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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 664.
    STEIN SOHN A055.3.1K

    STEIN SOHN

    A055.3.1K

    DISCONTINUED BY MANUFACTURER, THERMOCOUPLE TRANSMITTER, 18-32VDC, 500OHM 24VDC, 600C/DEG
    ✓ IN STOCK!
    Buy Surplus As Low As $30.27
    $30.27
    HTM SENSORS OCN2-1816C-ARS4

    HTM SENSORS

    OCN2-1816C-ARS4

    PROXIMITY SWITCH, CYLINDRICAL UNSHIELDED CONSTRUCTION
    ✓ IN STOCK!
    $78.30 Buy New $78.30
    $27.66
    MICROPAC TECHNOLOGIES FCSTSC03M

    MICROPAC TECHNOLOGIES

    FCSTSC03M

    MICROPAC TECHNOLOGIES , FCSTSC03M, FIBER OPTIC CABLE, ST TO LC DUPLEX CONNECTORS, 3METER LENGTH
    ✓ IN STOCK!
    $9.38 Buy Surplus As Low As $3.98
    $3.98
    MICROPAC TECHNOLOGIES FCSTSC02M

    MICROPAC TECHNOLOGIES

    FCSTSC02M

    MICROPAC TECHNOLOGIES , FCSTSC02M, FIBER OPTIC PATCH CABLE, ST TO SC DUPLEX CONNECTORS, 2METERS LENGTH
    ✓ IN STOCK!
    $16.11 Buy Surplus As Low As $6.72
    $6.72
    TURCK RSSD RJ45S 423-36M

    TURCK

    RSSD RJ45S 423-36M

    UX04805, DISCONTINUED BY MANUFACTURER, DOUBLE ENDED CORDSET, 1.5AMP, 42V, 4PIN, (UX04805) , RSSD RJ45S 423-36M
    ✓ IN STOCK!
    $440.00 Buy New $440.00
    $335.00
    TURCK PSG 3-1.5

    TURCK

    PSG 3-1.5

    U-72068, (U-72068) PICOFAST MOLDED CORDSET, 1.5 M LENGTH, 125 V, 4 AMP, 24 AWG , PSG 3-1.5
    ✓ IN STOCK!
    $23.00 Buy New $23.00
    $12.00
    TURCK RKC 4.5T-1-RSM 50/S1587

    TURCK

    RKC 4.5T-1-RSM 50/S1587

    U-35754, CORDSET, M12 EUROFAST, STRAIGHT FEMALE CONNECTOR, MEDIUM PLUG BODY, 7/8" MINIFAST, STRAIGHT MALE CONNECTOR, NICKEL PLATED BRASS COUPLING, 5 WIRE, T BARB FITTING, 1 METER LENGTH, NO ...
    ✓ IN STOCK!
    $78.00 Buy New $78.00
    $60.00
    RED LION CONTROLS PNL3D000

    RED LION CONTROLS

    PNL3D000

    PANELS FOR UTILITY ENCLOSURES PANEL FOR LYNX SERIES W/KEYLOCK
    ✓ IN STOCK!
    $39.00 Buy Surplus As Low As $30.00
    $30.00
    OMRON E3X-DAG41-N

    OMRON

    E3X-DAG41-N

    SENSOR, FIBER AMPLIFIER, PRE-WIRED, 2 METER CABLE, MARK-DETECTING MODEL, GREEN LED, PNP, TIMER, RESPONSE SPEED CHANGE
    ✓ IN STOCK!
    $371.00 Buy Surplus As Low As $282.00
    $282.00
    OMRON D4D-1A27N

    OMRON

    D4D-1A27N

    DISCONTINUED BY MANUFACTURER, SAFETY LIMIT SWITCH, SERIES: D4D-N, PG13.5, 2NC (SLOW-ACTION), ADJUSTABLE ROLLER LEVER (WITH 50 DIA. RUBBER ROLLER)
    ✓ IN STOCK!
    Buy Surplus As Low As $107.00
    $107.00
    OMRON D4D1527R

    OMRON

    D4D1527R

    SAFETY LIMIT SWITCH
    ✓ IN STOCK!
    $59.00 Buy Surplus As Low As $45.00
    $45.00
    ALLEN BRADLEY 194E-AA63E

