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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 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 $131.99
    $131.99
    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 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 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 800T-N12

    ALLEN BRADLEY

    800T-N12

    LEVER, ROCKER ARM OPERATING, FOR 30 MM PUSH BUTTON, OPERATES 2 FLUSH HEADS, OR 1 FLUSH AND 1 EXTENDED HEAD
    ✓ IN STOCK!
    Buy Surplus As Low As $81.07
    $81.07
    BANNER ENGINEERING SMA30PELQD

    BANNER ENGINEERING

    SMA30PELQD

    SM30 SERIES: EMITTER - FREQUENCY A PBT POLYESTER, RANGE: 150 M, INPUT: 10-30 VDC / 12 TO 240 VAC, OUTPUT: NOT APPLICABLE - NO OUTPUTS; MINI 3-PIN INTEGRAL QD, (27288)
    ✓ IN STOCK!
    $306.25 Buy Surplus As Low As $183.75
    $183.75
    BANNER ENGINEERING SM912FQD

    BANNER ENGINEERING

    SM912FQD

    SENSOR, GLASS FIBER OPTIC, 10-30VDC, 1 NPN/1 PNP, QD CONNECTOR, VALU-BEAM SERIES
    ✓ IN STOCK!
    $372.50 Buy Surplus As Low As $223.50
    $223.50
    BANNER ENGINEERING SM912F

    BANNER ENGINEERING

    SM912F

    PHOTOELECTRIC SENSOR, VALU-BEAM, GLASS FIBER OPTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, BI-POLAR, 1 NPN, 1 PNP, 2 METER (6.5 FT) CABLE LENGTH, ALSO KNOWN AS 25516
    ✓ IN STOCK!
    $372.50 Buy Surplus As Low As $223.50
    $223.50
    ALLEN BRADLEY 42SMU-7601

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMU-7601

    DISCONTINUED BY MANUFACTURER 05/31/2010, MINI PHOTOELECTIC SENSOR, SENSITIVITY NOT ADJUSTABLE, STANDARD RETROREFLECTIVE, VISIBLE RED, PNP, DC - LIGHT OPERATE, 3M (10FT) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $285.54
    $285.54
    ALLEN BRADLEY 42SMR-7001

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMR-7001

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC RECEIVER, SENSOR, NPN, 100 MA, 28 VDC, BLACK CORD, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $175.96
    $175.96
    Repair Yours $300.00
    ALLEN BRADLEY 42GTU-9200

    ALLEN BRADLEY

    42GTU-9200

    PHOTOELECTRIC SENSOR, TIMING, POLARIZED RETROREFLECTIVE, DC - NPN AND PNP, 2M (6.5FT), 300V CABLE, 10-40 VDC, NPN/PNP
    ✓ IN STOCK!
    Buy Surplus As Low As $408.57
    $408.57
    ALLEN BRADLEY 871C-J5A18

    ALLEN BRADLEY

    871C-J5A18

    PROXIMITY SWITCH 10-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $74.84
    $74.84
    ALLEN BRADLEY 42EF-D1LDAK-F5

    ALLEN BRADLEY

    PHOTOSWITCH

    42EF-D1LDAK-F5

    DISCONTINUED BY MANUFACTURER 12/31/2018, PHOTOELECTRIC SENSOR, RIGHTSIGHT, STANDARD 500 MM DIFFUSE, INFRED, DC - LO OR DO SELECTABLE, 5-PIN DC MICRO QD ON 152 MM, 6I N PIGTAIL, CLASS 2
    ✓ IN STOCK!
    Buy Surplus As Low As $117.55
    $117.55
    BANNER ENGINEERING SM2A912LVAGQD

