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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.
  • 6EP1961-2BA00 Siemens
    Original price $297.00 - Original price $329.86
    Original price
    $297.00 - $329.86
    $297.00 - $329.86
    Current price $297.00

    6EP1961-2BA00 Siemens

    SITOP select Diagnostics module 4-channel input: 24 V DC/40 A output: 24 V DC/4x 10 A Level adjustable 2-10 A

  • 6EP1311-1SH13 Siemens
    Original price $328.54 - Original price $369.60
    Original price
    $328.54 - $369.60
    $328.54 - $369.60
    Current price $328.54

    6EP1311-1SH13 Siemens

    LOGO!Power 5 V/6.3 A Stabilized power supply input: 100-240 V AC (DC 110-300 V) output: 5 V DC/6.3 A

  • 6FX1120-2CA02 Siemens
    Original price $551.35 - Original price $1,747.50
    Original price
    $551.35 - $1,747.50
    $551.35 - $1,747.50
    Current price $551.35

    6FX1120-2CA02 Siemens

    SIROTEC/SINUMERIK 3 6FX1120-2CA02 APCB EPROM/RAM, 32 to 96 KB (basic memory module)

  • 6EP1332-1SH41 Siemens
    Original price $326.37 - Original price $329.97
    Original price
    $326.37 - $329.97
    $326.37 - $329.97
    Current price $326.37

    6EP1332-1SH41 Siemens

    LOGO!Power 24 V Stabilized power supply input: 120-230 V AC output: DC 24 V/2,5 A

  • 6EP1334-1SL11 Siemens
    Original price $290.37 - Original price $1,387.50
    Original price
    $290.37 - $1,387.50
    $290.37 - $1,387.50
    Current price $290.37

    6EP1334-1SL11 Siemens

    SITOP power 10 A, Basic line Stabilized power supply input: 120/230 V AC, output: DC 24 V/10 A S7-300 Design

  • 6FX1192-4AA00 Siemens
    Original price $0.00 - Original price $689.98
    Original price
    $689.98
    $0.00 - $689.98
    Current price $689.98

    6FX1192-4AA00 Siemens

    SINUMERIK 3/SIROTEC RCM 6FX1192-4AA00 FBG. Input 96I

  • 3RT1026-1BB44 Siemens
    Original price $300.00 - Original price $333.16
    Original price
    $333.16
    $300.00 - $333.16
    Current price $333.16

    3RT1026-1BB44 Siemens

    Power contactor, AC-3 25 A, 11 kW / 400 V 24 V DC, 2 NO + 2 NC 3-pole, Size S0 Screw terminal !!! Phased-out product !!! Successor is SIRIUS 3RT2 P...

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  • 6EP1332-4BA00 Siemens
    Original price $377.47 - Original price $448.25
    Original price
    $377.47 - $448.25
    $377.47 - $448.25
    Current price $377.47

    6EP1332-4BA00 Siemens

    SIMATIC PM 1507 24 V/3 A STABILIZED POWER SUPPLY FOR SIMATIC S7-1500 INPUT: 120/230 V AC OUTPUT: 24 V/3 A DC

  • 3RT2036-3AC20 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT2036-3AC20 Siemens

    power contactor, AC-3 50 A, 22 kW / 400 V 1 NO + 1 NC, 24 V AC, 50 / 60 Hz, 3-pole, Size S2, Spring-type terminal

  • 3SE3934-5CB20 Siemens
    Original price $0.00 - Original price $1,740.50
    Original price
    $0.00 - $1,740.50
    $0.00 - $1,740.50
    Current price $1,740.50

    3SE3934-5CB20 Siemens

    Pedal switch 2 change-over contacts 2-pedal, without protective cover

  • 3RT2036-1AP60 Siemens
    Original price $453.75 - Original price $624.23
    Original price
    $453.75 - $624.23
    $453.75 - $624.23
    Current price $453.75

    3RT2036-1AP60 Siemens

    power contactor, AC-3 50 A, 22 kW / 400 V 1 NO + 1 NC, 220 V AC, 50 Hz / 240 V, 60 Hz, 3-pole, Size S2, screw terminal

  • 3RT2036-1AK60 Siemens
    Original price $412.36 - Original price $536.60
    Original price
    $536.60
    $412.36 - $536.60
    Current price $536.60

    3RT2036-1AK60 Siemens

    power contactor, AC-3 50 A, 22 kW / 400 V 1 NO + 1 NC, 110 V AC, 50 Hz / 120 V, 60 Hz, 3-pole, Size S2, screw terminal

