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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 101-150 of 501.
    ALLEN BRADLEY 871C-N13

    ALLEN BRADLEY

    871C-N13

    ACCESSORY, CONDUIT ADAPTOR, FOR TUBULAR PROXIMITY SENSORS, 12 MM DIAMETER, NICKEL-PLATED BRASS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$71.91
    CAN$71.91
    ALLEN BRADLEY 60-1711

    ALLEN BRADLEY

    60-1711

    40CA4, 47CN4 EXTENDED LENS ADAPTOR ASSEMBLY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$46.35
    CAN$46.35
    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 CAN$913.33
    CAN$913.33
    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 CAN$100.77
    CAN$100.77
    BANNER ENGINEERING SMB312B

    BANNER ENGINEERING

    SMB312B

    BRACKET: BOTTOM MOUNTING, MATERIAL: STAINLESS STEEL 2-AXIS, INCLUDES MOUNTING FOOT (SMB312F), (25519)
    ✓ IN STOCK!
    CAN$43.83 Buy Surplus As Low As CAN$24.56
    CAN$24.56
    BANNER ENGINEERING SMB30UR

    BANNER ENGINEERING

    SMB30UR

    52516 - BRACKET: TWO PIECE UNIVERSAL SWIVEL; 300 SERIES STAINLESS STEEL; USED WITH LIMIT-SWITCH STYLE SENSORS; HARDWARE INCLUDED
    ✓ IN STOCK!
    CAN$71.12 Buy Surplus As Low As CAN$54.04
    CAN$54.04
    BANNER ENGINEERING SMB18SM

    BANNER ENGINEERING

    SMB18SM

    BRACKET, MOUNTS BY ITS BASE, BLACK VALOX MATERIAL, HARDWARE INCLUDED, GLASS FILLED PBT/PET, SWIVEL MOUNT BRACKET TYPE, 29352
    ✓ IN STOCK!
    CAN$29.22 Buy Surplus As Low As CAN$22.21
    CAN$22.21
    BANNER ENGINEERING SMA915D

    BANNER ENGINEERING

    SMA915D

    PHOTOELECTRIC SCANNER, 25881, VALU-BEAM SERIES, DIFFUSE, RANGE: 760 MM, INPUT: 90-130 VAC, 5 AMP, OUTPUT: SPDT ELECTROMECHANICAL RELAY, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    CAN$536.88 Buy Surplus As Low As CAN$201.89
    CAN$201.89
    Repair Yours CAN$371.20
    BANNER ENGINEERING SME312CV

    BANNER ENGINEERING

    SME312CV

    PHOTOELECTRIC SENSOR, MINI-BEAM EXPERT, VISIBLE RED, 650 NM WAVELENGTH, CONVERGENT, 16 MM FOCAL POINT, 10-30 VDC INPUT, BIPOLAR OUTPUT, 1 NPN / 1 PNP, 2 M (6.5 FT) CABLE LENGTH, (53701)
    ✓ IN STOCK!
    CAN$359.74 Buy Surplus As Low As CAN$273.41
    CAN$273.41
    Repair Yours CAN$360.00
    BANNER ENGINEERING SMB46S

    BANNER ENGINEERING

    SMB46S

    48748 - BRACKET: S; MATERIAL: 14 GAUGE 316 STAINLESS STEEL
    ✓ IN STOCK!
    CAN$69.39 Buy Surplus As Low As CAN$52.74
    CAN$52.74
    BANNER ENGINEERING SMB46L

    BANNER ENGINEERING

    SMB46L

    BRACKET, STAINLESS STEEL, BASIC RIGHT ANGLE, (48747)
    ✓ IN STOCK!
    CAN$58.44 Buy Surplus As Low As CAN$44.41
    CAN$44.41
    BANNER ENGINEERING SMB30SC

    BANNER ENGINEERING

    SMB30SC

    BRACKET, COMPACT 30 MM SWIVEL, BLACK REINFORCED THERMOPLASTIC POLYESTER, WIDE RANGE OF ARTICULATION, HARDWARE INCLUDED, (52521)
    ✓ IN STOCK!
    CAN$32.87 Buy Surplus As Low As CAN$19.72
    CAN$19.72
    BANNER ENGINEERING SMA990LT

    BANNER ENGINEERING

    SMA990LT

    26553 - VALU-BEAM: INFRARED 940 NM RETRO, RANGE: 9 M, INPUT: 10-250 V AC / 12-115 V DC, OUTPUT: BUILT-IN 6-DIGIT TOTALIZING COUNTER, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$175.61
    CAN$175.61
    Repair Yours CAN$371.20
    BANNER ENGINEERING S18SP6FF100Q