    BANNER ENGINEERING

    SM2A912LVAGQD

    PHOTOELECTRIC SENSOR, VALU-BEAM: POLARIZED RETRO, RANGE: 0.3 - 4.5 M, INPUT: 24-250 VAC, OUTPUT: SPST SCR SOLID-STATE 2-WIRE, QUICK-DISCONNECT CONNECTOR, (26653)
    ✓ IN STOCK!
    $472.50 Buy Surplus As Low As $283.50
    $283.50
    BANNER ENGINEERING SM2A31RQD

    BANNER ENGINEERING

    SM2A31RQD

    MINI-BEAM: RECEIVER, RANGE: 3 M, INPUT: 24-240 V AC, OUTPUT: SPST SOLID-STATE 2-WIRE, MICRO 3-PIN INTEGRAL QD, 26846, FOR EMITTER SEE PART # SMA31EQD
    ✓ IN STOCK!
    $221.25 Buy Surplus As Low As $132.75
    $132.75
    BANNER ENGINEERING SM2A31RLQD

    BANNER ENGINEERING

    SM2A31RLQD

    PHOTOELECTRIC SENSOR, RECEIVER, 30 METER RANGE, 24-240 VAC, 2 WIRE, FOR EMITTER SEE PART # SMA31ELQD, (26991)
    ✓ IN STOCK!
    $221.25 Buy Surplus As Low As $132.75
    $132.75
    BANNER ENGINEERING SM2A31RL

    BANNER ENGINEERING

    SM2A31RL

    PHOTOELECTRIC SENSOR, RECEIVER, 30 M RANGE, 24-240V AC, OUTPUT: SPST SOLID-STATE 2-WIRE, 2 M (6.5 FT) CABLE, FOR EMITTER SEE PART # SMA31EL, (26061)
    ✓ IN STOCK!
    $192.00 Buy Surplus As Low As $120.36
    $120.36
    BANNER ENGINEERING SM2A312LVAG

    BANNER ENGINEERING

    SM2A312LVAG

    PHOTOELECTRIC SENSOR, MINI-BEAM SERIES, POLARIZED RETRO, 50MM - 2M RANGE, SPST; SOLID-STATE; 2-WIRE OUTPUT, 24-240 VAC, 2M (6.5FT) CABLE, (26055)
    ✓ IN STOCK!
    $267.50 Buy Surplus As Low As $160.50
    $160.50
    BANNER ENGINEERING SM2A912LV

    BANNER ENGINEERING

    SM2A912LV

    26575, PHOTOELECTRIC SENSOR, RETROREFLECTIVE VISIBLE BEAM, 30FT RANGE, 24-250VAC, SPST SCR SOLID-STATE 2-WIRE, 6.5 FT CABLE, VISIBLE RED LIGHT SOURCE
    ✓ IN STOCK!
    $448.75 Buy Surplus As Low As $269.25
    $269.25
    Repair Yours $300.00
    BANNER ENGINEERING SM2A912FQD

    BANNER ENGINEERING

    SM2A912FQD

    PHOTOELECTRIC SENSOR, VALU-BEAM SERIES, GLASS FIBER OPTIC TYPE, RANGE DEPENDS ON FIBER, 24-250 VAC INPUT, SCR SOLID-STATE 2-WIRE OUTPUT, SINGLE-POLE SINGLE-THROW CONFIGURATION, LIGHT/DARK OP ...
    ✓ IN STOCK!
    $448.75 Buy Surplus As Low As $269.25
    $269.25
    Repair Yours $300.00
    BANNER ENGINEERING SM2A912LVAG

    BANNER ENGINEERING

    SM2A912LVAG

    PHOTOELECTRIC SENSOR, VALU-BEAM: POLARIZED RETRO, RANGE: 0.3 - 4.5 M, INPUT: 24-250 VAC, OUTPUT: SPST SCR SOLID-STATE 2-WIRE, 2 METERS-6.5 FEET CABLE, (26643)
    ✓ IN STOCK!
    $472.50 Buy Surplus As Low As $283.50
    $283.50
    BANNER ENGINEERING SM2A312LVQDP

