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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 51-100 of 788.
    KEYENCE CORP FD-Q20C

    KEYENCE CORP

    FD-Q20C

    FLOW TRANSMITTER, FD-Q SERIES, CLAMP-ON, DIGITAL, FLOW SENSOR, 15-20AMP, 4-DIGIT, 7-SEGMENT DISPLAY, 3HZ
    ✓ IN STOCK!
    $1,669.77 Buy Surplus As Low As $911.70
    $911.70
    Repair Yours Contact Us
    BELDEN PTQ-AFC

    BELDEN

    PROSOFT

    PTQ-AFC

    DISCONTINUED BY MANUFACTURER, COMPUTER MODULE, FOR QUANTUM, LIQUID AND GAS FLOW, 16 CHANNELS, 2 PORTS
    ✓ IN STOCK!
    Buy Surplus As Low As $3,344.00
    $3,344.00
    Repair Yours Contact Us
    FANUC EP-3468

    FANUC

    GE FANUC

    EP-3468

    RSTI-EP ANALOG INPUT, 8 CHANNELS CURRENT 16 BITS WITH DIAGNOSTICS 2, 3, OR 4 WIRE - REQUIRES EP-8360
    ✓ IN STOCK!
    $825.77 Buy Surplus As Low As $603.98
    $603.98
    FANUC EPXMBE001

    FANUC

    GE FANUC

    EPXMBE001

    RSTI-EP MODBUS TCP NETWORK ADAPTER, 2 CU RJ45 PORTS, 2048 BYTES (INPUT + OUTPUT)
    ✓ IN STOCK!
    $1,378.65 Buy Surplus As Low As $579.74
    $579.74
    Repair Yours Contact Us
    FANUC EPXPNS001

    FANUC

    GE FANUC

    EPXPNS001

    PROFINET NETWORK ADAPTER, RSTI-EP, UP TO 64 ACTIVE RSTI-EP MODULES, 2X ETHERNET PORTS, INTEGRATED SWITCH, MODBUS NETWORK ADAPTER / USE, 2X RJ-45
    ✓ IN STOCK!
    $921.80 Buy Surplus As Low As $874.50
    $874.50
    Repair Yours Contact Us
    TURCK FCS-N1/2A4P-ARX-B3141/115VAC

    TURCK

    FCS-N1/2A4P-ARX-B3141/115VAC

    FLOW SENSOR, INSERTION PROBE, 1/2 NPT CONNECTION, 315 STAINLESS STEEL PROBE, PBT HOUSING, N/O RELAY, MICROFAST 4-PIN CONNECTION, 115 VAC, (6871037)
    ✓ IN STOCK!
    $767.00 Buy New $767.00
    $507.00
    Repair Yours Contact Us
    HONEYWELL FSL100-IR3

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    FSL100-IR3

    FLAME DETECTOR, WITH RED HOUSE
    ✓ IN STOCK!
    $6,737.00 Buy Surplus As Low As $2,396.43
    $2,396.43
    WARREN RUPP 032-036-000

    WARREN RUPP

    SANDPIPER

    032-036-000

    LIQUID LEVEL CONTROL, STEEL MOUNTING BRACKET, FLOAT MATERIAL: 302/304 STAINLESS STEEL, FOR USE WITH AODD PUMPS, INCLUDES: FLOAT, TUBE
    ✓ IN STOCK!
    $2,011.00 Buy Surplus As Low As $1,172.61
    $1,172.61
    Repair Yours Contact Us
    YASKAWA ELECTRIC UTTIH-B20FK

    YASKAWA ELECTRIC

    UTTIH-B20FK

    DISCONTINUED BY MANUFACTURER, AC SERVO MOTOR ENCODER, INCREMENTAL, INTERNAL
    ✓ IN STOCK!
    Buy Surplus As Low As $687.01
    $687.01
    Repair Yours Contact Us
    MAXCESS INTERNATIONAL IPT-E

    MAXCESS INTERNATIONAL

    MAGPOWR

    IPT-E

    DISCONTINUED BY MANUFACTURER, CURRENT-TO-PRESSURE TRANSDUCER, WALL-MOUNT ENCLOSURE MODEL, 4-20 MA DC, AIR INPUT 150 PSI MAX, AIR OUTPUT 0-80 PSI, INPUT 115/230 VAC 0.05 A
    ✓ IN STOCK!
    Buy Surplus As Low As $873.85
    $873.85
    Repair Yours Contact Us
    ITW BF0442BD2S

    ITW

    ITW DYNATEC

    BF0442BD2S

    HOT MELT APPLICATOR HEAD, M+, 22/24 DC
    ✓ IN STOCK!
    $3,514.28 Buy Surplus As Low As $2,319.68
    $2,319.68
    BEI SENSORS DHO514-1024S104

    BEI SENSORS

    BEI INDUSTRIAL ENCODER

    DHO514-1024S104

    DHO5S14//2G29//01024/0P/G3R010/1M/**DD**, ENCODER
    ✓ IN STOCK!
    $2,226.16 Buy Surplus As Low As $1,335.69
    $1,335.69
    Repair Yours Contact Us
    ENDRESS & HAUSER CLS12-A1D1A