    ALLEN BRADLEY

    194E-AA63E

    LOAD SWITCH, SERIES 194E, ENCLOSED, DISCONNECT, SMALL-FRAME SWITCH, W/194R HANDLES, UL TYPE 1, IP54 PAINTED STEEL, HINGED, 63 AMP LOAD, RED/YELLOW HANDLE, 3 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $270.31
    $270.31
    TURCK NI8-GT18-ADZ30X2-B1331/S34/S1589

    TURCK

    NI8-GT18-ADZ30X2-B1331/S34/S1589

    (4208890), SENSOR, NONEMBEDDABLE, INDUCTIVE, 8MM RANGE, FULL THREAD, PTFE, 18MM SIZE, NORMALLY OPEN, 2-WIRE AC/DC SCP, 20-250 VAC / 10-300 VDC, 2 LEDS, MINIFAST 7/8" MALE/METAL, STRAIGHT W/A ...
    ✓ IN STOCK!
    $341.00 Buy New $341.00
    $223.31
    ALLEN BRADLEY 194E-CA80E

    ALLEN BRADLEY

    194E-CA80E

    LOAD SWITCH, SERIES 194E, ENCLOSED, DISCONNECT, SMALL-FRAME SWITCH, W/194R HANDLES, UL TYPE 4/4X, IP66 STAINLESS STEEL, HINGED, 80 AMP LOAD, RED/YELLOW HANDLE, 3 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $403.14
    $403.14
    ALLEN BRADLEY 194E-KA20-P11-PE

    ALLEN BRADLEY

    194E-KA20-P11-PE

    LOAD SWITCH, SERIES 194E, ENCLOSED, DISCONNECT, SMALL-FRAME SWITCH, W/194R HANDLES, UL TYPE 3/4/4X, IP66 NON-METALLIC, 25 AMP LOAD, GREY/BLACK HANDLE, 1 NO / 1 NC AUX CONTACTS, GROUNDING POL ...
    ✓ IN STOCK!
    Buy Surplus As Low As $425.25
    $425.25
    ALLEN BRADLEY 42EF-R9SFBV-G4

    ALLEN BRADLEY

    PHOTOSWITCH

    42EF-R9SFBV-G4

    DISCONTINUED BY MANUFACTURER 2017-02-16, PHOTO SENSOR, RIGHTSIGHT, 18 MM CYLINDRICAL, FRONT THROUGH HOLE, TRANSMITTED BEAM RECEIVER, 2000.00 EA, NOT ADJUSTABLE SENSITIVITY, AC/DC - DARK OPER ...
    ✓ IN STOCK!
    Buy Surplus As Low As $44.39
    $44.39
    TURCK BI5-G18-RP6X

    TURCK

    BI5-G18-RP6X

    (4641498), SENSOR, EMBEDDABLE, INDUCTIVE, 5MM RANGE, FULL THREADING, 18MM SIZE, NORMALLY CLOSED, PNP (SOURCING), 10-30 VDC, 1 LED, 2 METER CABLE , BI5-G18-RP6X
    ✓ IN STOCK!
    $188.63 Buy New $188.63
    $104.82
    TURCK RK 31-15M

    TURCK

    RK 31-15M

    U2038-4, STRAIGHT FEMALE 7/8, MINIFAST MOLDED CORDSETS , RK 31-15M
    ✓ IN STOCK!
    $111.00 Buy New $111.00
    $38.25
    SICK ST130-S19

    SICK

    ST130-S19

    DISCONTINUED BY MANUFACTURER, PROXIMITY SENSOR, (6011084)ST130-S19 PROX OPT HEAD, FOCUSED PROXIMITY/MARK HEAD FOR SI 130, 16MM FOCUS, GREEN, 1X4MM SPOT
    ✓ IN STOCK!
    Buy Surplus As Low As $114.88
    $114.88
    RADWELL VERIFIED SUBSTITUTE SM312C2QD-SUB

    RADWELL VERIFIED SUBSTITUTE

    SM312C2QD-SUB

    REPLACEMENT OF BANNER ENGINEERING SM312C2QD, PHOTOELECTRIC SENSOR - MINI BEAM - CONVERGENT BEAM 43MM SENSING RANGE, RECEIVER, PNP/NPN, M12 QD, LIGHT ON/DARK ON
    ✓ IN STOCK!
    $89.00 Buy New $89.00
    Repair Yours $300.00
    MOLEX 403000E03M050

