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    PLC & Industrial Automation Controls

    Optimize production systems with advanced PLC modules, racks, and software solutions, ensuring precision and reliability in complex industrial automation scenarios.

    Optimize your industrial automation with our comprehensive range of PLCs and machine control solutions. Our comprehensive range features industrial computers, PLC software, PLC modules and racks, PLC batteries, cables, and accessories, as well as VDC logic I/O brains and interfaces for all your automation control needs. Whether you're upgrading your industrial automation systems, implementing smart manufacturing solutions, or maintaining critical control infrastructure, our PLCs and machine control products deliver the precision, reliability, and flexibility you need for seamless operation and enhanced productivity. Shop now for cutting-edge PLCs and machine control solutions to optimize your industrial automation.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 601-650 of 819.
    SIEMENS 6RB2060-0FB00

    SIEMENS

    6RB2060-0FB00

    DISCONTINUED BY MANUFACTURER, POWER MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,046.84
    $1,046.84
    Repair Yours $868.88
    SIEMENS 6GT2002-0HA10

    SIEMENS

    6GT2002-0HA10

    DISCONTINUED BY MANUFACTURER 10/01/2020, MOBY COMMUNICATION MODULE, ASM473 FOR REMOTE PERIPHERALS ET 200X, PARAMETERIZABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,015.92
    $1,015.92
    Repair Yours $843.21
    SIEMENS 6GT2002-0EB10

    SIEMENS

    6GT2002-0EB10

    MODULE I/F ASM 451 W/FILE HANDLR MOBY I
    ✓ IN STOCK!
    $3,450.40 Buy Surplus As Low As $2,070.24
    $2,070.24
    Repair Yours $1,809.00
    SIEMENS 6ES5373-1AA81

    SIEMENS

    6ES5373-1AA81

    DISCONTINUED BY MANUFACTURER, MEMORY SUBMODULE, SIMATIC S5, MEMORY MODULE 373 CMOS-EPROM, 128 KB
    ✓ IN STOCK!
    Buy Surplus As Low As $452.11
    $452.11
    Repair Yours $375.25
    SIEMENS 6ES5188-3UH51

    SIEMENS

    6ES5188-3UH51

    DISCONTINUED BY MANUFACTURER, RACK, SIMATIC S5, CENTRAL DEVICES CD 155H 10+11 SLOTS, WITHOUT CPU, BATTERY, MANUAL, POWER SUPPLY AND FAN MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As $801.90
    $801.90
    Repair Yours $790.00
    SIEMENS 6ES5188-3UA21

    SIEMENS

    6ES5188-3UA21

    DISCONTINUED BY MANUFACTURER 01/08/95, EXPANSION RACK, SIMATIC S5, CENTRAL UNIT, 21 SLOTS, 135/155U, 40 AMP, 115-230 VAC, 5 V, W/O POWER SUPPLY
    ✓ IN STOCK!
    Buy Surplus As Low As $1,046.50
    $1,046.50
    Repair Yours $920.00
    SIEMENS 5TI-525806

    SIEMENS

    TEXAS INSTRUMENTS PLC

    5TI-525806

    DISCONTINUED BY MANUFACTURER, CABLE ASSEMBLY, MALE/FEMALE CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $15.36
    $15.36
    SIEMENS 6ES7461-0AA01-0AA0

    SIEMENS

    6ES7461-0AA01-0AA0

    INTERFACE MODULE, SIMATIC S7-400, RECEIVER, IM 461-0, FOR CENTRAL COUPLING FOR PS TRANSFER, W/ C-BUS
    ✓ IN STOCK!
    $1,137.42 Buy Surplus As Low As $758.28
    $758.28
    Repair Yours $300.00
    SIEMENS 6ES7421-1FH00-0AA0

    SIEMENS

    6ES7421-1FH00-0AA0

    DISCONTINUED BY MANUFACTURER, SIMATIC S7-400, SM 421, DIGITAL INPUT MODULE, OPTIC. ISOLATED, 16 DIGITAL INPUT, 120/230V AC, SUCCESSOR 6ES7421-1FH20-0AA0
    ✓ IN STOCK!
    Buy Surplus As Low As $382.72
    $382.72
    Repair Yours $317.66
    ALLEN BRADLEY 1785-L40C15

    ALLEN BRADLEY

    1785-L40C15

    DISCONTINUED BY MANUFACTURER, PROCESSOR MODULE, PROGRAMMABLE CONTROLLER, CONTROLNET, PLC-5/40, 1.25PHASE, 48 KILOWORD SRAM, 3AMP, 5VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $2,157.10
    $2,157.10
    Repair Yours $1,595.00
    ALLEN BRADLEY 1778-OHC

