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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 301-350 of 500.
    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 IP12S

    BANNER ENGINEERING

    IP12S

    FIBER IP12S
    ✓ IN STOCK!
    $99.00 Buy Surplus As Low As $40.27
    $40.27
    BANNER ENGINEERING D12SP6FVQ

    BANNER ENGINEERING

    D12SP6FVQ

    PHOTOELECTRIC SENSOR, D12 SERIES, GLASS FIBER OPTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: COMPLEMENTARY PNP, 6 IN PIGTAIL QUICK-DISCONNECT CONNECTOR, (33715)
    ✓ IN STOCK!
    $357.50 Buy Surplus As Low As $214.50
    $214.50
    Repair Yours $300.00
    BANNER ENGINEERING SM51EB6

    BANNER ENGINEERING

    SM51EB6

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC, HI-POWER EMITTER, 10-30VDC, 2M CABLE, (18587)
    ✓ IN STOCK!
    Buy Surplus As Low As $93.32
    $93.32
    BANNER ENGINEERING SM512LB

    BANNER ENGINEERING

    SM512LB

    DISCONTINUED BY MANUFACTURER, SCANNER, LED SCANNER, 10-30 VDC, 1NO/1NC, (18589)
    ✓ IN STOCK!
    Buy Surplus As Low As $168.00
    $168.00
    BANNER ENGINEERING SM31RMHSQD

    BANNER ENGINEERING

    SM31RMHSQD

    29269 - MINI-BEAM: HIGH SPEED RECEIVER; INPUT: 10-30V DC; OUTPUT: BIPOLAR: 1 NPN; 1 PNP; MHS RESPONSE TIME =0.3 MILLISECOND; QD CONNECTOR
    ✓ IN STOCK!
    $176.25 Buy Surplus As Low As $133.95
    $133.95
    Repair Yours $300.00
    BANNER ENGINEERING SM31RLQD

    BANNER ENGINEERING

    SM31RLQD

    PHOTOELECTRIC,MINI-BEAM RECEIVER, RANGE 30 M, INPUT 10-30 V DC, OUTPUT BIPOLAR, 1 NPN, 1 PNP, EURO M12 4-PIN CONNECTOR
    ✓ IN STOCK!
    $176.25 Buy Surplus As Low As $133.95
    $133.95
    BANNER ENGINEERING SM31RF

    BANNER ENGINEERING

    SM31RF

    MINIBEAM SCANNER, SM31R SERIES, W/ FIBER BLOCK, (25997)
    ✓ IN STOCK!
    $176.25 Buy Surplus As Low As $82.68
    $82.68
    BANNER ENGINEERING SM31ELQD

    BANNER ENGINEERING

    SM31ELQD

    PHOTOELECTRIC SENSOR, MINI-BEAM SERIES, THROUGH BEAM EMITTER, 30 METER RANGE, 10-30 VDC INPUT, NO OUTPUTS, EURO M12 4-PIN INTEGRAL QD CONNECTOR, M18 MOUNTING THREAD, IP67 ENCLOSURE, (26952)
    ✓ IN STOCK!
    $123.75 Buy Surplus As Low As $94.05
    $94.05
    BANNER ENGINEERING SM31EL

    BANNER ENGINEERING

    SM31EL

    PHOTOELECTRIC SENSOR, MINI-BEAM SERIES, EMITTER SENSING MODE, 30 METER RANGE, 10-30 VDC INPUT, 2 METER CABLE, 70 CELSIUS MAX OPERATING TEMPERATURE, 2 PIN, ACRYLIC LENS MATERIAL, 12 MM BARREL ...
    ✓ IN STOCK!
    $123.75 Buy Surplus As Low As $74.25
    $74.25
    BANNER ENGINEERING SM312W

    BANNER ENGINEERING

    SM312W

    (26264), PHOTOELECTRIC SENSOR, MINI-BEAM SERIES, WIDE ANGLE DIFFUSE, INFRARED LED, 130 MM RANGE, 10-30 VDC INPUT, PNP/NPN, LIGHT/DARK OPERATE, 4-WIRE, 2 METER CABLE LENGTH, IP67
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $124.50
    $124.50
    BANNER ENGINEERING SM312LVQDP