    BANNER ENGINEERING

    S18SP6FF100Q

    PHOTOELECTRIC SENSOR, S18 SERIES, EPOXY ENCAPSULATED, BARREL-MOUNT, EZ-BEAM, 10-30 VDC, FIXED FIELD, QUICK DISCONNECT, 100 MM SENSING RANGE, (30884)
    ✓ IN STOCK!
    CAN$246.79 Buy Surplus As Low As CAN$144.63
    CAN$144.63
    ALLEN BRADLEY 60-2725

    ALLEN BRADLEY

    60-2725

    ACCESSORY, SERIES 9000 PHOTOELECTRIC, MOUNTING BRACKET, HEAVY DUTY, IMPACT RESISTANT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$21.68
    CAN$21.68
    ALLEN BRADLEY 60-2303-4

    ALLEN BRADLEY

    PHOTOSWITCH

    60-2303-4

    FIBER OPTIC ASSEMBLY 99-96, W/ADAPTER 61-6374, PLASTIC, PHOTOELECTRIC ACCESSORY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$66.24
    CAN$66.24
    ALLEN BRADLEY 60-2083

    ALLEN BRADLEY

    PHOTOSWITCH

    60-2083

    PHOTOGUARD ASSEMBLY, IMPACT BRACKET, ACCESSORY, SERIES 5000 PHOTOELECTRIC, MOUNTING BRACKET, HEAVY DUTY, IMPACT RESISTANT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$28.72
    CAN$28.72
    ALLEN BRADLEY 60-1840

    ALLEN BRADLEY

    PHOTOSWITCH

    60-1840

    DISCONTINUED BY MANUFACTURER 10/16/2015, RIGHT ANGLE MIRROR, FOR SERIES 5000, USED WITH PHOTOELECTRIC SENSOR, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$89.74
    CAN$89.74
    ALLEN BRADLEY 60-1625

    ALLEN BRADLEY

    PHOTOSWITCH

    60-1625

    DISCONTINUED BY MANUFACTURER 12/16/2014, MODULE, PLUG-IN, DELAYED, ONE-SHOT, .1/1.5SECOND, SERIES 4000, PHOTOELECTRIC ACCESSORIES
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$188.35
    CAN$188.35
    ALLEN BRADLEY 40146-032-53

    ALLEN BRADLEY

    40146-032-53

    DISCONTINUED BY MANUFACTURER, LIMIT SWITCH ASSEMBLY, 8 PIN, BLADE STYLE, 802T SERIES, DIRECT OPENING ACTION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$208.21
    CAN$208.21
    CUSTOM CONTROL SENSORS 6862G1

    CUSTOM CONTROL SENSORS

    6862G1

    PRESSURE SWITCH, DUAL SNAP, 1-27 PSIG, 15 AMP, 250 VAC, 28 VDC
    ✓ IN STOCK!
    CAN$4,309.93 Buy Surplus As Low As CAN$557.56
    CAN$557.56
    Repair Yours CAN$366.16
    BANNER ENGINEERING D12SP6FV

    BANNER ENGINEERING

    D12SP6FV

    SENSOR, FIBER-OPTIC, PHOTOELECTRIC, 10-30 V DC, GLASS FIBEROPTIC SENSING MODE, PNP, VISIBLE, 2 M (6.5 FT) CABLE, 33711
    ✓ IN STOCK!
    CAN$476.62 Buy Surplus As Low As CAN$285.97
    CAN$285.97
    BANNER ENGINEERING BRT-23-14CM

    BANNER ENGINEERING

    BRT-23-14CM

    ACRYLIC REFLECTOR, BRT SERIES, 23X14 MM, 1.2 REF FACTOR, RETROREFLECTOR: RECTANGLE 19X9.7MM, MICROPRISM - REFLECTIVITY FACTOR: 1.2, MAX TEMP = 60 DEGREE C, PLASTIC - MOUNTING SCREW HOLE
    ✓ IN STOCK!
    CAN$9.23 Buy Surplus As Low As CAN$4.24
    CAN$4.24
    ALLEN BRADLEY 42SMP-7320

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMP-7320

    DISCONTINUED BY MANUFACTURER 07/13/2016, MINI RECT PHOTO SENSOR, SIDE THROUGH HOLE, FIXED FOCUS DIFFUSE, VISIBLE GREEN, MANUALLY ADJUSTABLE, NPN, DC - COMPLEMENTRY LO/DO, 3 M (10 FT) CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$170.38
    CAN$170.38
    ALLEN BRADLEY 941201–02