    BANNER ENGINEERING

    SM2A312LVQDP

    PHOTOELECTRIC SENSOR, RETROREFLECTIVE, RANGE: 5 M, INPUT: 24-240 VAC, OUTPUT: SPST SOLID-STATE 2-WIRE, 6 IN PIGTAIL QD CONNECTOR, (29556)
    ✓ IN STOCK!
    $275.45 Buy Surplus As Low As $166.50
    $166.50
    BANNER ENGINEERING SM2A312LVQD

    BANNER ENGINEERING

    SM2A312LVQD

    SENSOR, MINI-BEAM, RETROREFLECTIVE, RANGE 5 M, INPUT 24-240 VAC, OUTPUT SPST, SOLID-STATE, 2-WIRE, MICRO 3-PIN, INTEGRAL QD, (26845)
    ✓ IN STOCK!
    $257.50 Buy Surplus As Low As $154.50
    $154.50
    BANNER ENGINEERING SM2A912DSRQD

    BANNER ENGINEERING

    SM2A912DSRQD

    PHOTOELECTRIC SENSOR, DIFFUSE, VALU-BEAM, 380 MM RANGE, 24-250 VAC, SPST, SCR, SOLID-STATE, 2-WIRE, INTEGRAL QD CONNECTION, (26572)
    ✓ IN STOCK!
    $448.75 Buy Surplus As Low As $269.25
    $269.25
    BANNER ENGINEERING SM2A312FQD

    BANNER ENGINEERING

    SM2A312FQD

    FIBER OPTIC AMPLIFIER, MINI-BEAM SERIES, INFRARED LIGHT SOURCE, 880 NM, GLASS, RANGE: DEPENDS ON FIBER, INPUT: 24-240 VAC, 3 PIN, OUTPUT: SPST SOLID-STATE 2-WIRE, QUICK-DISCONNECT CONNECTOR, ...
    ✓ IN STOCK!
    $257.50 Buy Surplus As Low As $154.50
    $154.50
    BANNER ENGINEERING SM2A312FP

    BANNER ENGINEERING

    SM2A312FP

    PHOTOELECTRIC SENSOR, MINI-BEAM, PLASTIC FIBER OPTIC, RANGE DEPENDS ON FIBER, 24-240 VAC, SPST OUTPUT, SOLID-STATE, 2-WIRE, 2 M (6.5 FT) CABLE, (26057)
    ✓ IN STOCK!
    $267.50 Buy Surplus As Low As $160.50
    $160.50
    Repair Yours $300.00
    BANNER ENGINEERING Q25SN6LPQ

    BANNER ENGINEERING

    Q25SN6LPQ

    PHOTOELECTRIC SENSOR, Q25 SERIES, EZ-BEAM, RETROREFLECTIVE, 2 METER, NPN, 10-30V, QUICK DISCONNECT
    ✓ IN STOCK!
    $191.25 Buy Surplus As Low As $145.35
    $145.35
    BANNER ENGINEERING Q23SN6FP

    BANNER ENGINEERING

    Q23SN6FP

    DISCONTINUED BY MANUFACTURER, (46438) PHOTOELECTRIC SENSOR, Q23 SERIES: PLASTIC FIBER OPTIC, RANGE: DEPENDS ON FIBER USED, INPUT: 10-30V DC, OUTPUT: COMPLEMENTARY NPN, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $55.99
    $55.99
    Repair Yours $300.00
    BANNER ENGINEERING Q19SP6R

    BANNER ENGINEERING

    Q19SP6R

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, RECEIVER, 10-30 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $104.50
    $104.50
    BANNER ENGINEERING Q196EQ

    BANNER ENGINEERING

    Q196EQ

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC EMMITTER ONLY, QUICK DISCONNECTED, 10-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $37.26
    $37.26
    BANNER ENGINEERING Q196E

    BANNER ENGINEERING

    Q196E

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC EMITTER, 8M RANGE, 10/30VDC, 2M CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $95.71
    $95.71
    BANNER ENGINEERING PIU430U