    MOLEX

    WOODHEAD

    403000E03M050

    DISCONTINUED BY MANUFACTURER, SINGLE-ENDED CORDSET, 3 POLES, 300 V, PVC CABLE, STRAIGHT FEMALE, YELLOW, LENGTH: 5.03 M, 1200270002
    ✓ IN STOCK!
    Buy Surplus As Low As $23.00
    $23.00
    RADWELL RAD01382

    RADWELL

    RAD01382

    PROXIMITY SENSOR - M18 INDUCTIVE, CYLINDRICAL, SHIELDED, THREADED, 5MM RANGE, 3-WIRE PNP, N/O, 4-PIN MINI QD
    ✓ IN STOCK!
    $85.30 Buy New $85.30
    $40.40
    TURCK RSSD RSSD 423-11M

    TURCK

    RSSD RSSD 423-11M

    U-84400, DOUBLE-ENDED CORDSET, 4AMP, 250V, 4PIN, STRAIGHT MALE CONNECTOR TO STRAIGHT MALE CONNECTOR, (U-84400) , RSSD RSSD 423-11M
    ✓ IN STOCK!
    $209.00 Buy New $209.00
    $159.00
    ALLEN BRADLEY 802M-DZJ9LF

    ALLEN BRADLEY

    802M-DZJ9LF

    SEALED LIMIT SWITCH, COMPLETE SWITCH, PUSH, TOP PUSH ROLLER, 2 CIRCUITS, MINI QUICK DISCONNECT, 5 PIN MINI TYPE (J9 WIRING), 24 VDC LED TO NORMALLY OPEN, STANDARD BODY
    ✓ IN STOCK!
    Buy Surplus As Low As $235.94
    $235.94
    ALLEN BRADLEY 802M-DY5

    ALLEN BRADLEY

    802M-DY5

    LIMIT SWITCH, PRE-WIRED FACTORY SEALED, COMPLETE SWITCH, TOP PUSH ROLLER, 2-CIRCUIT, 5 FT CABLE, IP67, NEMA 13
    Buy Surplus As Low As $191.10
    $191.10
    ALLEN BRADLEY 802M-AY5NF

    ALLEN BRADLEY

    802M-AY5NF

    SEALED LIMIT SWITCH, COMPLETE SWITCH, ROTARY LEVER SPRING RETURN, ROTARY STANDARD TRIP, 2 CIRCUITS, CABLE, 5 FT STANDARD, CW AND CCW OPERATION, STANDARD, 120V AC 50/60 HZ NEON TO NO, 2 CIRCU ...
    ✓ IN STOCK!
    Buy Surplus As Low As $456.01
    $456.01
    ALLEN BRADLEY 802M-AY12NF

    ALLEN BRADLEY

    802M-AY12NF

    SEALED LIMIT SWITCH, COMPLETE SWITCH, ROTARY LEVER SPRING RETURN, ROTARY STANDARD TRIP, 2 CIRCUITS, CABLE, 12 FT, CW AND CCW OPERATION, STANDARD, 120V AC
    ✓ IN STOCK!
    Buy Surplus As Low As $227.59
    $227.59
    ALLEN BRADLEY 802M-AJ9

    ALLEN BRADLEY

    802M-AJ9

    LIMIT SWITCH, PRE-WIRED FACTORY SEALED, COMPLETE SWITCH, LEVER TYPE, SPRING RETURN, STANDARD OPERATING TORQUE, 2-CIRCUIT, CW AND CCW DIRECTIONS, 5-PIN
    ✓ IN STOCK!
    Buy Surplus As Low As $211.19
    $211.19
    ALLEN BRADLEY 802M-A1Y5

    ALLEN BRADLEY

    802M-A1Y5

    SEALED LIMIT SWITCH, COMPLETE SWITCH, ROTARY LEVER SPRING RETURN, ROTARY STANDARD TRIP, 2 CIRCUITS, CABLE, 5 FT STANDARD, CW OP ONLY, LVR CAN BE MOVD CCW, STANDARD, 2 CIRCUIT, 4 CIRCUIT NEUT ...
    ✓ IN STOCK!
    Buy Surplus As Low As $209.00
    $209.00
    ALLEN BRADLEY 1485R-P2R5-D5

    ALLEN BRADLEY

    1485R-P2R5-D5

    DEVICENET PHYSICAL MEDIA,THIN MEDIA, YELLOW CPE,STANDARD PASSIVE CABLE,MICRO, STRAIGHT FEMALE,STANDARD 5-PIN,MICRO, STRAIGHT MALE,STANDARD 5-PIN,MICRO, STRAIGHT FEMALE,MICRO, STRAIGHT MALE,S ...
    ✓ IN STOCK!
    Buy Surplus As Low As $104.94
    $104.94
    ALLEN BRADLEY 1485R-P2N5-M5