    ALLEN BRADLEY

    1778-OHC

    DISCONTINUED BY MANUFACTURER, POWER OUTPUT MODULE 12-24VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $521.28
    $521.28
    Repair Yours $455.44
    ALLEN BRADLEY 1775-MEF

    ALLEN BRADLEY

    1775-MEF

    DISCONTINUED BY MANUFACTURER,MEMORY MODULE, 256K, ERROR CORRECTING, 5 VDC AT 1.90 AMPS, 15 VDC AT 0.15 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $3,045.24
    $3,045.24
    Repair Yours $2,837.35
    FANUC A20B-2001-0940

    FANUC

    A20B-2001-0940

    DISCONTINUED BY MANUFACTURER, PC BOARD ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $411.38
    $411.38
    Repair Yours $399.35
    FANUC A02B-0098-B512

    FANUC

    A02B-0098-B512

    DISCONTINUED BY MANUFACTURER, A20B-2000-0180, PC BOARD, MASTER BOARD A20B-2000-0180 ASSEMBLY, BASIC UNIT B ASSEMBLY PLATE/FRAME, BASE PLATE 0-TTC & 0 - TC CONTROLS, CNC
    ✓ IN STOCK!
    Buy Surplus As Low As $312.08
    $312.08
    Repair Yours $302.95
    ERHARDT & LEIMER 0842204401

    ERHARDT & LEIMER

    0842204401

    PC BOARD ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As $228.32
    $228.32
    Repair Yours $300.00
    EMERSON 1C31132G01

    EMERSON

    WESTINGHOUSE PROCESS CONTROL

    1C31132G01

    DISCONTINUED BY MANUFACTURER, CARD, ANALOG OUTPUT CARD, PERSONALITY MODULE, RACK MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $611.10
    $611.10
    Repair Yours $563.57
    EMERSON 1C31129G03

    EMERSON

    WESTINGHOUSE PROCESS CONTROL

    1C31129G03

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE, ANALOG, 0-20MA DIAGNOSTIC, LED INDICATING
    ✓ IN STOCK!
    Buy Surplus As Low As $966.57
    $966.57
    Repair Yours $881.60
    EMERSON 1C31125G02

    EMERSON

    OVATION

    1C31125G02

    DISCONTINUED BY MANUFACTURER, DIGITAL OUTPUT MODULE, PERSONALITY MODULE, 3.15 AMP, 250 V AC, 16 CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As $171.63
    $171.63
    Repair Yours $300.00
    EMERSON 1C31122G01

    EMERSON

    OVATION

    1C31122G01

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE, 5-60VDC, DIGITAL, 16CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As $704.11
    $704.11
    Repair Yours $460.00
    NIDEC CORP DDS-001

    NIDEC CORP

    CONTROL TECHNIQUES

    DDS-001

    DISCONTINUED BY MANUFACTURER, SERIAL INTERFACE CABLE , DRIVE TO DRIVE, 25FT
    ✓ IN STOCK!
    Buy Surplus As Low As $36.77
    $36.77
    OPTO 22 IAC5

    OPTO 22

    IAC5

    I/O MODULE, CURRENT RATING: 12MA, PROTYPE: AC INPUT MODULE, 90-140 V, 20 SECOND TURN OFF/ON TIME
    ✓ IN STOCK!
    $41.00 Buy New $41.00
    $19.11
    OPTO 22 G4REG

    OPTO 22

    G4REG

    BRICK POWER REGULATION MODULE, VOLTAGE REGULATOR IS A REPLACEMENT PART FOR G4 BRICKSG4REG
    ✓ IN STOCK!
    $447.00 Buy New $447.00
    $245.27
    OPTO 22 G4PB4R

    OPTO 22

    G4PB4R

    PC BOARD, I/O RACK, 4 CHANNEL I/O RACK, 3.5 X 3.5 INCH SQUARE DIMENTIONS, 2.32 ROHS COMPLIANT, FOR USE WITH G4 I/O MODULES
    ✓ IN STOCK!
    $91.00 Buy New $91.00
    $47.83
    Repair Yours $300.00
    OPTO 22 G4-ODC5

    OPTO 22

    G4-ODC5

    OUTPUT MODULE, 3 AMP, 5-60 VDC, 5 VDC LOGIC, BUILT IN LED STATUS INDICATOR, MANUAL ON / OFF SWITCH
    ✓ IN STOCK!
    $37.00 Buy New $37.00
    $23.00
    OPTO 22 G4OAC15

    OPTO 22

    G4OAC15

    I/O MODULE, 3-AMP, 65HZ, 1 ANALOG INPUT, 1 ANALOG OUTPUT, 10.5 TO 16VDC, ROHS COMPLIANT
    ✓ IN STOCK!
    $41.00 Buy New $41.00
    $20.93
    OPTO 22 G4IDC5D

