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    Precision Industrial Sensors & Switches

    Ensure accurate monitoring and control with fiber optic, humidity, and flow sensors, tailored for precise measurement and enhanced automation reliability.

    Optimize your industrial processes with our cutting-edge sensors and switches. Our comprehensive range features fiber optic cables, oxygen sensors, humidity sensors/transmitters, flow meters, and microswitches/miniature switches to meet your diverse sensing and switching needs. Whether you're optimizing industrial processes, monitoring environmental conditions, or enhancing automation systems, our sensors and switches provide the precision and reliability you need for seamless operations and data-driven decision making. Shop now for cutting-edge sensors and switches 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.

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    Results 51-100 of 664.
    AMETEK 1989-CA-16-R-12-S-E-M

    AMETEK

    1989-CA-16-R-12-S-E-M

    DISCONTINUED BY MANUFACTURER, GEMCO QUIK-SET III, MULTI-PROGRAM SYSTEM, CPU CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,824.53
    $1,824.53
    Repair Yours $1,811.43
    PEPPERL & FUCHS OBD30M-R2000-1L-Y295507

    PEPPERL & FUCHS

    OBD30M-R2000-1L-Y295507

    PHOTOELECTRIC SENSOR, 10-30VDC, 100MA, 4INPUT/ OUTPUT, 4 FREELY PROGRAMMABLE MONITORING FIELDS
    ✓ IN STOCK!
    $5,610.00 Buy Surplus As Low As $4,264.00
    $4,264.00
    Repair Yours $2,794.00
    TURCK RJ45S RJ45S 845-20M

    TURCK

    RJ45S RJ45S 845-20M

    U-83358, DOUBLE-ENDED CORDSET, 8 PIN, 1.5 AMP, 42 V, MALE TO MALE RJ45 CONNECTORS, STRAIGHT, 20 M CABLE LENGTH, (U-83358) , RJ45S RJ45S 845-20M
    ✓ IN STOCK!
    $818.00 Buy New $818.00
    $622.00
    SIEMENS LXV401.99.30001

    SIEMENS

    LXV401.99.30001

    DISCONTINUED BY MANUFACTURER, CONTROLLER ANALYZER, SC100, 100-230 VAC, 15-37W, 5 AMP, TYPE 4X ENCLOSURE, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $1,470.00
    $1,470.00
    Repair Yours $1,250.00
    EXERGEN IRT/C.03-J-140F/60C

    EXERGEN

    IRT/C.03-J-140F/60C

    DISCONTINUED BY MANUFACTURER, ABS HOUSING; 3:1 FOV; LIGHT DUTY MODEL WITH NYLON LOCKNUTS; *JKTE
    ✓ IN STOCK!
    Buy Surplus As Low As $536.80
    $536.80
    X-RITE 414

    X-RITE

    414

    DISCONTINUED BY MANUFACTURER, DENSITOMETER, COLOR REFLECTION, ONE STEP CALIBRATION, AUTOMATIC ON/SHUT-OFF, NON VOLATILE MEMORY, LCD DISPLAY, RS-232
    ✓ IN STOCK!
    Buy Surplus As Low As $1,200.00
    $1,200.00
    Repair Yours $1,000.00
    AVG AUTOMATION DM7-01T00-010

    AVG AUTOMATION

    AUTOTECH

    DM7-01T00-010

    RESOLVER DECODER, PROGRAMMABLE, LED, SINGLE TURN, SINGLE CHANNEL, 120 VAC, 60 HZ, TTL 5 V LOGIC WITH MULTIPLEXING
    ✓ IN STOCK!
    $2,749.50 Buy Surplus As Low As $1,015.55
    $1,015.55
    Repair Yours $845.02
    PARKER 71-015531-25

    PARKER

    SSD DRIVES

    71-015531-25

    CABLE, MS14-12 CONNECTOR, 25 FEET, ROTARY
    ✓ IN STOCK!
    $2,107.00 Buy New $2,107.00
    $1,361.70
    EMERSON 3051 CG5A02A1AS5E5M5T1

    EMERSON

    FISHER ROSEMOUNT

    3051 CG5A02A1AS5E5M5T1

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, 10.5-55 VDC, 0-2000 PSIG, 4-20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $1,036.49
    $1,036.49
    Repair Yours $977.60
    EMERSON 3051S1CD3A2A11A1AE5M5Q4T1

