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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 201-250 of 524.
    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 D12SP6FPHQ

    BANNER ENGINEERING

    D12SP6FPHQ

    FIBER OPTIC SENSOR, D12 SERIES: HIGH POWER PLASTIC, RANGE: DEPENDS ON FIBER, INPUT: 10-30 VDC, OUTPUT: COMPLEMENTARY PNP, 6 IN PIGTAIL QUICK-DISCONNECT CONNECTOR, (34974)
    ✓ IN STOCK!
    CAN$522.27 Buy Surplus As Low As CAN$313.36
    CAN$313.36
    BANNER ENGINEERING D12SP6FPH

    BANNER ENGINEERING

    D12SP6FPH

    34972 - D12 SERIES: HIGH POWER PLASTIC FIBER OPTIC; RANGE: DEPENDS ON FIBER; INPUT: 10-30 V DC; OUTPUT: COMPLEMENTARY PNP; 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    CAN$476.62 Buy Surplus As Low As CAN$285.97
    CAN$285.97
    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 SMA95R

    BANNER ENGINEERING

    SMA95R

    VALU-BEAM: RECEIVER, RANGE: 60 M, INPUT: 90-130 VAC, OUTPUT: SPDT ELECTROMECHANICAL RELAY, 2 M (6.5 FT) CABLE, (25887)
    ✓ IN STOCK!
    CAN$483.92 Buy Surplus As Low As CAN$220.97
    CAN$220.97
    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
    BANNER ENGINEERING SMA91EF

    BANNER ENGINEERING

    SMA91EF

    25563 - VALU-BEAM: GLASS FIBER OPTIC EMI,TTER, RANGE: DEPENDS ON FIBER, INPUT: 10-250V AC/DC, OUTPUT: NOT APPLICABLE - NO OUTPUTS, 2 M (6.5 FT) CABLE
    ✓ IN STOCK!
    CAN$423.66 Buy Surplus As Low As CAN$254.19
    CAN$254.19
    Repair Yours CAN$360.00
    BANNER ENGINEERING SM512DBX

    BANNER ENGINEERING

    SM512DBX

    DISCONTINUED BY MANUFACTURER, SCANNER, DB W/MORE POWER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$284.87
    CAN$284.87
    BANNER ENGINEERING SM312FVGQD

    BANNER ENGINEERING

    SM312FVGQD

    MINI-BEAM: VISIBLE GREEN 525 NM GLASS FIBER OPTIC; RANGE: DEPENDS ON FIBER; INPUT: 10-30 VDC; OUTPUT: BIPOLAR: 1 NPN; 1 PNP; M12 QUICK DISCONNECT, (50987)
    ✓ IN STOCK!
    CAN$289.48 Buy Surplus As Low As CAN$173.69
    CAN$173.69
    Repair Yours CAN$360.00
    BANNER ENGINEERING QM42VN6LP

    BANNER ENGINEERING

    QM42VN6LP

    PHOTOELECTRIC SENSOR, QM42 SERIES, POLARIZED RETRO, 3-METER RANGE, INPUT 10-30 V DC, SPDT, COMPLEMENTARY NPN, 2 METER (6.5 FT) CABLE, 44902
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$234.60
    CAN$234.60
    Repair Yours CAN$360.02
    BANNER ENGINEERING Q853E

    BANNER ENGINEERING

    Q853E

    31648 - Q85 SERIES: EMITTER; RANGE: 23 M; INPUT: 12-240V DC / 24-240V AC; OUTPUT: NOT APPLICABLE - NO OUTPUTS; WIRING CHAMBER
    ✓ IN STOCK!
    CAN$205.66 Buy Surplus As Low As CAN$105.17
    CAN$105.17
    Repair Yours CAN$360.02
    BANNER ENGINEERING Q45BW22LPC1

    BANNER ENGINEERING

    Q45BW22LPC1

    54015 - Q45BW22LPC1 600 V CABLE 120/240 V AC AC SOLID STATE
    ✓ IN STOCK!
    CAN$399.92 Buy Surplus As Low As CAN$263.95
    CAN$263.95
    Repair Yours CAN$368.87
    BANNER ENGINEERING Q40SN6RQ

    BANNER ENGINEERING

    Q40SN6RQ

    PHOTOELECTRIC SENSOR, RECEIVER, 60 METER SENSING DISTANCE, 10-30 VDC, NPN OUTPUT, 4 PIN, 30 MM BARREL DIAMETER, 150 MA MAX LOAD, Q40 SERIES, RECTANGULAR HOUSING STYLE
    ✓ IN STOCK!
    CAN$222.79 Buy Surplus As Low As CAN$62.99
    CAN$62.99
    Repair Yours CAN$369.63
    BANNER ENGINEERING LM05

    BANNER ENGINEERING

    LM05

    18632 - LOGIC MODULE MULTIBEAM 0-5VDEPENDS ON SENSOR; INPUT: ON POWER BLOCK; FUNCTION: ON-OFF LIGHT OPERATE; INTERCONNECTING PINS
    ✓ IN STOCK!
    CAN$425.48 Buy Surplus As Low As CAN$323.37
    CAN$323.37
    BANNER ENGINEERING L4