    ALLEN BRADLEY

    1485R-P2N5-M5

    CORDSET, MINI-LINE MALE TO MINI FEMALE, 5 PINS, 3A, 24 VDC, THIN MEDIA, YELLOW CPE, STANDARD-EPOXY COATED ZINC, 2M LENGTH, DEVICENET PHYSICAL MEDIA
    ✓ IN STOCK!
    Buy Surplus As Low As $78.87
    $78.87
    ALLEN BRADLEY 1485R-P1R5-F5

    ALLEN BRADLEY

    1485R-P1R5-F5

    DEVICENET PHYSICAL MEDIA,THIN MEDIA, YELLOW CPE,STANDARD PASSIVE CABLE,MICRO, STRAIGHT FEMALE,STANDARD 5-PIN,MICRO, RIGHT ANGLE MALE,STANDARD 5-PIN,MICRO, STRAIGHT FEMALE,MICRO, RIGHT ANGLE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $96.60
    $96.60
    ALLEN BRADLEY 1485K-P2F5-N5

    ALLEN BRADLEY

    1485K-P2F5-N5

    KWIKLINK CORDSET, PVC, STANDARD PASSIVE CABLE, MINI, STRAIGHT FEMALE, STANDARD 5-PIN, MICRO, RIGHT ANGLE MALE,STANDARD 5-PIN,MICRO, RIGHT ANGLE MALE, MINI, STRAIGHT FEMALE, STANDARD - EPOXY ...
    ✓ IN STOCK!
    Buy Surplus As Low As $9.35
    $9.35
    BANNER ENGINEERING MIAD9LVQ

    BANNER ENGINEERING

    MIAD9LVQ

    PHOTOELECTRIC SENSOR, MINI-BEAM SERIES, RETROREFLECTIVE, VISIBLE RED BEAM, 5 METER RANGE, 5-15 VDC INPUT, EURO M12 4-PIN INTEGRAL QUICK DISCONNECT, IP67 ENCLOSURE PROTECTION, (34474)
    ✓ IN STOCK!
    $233.10 Buy Surplus As Low As $156.59
    $156.59
    BANNER ENGINEERING MBC-3

    BANNER ENGINEERING

    MBC-3

    RECEPTACLE, MINI-STYLE QUICK DISCONNECT, CHROME PLATED BRASS HOUSING, STRAIGHT CONNECTOR, 3 PIN MALE PIN-OUT, 300 MM (12 IN), 25237
    ✓ IN STOCK!
    $41.00 Buy Surplus As Low As $24.00
    $24.00
    BANNER ENGINEERING MA3

    BANNER ENGINEERING

    MA3

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC AMPLIFIER, ON/OFF, 10-30 VDC, 150 MA, (19724)
    ✓ IN STOCK!
    Buy Surplus As Low As $238.40
    $238.40
    BANNER ENGINEERING M18SP6RQ

    BANNER ENGINEERING

    M18SP6RQ

    PHOTOELECTRIC SENSOR, RECEIVER, 20 METER RANGE, 10-30 VDC INPUT, PNP, 4 PIN, QD, M18
    ✓ IN STOCK!
    $131.00 Buy Surplus As Low As $82.50
    $82.50
    BANNER ENGINEERING M18SP6FF100Q

    BANNER ENGINEERING

    M18SP6FF100Q

    SENSOR, 48675 - EZ-BEAM M18 SERIES: FIXED FIELD, RANGE: 100 MM, INPUT: 10-30 V DC, OUTPUT: COMPLEMENTARY PNP, EURO M12 4-PIN INTEGRAL QD
    ✓ IN STOCK!
    $225.75 Buy Surplus As Low As $151.58
    $151.58
    Repair Yours $300.00
    BANNER ENGINEERING LR400VH

    BANNER ENGINEERING

    LR400VH

    DISCONTINUED BY MANUFACTURER, REMOTE SENSOR EMITTER, LR400, 2.4 M RANGE, 1 INCH BARREL, SCANNER
    ✓ IN STOCK!
    Buy Surplus As Low As $130.96
    $130.96
    ASCO PC11A