    BANNER ENGINEERING

    SM312LVQDP

    PHOTOELECTRIC SENSOR, MINI-BEAM: RETRO, RANGE: 5 METER, INPUT: 10-30 VDC, OUTPUT: BIPOLAR, 1 NPN, 1 PNP, 6 INCH PIGTAIL QD CONNECTOR, (28155)
    ✓ IN STOCK!
    $225.00 Buy Surplus As Low As $135.00
    $135.00
    BANNER ENGINEERING SM312FMHSQD

    BANNER ENGINEERING

    SM312FMHSQD

    SENSOR, MINI-BEAM: INFRARED HIGH SPEED G,LASS FIBER OPTIC, RANGE: DEPENDS ON FIBER USED, INPUT: 10-30 V DC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, MHS RESPONSE TIME =0.3 MILLISECOND, QD CONNECTOR (2 ...
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $124.50
    $124.50
    BANNER ENGINEERING Q85VR3LP

    BANNER ENGINEERING

    Q85VR3LP

    ELECTROMECHANICAL RELAY, SPDT, 80 MM - 4.6 M, 12-240 VDC, 24-240 VAC, Q85 SERIES, (31213)
    ✓ IN STOCK!
    $292.50 Buy Surplus As Low As $175.50
    $175.50
    BANNER ENGINEERING Q85VR3D

    BANNER ENGINEERING

    Q85VR3D

    31655 - Q85 SERIES: DIFFUSE; RANGE: 250 MM; INPUT: 12-240 V DC / 24-240 V AC; OUTPUT: SPDT ELECTROMECHANICAL RELAY; WIRING CHAMBER
    ✓ IN STOCK!
    $292.50 Buy Surplus As Low As $175.50
    $175.50
    Repair Yours $300.00
    BANNER ENGINEERING Q45VR2FP

    BANNER ENGINEERING

    Q45VR2FP

    FIBER OPTIC AMPLIFIER, Q45 SERIES, RANGE: DEPENDS ON FIBER, INPUT: 90-250 VAC, OUTPUT: SPDT ELECTROMECHANICAL RELAY, 2 M (6.5 FT), (35445)
    ✓ IN STOCK!
    $236.25 Buy Surplus As Low As $141.75
    $141.75
    BANNER ENGINEERING Q45BW22FQ1

    BANNER ENGINEERING

    Q45BW22FQ1

    INFRARED GLASS FIBER, INPUT: 90-250 VAC, SOLID-STATE AC SWITCH OUTPUT, QUICK-DISCONNECT CONNECTOR, (40215)
    ✓ IN STOCK!
    $217.50 Buy Surplus As Low As $130.50
    $130.50
    Repair Yours $300.00
    BANNER ENGINEERING Q45BB6LVQ5

    BANNER ENGINEERING

    Q45BB6LVQ5

    PHOTOELETRIC SENSOR, Q45 SERIES, RETRO, RANGE 0.08 - 9 M, INPUT 10-30 VDC, OUTPUT BIPOLAR, 1 NPN / 1 PNP, EURO M12 4 PIN INTEGRAL QD, (38665)
    ✓ IN STOCK!
    $203.75 Buy Surplus As Low As $122.25
    $122.25
    BANNER ENGINEERING Q45BB6LPQ5

    BANNER ENGINEERING

    Q45BB6LPQ5

    PHOTOELECTRIC SENSOR, Q45 SERIES, POLARIZED RETRO, RANGE: 0.15 - 6 M, 10-30 V DC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, EURO M12 4-PIN INTEGRAL QD
    ✓ IN STOCK!
    $199.50 Buy Surplus As Low As $112.00
    $112.00
    BANNER ENGINEERING Q45BB6LLQ

    BANNER ENGINEERING

    Q45BB6LLQ

    PHOTOELECTRIC SENSOR, Q45 SERIES, LASER RETRO, RANGE 0.3 - 70 M, 10-30 V DC, BIPOLAR: 1 NPN, 1 PNP, MINI 5-PIN INTEGRAL QD, 39552
    ✓ IN STOCK!
    $665.00 Buy Surplus As Low As $399.00
    $399.00
    Repair Yours $300.00
    BANNER ENGINEERING PIT23TS

