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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 151-200 of 500.
    BANNER ENGINEERING IMTAP.753P

    BANNER ENGINEERING

    IMTAP.753P

    SENSOR, FIBER OPTIC, OPPOSED MODE, INDIVIDUAL GLASS FIBER, 36 " LONG, 1.2 MM DIAMETER BUNDLE, PVC SHEATH, MINIATURE THREAD, RIGHT ANGLE, 21074
    ✓ IN STOCK!
    $163.00 Buy Surplus As Low As $90.90
    $90.90
    BANNER ENGINEERING IMM.442P

    BANNER ENGINEERING

    IMM.442P

    DISCONTINUED BY MANUFACTURER, FIBER OPTIC SENSOR, HIGH TEMPERATURE, GLASS TYPE, ROUND HOUSING, REFLECTIVE, IN-LINE EXIT, 0.61 METER LENGTH, (21069)
    ✓ IN STOCK!
    Buy Surplus As Low As $82.35
    $82.35
    BANNER ENGINEERING IF23S

    BANNER ENGINEERING

    IF23S

    FIBER OPTIC CABLE, OPPOSED MODE, GLASS, 36 INCH LENGTH, 0.125 DIAMETER BUNDLE, STAINLESS STEEL SHEATH, 0.5 LENGTH FERRULED SENSING TIP, 17317
    ✓ IN STOCK!
    $157.50 Buy Surplus As Low As $94.50
    $94.50
    BANNER ENGINEERING IAT23S

    BANNER ENGINEERING

    IAT23S

    CABLE, OPPOSED MODE INDIVIDUAL, GLASS FIBER OPTIC CABLE, 36 INCHES LONG, 0.125 DIAMETER BUNDLE, STAINLESS STEEL SHEATH, RIGHT ANGLE THREADED SENSING TIP, 17307, ROHS COMPLIANT
    ✓ IN STOCK!
    $203.75 Buy Surplus As Low As $122.25
    $122.25
    BANNER ENGINEERING IAM.752P

    BANNER ENGINEERING

    IAM.752P

    17837 - FIBER OPTIC SENSOR - INDIVIDUAL FIBER - (FIBER SENSORS - GLASS FIBER SERIES), 2FT / 610MM LENGTH - CYLINDRICAL (SMOOTH) PROBE TIP SHAPE - STAINLESS STEEL SENSING END / GLASS FIBER / ...
    ✓ IN STOCK!
    $153.00 Buy Surplus As Low As $92.00
    $92.00
    BANNER ENGINEERING IA2.7S

    BANNER ENGINEERING

    IA2.7S

    CABLE, FIBER OPTIC, ANGLED, 4.8MM SENSOR END, SS MONOCOIL SHEATHING, (17827)
    ✓ IN STOCK!
    $171.25 Buy Surplus As Low As $130.15
    $130.15
    ANCHOR SCIENTIFIC PM30-NC-RED

    ANCHOR SCIENTIFIC

    PM30-NC-RED

    FLOAT SWITCH, 4.5 INCH PIPE, W0 MOUNT TYPE, NC, RED
    ✓ IN STOCK!
    $77.52 Buy Surplus As Low As $32.32
    $32.32
    ALLEN BRADLEY 872C-DH1NP8-E2

    ALLEN BRADLEY

    PHOTOSWITCH

    872C-DH1NP8-E2

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, 10-30 VDC OPERATING VOLTAGE, 20 MA LOAD CURRENT, NORMALLY OPEN OUTPUT, SOURCE, SHIELDED, 1.55 MM SENSING DISTANCE
    ✓ IN STOCK!
    Buy Surplus As Low As $72.64
    $72.64
    ALLEN BRADLEY 871T-R5J18

    ALLEN BRADLEY

    871T-R5J18

    DISCONTINUED BY MANUFACTURER, SENSOR, INDUCTIVE, DC, THREADED BARREL, STAINLESS STEEL BARREL, STAINLESS STEEL FACE, 3 WIRE, 18 MM DIAMETER, SHIELDED, NPN, MINI QD
    ✓ IN STOCK!
    Buy Surplus As Low As $154.84
    $154.84
    ALLEN BRADLEY 871T-R2A12