  • 3RT2027-1KB40 Siemens
    Original price $0.00 - Original price $280.80
    Original price
    $280.80
    $0.00 - $280.80
    Current price $280.80

    3RT2027-1KB40 Siemens

    Contactor relay, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 24 V DC with integrated varistor 3-pole, size S0 screw terminals suitable for PLC outputs

  • 6GK5908-0PB00 Siemens
    Original price $0.00 - Original price $522.36
    Original price
    $0.00 - $522.36
    $0.00 - $522.36
    Current price $522.36

    6GK5908-0PB00 Siemens

    KEY-PLUG SINEMA RC, REPLACEABLE MED. FOR ACTIVATING THE CONNECTION TO SINEMA REMOTE CONNECT FOR S615 and Scalance M874-X and M876-X FOR SIMPLE DEVI...

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  • 3SE2283-6GA43 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3SE2283-6GA43 Siemens

    Hinge switch Molded-plastic enclosure with aluminum hinge 3xNC, Slow-action contacts for 40 mm profiles Supplied with additional hinge and fixing m...

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  • 6GK1905-0FB00 Siemens
    Original price $0.00 - Original price $620.88
    Original price
    $0.00 - $620.88
    $0.00 - $620.88
    Current price $620.88

    6GK1905-0FB00 Siemens

    7/8" CONNECTING PLUG with AXIAL CABLE OUTLET FOR FIELD ASSEMBLY OF ET 200, SOCKET CONNECTOR, PACK. Unit 5 PIECES

  • 3RF2990-0GA16 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RF2990-0GA16 Siemens

    Load monitoring Current range 90 A / 40 °C 400-600 V / 24 V AC/DC for semiconductor relay / contactor

  • 6GT2800-4BB00 Siemens
    Original price $300.00 - Original price $1,135.00
    Original price
    $300.00 - $1,135.00
    $300.00 - $1,135.00
    Current price $300.00

    6GT2800-4BB00 Siemens

    Simatic RF300 TRANSPONDER RF340T 8 KB FRAM, IP 67-X9K, -25 UP TO +85 DEGR-C 48 MM X 25 MM X 15 mm, MIN. ORDER QUANTITY 5 PCS

  • 3RT2027-2BB40 Siemens
    Original price $300.00 - Original price $412.50
    Original price
    $300.00 - $412.50
    $300.00 - $412.50
    Current price $300.00

    3RT2027-2BB40 Siemens

    Power contactor, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 24 V DC 3-pole, size S0 Spring-type terminals

  • 3RF2230-1AC45 Siemens
    Original price $412.50 - Original price $717.50
    Original price
    $412.50 - $717.50
    $412.50 - $717.50
    Current price $412.50

    3RF2230-1AC45 Siemens

    Semiconductor relay, 3-phase 3RF2 30 A / 40 °C 48-600 V / 4-30 V DC 3-phase controlled screw terminal Blocking voltage 1200 V

  • 3RT2027-1BF40 Siemens
    Original price $0.00 - Original price $795.00
    Original price
    $0.00 - $795.00
    $0.00 - $795.00
    Current price $795.00

    3RT2027-1BF40 Siemens

    Power contactor, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 110 V DC 3-pole, size S0 screw terminals

  • 3RT2027-1BM40 Siemens
    Original price $335.50 - Original price $550.00
    Original price
    $335.50 - $550.00
    $335.50 - $550.00
    Current price $335.50

    3RT2027-1BM40 Siemens

    Power contactor, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 220 V DC 3-pole, size S0 screw terminals

  • 3RT2027-1BW40 Siemens
    Original price $522.50 - Original price $530.64
    Original price
    $530.64
    $522.50 - $530.64
    Current price $530.64

    3RT2027-1BW40 Siemens

    Power contactor, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 48 V DC 3-pole, size S0 screw terminals

  • 6EP1961-2BA21 Siemens
    Original price $316.22 - Original price $412.50
    Original price
    $316.22 - $412.50
    $316.22 - $412.50
    Current price $316.22

    6EP1961-2BA21 Siemens

    SITOP PSE200U 10 A SELECTIVITY Module 4-Channel INPUT: 24 V DC/40 A OUTPUT: 24 V/4X 10 A THRESHOLD ADJUSTABLE 3-10 A with COMMON SIGNALING CONTACT

  • 3RR2143-1AA30 Siemens
    Original price $0.00 - Original price $354.75
    Original price
    $354.75
    $0.00 - $354.75
    Current price $354.75

    3RR2143-1AA30 Siemens

    Monitoring relay, can be mounted to Contactor 3RT2, Size S2 basic, analog adjustment Apparent current monitoring 8...80 A, 50...60 Hz, 2-phase Supp...

