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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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    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 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 Q45VR3LVQ

    BANNER ENGINEERING

    Q45VR3LVQ

    PHOTOELECTRIC SENSOR, Q45 SERIES RETRO, RANGE 0.08 TO 9M, INPUT 12-250 VDC / 24-250 VAC, OUTPUT SPDT ELECTROMECHANICAL RELAY, MINI 5-PIN, INTEGRAL QD, (54315)
    ✓ IN STOCK!
    $243.40 Buy Surplus As Low As $146.04
    $146.04
    BANNER ENGINEERING Q50BUQ

    BANNER ENGINEERING

    Q50BUQ

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, Q50 SERIES, LED-BASED TRIANGULATION, INFRARED LED, RANGE: 100-400 MM, INPUT: 15 TO 30 V DC, OUTPUT: 0 TO 10V, RESPONSE: 4 / 64 MS SELECTAB ...
    Buy Surplus As Low As $1,121.31
    $1,121.31
    BANNER ENGINEERING Q50BVPQ

    BANNER ENGINEERING

    Q50BVPQ

    DISCONTINUED BY MANUFACTURER, Q50 SERIES: LED-BASED TRIANGULAT, ION MEASUREMENT, VISIBLE RED LED RANGE: 100-300 MM, INPUT: 12 TO 30 VDC, DISCRETE OUTPUTS: COMPLEMENTARY PNP (48 MS RESPONSE), ...
    ✓ IN STOCK!
    Buy Surplus As Low As $204.76
    $204.76
    BANNER ENGINEERING Q85VR3R

    BANNER ENGINEERING

    Q85VR3R

    Q85 SERIES: RECEIVER, RANGE: 23 M, INPUT: 12-240 V DC / 24-240 V AC, OUTPUT: SPDT ELECTROMECHANICAL RELAY, WIRING CHAMBER, (31651)
    ✓ IN STOCK!
    $265.00 Buy Surplus As Low As $79.84
    $79.84
    Repair Yours $300.00
    BANNER ENGINEERING QM42VP6AF150Q

    BANNER ENGINEERING

    QM42VP6AF150Q

    DISCONTINUED BY MANUFACTURER, QM42 SERIES: ADJUSTABLE FIELD INFRARED, RANGE: 5 TO 150 MM, INPUT: 10-30 VDC, OUTPUT: COMPLEMENTARY PNP, 4-PIN M12 INTEGRAL QD, (45690)
    ✓ IN STOCK!
    Buy Surplus As Low As $208.94
    $208.94
    BANNER ENGINEERING SM312FPQD

    BANNER ENGINEERING

    SM312FPQD

    PHOTOELECTRIC SENSOR, MINI-BEAM, THERMOPLASTIC POLYESTER HOUSING, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: BIPOLAR 1 NPN / 1 PNP, QUICK-DISCONNECT, (26837)
    ✓ IN STOCK!
    $221.25 Buy Surplus As Low As $132.75
    $132.75
    BANNER ENGINEERING SM312FQD

    BANNER ENGINEERING

    SM312FQD

    FIBER OPTIC AMPLIFIER, MINI-BEAM, INFRARED LED, 880 NM, GLASS FIBER, NPN/PNP OUTPUT, 10-30 VDC SUPPLY, 4-PIN M12 CONNECTOR
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $124.50
    $124.50
    BANNER ENGINEERING SM312LV

    BANNER ENGINEERING

    SM312LV

    PHOTOELECTRIC SENSOR, MINI BEAM SERIES INDUSTRY STANDARD, RETRO, 5 M RANGE, 10-30 VDC, 1 NPN / 1 PNP, BIPOLAR, 2 M CABLE, 25618
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $124.50
    $124.50
    ALLEN BRADLEY 872C-DH3CP12-E2

    ALLEN BRADLEY

    PHOTOSWITCH

    872C-DH3CP12-E2

    PROXIMITY SWITCH DC PNP M12 3MM NC 2METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $56.73
    $56.73
    ALLEN BRADLEY 873C-D30NP30-E2

    ALLEN BRADLEY

    PHOTOSWITCH

    873C-D30NP30-E2

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH ULTRA SONIC DC PNP 30MM RANGE NO
    ✓ IN STOCK!
    Buy Surplus As Low As $380.59
    $380.59
    ALLEN BRADLEY 873C-DDNP1000E2

    ALLEN BRADLEY

    PHOTOSWITCH

    873C-DDNP1000E2

    ULTRASONIC SENSOR,NORMALLY OPEN - PNP OUTPUT, CYLINDRICAL 30 MM, NON-PROGRAMMABLE, PNP SINGLE NO, 30 MM DIAMETER, 300 MM TO 1000 MM SENSING DISTANCE, 2 METER (6.5 FT) PVC CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $422.18
    $422.18
    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 $762.75
    $762.75
    BANNER ENGINEERING IA13PMETA

