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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.
  • 3RM1207-1AA14 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RM1207-1AA14 Siemens

    Motor starter SIRIUS 3RM1 Reversing starter 500 V; 1.6-7.0 A; 110-230 V AC Screw connection system

  • 3RM1202-1AA14 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RM1202-1AA14 Siemens

    Motor starter SIRIUS 3RM1 Reversing starter 500 V; 0.4-2.0 A; 110-230 V AC Screw connection system

  • 3RM1202-1AA04 Siemens
    Original price $0.00 - Original price $507.50
    Original price
    $507.50
    $0.00 - $507.50
    Current price $507.50

    3RM1202-1AA04 Siemens

    Motor starter SIRIUS 3RM1 Reversing starter 500 V; 0.4-2.0 A; 24 V DC Screw connection system

  • 3RM1201-3AA14 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $0.00 - $549.97
    $0.00 - $549.97
    Current price $549.97

    3RM1201-3AA14 Siemens

    Motor starter SIRIUS 3RM1 Reversing starter 500 V; 0.1-0.5 A; 110-230 V AC Control circuit push-in Main circuit screw terminal

  • 3RM1201-3AA04 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RM1201-3AA04 Siemens

    Motor starter SIRIUS 3RM1 Reversing starter 500 V; 0.1-0.5 A; 24 V DC Control circuit push-in Main circuit screw terminal

  • 3RM1201-2AA14 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $0.00 - $549.97
    $0.00 - $549.97
    Current price $549.97

    3RM1201-2AA14 Siemens

    MOTOR STARTER SIRIUS 3RM1 REVERSING STARTER 500 V 0.1-0.5 A 110-230 V AC PUSH-IN CONNECTION METHOD.

  • 3SE5322-0SB21 Siemens
    Original price $296.97 - Original price $1,312.50
    Original price
    $296.97 - $1,312.50
    $296.97 - $1,312.50
    Current price $296.97

    3SE5322-0SB21 Siemens

    Safety position switch with tumbler Locking force 1300 N 5 directions of approaches Solenoid-locked Magnet voltage 24 V DC Monitoring actuator 2 NC...

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  • 3SE5322-0SB22 Siemens
    Original price $0.00 - Original price $549.86
    Original price
    $549.86
    $0.00 - $549.86
    Current price $549.86

    3SE5322-0SB22 Siemens

    Safety position switch with tumbler Locking force 1300 N 5 directions of approaches Solenoid-locked Magnet voltage 115 V AC Monitoring actuator 2 N...

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  • 3UG4617-1CR20 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3UG4617-1CR20 Siemens

    Digital monitoring relay 3-phase supply voltage Autom. phase sequence correction Phase failure 3 x 160 to 690 V 50 to 60 Hz AC Undervoltage and ove...

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  • 3UG4651-1AW30 Siemens
    Original price $537.85 - Original price $550.00
    Original price
    $537.85 - $550.00
    $537.85 - $550.00
    Current price $537.85

    3UG4651-1AW30 Siemens

    Digital monitoring relay Speed monitoring from 0.1 to 2200 rpm Overshoot and undershoot 24 to 240 V AC/DC 50 to 60 Hz DC and AC ON delay 1 to 900 s...

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  • 3RV2031-4DB10 Siemens
    Original price $0.00 - Original price $782.50
    Original price
    $782.50
    $0.00 - $782.50
    Current price $782.50

    3RV2031-4DB10 Siemens

    Circuit breaker size S2 for motor protection, Class 20 A-release 18...25 A N-release 325 A Screw terminal Standard switching capacity

  • 3RF2410-1AC55 Siemens
    Original price $0.00 - Original price $999.98
    Original price
    $0.00 - $999.98
    $0.00 - $999.98
    Current price $999.98

    3RF2410-1AC55 Siemens

    Solid-state contactor 3-phase 3RF2 AC 51 / 10 A / 40 °C 48-600 V / 230 V AC 3-phase controlled screw terminal Blocking voltage 1200 V

  • 3RK1911-2BF02 Siemens
    Original price $0.00 - Original price $650.00
    Original price
    $0.00 - $650.00
    $0.00 - $650.00
    Current price $650.00

    3RK1911-2BF02 Siemens

    ECOFAST POWER-T CLAMPING COUPLER FOR FEEDER 6MM2

  • 3RT1965-5NB31 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT1965-5NB31 Siemens

    Withdrawable coil for Size S10 for contactors 3RT106 / 3RT146 AC/DC operation, 21 - 27 UC, 3 V, Drive: electronic with PLC interface 24 V DC screw ...