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  • 3RT2526-1BW40 Siemens
    Original price $0.00 - Original price $412.47
    Original price
    $0.00 - $412.47
    $0.00 - $412.47
    Current price $412.47

    3RT2526-1BW40 Siemens

    Power contactor, AC-3 25 A, 11 kW / 400 V 2 NO + 2 NC 48 V DC 4-pole size S0 screw terminals 1 NO + 1 NC integrated

  • 6FX1121-2BB02 Siemens
    Original price $0.00 - Original price $300.00
    Original price
    $300.00
    $0.00 - $300.00
    Current price $300.00

    6FX1121-2BB02 Siemens

    SINUMERIK 810 Interface module

  • 3SK1220-1AB40 Siemens
    Original price $0.00 - Original price $412.50
    Original price
    $0.00 - $412.50
    $0.00 - $412.50
    Current price $412.50

    3SK1220-1AB40 Siemens

    SIRIUS SAFETY RELAY ADVANCED EXPANSION UNIT INPUT EXTENSION FOR ONE ADDITIONAL 2-CHANNEL OR TWO 1-CHANNEL SENSORS US = 24 V DC SCREW CONNECTION

  • 3SK1220-2AB40 Siemens
    Original price $0.00 - Original price $412.50
    Original price
    $412.50
    $0.00 - $412.50
    Current price $412.50

    3SK1220-2AB40 Siemens

    SIRIUS SAFETY RELAY ADVANCED EXPANSION UNIT INPUT EXTENSION FOR ONE ADDITIONAL 2-CHANNEL OR TWO 1-CHANNEL SENSORS US = 24 V DC SPRING-LOADED CONNEC...

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  • 3UF1900-1KA00 Siemens
    Original price $0.00 - Original price $587.50
    Original price
    $0.00 - $587.50
    $0.00 - $587.50
    Current price $587.50

    3UF1900-1KA00 Siemens

    Bus termination module for SINEC L2-RS 485 and PROFIBUS RS 485 for bus connection after the last device at the bus line Supply voltage: 24 V AC 110...

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  • 3RF2370-3AA02 Siemens
    Original price $0.00 - Original price $874.98
    Original price
    $874.98
    $0.00 - $874.98
    Current price $874.98

    3RF2370-3AA02 Siemens

    Solid-state contactor 1-phase 3RF2 AC 51 / 70 A / 40 °C 24-230 V / 24 V DC Ring cable connection

  • 3VL9300-3HF06 Siemens
    Original price $0.00 - Original price $1,892.28
    Original price
    $1,892.28
    $0.00 - $1,892.28
    Current price $1,892.28

    3VL9300-3HF06 Siemens

    accessory for VL150X UL, VL150 UL, VL250 UL (CG frame-FG frame) door-coupling rotary op. mech. f. inst. in doors, compl. standard door op. mech. 8U...

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  • 3RT1955-5NF31 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT1955-5NF31 Siemens

    Withdrawable coil for size S6 for contactors 3RT105 / 3RT145 AC/DC operation 96 ... 127 V UC, Drive: electronic with PLC interface 24 V DC screw te...

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  • 3RA2712-1BA00 Siemens
    Original price $0.00 - Original price $1,122.50
    Original price
    $1,122.50
    $0.00 - $1,122.50
    Current price $1,122.50

    3RA2712-1BA00 Siemens

    Function module for AS-i, Reversing start, screw terminal, Installation on contactors 3RT2 Communication-capable contactor required

  • 3RF2950-0GA16 Siemens
    Original price $622.50 - Original price $872.50
    Original price
    $622.50 - $872.50
    $622.50 - $872.50
    Current price $622.50

    3RF2950-0GA16 Siemens

    Load monitoring Current range 50 A / 40 °C 400-600 V / 24 V AC/DC for semiconductor relay / contactor

  • 3RF2990-0GA13 Siemens
    Original price $0.00 - Original price $297.00
    Original price
    $0.00 - $297.00
    $0.00 - $297.00
    Current price $297.00

    3RF2990-0GA13 Siemens

    Load monitoring Current range 90 A / 40 °C 110-230 V / 24 V AC/DC for semiconductor relay / contactor