    BANNER ENGINEERING

    PIT23TS

    48007 - PLASTIC FIBER, OPPOSED MODE; CORE DIA.: 0.5 MM; FIBER LENGTH 1 M; THREAD; TS TERMINATION
    ✓ IN STOCK!
    $191.25 Buy Surplus As Low As $69.26
    $69.26
    BANNER ENGINEERING PIPS46U

    BANNER ENGINEERING

    PIPS46U

    PLASTIC FIBER SENSOR, OPPOSED MODE; CORE DIA.: 1 MM; FIBER LENGTH 2 M; PROBE, SIDEVIEW; FREE CUT
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $90.25
    $90.25
    BANNER ENGINEERING PIAT66U

    BANNER ENGINEERING

    PIAT66U

    PLASTIC FIBER, OPPOSED MODE, CORE DIA.: 1.5 MM, FIBER LENGTH 2 M, FREE CUT, (42885)
    ✓ IN STOCK!
    $202.50 Buy Surplus As Low As $153.90
    $153.90
    BANNER ENGINEERING PD45VN6C100

    BANNER ENGINEERING

    PD45VN6C100

    PHOTOELECTRIC SENSOR, CONVERGENT LASER, 102MM, 10-30 VDC, NPN, CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $385.44
    $385.44
    Repair Yours $300.00
    BANNER ENGINEERING PBT66U

    BANNER ENGINEERING

    PBT66U

    SENSOR, PLASTIC FIBER, DIFFUSE REFLECTIVE, CORE DIA.: 1.5 MM, FIBER LENGTH 2 M, THREAD, FREE CUT, (39982)
    ✓ IN STOCK!
    $90.00 Buy Surplus As Low As $54.00
    $54.00
    BANNER ENGINEERING PBT

    BANNER ENGINEERING

    PBT

    POWER BLOCK, MULTI-BEAM: 3 & 4-WIRE, RANGE: DEPENDS ON SENSOR, 10-30 VDC INPUT, OUTPUT: ONE OPEN-COLLECTOR NPN TRANSISTOR, WIRING CHAMBER, 16393
    ✓ IN STOCK!
    $141.25 Buy Surplus As Low As $84.75
    $84.75
    BANNER ENGINEERING FMB-1

    BANNER ENGINEERING

    FMB-1

    16220, FIBER MOUNTING BRACKET
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $21.64
    $21.64
    BANNER ENGINEERING FI22FP

    BANNER ENGINEERING

    FI22FP

    DISCONTINUED BY MANUFACTURER, SENSOR, INLINE PLASTIC FIBER, INPUT 10-30 VDC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, 2 M (6.5 FT) CABLE, (56287)
    ✓ IN STOCK!
    Buy Surplus As Low As $169.57
    $169.57
    BANNER ENGINEERING D12EP6FV

    BANNER ENGINEERING

    D12EP6FV

    41968 - D12 EXPERT SERIES: GLASS FIBER OPTIC; RANGE: DEPENDS ON FIBER; INPUT: 10-30 V DC; OUTPUT: SPST PNP; 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    $492.50 Buy Surplus As Low As $295.50
    $295.50
    Repair Yours $300.00
    BANNER ENGINEERING D12EP6FP

    BANNER ENGINEERING

    D12EP6FP

    D12 EXPERT SERIES: PLASTIC FIBEROPTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: SPST PNP, 2 M (6.5 FT) CABLE, (41965)
    ✓ IN STOCK!
    $492.50 Buy Surplus As Low As $295.50
    $295.50
    BANNER ENGINEERING D12DAB6FV

    BANNER ENGINEERING

    D12DAB6FV

    PHOTOELECTRIC SENSOR, D12 SERIES, GLASS FIBER OPTIC, RANGE DEPENDS ON FIBER, INPUT 10-30 V DC, OUTPUT BIPOLAR 1 NPN, 1 PNP, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    $510.00 Buy Surplus As Low As $306.00
    $306.00
    Repair Yours $300.00
    BANNER ENGINEERING D12DAB6FPQ