    EMERSON

    FISHER ROSEMOUNT

    3051S1CD3A2A11A1AE5M5Q4T1

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, 0-36 PSI, 10.5-42.4 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,157.32
    $1,157.32
    Repair Yours $1,263.38
    HONEYWELL APT4000TC

    HONEYWELL

    APT4000TC

    DISCONTINUED BY MANUFACTURER, PH TRANSMITTER, PROCESS ANALYZER, PH/ORP, 4 WIRE, 20-253 V AC/DC, 45-65 HZ, 1.5 W
    ✓ IN STOCK!
    Buy Surplus As Low As $784.18
    $784.18
    Repair Yours $723.19
    YASKAWA ELECTRIC SGDV-280D01A

    YASKAWA ELECTRIC

    SGDV-280D01A

    SERVO DRIVE, 3 PHASE, 400V, 7.5KW, SERVOPACK, SIGMA V
    ✓ IN STOCK!
    $4,231.25 Buy Surplus As Low As $1,743.84
    $1,743.84
    Repair Yours $1,286.57
    ENDRESS & HAUSER FDU91F-RG3A

    ENDRESS & HAUSER

    FDU91F-RG3A

    ULTRASONIC SENSOR, 0.7-4 BAR, 10-58PSI, IP68, NEMA6P
    ✓ IN STOCK!
    $2,261.86 Buy Surplus As Low As $815.20
    $815.20
    Repair Yours $601.43
    EMERSON 2120F2GK1I1AM0300Q4Q8R2709

    EMERSON

    FISHER ROSEMOUNT

    2120F2GK1I1AM0300Q4Q8R2709

    LEVEL SWITCH, VIBRATING FORK, 15 V, 32 MA, 0.1 WATT, 12 NF, 0.06 MH, ECTFE COPOLYMER, COATED 316/316L SST (1.4401/1.4404), 2 INCH ASME B16.5 CLASS 150 RAISED FACE (RF) FLANGE, NAMUR, ATEX IN ...
    ✓ IN STOCK!
    $3,762.63 Buy Surplus As Low As $1,065.74
    $1,065.74
    Repair Yours $982.84
    T&R ELECTRONIC CE65M24PARCV00020

    T&R ELECTRONIC

    TR ELECTRONIC

    CE65M24PARCV00020

    DISCONTINUED BY MANUFACTURER, INCREMENTAL ENCODER, 102/E INTERFACE, 19 BIT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,042.31
    $1,042.31
    Repair Yours $865.12
    ASEA BROWN BOVERI 50SM1309CCG20ABHC2

    ASEA BROWN BOVERI

    FISCHER & PORTER

    50SM1309CCG20ABHC2

    DISCONTINUED BY MANUFACTURER, MAGNETIC FLOW METER SIGNAL CONVERTER, 120V, 50VA MAX, OUTPUT 4-20 MADC, 60HZ, CSA ENCLOSURE 4
    ✓ IN STOCK!
    Buy Surplus As Low As $1,141.81
    $1,141.81
    Repair Yours $947.71
    ENDRESS & HAUSER PMD75-ACA7DB1BAAA

    ENDRESS & HAUSER

    PMD75-ACA7DB1BAAA

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, 160 BAR, 11.5, 45VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $736.81
    $736.81
    Repair Yours $717.26
    ASCO 88144225

    ASCO

    JOUCOMATIC

    88144225

    DISCONTINUED BY MANUFACTURER, COMPACT MAGNETIC POSITION DETECTOR, 2M CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $36.69
    $36.69
    NORGREN M/128/P

    NORGREN

    M/128/P

    DISCONTINUED BY MANUFACTURER, SOLID STATE SENSOR + LED, 3 PIN
    ✓ IN STOCK!
    Buy Surplus As Low As $102.70
    $102.70
    BAUMER ELECTRIC IFR 08.26.25/K840

    BAUMER ELECTRIC

    IFR 08.26.25/K840

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, 10-30VDC, 2 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $49.45
    $49.45
    INVENSYS 841AX-CI1

    INVENSYS

    FOXBORO

    841AX-CI1

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, 12.5 - 36 VDC, 4 MA = 5, 20 MA = 20 BAR ABS, 20 BAR
    ✓ IN STOCK!
    Buy Surplus As Low As $172.63
    $172.63
    ALLEN BRADLEY 802M-ATY12