    ALLEN BRADLEY

    941201–02

    DISCONTINUED BY MANUFACTURER, POWER SUPPLY REDUNDANCY CABLE, 6 PIN, FEMALE CONNECTOR, FOR 1771-P4R
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$14.16
    CAN$14.16
    ALLEN BRADLEY 42LTB-5001

    ALLEN BRADLEY

    42LTB-5001

    BASE TERMINAL, FOR PHOTOELECTRIC SENSOR, MODULAR, AC, 240 VAC, RED LINE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$36.16
    CAN$36.16
    ALLEN BRADLEY 42KA-S2JNSA-A2

    ALLEN BRADLEY

    42KA-S2JNSA-A2

    ULTRA MINI PHOTO SENSOR, SIDE THROUGH HOLE, SHARP CUT OFF DIFFUSE, VISIBLE RED, 23.00 EA, MANUALLY ADJUSTABLE, NPN, DC - LIGHT OPERATE, 2 M (6.5 FT) CABLE SPEC SHEET
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$117.56
    CAN$117.56
    ALLEN BRADLEY 42GTC-9203-QD

    ALLEN BRADLEY

    42GTC-9203-QD

    SENSOR, PHOTOELECTRIC, CLEARSIGHT 9000, TIMING, CLEAR OBJECT, AC/DC - MOSFET, 4 PIN DC, MINI QD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$315.55
    CAN$315.55
    ALLEN BRADLEY 42EF-B1MNBC-A2

    ALLEN BRADLEY

    42EF-B1MNBC-A2

    PHOTOELECTRIC SENSOR, 50 MM, BACKGROUND SURPRESSION SENSOR, DC, NPN, 6.5FT CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$123.27
    CAN$123.27
    ALLEN BRADLEY 42DRF-5400

    ALLEN BRADLEY

    PHOTOSWITCH

    42DRF-5400

    PHOTOELECTRIC SERIES 5000 BLUE LINE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$568.55
    CAN$568.55
    Repair Yours CAN$360.02
    ALLEN BRADLEY 845H-SJDZ24CMY1C

    ALLEN BRADLEY

    845H-SJDZ24CMY1C

    DISCONTINUED BY MANUFACTURER, INCREMENTAL ENCODER, BULLETIN 845H, SQUARE FLANGE, 3/8 INCH SHAFT, 8-24 V DC UNREGULATED, DLD 5V DC RS-422, 500 PPR, AXIAL CONNECTOR (END), WITH MATING CONNECTO ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,073.59
    CAN$2,073.59
    Repair Yours CAN$1,685.01
    ALLEN BRADLEY 840-4A1

    ALLEN BRADLEY

    840-4A1

    AUTOMATIC FLOAT SWITCH FLOAT OPERATOR ASSEMBLY, DOUBLE ARM LEVER, DOUBLE PULLEY OR SINGLE-SHEAVE WHEEL, BASE-MOUNTED, STYLE A - INDUSTRIAL SWITCH, LOW OPERATING FORCE, CONVERTABLE FOR TANK O ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,307.99
    CAN$1,307.99
    BANNER ENGINEERING SMA912D

    BANNER ENGINEERING

    SMA912D

    OPTICAL PHOTOELECTRIC SENSOR, AC SCANNER, 25177
    ✓ IN STOCK!
    CAN$666.53 Buy Surplus As Low As CAN$305.85
    CAN$305.85
    Repair Yours CAN$371.20
    BANNER ENGINEERING SM912DSRQD

    BANNER ENGINEERING

    SM912DSRQD

    SENSOR, VALU-BEAM SERIES, DIFFUSE MODE, 380 MM MAX. SENSING RANGE, INTEGRAL QD CONNECTION, 7/8" QUICK DISCONNECT, 10-30 VDC INPUT, 1X NPN, 1X PNP OUTPUTS, (26397)
    ✓ IN STOCK!
    CAN$544.18 Buy Surplus As Low As CAN$326.51
    CAN$326.51
    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 CAN$114.75
    CAN$114.75
    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 CAN$183.58
    CAN$183.58
    BANNER ENGINEERING SM31RF

    BANNER ENGINEERING

    SM31RF

    MINIBEAM SCANNER, SM31R SERIES, W/ FIBER BLOCK, (25997)
    ✓ IN STOCK!
    CAN$257.48 Buy Surplus As Low As CAN$120.79
    CAN$120.79
    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!
    CAN$231.11 Buy Surplus As Low As CAN$138.67
    CAN$138.67
    Repair Yours CAN$360.00
    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!
    CAN$257.48 Buy Surplus As Low As CAN$154.49
    CAN$154.49
    Repair Yours CAN$360.23
    BANNER ENGINEERING D12SN6FPHQ