    BANNER ENGINEERING

    D12DAB6FPQ

    PLASTIC FIBER OPTIC, RANGE DEPENDS ON FIBER, D12 SERIES, 10-30 VDC INPUT, OUTPUT: BIPOLAR: 1 NPN/1 PNP, IP11 RATING, DC POWER, NEMA 4X, THERMOPLASTIC HOUSING MATERIAL, 6 IN PIGTAIL QUICK-DIS ...
    ✓ IN STOCK!
    $545.00 Buy Surplus As Low As $206.31
    $206.31
    BANNER ENGINEERING CM5RB

    BANNER ENGINEERING

    CM5RB

    DISCONTINUED BY MANUFACTURER, MAXI-AMP CM SERIES: AMPLIFIER MODULE; RANGE:DEPENDS ON SENSOR; INPUT:210-250 VAC/12-28 VDC; OUTPUT: SPDT ELECTROMECHANICAL RELAY; PROGRAMABLE OUTPUT TIMING
    ✓ IN STOCK!
    Buy Surplus As Low As $229.65
    $229.65
    Repair Yours $300.00
    BANNER ENGINEERING BTA23S

    BANNER ENGINEERING

    BTA23S

    FIBER OPTIC CABLE, DIFFUSE MODE, BIFURCATED GLASS FIBER 36 LONG, 0.125 DIA. BUNDLE, STAINLESS STEEL SHEATH, THREADED & ANGLED SENSING TIP, (20008)
    ✓ IN STOCK!
    $313.75 Buy Surplus As Low As $188.25
    $188.25
    BANNER ENGINEERING BTA13S

    BANNER ENGINEERING

    BTA13S

    HEAVY DUTY FIBER OPTIC CABLE, DIFFUSE MODE BIFURCATED GLASS FIBER, 36 L, 0.062 DIA. BUNDLE, STAINLESS STEEL SHEATH, THREADED & ANGLED SENSING TIP, 20195
    ✓ IN STOCK!
    $313.75 Buy Surplus As Low As $188.25
    $188.25
    BANNER ENGINEERING BT23PMSS

    BANNER ENGINEERING

    BT23PMSS

    FIBER OPTIC SENSOR, BIFURCATED, GLASS FIBER SERIES, 3 FEET, CYLINDRICAL, THREADED, END TIP SHAPE, STAINLESS STEEL SENSING END, 20032
    ✓ IN STOCK!
    $198.75 Buy Surplus As Low As $119.25
    $119.25
    ALLEN BRADLEY 42SRR-6002-QD

    ALLEN BRADLEY

    PHOTOSWITCH

    42SRR-6002-QD

    DISCONTINUED BY MANUFACTURER, COMPACT PHOTO SENSOR,TRANSMITTED BEAM RECEIVER,24V DC - LIGHT OPERATE,4 PIN DC MICRO QD
    ✓ IN STOCK!
    Buy Surplus As Low As $703.57
    $703.57
    Repair Yours $548.00
    ALLEN BRADLEY 42SRF-6102

    ALLEN BRADLEY

    PHOTOSWITCH

    42SRF-6102

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, SERIES 6000, FIBER OPTIC, SMALL APERTURE, PLASTIC, VISIBLE 660NM, 10-30 VDC, LIGHT ON, NPN/PNP, 3 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $260.39
    $260.39
    Repair Yours $300.00
    ALLEN BRADLEY 42SMU-7801-QD

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMU-7801-QD

    DISCONTINUED BY MANUFACTURER 05/31/2010, MINI PHOTOELECTIC SENSOR, SENSITIVITY NOT ADJUSTABLE, POLARIZED RETROREFLECTIVE, VISIBLE RED, PNP, DC - LIGHT OPERATE, 4-PIN MICRO QD ON PIGTAIL
    ✓ IN STOCK!
    Buy Surplus As Low As $589.00
    $589.00
    ALLEN BRADLEY 42SMU-7260

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMU-7260

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, 11-28VDC, NPN, RANGE1.5M, W/3M CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $473.68
    $473.68
    ALLEN BRADLEY 42SMP-7000

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMP-7000

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, 7000 SERIES, MINI RECTANGULAR, STANDARD DIFFUSE, 7 DEGREE FOV, 0.2-9.0 INCH SENSING DISTANCE, 11-28 VDC, NO / NC, NPN, 3 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $642.32
    $642.32
    ALLEN BRADLEY 42GTGP-10000-QD