    ALLEN BRADLEY

    871T-R2A12

    INDUCTIVE SENSOR, PLASTIC FACE, THREADED STAINLESS STEEL BARREL, 12MM BARREL DIAMETER, 2MM SENSING DISTANCE, SHIELDED, N.O., NPN, 3 WIRE DC
    ✓ IN STOCK!
    Buy Surplus As Low As $132.41
    $132.41
    ALLEN BRADLEY 871TM-DH5NE18-N4

    ALLEN BRADLEY

    871TM-DH5NE18-N4

    INDUCTIVE SENSOR, METAL FACE, SHORT BARREL, 18 MM BARREL DIAMETER, DC, 5 MM SENSING DISTANCE, NORMALLY OPEN DC, DC MINI QUICK DISCONNECT
    ✓ IN STOCK!
    Buy Surplus As Low As $108.19
    $108.19
    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 $195.00
    $195.00
    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-ATY12

    ALLEN BRADLEY

    802M-ATY12

    LIMIT SWITCH, COMPLETE, 240 VAC MAX, 5 AMP MAX, 12 FT CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $245.59
    $245.59
    ALLEN BRADLEY 802PR-LAAB1

    ALLEN BRADLEY

    802PR-LAAB1

    SENSOR, INDUCTIVE PROXIMITY, LIMIT SWITCH STYLE, HIGH - NORMALLY OPEN OUTPUT, 102-132V AC, AC, 13 MM SENSING RANGE, SIDE SENSING, 2 WIRE, 1/2 IN.-14 NPT CONDUIT, SHIELDED
    ✓ IN STOCK!
    Buy Surplus As Low As $357.08
    $357.08
    ALLEN BRADLEY 801-ASD17

    ALLEN BRADLEY

    801-ASD17

    GENERAL PURPOSE LIMIT SWITCH,NEMA 2 HOUSING STYLE,ROLLER LEVER,DUAL POSITION OPERATION,SLOW ACTION SPRING RETURN,NEMA 1 ENCLOSURE,17,10.0N (2.25 LBS),SPRING RETURN,55 DEGREES (SEQUENTIAL),14 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $838.41
    $838.41
    Repair Yours $695.88
    ALLEN BRADLEY 1485K-P1F5-V5

    ALLEN BRADLEY

    1485K-P1F5-V5

    DEVICENET PHYSICAL MEDIA,KWIKLINK CORDSET - PVC,STANDARD PASSIVE CABLE,MICRO, RIGHT ANGLE FEMALE,STANDARD 5-PIN,MICRO, RIGHT ANGLE MALE,STANDARD 5-PIN,MICRO, RIGHT ANGLE MALE,MICRO, RIGHT AN ...
    ✓ IN STOCK!
    Buy Surplus As Low As $29.43
    $29.43
    ALLEN BRADLEY 1485F-P1M5-A

    ALLEN BRADLEY

    1485F-P1M5-A

    DEVICENET PHYSICAL MEDIA, DEVICENET RECEPTACLE, STANDARD PASSIVE CABLE, STANDARD 5-PIN, MINI, STRAIGHT MALE, CABLE, THICK GREY PVC, STANDARD - EPOXY COATED ZINC
    ✓ IN STOCK!
    Buy Surplus As Low As $72.76
    $72.76
    BANNER ENGINEERING MPC3

    BANNER ENGINEERING

    MPC3

    MICRO-AMP MPC3 SERIES: AMPLIFIER MODULE; RANGE: DEPENDS ON SENSOR; INPUT: 5 V DC +/- 10; OUTPUT: COMPLEMENTARY (SPDT) BUFFERED CMOS GATES; ON/OFF (NO TIMING)
    ✓ IN STOCK!
    $166.15 Buy Surplus As Low As $99.69
    $99.69
    Repair Yours $300.00
    BANNER ENGINEERING SME312FVGQD