    BANNER ENGINEERING

    L4

    16276 - GLASS LENS: DELRIN HOUSING, ACCEPTS 3/8 X 32 THREAD, FOR USE WITH LR400 & PT400 SENSORS
    ✓ IN STOCK!
    CAN$76.70 Buy Surplus As Low As CAN$46.63
    CAN$46.63
    BANNER ENGINEERING L2RA

    BANNER ENGINEERING

    L2RA

    OPPOSED FIBER LENS FOR LONGER RANGE; ACCEPTS M2.5 & M2.6 THREADED FIBERS; RIGHT-ANGLE BEAM DEFLECTION
    ✓ IN STOCK!
    CAN$88.82 Buy Surplus As Low As CAN$61.36
    CAN$61.36
    BANNER ENGINEERING L16F

    BANNER ENGINEERING

    L16F

    16280 - GLASS LENS: DELRIN HOUSING, ACCE,PTS 5/16 X 24 THREAD, LONG RANGE OR RETROREFLECTIVE SENSING, 105C MAX TEMP
    ✓ IN STOCK!
    CAN$104.09 Buy Surplus As Low As CAN$68.71
    CAN$68.71
    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!
    CAN$374.35 Buy Surplus As Low As CAN$247.07
    CAN$247.07
    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!
    CAN$299.48 Buy Surplus As Low As CAN$151.07
    CAN$151.07
    BANNER ENGINEERING IT25S

    BANNER ENGINEERING

    IT25S

    FIBER OPTIC SENSOR, FIBER, GLASS SERIES, 5FT/1.5M LENGTH, 17359
    ✓ IN STOCK!
    CAN$259.31 Buy Surplus As Low As CAN$74.49
    CAN$74.49
    BANNER ENGINEERING IAT2.51S

    BANNER ENGINEERING

    IAT2.51S

    FIBER OPTIC SENSOR, GLASS FIBER SERIES, DIFFUSE-REFLECTIVE SENSOR, 4MM FIBER CORE, RIGHT-ANGLED SENSING, INDIVIDUAL FIBER SIDE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$200.77
    CAN$200.77
    BANNER ENGINEERING LR200

    BANNER ENGINEERING

    LR200

    DISCONTINUED BY MANUFACTURER,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!
    Buy Surplus As Low As CAN$227.27
    CAN$227.27
    BANNER ENGINEERING LP510CV

    BANNER ENGINEERING

    LP510CV

    LP510CV SCANNER, PART # 16306
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$106.83
    CAN$106.83
    Repair Yours CAN$360.02
    BANNER ENGINEERING LMT

    BANNER ENGINEERING

    LMT

    16304 - MULTI-BEAM: TEST MODULE, MAY BE USED WITH ALL 2- 3- AND 4-WIRE MULTI-BEAM; SENSORS, TO CHECK OPERATION OF SENSOR BLOCK; AND POWER BLOCK
    ✓ IN STOCK!
    CAN$273.92 Buy Surplus As Low As CAN$111.14
    CAN$111.14
    BANNER ENGINEERING ITA25S

    BANNER ENGINEERING

    ITA25S

    FIBER OPTIC CABLE, (20164), Q45 SERIES, RIGHT ANGLE, STAINLESS STEEL MATERIAL, #5/16-24 THREAD
    ✓ IN STOCK!
    CAN$436.44 Buy Surplus As Low As CAN$261.86
    CAN$261.86
    BANNER ENGINEERING IT23P

    BANNER ENGINEERING

    IT23P

    FIBER OPTICS, GLASS FIBER, OPPOSED, THREAD
    ✓ IN STOCK!
    CAN$213.66 Buy Surplus As Low As CAN$128.19
    CAN$128.19
    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 CAN$192.82
    CAN$192.82
    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 CAN$31.26
    CAN$31.26
    ALLEN BRADLEY 42DBS-5000

    ALLEN BRADLEY

    PHOTOSWITCH

    42DBS-5000

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, 10-30 VDC INPUT, 30 VDC OUTPUT, 24 VDC, WITH NPN AND PNP, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$740.32
    CAN$740.32
    Repair Yours CAN$505.52
    ALLEN BRADLEY 845N-SJDN3-CKY2

    ALLEN BRADLEY

    845N-SJDN3-CKY2

    ENCODER, INCREMENTAL, OPTICAL, METAL, WITH SHAFT, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$347.74
    CAN$347.74
    Repair Yours CAN$373.15
    ALLEN BRADLEY 845L-SAJZ23-CKY3

    ALLEN BRADLEY

    845L-SAJZ23-CKY3

    ENCODER,INCREMENTAL OPTICAL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$200.32
    CAN$200.32
    Repair Yours CAN$373.15
    ALLEN BRADLEY 194L-E12-4531

    ALLEN BRADLEY

    194L-E12-4531

    LOAD SWITCH, 194L, 12 AMP,1 POLE,STEP 1-2-3-4-5-6 60,OPEN,FRONT/DOOR,SELECT ACTUATOR SEPARATELY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$86.19
    CAN$86.19
    BANNER ENGINEERING SMA912FQD

    BANNER ENGINEERING

    SMA912FQD

    AC SCANNER, FIBER WITH QUICK DISCONNECT, 24-130 VAC, (25517)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$167.32
    CAN$167.32
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