    BANNER ENGINEERING

    IA13PMETA

    21134 - FIBER OPTIC SENSOR IA13PMETA
    ✓ IN STOCK!
    $231.25 Buy Surplus As Low As $104.40
    $104.40
    BANNER ENGINEERING IA13S

    BANNER ENGINEERING

    IA13S

    17290 , OPPOSED MODE INDIVIDUAL GLASS FIBER 36 LONG, 0.062 DIA. BUNDLE, STAINLESS STEEL SHEATH, RIGHT ANGLE SENSING TIP
    ✓ IN STOCK!
    $171.25 Buy Surplus As Low As $102.75
    $102.75
    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
    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 $130.15
    $130.15
    BANNER ENGINEERING IA23PM1.5

    BANNER ENGINEERING

    IA23PM1.5

    20368 - FIBER OPTIC SENSOR IA23PM1.5
    ✓ IN STOCK!
    $192.00 Buy Surplus As Low As $83.52
    $83.52
    BANNER ENGINEERING SM312LVAG

    BANNER ENGINEERING

    SM312LVAG

    PHOTOELECTRIC SENSOR, POLARIZED, 2000 MM SENSING DISTANCE, 10/30 VDC, 150 MA, NPN/PNP, 2 M CABLE LENGTH, RED LED, LIGHT/DARK OPERATE, DISCRETE, THERMOPLASTIC, (25776)
    ✓ IN STOCK!
    $221.25 Buy Surplus As Low As $132.75
    $132.75
    BANNER ENGINEERING SM312LVAGQD

    BANNER ENGINEERING

    SM312LVAGQD

    PHOTOELECTRIC SENSOR, MINI-BEAM, POLARIZED RETRO, RANGE, 50 MM TO 2 M, INPUT, 10-30 V DC, OUTPUT, BIPOLAR, 1 NPN, 1 PNP, EURO M12 4-PIN INTEGRAL QD
    ✓ IN STOCK!
    $192.00 Buy Surplus As Low As $118.77
    $118.77
    BANNER ENGINEERING SM312LVAGQDP

    BANNER ENGINEERING

    SM312LVAGQDP

    PHOTOELECTRIC SENSOR, MINI-BEAM, POLARIZED RETRO, RANGE: 50 MM / 2 M, INPUT: 10-30 VDC, OUTPUT: BIPOLAR: 1 NPN, 1 PNP, 6 IN PIGTAIL QD CONNECTOR, (29538)
    ✓ IN STOCK!
    $208.00 Buy Surplus As Low As $119.10
    $119.10
    BANNER ENGINEERING SM312WQD

    BANNER ENGINEERING

    SM312WQD

    PHOTOELECTRIC SENSOR, DIFFUSE, MINI-BEAM, RANGE: 130 MM, INPUT 10-30 VDC, OUTPUT BIPOLAR, 1 NPN / 1 PNP, EURO M12 4-PIN INTEGRAL QD, (26892)
    ✓ IN STOCK!
    $207.50 Buy Surplus As Low As $157.70
    $157.70
    BANNER ENGINEERING SM312WQDP

    BANNER ENGINEERING

    SM312WQDP

    MINI-BEAM DIVERGENT DIFFUSE, RANGE 130 MM, INFARED LED, DISCRETE INPUT/OUTPUT, LIGHT/DARK OPERATION, SUPPLY VOLTAGE 10-30V DC, OUTPUT BIPOLAR: 1 NPN/PNP, 6 IN PIGTAIL QD CONNECTOR
    ✓ IN STOCK!
    $225.00 Buy Surplus As Low As $171.00
    $171.00
    BANNER ENGINEERING SM31E

    BANNER ENGINEERING

    SM31E

    PHOTOELECTRIC SENSOR, MINI-BEAM, EMITTER, 3 M MAX SENSING DISTANCE, 10-30 VDC INPUT, 2 M (6.5 FT) CABLE, IP67, (25623)
    ✓ IN STOCK!
    $123.75 Buy Surplus As Low As $74.25
    $74.25
    BANNER ENGINEERING SM31EPD

    BANNER ENGINEERING

    SM31EPD

    DETECTION EMITTER, CLEAR PLASTIC, MINI BEAM, RANGE: 0 - 0.3 M, INPUT: 10-30V DC, OUTPUT: NOT APPLICABLE - NO OUTPUTS, 2 M (6.5 FT) CABLE, PN 26537
    ✓ IN STOCK!
    $176.25 Buy Surplus As Low As $105.75
    $105.75
    Repair Yours $300.00
    BANNER ENGINEERING SM31EPDQD

    BANNER ENGINEERING

    SM31EPDQD

    26891 - MINI-BEAM: CLEAR PLASTIC DETECTI,ON EMITTER, RANGE: 0 - 0.3 M, INPUT: 10-30 V DC, OUTPUT: NOT APPLICABLE - NO OUTPUTS, EURO M12 4-PIN INTEGRAL QD
    ✓ IN STOCK!
    $289.95 Buy Surplus As Low As $173.97
    $173.97
    Repair Yours $300.00
    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 IA26S