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  • 3RV2121-4NA10 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RV2121-4NA10 Siemens

    Circuit breaker size S0 for motor protection, CLASS 10 with overload relay function A-release 23...28 A N-release 364 A screw terminal Standard swi...

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  • 3RR2241-1FW30 Siemens
    Original price $0.00 - Original price $997.50
    Original price
    $997.50
    $0.00 - $997.50
    Current price $997.50

    3RR2241-1FW30 Siemens

    Monitoring relay, can be mounted to Contactor 3RT2, Size S00 standard, digitally adjustable Apparant/active current monitoring 1.6-16 A, 20-400 Hz,...

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  • 3RR2241-2FW30 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RR2241-2FW30 Siemens

    Monitoring relay, can be mounted to Contactor 3RT2, Size S00 standard, digitally adjustable Apparant/active current monitoring 1.6-16 A, 20-400 Hz,...

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  • 3RA6120-1CB33 Siemens
    Original price $549.97 - Original price $1,407.45
    Original price
    $549.97 - $1,407.45
    $549.97 - $1,407.45
    Current price $549.97

    3RA6120-1CB33 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 1...4 A IP20 Connection main circuit: plug-in, without terminals Connection auxi...

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  • 6GK1905-0AC00 Siemens
    Original price $0.00 - Original price $1,012.50
    Original price
    $0.00 - $1,012.50
    $0.00 - $1,012.50
    Current price $1,012.50

    6GK1905-0AC00 Siemens

    PROFIBUS PA SPLITCONNECT COUPLER, CONNECTING ELEMENT FOR CASCADING OF SPLITCONNECT TAPS FOR ASSEMBL. OF NEUTRAL POINTS PACK. UNIT: 10 PIECES PER PACK

  • 3RA6120-2BB32 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RA6120-2BB32 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 0.32...1.25 A IP20 Connection main circuit: Spring-type terminal Connection auxi...

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  • 3RA6120-2CB33 Siemens
    Original price $0.00 - Original price $523.33
    Original price
    $523.33
    $0.00 - $523.33
    Current price $523.33

    3RA6120-2CB33 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 1...4 A IP20 Connection main circuit: plug-in, without terminals Connection auxi...

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  • 3RA6120-1BB32 Siemens
    Original price $412.47 - Original price $1,125.00
    Original price
    $412.47 - $1,125.00
    $412.47 - $1,125.00
    Current price $412.47

    3RA6120-1BB32 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 0.32...1.25 A IP20 Connection main circuit: screw terminal Connection auxiliary ...

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  • 3SK1211-1BB00 Siemens
    Original price $347.49 - Original price $949.60
    Original price
    $347.49 - $949.60
    $347.49 - $949.60
    Current price $347.49

    3SK1211-1BB00 Siemens

    SIRIUS SAFETY RELAY OUTPUT EXTENSION 4RO WITH RELAY ENABLING CIRCUITS 4 NO CONTACTS + RELAY FEEDBACK CIRCUIT 1 NC CONTACT US = 24 V AC SCREW CONNEC...

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  • 3SK1211-1BW20 Siemens
    Original price $975.10 - Original price $1,122.50
    Original price
    $975.10 - $1,122.50
    $975.10 - $1,122.50
    Current price $975.10

    3SK1211-1BW20 Siemens

    SIRIUS SAFETY RELAY OUTPUT EXTENSION 4RO WITH RELAY ENABLING CIRCUITS 4 NO CONTACTS + RELAY FEEDBACK CIRCUIT 1 NC CONTACT US = 110-240 V AC/DC SCRE...