    ALLEN BRADLEY

    802M-ATY12

    LIMIT SWITCH, COMPLETE, 240 VAC MAX, 5 AMP MAX, 12 FT CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $265.61
    $265.61
    ALLEN BRADLEY 801-ASC1411

    ALLEN BRADLEY

    801-ASC1411

    GENERAL PURPOSE LIMIT SWITCH,NEMA 10 HOUSING STYLE,ROLLER LEVER,1 NOC & 3 NCC,SLOW ACTION SPRING RETURN,NEMA 4 ENCLOSURE,1411,27.81N (6.25 LBS),SPRING RETURN,4 DEGREES,26 DEGREES
    ✓ IN STOCK!
    Buy Surplus As Low As $410.04
    $410.04
    Repair Yours $378.15
    TRANSMETRICS P115CBA

    TRANSMETRICS

    P115CBA

    TRANSMETRICS , P115CBA, P115CBA, PRESSURE TRANSDUCER, 0-1500PSIG, 9-28VDC
    ✓ IN STOCK!
    $50.15 Buy Surplus As Low As $38.57
    $38.57
    OMEGA ENGINEERING LV-51

    OMEGA ENGINEERING

    LV-51

    DISCONTINUED BY MANUFACTURER, LEVEL SWITCH, STAINLESS STEEL LIQUID
    ✓ IN STOCK!
    Buy Surplus As Low As $166.67
    $166.67
    HONEYWELL 1EN1-10

    HONEYWELL

    MICROSWITCH

    1EN1-10

    MICROSWITCH , 1EN1-10, 1EN110, LIMIT SWITCH, PLUNGER TYPE, 6WIRE LEAD,
    ✓ IN STOCK!
    $332.29 Buy Surplus As Low As $134.36
    $134.36
    Repair Yours $300.00
    SEW EURODRIVE 18254551

    SEW EURODRIVE

    18254551

    ENCODER, SENSOR, MODULE, DR 71, EI7
    ✓ IN STOCK!
    $665.00 Buy Surplus As Low As $375.72
    $375.72
    BANNER ENGINEERING MA5-31347

    BANNER ENGINEERING

    MA5-31347

    DISCONTINUED BY MANUFACTURER, PLUG-IN AMPLIFIER, DELAY OF .001 TO .1 SECOND, (31347)
    ✓ IN STOCK!
    Buy Surplus As Low As $243.29
    $243.29
    BANNER ENGINEERING MA5

    BANNER ENGINEERING

    MA5

    DISCONTINUED BY MANUFACTURER, MICRO-AMP, LOGIC MODULE, INPUT 10-30V DC, OUTPUT COMPLEMENTARY (SPDT) NPN, ON AND OFF DELAY, (25483)
    ✓ IN STOCK!
    Buy Surplus As Low As $262.65
    $262.65
    BANNER ENGINEERING M18SP6DQ

    BANNER ENGINEERING

    M18SP6DQ

    BARREL MOUNTED PROXIMITY SENSOR, M18 SERIES, 10-30 VDC, 18 MM DIA., 4 PIN, PNP, 100 MM RANGE, DISCREET IN/OUTPUT, EURO M12 QUICK DISCONNECT TYPE, INFRARED LED BEAM, (48663)
    ✓ IN STOCK!
    $148.00 Buy Surplus As Low As $93.00
    $93.00
    BANNER ENGINEERING M18SN6DLQ

    BANNER ENGINEERING

    M18SN6DLQ

    PHOTOELECTRIC SENSOR, M18 SERIES, INFRARED, 880 NM, 300 MM RANGE, 4-PIN M12 / EURO-STYLE QD, NPN OUTPUT TYPE
    ✓ IN STOCK!
    $149.00 Buy Surplus As Low As $94.50
    $94.50
    ALLEN BRADLEY 889R-F6ECRM-1

    ALLEN BRADLEY

    889R-F6ECRM-1

    AC MICRO CABLE, FEMALE, STRAIGHT (INT THREADS), FEMALE, STRAIGHT (INT THREADS), 6 PINS, AC MICRO, MALE, STRAIGHT (EXT. THREADS), STRAIGHT, MALE(EXT. THREADS), AC MICRO (DUAL KEY), SAME AS FI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $133.97
    $133.97
    ALLEN BRADLEY 802T-H2P1