    BANNER ENGINEERING

    SME312FVGQD

    54626 - MINI-BEAM EXPERT: VISIBLE GREEN GLASS FIBER OPTIC; RANGE: DEPENDS ON FIBER; INPUT: 10-30V DC; OUTPUT: BIPOLAR: 1 NPN; 1 PNP; QUICK-DISCONNECT CONNECTOR
    ✓ IN STOCK!
    $253.75 Buy Surplus As Low As $152.25
    $152.25
    Repair Yours $300.00
    BANNER ENGINEERING SMB900

    BANNER ENGINEERING

    SMB900

    BRACKET, RIGHT ANGLE MOUNTING, MATERIAL: SHEET STEEL WITH ZINC, PLATE CLEAR CHROMATE FINISH, CURVED MOUNTING SLOT FOR VERSATILITY/ORIENTATION, (25285)
    ✓ IN STOCK!
    $21.00 Buy Surplus As Low As $12.00
    $12.00
    BANNER ENGINEERING SMB700

    BANNER ENGINEERING

    SMB700

    MOUNTING HARDWARE BRACKET, RIGHT ANGLE MOUNTING, MATERIAL: 11 GAUGE STAINLESS STEEL, 2-AXIS MOUNTING, SUPPLIED WITH CABLE GLAND ASSEMBLY AND LOCKWASHER
    ✓ IN STOCK!
    $25.00 Buy Surplus As Low As $16.20
    $16.20
    BANNER ENGINEERING SMA91R

    BANNER ENGINEERING

    SMA91R

    RECEIVER/SCANNER, LED INDICATOR, 24-130 VAC, (25175)
    ✓ IN STOCK!
    $393.75 Buy Surplus As Low As $117.01
    $117.01
    BANNER ENGINEERING SMA91ESR

    BANNER ENGINEERING

    SMA91ESR

    25286 - VALU-BEAM: EMITTER; RANGE: 3 M; INPUT: 10-250V AC/DC; OUTPUT: NOT APPLICABLE - NO OUTPUTS; 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    $290.00 Buy Surplus As Low As $174.00
    $174.00
    Repair Yours $300.00
    BANNER ENGINEERING SMA91EQD

    BANNER ENGINEERING

    SMA91EQD

    PHOTOELETRIC SENSOR, 912 SERIES, 10 TO 250 VDC, 20 MAMP, 50/60 HZ, 200 FOOT RANGE, INFRARED, 880 NM, 3 WIRE
    ✓ IN STOCK!
    $251.00 Buy Surplus As Low As $140.14
    $140.14
    BANNER ENGINEERING SMA915LV

    BANNER ENGINEERING

    SMA915LV

    PHOTOELECTRIC SENSOR, RETROREFLECTIVE, RANGE 0.15/9 M, 90/130 VAC, OUTPUT SPDT ELECTROMECHANICAL RELAY, 2 M (6.5 FT) CABLE, (25879)
    ✓ IN STOCK!
    $375.00 Buy Surplus As Low As $225.00
    $225.00
    BANNER ENGINEERING ITA23PMSS

    BANNER ENGINEERING

    ITA23PMSS

    20066 - FIBER OPTIC SENSOR , OPPOSED MODE, SIDE/RIGHT-ANGLED SENSING TYPE, ABOUT 36 INCHES LONG, WITH INDIVIDUAL FIBERS, PVC SHEATH, AND A THREADED/ANGLED TIP
    ✓ IN STOCK!
    $256.25 Buy Surplus As Low As $169.12
    $169.12
    BANNER ENGINEERING ITA23P

    BANNER ENGINEERING

    ITA23P

    OPPOSED MODE INDIVIDUAL GLASS FIBER, 36 LONG, 0.125 DIA. BUNDLE, PVC SHEATH, THREADED & ANGLED SENSING TIP, PN 21155
    ✓ IN STOCK!
    $205.00 Buy Surplus As Low As $103.41
    $103.41
    BANNER ENGINEERING IT26S

    BANNER ENGINEERING

    IT26S

    INDIVIDUAL GLASS FIBER, OPPOSED MODE, STAINLESS STEEL SHEATH, THREADED SENSING TIP, 1.83 METER, 0.125 DIAMETER, (17360)
    ✓ IN STOCK!
    $203.75 Buy Surplus As Low As $122.25
    $122.25
    BANNER ENGINEERING IT25S