    OPTO 22

    G4IDC5D

    I/O MODULE, 2.5 TO 28 VDC INPUT, 30 MA CURRENT RATING, 1 ANALOG INPUT, 1 DIGITAL OUTPUT, 50 MA OUTPUT CURRENT
    ✓ IN STOCK!
    $35.00 Buy New $35.00
    $21.00
    OPTO 22 G4AD7

    OPTO 22

    G4AD7

    I/O MODULE, CURRENT RATING, PRODUCT RANGE, ACCESSORY TYPE ANALOGUE VOLTAGE INPUT MODULE, FOR USE WITH OPTO22 MODULAR CONTROLLERS, NO. OF ANALOG INPUTS 1, NO. OF DIGITAL OUTPUTS 1, NO. OF OUT ...
    ✓ IN STOCK!
    $460.00 Buy New $460.00
    $201.93
    Repair Yours $300.00
    OPTO 22 G4-A8R

    OPTO 22

    G4-A8R

    DISCONTINUED BY MANUFACTURER, MISTIC CONTROLLER, I/O UNIT, MODEL 200, REMOTE ANALOG, 8 CHANNELS, MULTI-FUNCTION
    ✓ IN STOCK!
    Buy Surplus As Low As $766.42
    $766.42
    Repair Yours $744.01
    OPTO 22 B6

    OPTO 22

    B6

    DISCONTINUED BY MANUFACTURER, CONTROL BOARD, 32 CHANNEL, TWO 52 PIN CONNECTORS, ANALOG I/O, OBSOLETE 16-CHANNEL ANALOG BRAIN, PAMUX PROTOCOL
    ✓ IN STOCK!
    Buy Surplus As Low As $630.00
    $630.00
    Repair Yours $540.00
    OPTO 22 B2

    OPTO 22

    B2

    DISCONTINUED BY MANUFACTURER, ANALOG BOARD, 16 CHANNEL, OPTOMUX BRAIN, FOR SERIAL NETWORKS
    ✓ IN STOCK!
    Buy Surplus As Low As $366.13
    $366.13
    Repair Yours $350.00
    OPTO 22 AC24AT

    OPTO 22

    AC24AT

    DISCONTINUED BY MANUFACTURER, COMPUTER INTERFACE CARD, 5VDC AT 250MA +/-12VDC AT 150MA, RACK MOUNTED, SERIAL PORT RS-422/485, ISOLATED ROHS COMPLIANT, BAUD RATE 38400
    ✓ IN STOCK!
    Buy Surplus As Low As $217.92
    $217.92
    Repair Yours $300.00
    OMRON FN515-CPU01-AP

    OMRON

    FN515-CPU01-AP

    CPU MODULE
    ✓ IN STOCK!
    Buy Surplus As Low As $646.80
    $646.80
    Repair Yours $536.84
    OPTO 22 001828G

    OPTO 22

    001828G

    DISCONTINUED BY MANUFACTURER, PC CONTROL BOARD, 16CHANNEL, BRAIN
    ✓ IN STOCK!
    Buy Surplus As Low As $259.85
    $259.85
    Repair Yours $300.00
    MITSUBISHI AX-71

    MITSUBISHI

    AX-71

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, INPUT POINTS: 32 POINTS., VOLTAGE: DC5/12/24V., CURRENT: 2.5/5MA., RESPONSE TIME: 3MS.
    ✓ IN STOCK!
    $2,450.00 Buy Surplus As Low As $252.05
    $252.05
    Repair Yours $300.00
    MITSUBISHI AX41C

    MITSUBISHI

    AX41C

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, 12-24 VDC, 32 POINT, 3-7 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $670.43
    $670.43
    Repair Yours $300.00
    MITSUBISHI AX11C

    MITSUBISHI

    AX11C

    DISCONTINUED BY MANUFACTURER, LOCAL INPUT UNIT, MELSEC-A SERIES, 32 DIGITAL INPUTS, 100 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $485.11
    $485.11
    Repair Yours $402.64
    MITSUBISHI A0J2-D61S1

    MITSUBISHI

    A0J2-D61S1

    DISCONTINUED BY MANUFACTURER, COUNTER MODULE, ANALOG OUTPUT, TWO CHANNEL, 64 POINT I/O, 24 BIT COUNTING RANGE, 5/12/24 VDC INPUT, SCREW DOWN TERMINATION
    ✓ IN STOCK!
    Buy Surplus As Low As $470.45
    $470.45
    Repair Yours $394.42
    MITSUBISHI AJ71E71-S3