    BANNER ENGINEERING

    IA26S

    CABLE, FIBER OPTIC, 6 FEET, OPPOSED RIGHT ANGLE, 17301
    ✓ IN STOCK!
    $194.00 Buy Surplus As Low As $114.40
    $114.40
    BANNER ENGINEERING IAR23SMA

    BANNER ENGINEERING

    IAR23SMA

    FIBER OPTIC CABLE, FOR OMNI-BEAM, Q45 SERIES, FERRULE END
    ✓ IN STOCK!
    $254.00 Buy Surplus As Low As $153.00
    $153.00
    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 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 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 $129.60
    $129.60
    BANNER ENGINEERING IF13P

    BANNER ENGINEERING

    IF13P

    FIBER OPTIC SENSOR, INDIVIDUAL FIBER - (FIBER SENSORS - GLASS FIBER SERIES), 3FT / 910MM LENGTH, CYLINDRICAL (SMOOTH) END TIP SHAPE - STAINLESS STEEL SENSING END / GLASS FIBER / PVC (SHEATH) ...
    ✓ IN STOCK!
    Buy Surplus As Low As $52.30
    $52.30
    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 IF23P

    BANNER ENGINEERING

    IF23P

    OPPOSED MODE INDIVIDUAL GLASS FIBER 36 LONG, 0.125 DIA. BUNDLE, PVC SHEATH, FERRULED SENSING TIP 0.5 LONG, (17316)
    ✓ IN STOCK!
    $157.88 Buy Surplus As Low As $94.73
    $94.73
    BANNER ENGINEERING IP12S

    BANNER ENGINEERING

    IP12S

    FIBER IP12S
    ✓ IN STOCK!
    $99.00 Buy Surplus As Low As $40.27
    $40.27
    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!
    $141.60 Buy Surplus As Low As $66.24
    $66.24
    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 IT23P

    BANNER ENGINEERING

    IT23P

    FIBER OPTICS, GLASS FIBER, OPPOSED, THREAD
    ✓ IN STOCK!
    $146.25 Buy Surplus As Low As $87.75
    $87.75
    BANNER ENGINEERING IT23S

    BANNER ENGINEERING

    IT23S

    FIBER OPTIC SENSOR, PHOTOELECTRIC, OPPOSED MODE, INDIVIDUAL GLASS FIBER, THREADED SENSING TIP, 36 IN LENGTH, 0.125 IN DIAMETER. BUNDLE, STAINLESS STEEL SHEATH
    ✓ IN STOCK!
    $146.25 Buy Surplus As Low As $87.75
    $87.75
    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 SM31EQD

    BANNER ENGINEERING

    SM31EQD

    PHOTOELECTRIC EMITTER, MINI-BEAM, 3-METER RANGE, 10/30 VDC, EURO M12, 4-PIN, INTEGRAL QD, INFRARED LED
    ✓ IN STOCK!
    $123.75 Buy Surplus As Low As $74.25
    $74.25
    BANNER ENGINEERING SM31R

    BANNER ENGINEERING

    SM31R

    RECEIVER, MINI-BEAM, RANGE 3 M, INPUT 10-30 VDC, OUTPUT: BIPOLAR 1 NPN / 1 PNP, 2 METER CABLE, (25622)
    ✓ IN STOCK!
    $176.25 Buy Surplus As Low As $105.75
    $105.75
    BANNER ENGINEERING SM502A

    BANNER ENGINEERING

    SM502A

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC, 2 METER RANGE, VISIBLE RED, 650 NM RETRO, 12 - 18 VDC, CABLE: 6 FT., (16658)
    ✓ IN STOCK!
    Buy Surplus As Low As $126.14
    $126.14
    BANNER ENGINEERING SM512DB

    BANNER ENGINEERING

    SM512DB

    DISCONTINUED BY MANUFACTURER, SCANNER,17577, PHOTOELECTRIC, 10-30V, SCANNER, 200MM RANGE, 2 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $519.85
    $519.85
    BANNER ENGINEERING SM512DBCV

    BANNER ENGINEERING

    SM512DBCV

    DISCONTINUED BY MANUFACTURER, SCANNER, PHOTOELECTRIC LED SCANNER, 10-30 VDC, 1 NC/1 NO, 2 M LENGTH WIRE, (18783)
    ✓ IN STOCK!
    Buy Surplus As Low As $306.20
    $306.20
    BANNER ENGINEERING SM512LBDX

    BANNER ENGINEERING

    SM512LBDX

    DISCONTINUED BY MANUFACTURER, SCANNER, PHOTOELECTRIC DIFFUSE 150MM 10-30VDC NPN W/2M CBL
    ✓ IN STOCK!
    Buy Surplus As Low As $139.19
    $139.19
    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 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
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