    BANNER ENGINEERING

    IT25S

    FIBER OPTIC SENSOR, FIBER, GLASS SERIES, 5FT/1.5M LENGTH, 17359
    ✓ IN STOCK!
    $177.50 Buy Surplus As Low As $50.99
    $50.99
    BANNER ENGINEERING IT23SM900

    BANNER ENGINEERING

    IT23SM900

    FIBER OPTIC CABLES, GLASS REFLECTIVE, 3 FT LENGTH, 0.125 INCH DIA, INLINE IT2 SERIES, (20028)
    ✓ IN STOCK!
    $246.25 Buy Surplus As Low As $147.75
    $147.75
    BANNER ENGINEERING IR13S

    BANNER ENGINEERING

    IR13S

    GLASS FIBER OPTICS, OPPOSED, 3.9 MM ARRAY LENGTH, 1.6 MM CORE DIAMETER, 0.914 M FIBER LENGTH, STAINLESS STEEL MONOCOIL JACKET, (20046)
    ✓ IN STOCK!
    $216.25 Buy Surplus As Low As $129.75
    $129.75
    BANNER ENGINEERING IP13S

    BANNER ENGINEERING

    IP13S

    FIBER OPTIC CABLE, OPPOSED MODE, INDIVIDUAL GLASS FIBER, 36IN LONG, 0.062 DIA. BUNDLE, STAINLESS STEEL SHEATH, BENDABLE PROBE SENSING TIP
    ✓ IN STOCK!
    $154.47 Buy Surplus As Low As $92.68
    $92.68
    BANNER ENGINEERING IP12S

    BANNER ENGINEERING

    IP12S

    FIBER IP12S
    ✓ IN STOCK!
    $99.00 Buy Surplus As Low As $40.27
    $40.27
    BANNER ENGINEERING IF13S

    BANNER ENGINEERING

    IF13S

    FIBER OPTIC SENSOR, FIBER OPTIC TYPE: GLASS, SENSING MODE: OPPOSED, REFLECTIVE, BEAM EXIT: IN-LINE, STAINLESS STEEL SHEATH, FIBER LENGTH: 0.914M
    ✓ IN STOCK!
    $157.50 Buy Surplus As Low As $80.80
    $80.80
    BANNER ENGINEERING IATR.753S

    BANNER ENGINEERING

    IATR.753S

    FIBER OPTIC CABLE, PLASTIC FIBER, 90 DEGREE, DIFFUSE, 2 METER LENGTH
    ✓ IN STOCK!
    $225.00 Buy Surplus As Low As $109.08
    $109.08
    BANNER ENGINEERING IAT13S

    BANNER ENGINEERING

    IAT13S

    17913 - OPPOSED MODE INDIVIDUAL GLASS FIBER 36 LONG; 0.062 DIA. BUNDLE; STAINLESS STEEL SHEATH; RIGHT ANGLE THREADED SENSING TIP
    ✓ IN STOCK!
    $203.75 Buy Surplus As Low As $122.25
    $122.25
    BANNER ENGINEERING IAR.753SMTAMRA

    BANNER ENGINEERING

    IAR.753SMTAMRA

    21354 - FIBER OPTIC SENSOR IAR.753SMTAMRA
    ✓ IN STOCK!
    $230.00 Buy Surplus As Low As $138.00
    $138.00
    BANNER ENGINEERING IA23S

    BANNER ENGINEERING

    IA23S

    FIBER OPTIC CABLE, OPPOSED MODE, INDIVIDUAL GLASS FIBER 36 LONG, 0.125 DIAMETER, STAINLESS STEEL SHEATH, RIGHT ANGLE SENSING TIP, (17299)
    ✓ IN STOCK!
    $171.25 Buy Surplus As Low As $102.75
    $102.75
    BANNER ENGINEERING IA23P

    BANNER ENGINEERING

    IA23P

    FIBER OPTIC SENSOR, 0.125 DIA. BUNDLE, PVC SHEATH, RIGHT ANGLE SENSING TIP, 17298
    ✓ IN STOCK!
    $171.25 Buy Surplus As Low As $102.75
    $102.75
    BANNER ENGINEERING Q45ULIU64BCRQ