    BANNER ENGINEERING

    PIU430U

    PLASTIC FIBER CABLE, CORE DIAMETER 1 MM, 9 METER, UNTERMINATED, FREE CUT, 26751
    ✓ IN STOCK!
    $44.12 Buy Surplus As Low As $33.53
    $33.53
    BAUMER ELECTRIC IFFM-08N1703/01

    BAUMER ELECTRIC

    IFFM-08N1703/01

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH, INDUCTIVE, CLASS 2, 10/30 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $59.68
    $59.68
    BANNER ENGINEERING PD45VP6C200Q

    BANNER ENGINEERING

    PD45VP6C200Q

    PROXIMITY SENSOR, CONVERGENT LASER, PICODOT SERIES, FOCAL, 203 MM RANGE, 10-30 V DC, COMPLEMENTARY PNP OUTPUT, 6" PIGTAIL QD CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $490.02
    $490.02
    BANNER ENGINEERING PBT46UC

    BANNER ENGINEERING

    PBT46UC

    PLASTIC FIBER, DIFFUSE REFLECTIVE, CORE DIA.: 1 MM, FIBER LENGTH 2 M, THREAD, FREE CUT, (26086)
    ✓ IN STOCK!
    $122.50 Buy Surplus As Low As $66.81
    $66.81
    BANNER ENGINEERING SM2A312LV

    BANNER ENGINEERING

    SM2A312LV

    MINI-BEAM SENSOR, RETRO, RANGE: 5 M, INPUT: 24-240 VAC, OUTPUT: SPST SOLID-STATE 2-WIRE, 2 M (6.5 FT) CABLE, (25964)
    ✓ IN STOCK!
    $257.50 Buy Surplus As Low As $154.50
    $154.50
    BANNER ENGINEERING SM180E

    BANNER ENGINEERING

    SM180E

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC EMITTER, 10- 30 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $27.18
    $27.18
    BANNER ENGINEERING SM180D

    BANNER ENGINEERING

    SM180D

    DISCONTINUED BY MANUFACTURER, PROXIMITY SWITCH ,10-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $42.00
    $42.00
    BANNER ENGINEERING Q19SP6LP

    BANNER ENGINEERING

    Q19SP6LP

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, CABLE CONNECTION, 2M CABLE, 4-WIRE
    ✓ IN STOCK!
    Buy Surplus As Low As $60.75
    $60.75
    BANNER ENGINEERING SM2A912DQD

    BANNER ENGINEERING

    SM2A912DQD

    PHOTOELECTRIC SENSOR, 912 SERIES, VALU-BEAM, DIFFUSE LONG RANGE SENSING MODE, RANGE: 76 MM OR 30 IN, INFRARED BEAM (880 NM), INPUT: 24-250 VAC, OUTPUT: SPST SCR SOLID-STATE 2-WIRE, QUICK-DIS ...
    ✓ IN STOCK!
    $448.75 Buy Surplus As Low As $269.25
    $269.25
    BANNER ENGINEERING SM2A312W

    BANNER ENGINEERING

    SM2A312W

    26265 - MINI-BEAM PHOTOELECTRIC SENSOR, DIVERGENT DIFFUSE, 130MM RANGE, 24-240 VAC, SPST, 2 WIRE, 2M
    ✓ IN STOCK!
    $257.50 Buy Surplus As Low As $154.50
    $154.50
    BANNER ENGINEERING SM2A312F

    BANNER ENGINEERING

    SM2A312F

    SENSOR, MINI-BEAM / INFRARED, 880 NM, GLASSFIBER OPTIC, RANGE / DEPENDS ON FIBER, INPUT: 24-240 VAC, OUTPUT / SPST SOLID-STATE / 2-WIRE, 2 M / 6.5 FT CABLE, (25966)
    ✓ IN STOCK!
    $223.00 Buy Surplus As Low As $117.39
    $117.39
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