULE 24 V/40 A UNINTERRUPTIBLE POWER SUPPLY WITH USB INTERFACE INPUT: 24 V DC/42.6 A OUTPUT: 24 V DC/40 A

  • 3VA9267-0HA20 Siemens
    Original price $0.00 - Original price $833.15
    Original price
    $0.00 - $833.15
    $0.00 - $833.15
    Current price $833.15

    3VA9267-0HA20 Siemens

    motor operator 110-230V AC/110-250V DC accessory for: 3VA2 100/160/250

  • 3RT1055-6AP36 Siemens
    Original price $0.00 - Original price $312.79
    Original price
    $312.79
    $0.00 - $312.79
    Current price $312.79

    3RT1055-6AP36 Siemens

    Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC operation 220-240 V UC Auxiliary contacts 2 NO + 2 NC 3-pole, Size S6 Busbar connecti...

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  • 3RT1046-1BB44 Siemens
    Original price $330.00 - Original price $1,304.75
    Original price
    $1,304.75
    $330.00 - $1,304.75
    Current price $1,304.75

    3RT1046-1BB44 Siemens

    Power contactor, AC-3 95 A, 45 kW / 400 V 24 V DC, 2 NO + 2 NC 3-pole, Size S3 Screw terminal !!! Phased-out product !!! Successor is SIRIUS 3RT2

  • 3VA9977-0UA10 Siemens
    Original price $747.50 - Original price $2,192.75
    Original price
    $747.50 - $2,192.75
    $747.50 - $2,192.75
    Current price $747.50

    3VA9977-0UA10 Siemens

    external function box EFB300 incl. connecting cable 1.5m 3VA-EFB300 accessory for: 3VA6

  • 6XV1440-4BN10 Siemens
    Original price $0.00 - Original price $494.97
    Original price
    $494.97
    $0.00 - $494.97
    Current price $494.97

    6XV1440-4BN10 Siemens

    CONNECTING CABLE PN FOR Mobile PanelS (PROFINET), LENGTH: 10 M

  • 8US1213-4AH00 Siemens
    Original price $300.00 - Original price $1,479.33
    Original price
    $300.00 - $1,479.33
    $300.00 - $1,479.33
    Current price $300.00

    8US1213-4AH00 Siemens

    busbar adapter 60 mm SYS. UL 508 Busbar system 60 mm Bar thickness: TT profile UL rating 240-600V/540A Can be used in spring circuits for 3VL circu...

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  • 3RV1042-4KA10 Siemens
    Original price $1,872.05 - Original price $2,227.50
    Original price
    $1,872.05 - $2,227.50
    $1,872.05 - $2,227.50
    Current price $1,872.05

    3RV1042-4KA10 Siemens

    Circuit breaker size S3 Motor protection up to 100 kA,Class 10 A-release 57...75 A Short-circuit release 975 A Screw terminal Increased switching c...

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  • 6FX1121-4BA01 Siemens
    Original price $445.39 - Original price $822.50
    Original price
    $822.50
    $445.39 - $822.50
    Current price $822.50

    6FX1121-4BA01 Siemens

    SINUMERIK 800 Servo interface 20 mm (SPC)

  • 6GK1503-2CA00 Siemens
    Original price $1,020.00 - Original price $1,745.00
    Original price
    $1,020.00 - $1,745.00
    $1,020.00 - $1,745.00
    Current price $1,020.00

    6GK1503-2CA00 Siemens

    PB OLM/P11 V4.0 OPTICAL LINK Module with 1 RS485 and 1 PLASTIC-FOC-INTERFACE (2 BFOC-SOCKETS), with SIGNAL. CONTACT and MEASURING OUTPUT, Notes For...

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  • 6EP1437-3BA10 Siemens
    Original price $300.00 - Original price $874.98
    Original price
    $300.00 - $874.98
    $300.00 - $874.98
    Current price $300.00

    6EP1437-3BA10 Siemens

    SITOP PSU8200 24 V/40 A STABILIZED POWER SUPPLY INPUT: 400-500 V 3 AC OUTPUT: 24 V DC/40 A

  • 6ES5951-7NB13 Siemens
    Original price $617.50 - Original price $2,411.20
    Original price
    $617.50 - $2,411.20
    $617.50 - $2,411.20
    Current price $617.50

    6ES5951-7NB13 Siemens

    SIMATIC S5 951 POWER SUPPLY UNIT F. S5-115U/H PLC W/O BACKUP BATTERY 24V DC; 5V DC, 3A

  • 6ES5373-1AA61 Siemens
    Original price $288.75 - Original price $492.25
    Original price
    $288.75 - $492.25
    $288.75 - $492.25
    Current price $288.75