    BANNER ENGINEERING

    Q45ULIU64BCRQ

    PROXIMITY SENSOR, Q45U SERIES, ULTRASONIC, RECTANGULAR, DIFFUSE, ANALOG OUTPUT, LED INDICATOR, 15/24 VDC SUPPLY, 0-10 V/4-20 MA ANALOG OUTPUT, MINI-STYLE QUICK-DISCONNECT, 7/8 INCH CONNECTOR ...
    ✓ IN STOCK!
    $1,020.00 Buy Surplus As Low As $612.00
    $612.00
    BANNER ENGINEERING Q45BW22D

    BANNER ENGINEERING

    Q45BW22D

    SENSOR, Q45 SERIES: DIFFUSE, RANGE 450 MM, INPUT 90-250 VAC, OUTPUT SPST SOLID-STATE RELAY, 2 M (6.5 FT) CABLE, (36838)
    ✓ IN STOCK!
    $250.00 Buy Surplus As Low As $150.00
    $150.00
    BANNER ENGINEERING Q45BB6RQ5

    BANNER ENGINEERING

    Q45BB6RQ5

    RECEIVER, RANGE: 60 M, INPUT: 10-30 VDC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, EURO M12 4-PIN INTEGRAL QD, (38660)
    ✓ IN STOCK!
    $182.50 Buy Surplus As Low As $109.50
    $109.50
    BANNER ENGINEERING Q453E

    BANNER ENGINEERING

    Q453E

    SENSOR, 53994 - Q45 SERIES: EMITTER, RANGE: 60 M, INPUT: 12-250V DC / 24-250V AC, OUTPUT: NOT APPLICABLE - NO OUTPUTS, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    $155.00 Buy Surplus As Low As $93.00
    $93.00
    Repair Yours $300.00
    BANNER ENGINEERING Q40AW3FF400Q1

    BANNER ENGINEERING

    Q40AW3FF400Q1

    EZ-BEAM Q40 SERIES: FIXED FIELD, RANGE: 400 MM, INPUT: 20-250 VAC, OUTPUT: SPST SOLID-STATE LIGHT OPERATE, MICRO 4-PIN INTEGRAL QD, (33387)
    ✓ IN STOCK!
    $268.75 Buy Surplus As Low As $161.25
    $161.25
    BANNER ENGINEERING LR300

    BANNER ENGINEERING

    LR300

    26542 - REMOTE SENSOR: EMITTER; RANGE: 2.4 M ; USE AMPS: MICRO: MA3-4 MA3-4P; MAXI: CM SERIES; 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    $103.60 Buy Surplus As Low As $63.00
    $63.00
    Repair Yours $300.00
    BANNER ENGINEERING IA13SMTA

    BANNER ENGINEERING

    IA13SMTA

    FIBER OPTIC CABLE, OPPOSED MODE, 36 IN LONG, 0.062 IN DIA., STAINLESS STEEL SHEATH, (21196)
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $124.50
    $124.50
    ALLEN BRADLEY 873P-DCAC1S-D5

    ALLEN BRADLEY

    PHOTOSWITCH

    873P-DCAC1S-D5

    DISCONTINUED BY MANUFACTURER, 06/30/2014,ULTRASONIC SENSOR , DC, M30, PROGRAMMABLE, 1500MM, 2 X PNP, 4-20MA, MICRO QD
    ✓ IN STOCK!
    Buy Surplus As Low As $625.19
    $625.19
    ALLEN BRADLEY 872C-D3NE12-A2

    ALLEN BRADLEY

    872C-D3NE12-A2

    PROXIMITY SENSOR, 2-WIRE DC, 12MM DIAMETER, TUBULAR:NICKEL PLATED BRASS, 3 MM SENSING DISTANCE, SHIELDED, N.O., SINK (NPN) OR SOURCE (PNP), PVC CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $68.98
    $68.98
    BANNER ENGINEERING LP510CV

    BANNER ENGINEERING

    LP510CV

    LP510CV SCANNER, PART # 16306
    ✓ IN STOCK!
    Buy Surplus As Low As $73.13
    $73.13
    Repair Yours $300.00
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