    ALLEN BRADLEY

    PHOTOSWITCH

    42GTGP-10000-QD

    DISCONTINUED BY MANUFACTURER 04/30/2010, SENSOR,PHOTOELECTRIC, STANDARD DIFFUSE
    ✓ IN STOCK!
    Buy Surplus As Low As $154.78
    $154.78
    ALLEN BRADLEY 889N-F4AFNU-3F

    ALLEN BRADLEY

    PHOTOSWITCH

    889N-F4AFNU-3F

    MINI CABLE, FEMALE, STRAIGHT (INT THREADS), FEMALE, STRAIGHT (INT THREADS), 4-PINS, MINI / MINI PLUS, MALE, STRAIGHT (INT. THREADS), MINI, STRAIGHT, MALE(INT. THREADS), SAME AS FIRST END, PV ...
    ✓ IN STOCK!
    Buy Surplus As Low As $21.40
    $21.40
    BANNER ENGINEERING SMI912FQD

    BANNER ENGINEERING

    SMI912FQD

    DISCONTINUED BY MANUFACTURER, VALU-BEAM: GLASS FIBER OPTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: NPN I.S. INTERFACE, QUICK-DISCONNECT CONNECTOR, (25684)
    ✓ IN STOCK!
    Buy Surplus As Low As $165.24
    $165.24
    BANNER ENGINEERING Q45VR2LPQ

    BANNER ENGINEERING

    Q45VR2LPQ

    PHOTOELECTRIC SENSOR, Q45 SERIES, POLARIZED RETRO, RANGE: 0.15 -6 M, INPUT: 90/250 VAC, SPDT ELECTROMECHANICAL RELAY, MINI 5-PIN INTEGRAL, QD
    ✓ IN STOCK!
    $223.75 Buy Surplus As Low As $134.25
    $134.25
    Repair Yours $300.00
    BANNER ENGINEERING Q45UBB63DAC

    BANNER ENGINEERING

    Q45UBB63DAC

    DISCONTINUED BY MANUFACTURER, PROXIMITY SENSOR, DISCRETE, PROXIMITY MODE, RANGE, 100 M, DISCRETE Q45U SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As $415.21
    $415.21
    BANNER ENGINEERING Q45UBB63BC

    BANNER ENGINEERING

    Q45UBB63BC

    PROXIMITY SENSOR / DISCRETE, Q45U SERIES, RANGE: 250 MM - 3 M, INPUT: 12-24 VDC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, 2 M / 6.5 FT CABLE, 46360
    ✓ IN STOCK!
    $913.75 Buy Surplus As Low As $548.25
    $548.25
    Repair Yours $394.00
    BANNER ENGINEERING Q45BW22DX

    BANNER ENGINEERING

    Q45BW22DX

    SENSOR, Q45 SERIES, RUGGED RECTANGLE SENSOR, RANGE: 3 M, INPUT: 90-250V AC, OUTPUT: SPST SOLID-STATE RELAY, 2 M (6.5 FT) CABLE, 47140
    ✓ IN STOCK!
    $265.00 Buy Surplus As Low As $159.00
    $159.00
    Repair Yours $300.00
    BANNER ENGINEERING Q45BW22CV4Q1

    BANNER ENGINEERING

    Q45BW22CV4Q1

    40220 - Q45 SERIES: CONVERGENT; FOCAL POINT: 100 MM; INPUT: 90-250 V AC; OUTPUT: SPST SOLID-STATE RELAY; MICRO 4-PIN INTEGRAL QD
    ✓ IN STOCK!
    Buy Surplus As Low As $147.00
    $147.00
    Repair Yours $300.00
    BANNER ENGINEERING Q45BB6LLPQ6

    BANNER ENGINEERING

    Q45BB6LLPQ6

    RUGGED RECTANGLE SENSOR, Q45 SERIES, LASER POLARIZED RETRO, RANGE: 0.6 - 40 M, INPUT: 10/30 VDC, OUTPUT: BIPOLAR: 1 NPN; 1 PNP, EURO M12 5-PIN INTEGRAL QD, (41033)
    ✓ IN STOCK!
    $665.00 Buy Surplus As Low As $399.00
    $399.00
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