    6ES5373-1AA61 Siemens

    SIMATIC S5, Memory module 373 CMOS-EPROM, 64 KB

  • 3RV1042-4JA10 Siemens
    Original price $970.00 - Original price $999.98
    Original price
    $999.98
    $970.00 - $999.98
    Current price $999.98

    3RV1042-4JA10 Siemens

    Circuit breaker size S3 A-release 45...63 A N-release 819 A Motor protection up to 100 kA,CLASS 10 Screw terminal increased switching capacity

  • 3RX9502-0BA00 Siemens
    Original price $412.47 - Original price $1,000.00
    Original price
    $412.47 - $1,000.00
    $412.47 - $1,000.00
    Current price $412.47

    3RX9502-0BA00 Siemens

    AS-INTERFACE POWER SUPPLY IP20; OUT: AS-I DC30V, 5A IN: AC 120V/230V with INTEGR. GROUND FAULT DETECTION with INTEGR. OVERLOAD DETECTION

  • 6EP1334-7CA00 Siemens
    Original price $514.25 - Original price $874.98
    Original price
    $874.98
    $514.25 - $874.98
    Current price $874.98

    6EP1334-7CA00 Siemens

    SITOP PSU100P IP67 STABILIZED POWER SUPPLY INPUT: 120/230 V AC OUTPUT: 24 V DC/8 A

  • 6EP1931-2FC21 Siemens
    Original price $371.25 - Original price $872.50
    Original price
    $371.25 - $872.50
    $371.25 - $872.50
    Current price $371.25

    6EP1931-2FC21 Siemens

    SITOP DC USV MODULE 24 V/40 A UNINTERRUPTIBLE POWER SUPPLY WITHOUT INTERFACE INPUT: 24 V DC/43 A OUTPUT: 24 V DC/40 A

  • 3RA6250-2EB33 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RA6250-2EB33 Siemens

    SIRIUS Compact load feeder Reversing starter 400 V 24 V AC/DC 50...60 Hz 8...32 A IP20 Connection main circuit: plug-in, without terminals Connecti...

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  • 3LD2318-0TK13 Siemens
    Original price $0.00 - Original price $412.50
    Original price
    $412.50
    $0.00 - $412.50
    Current price $412.50

    3LD2318-0TK13 Siemens

    SENTRON, Switch disconnector 3LD, emergency switching-off switch, 3- pole, Iu: 160 A, operating power / at AC-23 A 400 V: 75 kW, floor mounting wit...

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  • 3RA6250-1EB33 Siemens
    Original price $0.00 - Original price $1,722.50
    Original price
    $1,722.50
    $0.00 - $1,722.50
    Current price $1,722.50

    3RA6250-1EB33 Siemens

    SIRIUS Compact load feeder Reversing starter 400 V 24 V AC/DC 50...60 Hz 8...32 A IP20 Connection main circuit: plug-in, without terminals Connecti...

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  • 3LD2318-0TK11 Siemens
    Original price $0.00 - Original price $1,935.50
    Original price
    $0.00 - $1,935.50
    $0.00 - $1,935.50
    Current price $1,935.50

    3LD2318-0TK11 Siemens

    SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 160 A, Operating power / at AC-23 A at 400 V: 75 kW, floor mounting with door coupling, ...

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  • 6EP1933-2EC41 Siemens
    Original price $0.00 - Original price $288.72
    Original price
    $288.72
    $0.00 - $288.72
    Current price $288.72

    6EP1933-2EC41 Siemens

    SITOP UPS500S SERVICE-FREE UNINTERRUPTIBLE POWER SUPPLY WITH USB-INTERFACE BASIC UNIT 2.5 KWS INPUT: 24 V DC OUTPUT: 24 V/15 A DC DEGREE OF PROTECT...

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  • 7MH5001-0AA20 Siemens
    Original price $0.00 - Original price $1,250.00
    Original price
    $0.00 - $1,250.00
    $0.00 - $1,250.00
    Current price $1,250.00

    7MH5001-0AA20 Siemens

    Junction box SIWAREX JB; die-cast aluminum quality to connect in parallel up to 4 load cells in 4-wire or 6-wire system; degree of protection: IP66...