    ALLEN BRADLEY

    802T-H2P1

    LIMIT SWITCH WITHOUT BASE,LIMIT SWITCH, NEMA TYPE 4 AND 13 OILTIGHT CONSTRUCTION, PLUG-IN, LEVER TYPE, SPRING RETURN, HIGH OPERATING TORQUE, 2-CIRCUIT, CCW OPERATION ONLY, LEVER CAN BE MOVED ...
    ✓ IN STOCK!
    Buy Surplus As Low As $121.50
    $121.50
    Repair Yours $300.00
    ALLEN BRADLEY 802T-CMN

    ALLEN BRADLEY

    802T-CMN

    LIMIT SWITCH, NEMA TYPE 4 AND 13 OILTIGHT CONSTRUCTION, NON-PLUG-IN, SIDE PUSH ROD, MAINTAINED CONTACT, 2-CIRCUIT, WHOLE SWITCH, 120V AC INDICATING LIGHT
    ✓ IN STOCK!
    Buy Surplus As Low As $174.52
    $174.52
    ALLEN BRADLEY 802T-BE

    ALLEN BRADLEY

    802T-BE

    LIMIT SWITCH, NEMA TYPE 4 AND 13 OILTIGHT CONSTRUCTION, NON-PLUG-IN, TOP PUSH ROD, 2-CIRCUIT, WHOLE SWITCH, EXTENDED TEMPERATURE OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As $181.48
    $181.48
    GENERAL ELECTRIC 68A997169A02

    GENERAL ELECTRIC

    68A997169A02

    DISCONTINUED BY MANUFACTURER, REED RELAY, 10 VA, 28 VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $12.32
    $12.32
    DINEL AFP-C0-966-S

    DINEL

    AFP-C0-966-S

    FIBRE OPTIC SENSOR, 10-30V DC INPUT
    ✓ IN STOCK!
    $47.00 Buy Surplus As Low As $29.00
    $29.00
    ALLEN BRADLEY 802M-NPX

    ALLEN BRADLEY

    802M-NPX

    SEALED LIMIT SWITCH, HEAD ONLY, ROTARY LEVER NEUTRAL POSITION, CW AND CCW OPERATION, OPERATING HEAD ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $200.85
    $200.85
    ALLEN BRADLEY 802M-KJ1

    ALLEN BRADLEY

    802M-KJ1

    SEALED LIMIT SWITCH, COMPLETE SWITCH, PUSH, VERTICAL SIDE PUSH ROLLER, 2 CIRCUIT, MINI QUICK DISCONNECT, 5 PIN MINI TYPE (J1 WIRING), STANDARD, 4 CIRCUIT NEUTRAL, STANDARD BODY, ROLLER TYPE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $163.11
    $163.11
    ALLEN BRADLEY 802M-DJ1

    ALLEN BRADLEY

    802M-DJ1

    DISCONTINUED BY MANUFACTURER, LIMIT SWITCH, 10AMP, 600VAC MAX, TOP PUSH ROLLER, 9PIN RECEPTACLE, NO INDICATING LIGHT, 2CIRCUIT
    ✓ IN STOCK!
    Buy Surplus As Low As $226.23
    $226.23
    Repair Yours $300.00
    BANNER ENGINEERING SMA915DJQD-28406

    BANNER ENGINEERING

    SMA915DJQD-28406

    PHOTOELECTRIC SENSOR, VALU BEAM, 915 SERIES, DIFFUSED, 760 MM RANGE, 5 AMP, 90/130 VAC, 50/60 HZ, 3 VA, SPDT, 5 PIN, (28406)
    ✓ IN STOCK!
    $361.20 Buy Surplus As Low As $246.49
    $246.49
    BANNER ENGINEERING SMA912LVQD

    BANNER ENGINEERING

    SMA912LVQD

    RETROREFLECTIVE SENSOR, VALU-BEAM SERIES, 9 M RANGE, 130 VAC, 500 MA, THREADED MOUNT
    ✓ IN STOCK!
    $426.30 Buy Surplus As Low As $282.43
    $282.43
    BANNER ENGINEERING S18SP6FF100