    MITSUBISHI

    AJ71E71-S3

    DISCONTINUED BY MANUFACTURER, CONNECTION MODULE, CAT5, TCP/IP-UDP/IP, ENET10BASE
    ✓ IN STOCK!
    Buy Surplus As Low As $540.03
    $540.03
    Repair Yours $537.24
    MITSUBISHI AJ71E71B5T

    MITSUBISHI

    AJ71E71B5T

    ETHERNET CARD 10 BASE 5T
    ✓ IN STOCK!
    $2,315.00 Buy Surplus As Low As $642.19
    $642.19
    Repair Yours $561.07
    MITSUBISHI AJ61BT11

    MITSUBISHI

    AJ61BT11

    PROGRAMMABLE CONTROLLER, COMMUNICATION MODULE, CC-LINK MASTER/LOCAL
    ✓ IN STOCK!
    $882.00 Buy Surplus As Low As $235.44
    $235.44
    Repair Yours $300.00
    HUSKY 674993

    HUSKY

    674993

    DISCONTINUED BY MANUFACTURER, PC BOARD, ANALOG INPUT BOARD, WITH STATUS INDICATORS, CARD MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $964.77
    $964.77
    Repair Yours $936.57
    HEIDENHAIN CORP TNC 310

    HEIDENHAIN CORP

    TNC 310

    DISCONTINUED BY MANUFACTURER, CNC CONTROLLER, 24 VDC, 22 WATT, MONOCHROME FLAT PANEL DISPLAY, 640X480 PIXELS, 128 KB MEMORY, RS232-C/V.24 DATA INTERFACE
    ✓ IN STOCK!
    Buy Surplus As Low As $2,171.26
    $2,171.26
    Repair Yours $2,120.17
    GENERAL ELECTRIC DS3800NHVJ1A1A

    GENERAL ELECTRIC

    DS3800NHVJ1A1A

    DISCONTINUED BY MANUFACTURER, PC BOARD, HIGH VOLTAGE BOARD, RELAYS, LED INDICATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,192.55
    $1,192.55
    Repair Yours $920.00
    GENERAL ELECTRIC DS3800HIOA1B1D

    GENERAL ELECTRIC

    DS3800HIOA1B1D

    DISCONTINUED BY MANUFACTURER, PC BOARD, INPUT ISOLATOR, MICROPROCESSOR, EPROM MUDULES, 34-PIN CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $2,247.33
    $2,247.33
    Repair Yours $650.00
    FANUC A03B-0807-C002

    FANUC

    GE FANUC

    A03B-0807-C002

    DISCONTINUED BY MANUFACTURER, BACKPLANE, RACK ASSEMBLY, 5 SLOT, FOR PMC PROCESSOR I/O MODULE, (ABU05A)
    ✓ IN STOCK!
    Buy Surplus As Low As $54.60
    $54.60
    Repair Yours $300.00
    FACTS ENGINEERING FE610VAC115C

    FACTS ENGINEERING

    FE610VAC115C

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE, 16 POINT, 12/115/240 VAC UNIVERSAL OUTPUT, 1 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $143.10
    $143.10
    Repair Yours $300.00
    NIDEC CORP UD53

    NIDEC CORP

    CONTROL TECHNIQUES

    UD53

    DISCONTINUED BY MANUFACTURER, RESOLVER INTERFACE MODULE, 200 MA, 6 KHZ OUTPUT FREQUENCY, FOR UNIDRIVE, 0 TO +50 DEGREES C
    ✓ IN STOCK!
    Buy Surplus As Low As $3,120.90
    $3,120.90
    Repair Yours $990.00
    OPTO 22 G4-RAX

    OPTO 22

    G4-RAX

    DISCONTINUED BY MANUFACTURER, I/O EXPANSION BRICK, ANALOG, 8CHANNEL, 65MA, 24VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $360.00
    $360.00
    Repair Yours $300.00
    OPTO 22 G4PB24

    OPTO 22

    G4PB24

    I/O RACK, FOR USE WITH: G4 I/O MODULES, PCB TYPE: 24 CHANNEL I/O RACK, SIZE: 7.5 X 6.25 IN, THICKNESS: 2.32, ROHS COMPLIANT, YESG4PB24
    ✓ IN STOCK!
    $242.00 Buy New $242.00
    $131.04
    Repair Yours $300.00
    OPTO 22 G4ODC5R5

    OPTO 22

    G4ODC5R5

    I/O MODULE, 500MA, DRY CONTACT OUTPUT MODULE, SPST-NC, FOR USE WITH SNAP PAC SYSTEM, 1 DIGITAL OUTPUT, 1 OUTPUT, OUTPUT CURRENT 0.5AG4ODC5R5
    ✓ IN STOCK!
    $87.20 Buy New $87.20
    $52.32
    Repair Yours $300.00
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