  • 6EP1961-2BA31 Siemens
    Original price $412.47 - Original price $439.97
    Original price
    $439.97
    $412.47 - $439.97
    Current price $439.97

    6EP1961-2BA31 Siemens

    SITOP PSE200U 3 A Selectivity module 4-channel input: DC 24 V/12 A output: 24 V DC/4x 3 A Level adjustable 0.5-3 A mit status message for each output

  • 6EP1334-1LB00 Siemens
    Original price $300.11 - Original price $326.70
    Original price
    $300.11 - $326.70
    $300.11 - $326.70
    Current price $300.11

    6EP1334-1LB00 Siemens

    SITOP PSU100L 24 V/10 A Stabilized power supply input: 120/230 V AC, output: DC 24 V/10 A

  • 3RT2027-1BG40 Siemens
    Original price $0.00 - Original price $855.00
    Original price
    $0.00 - $855.00
    $0.00 - $855.00
    Current price $855.00

    3RT2027-1BG40 Siemens

    Power contactor, AC-3 32 A, 15 kW / 400 V 1 NO + 1 NC, 125 V DC 3-pole, size S0 screw terminals

  • 3RS1000-1CK20 Siemens
    Original price $0.00 - Original price $624.98
    Original price
    $0.00 - $624.98
    $0.00 - $624.98
    Current price $624.98

    3RS1000-1CK20 Siemens

    Temperature monitoring relay PT100, Overshoot 1 threshold value, Width 22.5 mm 0 °C to 200 °C 110-120/220-240 V AC 1 NO + 1 NC, quiescent current...

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  • 3RV2031-4BA10 Siemens
    Original price $857.10 - Original price $1,085.65
    Original price
    $857.10 - $1,085.65
    $857.10 - $1,085.65
    Current price $857.10

    3RV2031-4BA10 Siemens

    Circuit breaker size S2 for motor protection, CLASS 10 A-release 14...20 A N-release 260 A screw terminal Standard switching capacity

  • 3RV2031-4TA10 Siemens
    Original price $352.00 - Original price $710.00
    Original price
    $352.00 - $710.00
    $352.00 - $710.00
    Current price $352.00

    3RV2031-4TA10 Siemens

    Circuit breaker size S2 for motor protection, CLASS 10 A-release 12...17 A N-release 260 A screw terminal Standard switching capacity

  • 3UG4622-1AW30 Siemens
    Original price $357.47 - Original price $453.75
    Original price
    $453.75
    $357.47 - $453.75
    Current price $453.75

    3UG4622-1AW30 Siemens

    Digital monitoring relay Current monitoring, 22.5 mm from 0.05-10 A AC/DC 0vershoot and undershoot 24 to 240 V AC/DC 50 to 60 Hz DC and AC ON delay...

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  • 3RT2035-1AV60 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT2035-1AV60 Siemens

    power contactor, AC-3 40 A, 18.5 kW / 400 V 1 NO + 1 NC, 480 V AC 60 Hz, 3-pole, Size S2, screw terminal

  • 3RT2035-1AC10 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT2035-1AC10 Siemens

    power contactor, AC-3 40 A, 18.5 kW / 400 V 1 NO + 1 NC, 24 V AC 60 Hz, 3-pole, Size S2, screw terminal

  • 3RT2035-1AM20 Siemens
    Sold out
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    3RT2035-1AM20 Siemens

    power contactor, AC-3 40 A, 18.5 kW / 400 V 1 NO + 1 NC, 208 V AC 50 / 60 Hz, 3-pole, screw terminal

  • 3UG4614-1BR20 Siemens
    Original price $316.25 - Original price $372.49
    Original price
    $372.49
    $316.25 - $372.49
    Current price $372.49

    3UG4614-1BR20 Siemens

    Digital monitoring relay Asymmetry 0-20% Phase sequence can be activated Phase failure 3 x 160 to 690 V 50 to 60 Hz AC Undervoltage 160-690 V Hyste...

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  • 3RT2035-1AK60 Siemens
    Original price $299.75 - Original price $302.47
    Original price
    $299.75 - $302.47
    $299.75 - $302.47
    Current price $299.75

    3RT2035-1AK60 Siemens

    power contactor, AC-3 40 A, 18.5 kW / 400 V 1 NO + 1 NC, 110 V AC 50 Hz / 120 V, 60 Hz, 3-pole, Size S2, screw terminal