    ASCO

    PC11A

    DISCONTINUED BY MANUFACTURER, LINE SWITCH, TWO-STAGE DUEL ADJUSTMENT, WATERTIGHT
    ✓ IN STOCK!
    Buy Surplus As Low As $45.00
    $45.00
    Repair Yours $300.00
    ALLEN BRADLEY 99-33-1

    ALLEN BRADLEY

    PHOTOSWITCH

    99-33-1

    DISCONTINUED BY MANUFACTURER, FIBER OPTIC REFLECTIVE SCANNER CABLE, GLASS FIBER OPTIC CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $99.65
    $99.65
    ANTUNES CONTROLS 804111704

    ANTUNES CONTROLS

    804111704

    GAS SWITCH, DOUBLE GAS, MANUAL RESET, (HLGP-A MR 2-16"HI 2-14"LO)
    ✓ IN STOCK!
    $325.93 Buy Surplus As Low As $227.25
    $227.25
    Repair Yours $300.00
    ALLEN BRADLEY 802T-CWP

    ALLEN BRADLEY

    802T-CWP

    LIMIT SWITCH, NEMA TYPE 4 AND 13 OILTIGHT CONSTRUCTION, PLUG-IN, CAT WHISKER, WIRE, 2-CIRCUIT, WHOLE SWITCH
    ✓ IN STOCK!
    Buy Surplus As Low As $204.75
    $204.75
    ALLEN BRADLEY 802T-APU

    ALLEN BRADLEY

    802T-APU

    LIMIT SWITCH, NEMA TYPE 4/13, OILTIGHT CONSTRUCTION, PLUG-IN, LEVER TYPE, SPRING RETURN, STANDARD OPERATING TORQUE, 2-CIRCUIT, CW AND CCW OPERATION, 600 VAC MAX, 10 AMP MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $146.70
    $146.70
    ALLEN BRADLEY 802T-AL

    ALLEN BRADLEY

    802T-AL

    LIMIT SWITCH, NEMA TYPE 4/13, OILTIGHT CONSTRUCTION, NON-PLUG-IN, LEVER TYPE, SPRING RETURN, LOW OPERATING TORQUE, 2-CIRCUIT, CW AND CCW OPERATION, 600 VAC MAX, 10 AMP MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $147.91
    $147.91
    ALLEN BRADLEY 802M-K1X

    ALLEN BRADLEY

    802M-K1X

    SEALED LIMIT SWITCH, HEAD ONLY, PUSH, HORIZONTAL SIDE PUSH ROLLER, OPERATING HEAD ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $40.00
    $40.00
    ALLEN BRADLEY 802M-HX

    ALLEN BRADLEY

    802M-HX

    LIMIT SWITCH, OPERATOR ONLY, LEVER TYPE, CW/CCW, HEAD ONLY, ROTARY LEVER SPRING RETURN, ROTARY SHORT TRIP, CW AND CCW OPERATION, OPERATING HEAD ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $79.30
    $79.30
    BANNER ENGINEERING SMA915DQD

    BANNER ENGINEERING

    SMA915DQD

    25882 - VALU-BEAM: DIFFUSE, RANGE: 760 MM, INPUT: 90-130 V AC, OUTPUT: SPDT ELECTROMECHANICAL RELAY, MINI-STYLE INTEGRAL QD
    ✓ IN STOCK!
    $324.00 Buy Surplus As Low As $220.50
    $220.50
    Repair Yours $300.00
    BANNER ENGINEERING S18SP6FF50Q

    BANNER ENGINEERING

    S18SP6FF50Q

    PHOTOELECTRIC SENSOR, S18 SERIES, EPOXY ENCAPSULATED, BARREL-MOUNT, EZ-BEAM, 10-30 VDC, FIXED FIELD, QUICK DISCONNECT, 50 MM SENSING RANGE, (30883)
    ✓ IN STOCK!
    $176.00 Buy Surplus As Low As $119.25
    $119.25
    BANNER ENGINEERING S18SP6FF25Q

    BANNER ENGINEERING

    S18SP6FF25Q

    PHOTOELECTRIC SENSOR, S18 SERIES, EPOXY ENCAPSULATED, BARREL-MOUNT, EZ-BEAM, 10-30 VDC, FIXED FIELD, QUICK DISCONNECT, 25 MM SENSING RANGE, EURO M12 4-PIN INTEGRAL QD, (50561)
    ✓ IN STOCK!
    $184.80 Buy Surplus As Low As $124.41
    $124.41
    Repair Yours $300.00
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