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  • 3RA6120-1AB32 Siemens
    Original price $300.00 - Original price $2,131.50
    Original price
    $300.00 - $2,131.50
    $300.00 - $2,131.50
    Current price $300.00

    3RA6120-1AB32 Siemens

    SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 0.1...0.4 A IP20 Connection main circuit: screw terminal Connection auxiliary ci...

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  • 3RF2370-3AA06 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RF2370-3AA06 Siemens

    Solid-state contactor 1-phase 3RF2 AC 51 / 70 A / 40 °C 48-600 V / 24 V DC Ring cable connection

  • 3RF2410-1AC45 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RF2410-1AC45 Siemens

    Solid-state contactor 3-phase 3RF2 AC 51 / 10 A / 40 °C 48-600 V / 4-30 V DC 3-phase controlled screw terminal Blocking voltage 1200 V

  • 3SK1111-2AB30 Siemens
    Original price $867.50 - Original price $1,152.50
    Original price
    $867.50 - $1,152.50
    $867.50 - $1,152.50
    Current price $867.50

    3SK1111-2AB30 Siemens

    SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V AC/DC Spri...

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  • 3RT2035-1KB40 Siemens
    Original price $300.00 - Original price $412.50
    Original price
    $300.00 - $412.50
    $300.00 - $412.50
    Current price $300.00

    3RT2035-1KB40 Siemens

    power contactor, AC-3 40 A, 18.5 kW / 400 V 1 NO + 1 NC, 24 V DC with varistor, 3-pole, Size S2, screw terminal Suitable for 2 A PLC outputs

  • 3RT2036-1AR64 Siemens
    Original price $0.00 - Original price $657.50
    Original price
    $0.00 - $657.50
    $0.00 - $657.50
    Current price $657.50

    3RT2036-1AR64 Siemens

    power contactor, AC-3 50 A, 22 kW / 400 V 2 NO + 2 NC, 400 V AC, 50 Hz 400-440 V, 60 Hz, 3-pole, Size S2, screw terminal

  • 3SK1111-1AB30 Siemens
    Original price $300.00 - Original price $316.22
    Original price
    $316.22
    $300.00 - $316.22
    Current price $316.22

    3SK1111-1AB30 Siemens

    SIRIUS SAFETY RELAY STANDARD SERIES DEVICE RELAY ENABLING CIRCUITS 3 NO CONTACTS + RELAY SIGNALING CIRCUIT 1 NC CONTACT US = 24 V AC/DC SCREW TERMINAL

  • 3SK1111-2AW20 Siemens
    Original price $0.00 - Original price $795.00
    Original price
    $795.00
    $0.00 - $795.00
    Current price $795.00

    3SK1111-2AW20 Siemens

    SIRIUS SAFETY RELAY STANDARD SERIES DEVICE RELAY ENABLING CIRCUITS 3 NO CONTACTS + RELAY SIGNALING CIRCUIT 1 NC CONTACT US = 110 - 240 V DC/AC 50/6...

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  • 3RF2430-1AB45 Siemens
    Original price $0.00 - Original price $669.00
    Original price
    $669.00
    $0.00 - $669.00
    Current price $669.00

    3RF2430-1AB45 Siemens

    Solid-state contactor 3-phase 3RF2 AC 51 / 30 A / 40 °C 48-600 V / 4-30 V DC 2-phase controlled screw terminal Blocking voltage 1200 V

  • 3RM1001-1AA04 Siemens
    Original price $0.00 - Original price $481.25
    Original price
    $0.00 - $481.25
    $0.00 - $481.25
    Current price $481.25

    3RM1001-1AA04 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V, 0.1-0.5 A, 24 V DC Screw connection system

  • 3RM1001-2AA04 Siemens
    Original price $376.45 - Original price $832.50
    Original price
    $376.45 - $832.50
    $376.45 - $832.50
    Current price $376.45

    3RM1001-2AA04 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.1-0.5 A; 24 V DC Push-in connection method

  • 3RM1001-3AA14 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $0.00 - $549.97
    $0.00 - $549.97
    Current price $549.97