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  • 3VA9177-0TB10 Siemens
    Original price $0.00 - Original price $688.75
    Original price
    $0.00 - $688.75
    $0.00 - $688.75
    Current price $688.75

    3VA9177-0TB10 Siemens

    communication module COM060 accessory for: 3VA6 150/250

  • 6ES5375-1LA41 Siemens
    Original price $299.75 - Original price $519.89
    Original price
    $299.75 - $519.89
    $299.75 - $519.89
    Current price $299.75

    6ES5375-1LA41 Siemens

    SIMATIC S5, Memory module 375 CMOS-EPROM, 32 KB

  • 6EP1436-3BA10 Siemens
    Original price $300.00 - Original price $300.00
    Original price
    $300.00
    $300.00 - $300.00
    Current price $300.00

    6EP1436-3BA10 Siemens

    SITOP PSU300M 20 A Stabilized power supply input: 3 AC 400-500 V output: 24 V DC/20 A Notes This product is no longer available, please order the s...

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  • 3RX9501-2BA00 Siemens
    Original price $0.00 - Original price $1,125.00
    Original price
    $1,125.00
    $0.00 - $1,125.00
    Current price $1,125.00

    3RX9501-2BA00 Siemens

    AS-i Power 2.6 A, max. 100 W 120 V/230 V AC AS-Interface power supply unit, IP20 IN: 120 V AC / 230 V OUT: AS-i, 2.6 A (30 V DC) Limitation of the ...

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  • 6ES5373-1AA41 Siemens
    Original price $294.25 - Original price $327.25
    Original price
    $327.25
    $294.25 - $327.25
    Current price $327.25

    6ES5373-1AA41 Siemens

    SIMATIC S5, Memory module 373 CMOS-EPROM, 32 KB

  • 6ES5376-1AA31 Siemens
    Original price $291.50 - Original price $962.50
    Original price
    $962.50
    $291.50 - $962.50
    Current price $962.50

    6ES5376-1AA31 Siemens

    SIMATIC S5, Memory module 376 CMOS-EPROM, 64 KB

  • 3VA9157-0HA20 Siemens
    Original price $385.00 - Original price $537.50
    Original price
    $385.00 - $537.50
    $385.00 - $537.50
    Current price $385.00

    3VA9157-0HA20 Siemens

    motor operator 110-230V AC/110-250V DC accessory for: 3VA1 160

  • 6GK1905-0DA00 Siemens
    Original price $0.00 - Original price $1,410.80
    Original price
    $0.00 - $1,410.80
    $0.00 - $1,410.80
    Current price $1,410.80

    6GK1905-0DA00 Siemens

    PROFIBUS ECOFAST TERMINATING PLUG (ECOFAST CU) 2 X CU; 4 X1.5SQMM CU, PIN CONNECTOR, INT. TERMINATING RESISTORS PACK OF 5

  • 6EP1436-3BA01 Siemens
    Original price $0.00 - Original price $792.48
    Original price
    $792.48
    $0.00 - $792.48
    Current price $792.48

    6EP1436-3BA01 Siemens

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

  • 3NP1153-1DA10 Siemens
    Original price $1,857.60 - Original price $2,628.00
    Original price
    $1,857.60 - $2,628.00
    $1,857.60 - $2,628.00
    Current price $1,857.60

    3NP1153-1DA10 Siemens

    SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH2, 400 A, for assembly and installation on mounting plate, flat terminal, cover level 70 mm

  • 6EP1437-1SL01 Siemens
    Original price $511.15 - Original price $2,516.00
    Original price
    $511.15 - $2,516.00
    $511.15 - $2,516.00
    Current price $511.15

    6EP1437-1SL01 Siemens

    SITOP POWER 30, BASIC LINE STABILIZED POWER SUPPLY INPUT: 400 V 3 AC (340...460 V) OUTPUT: 24 V DC/30 A

  • 6EP1331-1SL11 Siemens
    Original price $307.97 - Original price $1,800.00
    Original price
    $307.97 - $1,800.00
    $307.97 - $1,800.00
    Current price $307.97

    6EP1331-1SL11 Siemens

    SITOP power 2 A, Basic line Stabilized power supply input: 120/230 V AC, output: 24 V DC/2 A S7-300 Design

  • 6EP1333-7CA00 Siemens
    Original price $647.50 - Original price $1,307.50
    Original price
    $647.50 - $1,307.50
    $647.50 - $1,307.50
    Current price $647.50

    6EP1333-7CA00 Siemens

    SITOP PSU100P IP67 STABILIZED POWER SUPPLY INPUT: 120/230 V AC OUTPUT: 24 V DC/5 A