    BANNER ENGINEERING

    S18SP6FF100

    PHOTOELECTRIC SENSOR, S18 SERIES, EPOXY ENCAPSULATED, BARREL-MOUNT, EZ-BEAM, 10-30 VDC, FIXED FIELD, 2 METER CABLE, COMPLIMENTARY PNP OUTPUT, 100 MM SENSING RANGE, (30326)
    ✓ IN STOCK!
    $184.80 Buy Surplus As Low As $125.21
    $125.21
    Repair Yours $300.00
    BANNER ENGINEERING S18SP6DQ

    BANNER ENGINEERING

    S18SP6DQ

    PHOTOELECTRIC SENSOR, S18 SERIES, EPOXY ENCAPSULATED, BARREL-MOUNT, EZ-BEAM, DIFFUSE, 10-30 VDC, 9 METER CABLE LENGTH, COMPLEMENTARY PNP OUTPUT, 100 MM MAX SENSING DISTANCE, M12 4-PIN, INTEG ...
    ✓ IN STOCK!
    $95.00 Buy Surplus As Low As $60.00
    $60.00
    BANNER ENGINEERING S18SN6L

    BANNER ENGINEERING

    S18SN6L

    PHOTOELECTRIC SENSOR, EZ-BEAM, S18 SERIES, RETROREFLECTIVE, INPUT: 10-30 VDC OUTPUT, NPN COMPLEMENTARY, 4 PIN, LED INDICATOR, ACRYLIC LENS MATERIAL, BARREL HOUSING, 2 METER/6.5 FT CABLE LENG ...
    ✓ IN STOCK!
    $89.00 Buy Surplus As Low As $55.50
    $55.50
    BANNER ENGINEERING S18SN6FF50Q

    BANNER ENGINEERING

    S18SN6FF50Q

    PHOTOELECTRIC SENSOR, EZ-BEAM S18 SERIES: FIXED FIELD, RANGE: 50 MM, INPUT: 10-30 VDC, OUTPUT: COMPLEMENTARY NPN, EURO M12 4-PIN INTEGRAL QD, (30867)
    ✓ IN STOCK!
    $184.80 Buy Surplus As Low As $138.60
    $138.60
    Repair Yours $300.00
    BANNER ENGINEERING S18AW3FF100Q1

    BANNER ENGINEERING

    S18AW3FF100Q1

    ENCAPSULATED SENSOR, BARREL-MOUNT, EZ-BEAM, S18 SERIES, FIXED FIELD, 100 MM RANGE, INPUT: 20-250 VAC, SOLID-STATE LIGHT OPERATE, MICRO, 4-PIN QUICK DISCONNECT CONNECTOR, (33691)
    ✓ IN STOCK!
    $222.60 Buy Surplus As Low As $156.16
    $156.16
    BANNER ENGINEERING S18AW3FF100Q

    BANNER ENGINEERING

    S18AW3FF100Q

    30886 - EZ-BEAM S18 SERIES: FIXED FIELD; RANGE: 100 MM; INPUT: 20-250V AC; OUTPUT: SPST SOLID-STATE LIGHT OPERATE; MICRO 5-PIN QUICK DISCONNECT CONNECTOR
    ✓ IN STOCK!
    $222.60 Buy Surplus As Low As $130.52
    $130.52
    Repair Yours $300.00
    BANNER ENGINEERING S18AW3FF100

    BANNER ENGINEERING

    S18AW3FF100

    PROXIMITY SENSOR, S18 SERIES FIXED FIELD, EZ-BEAM, 100 MM RANGE, 20-250 VAC INPUT, SPST SOLID-STATE OUTPUT, LIGHT OPERATE, 2 METER (6.5 FOOT) CABLE, M18 - 3 PIN ELECTRICAL TERMINATION, IP67 ...
    ✓ IN STOCK!
    $222.60 Buy Surplus As Low As $158.60
    $158.60
    Repair Yours $300.00
    BANNER ENGINEERING S186ELD

    BANNER ENGINEERING

    S186ELD

    LASER: EMITTER, RANGE: DEPENDS ON RECEIVER, INPUT: 10-30 VDC, OUTPUT: NOT APPLICABLE, 2 M (6.5 FT) CABLE, (31407)
    ✓ IN STOCK!
    $358.05 Buy Surplus As Low As $243.34
    $243.34
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