    BANNER ENGINEERING

    D12SN6FPHQ

    D12 SERIES: HIGH POWER PLASTIC FIBER OPTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: COMPLEMENTARY NPN, 6 IN PIGTAIL QUICK-DISCONNECT CONNECTOR, (34973)
    ✓ IN STOCK!
    CAN$522.27 Buy Surplus As Low As CAN$254.62
    CAN$254.62
    BANNER ENGINEERING D11SN6FPQ

    BANNER ENGINEERING

    D11SN6FPQ

    DISCONTINUED BY MANUFACTURER, PLASTIC FIBER OPTIC, D11 SERIES, RANGE: DEPENDS ON FIBER, INPUT: 10-30 V DC, OUTPUT: COMPLEMENTARY NPN, QUICK-DISCONNECT CONNECTOR, 43344
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$281.70
    CAN$281.70
    Repair Yours CAN$360.02
    BANNER ENGINEERING BT2.53S

    BANNER ENGINEERING

    BT2.53S

    17867 - DIFFUSE MODE BIFURCATED GLASS FIBER 36 LONG; 0.156 DIA. BUNDLE; STAINLESS STEEL SHEATH; THREADED SENSING TIP
    ✓ IN STOCK!
    CAN$430.96 Buy Surplus As Low As CAN$223.52
    CAN$223.52
    BANNER ENGINEERING BR23S

    BANNER ENGINEERING

    BR23S

    GLASS FIBER, DIFFUSE MODE 9.7 MM, X 0.81 MM ARRAY BUNDLE, STAINLESS STEEL SHEATHING, .91 M LONG, 25.4 MM X 19 MM PLASTIC RECTANGLE SENSING TIP
    ✓ IN STOCK!
    CAN$414.53 Buy Surplus As Low As CAN$248.72
    CAN$248.72
    ALLEN BRADLEY 42SRP-6026

    ALLEN BRADLEY

    PHOTOSWITCH

    42SRP-6026

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, SERIES 6000, DIFFUSE, FIXED FOCUS, VISIBLE RED 660NM, 20-264 VAC/DC, LIGHT ON, POWER MOSFET, 3 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$368.87
    CAN$368.87
    Repair Yours CAN$371.20
    ALLEN BRADLEY 42SRP-6023

    ALLEN BRADLEY

    PHOTOSWITCH

    42SRP-6023

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, SERIES 6000, DIFFUSE, FIXED FOCUS, VISIBLE RED 660NM, 10-30 VDC, DARK ON, NPN/PNP, 3 METER CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$346.96
    CAN$346.96
    Repair Yours CAN$360.00
    ALLEN BRADLEY 42SMP-7320-QD

    ALLEN BRADLEY

    PHOTOSWITCH

    42SMP-7320-QD

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, 7000 SERIES, MINI RECTANGULAR, FIXED FOCUS DIFFUSE, 0.60 INCH FOV, 0.2 INCH MIN SENSING DISTANCE, 11-28 VDC, NO / NC, GREEN LED 570 NM, NP ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$269.96
    CAN$269.96
    ALLEN BRADLEY 42RC1-4001

    ALLEN BRADLEY

    PHOTOSWITCH

    42RC1-4001

    DISCONTINUED BY MANUFACTURER, ACCESSORY, FOR 22/23, SERIES 4000
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$393.81
    CAN$393.81
    Repair Yours CAN$370.17
    ALLEN BRADLEY 42KB-D2LNSG-A2

    ALLEN BRADLEY

    42KB-D2LNSG-A2

    MICRO RECTANGULAR SENSOR, SIDE THROUGH HOLE, STANDARD DIFFUSE, VISIBLE RED, 300.00 EA, MANUALLY ADJUSTABLE, NPN, DC LO OR DO SELECTABLE, 2 M (6.5 FT) CABLE, PLASTIC, SIDE VIEW, SIDE THROUGH ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$73.04
    CAN$73.04
    ALLEN BRADLEY 42BA-S1LPAG-A2

    ALLEN BRADLEY

    PHOTOSWITCH

    42BA-S1LPAG-A2

    DISCONTINUED BY MANUFACTURER 08/31/2018, PHOTOELECTRIC SENSOR, RECTANGULAR, 200 MM, PNP, 2M CABLE, 12-24 VDC, 33 MA, 13.4 X 25 X 35 MM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$219.69
    CAN$219.69
    ALLEN BRADLEY 194L-HE8G-175

    ALLEN BRADLEY

    194L-HE8G-175

    CONTROL AND LOAD SWITCHES, SERIES 194L, SCREW-MOUNTING HANDLE, 90 MM X 90 MM, DISC/LOCKABLE TYPE LEGEND PLATE, GREY/BLACK, MARKING - O-I
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$71.13
    CAN$71.13
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