    3RM1001-3AA14 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.1-0.5 A; 110-230 V AC Control circuit push-in Main circuit screw terminal

  • 3RM1002-1AA04 Siemens
    Original price $550.00 - Original price $612.00
    Original price
    $550.00 - $612.00
    $550.00 - $612.00
    Current price $550.00

    3RM1002-1AA04 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V, 0.4-2.0 A, 24 V DC Screw connection system

  • 3RM1002-1AA14 Siemens
    Original price $445.50 - Original price $549.97
    Original price
    $549.97
    $445.50 - $549.97
    Current price $549.97

    3RM1002-1AA14 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.4-2.0 A; 110-230 V AC Screw connection system

  • 3RM1002-2AA14 Siemens
    Original price $0.00 - Original price $295.35
    Original price
    $295.35
    $0.00 - $295.35
    Current price $295.35

    3RM1002-2AA14 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.4-2.0 A; 110-230 V AC Push-in connection method

  • 3RM1002-3AA04 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RM1002-3AA04 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.4-2.0 A; 24 V DC Control circuit push-in Main circuit screw terminal

  • 3RM1002-3AA14 Siemens
    Original price $0.00 - Original price $549.97
    Original price
    $0.00 - $549.97
    $0.00 - $549.97
    Current price $549.97

    3RM1002-3AA14 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 0.4-2.0 A; 110-230 V AC Control circuit push-in Main circuit screw terminal

  • 3RM1007-1AA04 Siemens
    Original price $299.75 - Original price $368.50
    Original price
    $299.75 - $368.50
    $299.75 - $368.50
    Current price $299.75

    3RM1007-1AA04 Siemens

    Motor starter SIRIUS 3RM1 DOL starter 500 V; 1.6-7.0 A; 24 V DC Screw connection system

  • 3RV2031-4PA10 Siemens
    Original price $537.50 - Original price $549.97
    Original price
    $549.97
    $537.50 - $549.97
    Current price $549.97

    3RV2031-4PA10 Siemens

    Circuit breaker size S2 for motor protection, CLASS 10 A-release 28...36 A N-release 520 A screw terminal Standard switching capacity

  • 6EP1961-3BA10 Siemens
    Original price $597.50 - Original price $672.50
    Original price
    $597.50 - $672.50
    $597.50 - $672.50
    Current price $597.50

    6EP1961-3BA10 Siemens

    SITOP modular signaling module for 6EP1XXX-3BA00 Signaling contacts: Output voltage OK Readiness for operation OK Remote on/off

  • 3RF3410-1BB24 Siemens
    Original price $0.00 - Original price $737.50
    Original price
    $0.00 - $737.50
    $0.00 - $737.50
    Current price $737.50

    3RF3410-1BB24 Siemens

    Solid-state contactor 3-phase 3RF3 AC 53 / 9.2 A / 40 °C 48-480 V / 110-230 V AC 2-phase controlled Instantaneous switching screw terminal

  • 3RN1010-1CM00 Siemens
    Original price $341.63 - Original price $431.28
    Original price
    $341.63 - $431.28
    $341.63 - $431.28
    Current price $341.63

    3RN1010-1CM00 Siemens

    ! Phased-out product! The preferred successor is 3RN2010-1BW30 Thermistor motor protection Standard evaluation unit AUTO, 1 NO + 1 NC, 230 V AC Scr...

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  • 3RK1903-0AK10 Siemens
    Original price $492.25 - Original price $543.24
    Original price
    $543.24
    $492.25 - $543.24
    Current price $543.24

    3RK1903-0AK10 Siemens

    65MM TERMINAL MODULE FOR ET200S HIGH FEATURE D-O-L STARTERS/D-O-L SOFT STARTERS, WITHOUT INCOMING CONNECTION

  • 3RT2327-1BF40 Siemens
    Original price $0.00 - Original price $925.00
    Original price
    $0.00 - $925.00
    $0.00 - $925.00
    Current price $925.00

    3RT2327-1BF40 Siemens

    Contactor, 4 NO, AC-1: 50 A 110 V DC, 4-pole, 4 NO, size: S0, Screw terminal 1 NO + 1 NC integrated