    ENDRESS & HAUSER

    CLS12-A1D1A

    DISCONTINUED BY MANUFACTURER, CONDUCTIVITY 2-ELECTRODE SENSOR, 24 VDC, 110 VAC, PROCESS TEMPERATURE MAX: 160 C, PROCESS PRESSURE MAX: 40 BAR
    ✓ IN STOCK!
    Buy Surplus As Low As $511.60
    $511.60
    Repair Yours Contact Us
    HONEYWELL 04973-X10-333-20-00-000-000

    HONEYWELL

    04973-X10-333-20-00-000-000

    DISCONTINUED BY MANUFACTURER, CONDUCTIVITY PROBE, K=10.0, 20-FT CABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $691.03
    $691.03
    Repair Yours Contact Us
    ATLAS COPCO P1624896681

    ATLAS COPCO

    P1624896681

    DISCONTINUED BY MANUFACTURER, DEW POINT TRANSMITTER, FOR COMPRESSED AIR DRYERS, CLASS 1-6, -100 TO 20 C TEMPERATURE RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,015.94
    $1,015.94
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    SCHNEIDER ELECTRIC 9012GCW1

    SCHNEIDER ELECTRIC

    SQUARE D

    9012GCW1

    4, 13 AND 4X NEMA RATED, SPDT-DB, 20 TO 1,000 PSIG, ELECTROMECHANICAL PRESSURE AND LEVEL SWITCH (MOQ=1, PKG QTY=1)
    ✓ IN STOCK!
    $1,314.31 Buy Surplus As Low As $867.44
    $867.44
    SCHNEIDER ELECTRIC XCSE7311

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    XCSE7311

    LIMIT SWITCH, NO/2NC CONFIGURATION, 24/48 VAC/VDC, MULTIPLE AMP LEVEL, METAL KEY SAFETY
    ✓ IN STOCK!
    $869.34 Buy Surplus As Low As $521.60
    $521.60
    METTLER TOLEDO 30374111

    METTLER TOLEDO

    30374111

    TRANSMITTER M400, TYPE 1, MULTI-PARAMETER, INTELLIGENT SENSOR MANAGEMENT, PHP / ORP / CONDUCTIVITY, ANALOG, ISM, HART, 10 VA, 100-240 VAC, 20-30 VDC, 1/2 INCH DIN
    ✓ IN STOCK!
    $4,868.00 Buy Surplus As Low As $3,700.00
    $3,700.00
    Repair Yours Contact Us
    SICK OTD2-1312

    SICK

    OTD2-1312

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, OPTO TRAP, RW MAX 5 M, 24 VDC, 10 WATT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,800.00
    $1,800.00
    Repair Yours Contact Us
    ASTRO PACKAGING INC T1000

    ASTRO PACKAGING INC

    T1000

    TEMPERATURE CONTROLLER, ELECTRONIC
    ✓ IN STOCK!
    $6,915.00 Buy Surplus As Low As $4,149.00
    $4,149.00
    Repair Yours Contact Us
    METTLER TOLEDO INPRO3253I/SG/120

    METTLER TOLEDO

    INPRO3253I/SG/120

    PH SENSOR, DIGITAL, PRE-PRESSURIZED, LOW MAINTENANCE ISM PH & ORP, 1 - 12 PH RANGE, 120 MM SENSOR LENGTH
    ✓ IN STOCK!
    $1,521.00 Buy Surplus As Low As $816.08
    $816.08
    RADWELL VERIFIED SUBSTITUTE RHS25D-P3-2000/4-1/2-5-CA6-LD-MS-CM-S-SUB

    RADWELL VERIFIED SUBSTITUTE

    RHS25D-P3-2000/4-1/2-5-CA6-LD-MS-CM-S-SUB

    SUBSTITUTE FOR HEIDENHAIN RENCO RHS25D-P3-2000/4-1/2-5-CA6-LD-MS-CM-S, ENCODER, CPR: 2000, POLES: 8, BORE SIZE: 0.500", BOLT CIRCLE: 3.125", INDEX GATING: A, INCLUDES 6 IN. MATING CABLE
    ✓ IN STOCK!
    $856.00 Buy New $856.00
    Repair Yours Contact Us
    HEIDENHAIN CORP LS-603-620MM

    HEIDENHAIN CORP

    LS-603-620MM

    DISCONTINUED BY MANUFACTURER, LINEAR SCALE, TRANSDUCER, 620MM DISTANCE CODED SCALE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,220.94
    $1,220.94
    TE CONNECTIVITY RT9420-0005-121-1130

    TE CONNECTIVITY

    RT9420-0005-121-1130

    `04-0989-0257, MOTION & POSITION SENSORS - INDUSTRIAL RT9420-0005-121-1130,
    ✓ IN STOCK!
    $1,614.91 Buy Surplus As Low As $968.95
    $968.95
    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 $92.67
    $92.67
    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!
    $188.50 Buy Surplus As Low As $100.98
    $100.98
    BANNER ENGINEERING SM312FPH

    BANNER ENGINEERING

    SM312FPH

    MINIBEAM SCANNER, 10-30 VDC, 2M, 4PIN, PLASTIC, FIB ONLY W/ SUPER B, 26986
    ✓ IN STOCK!
    $183.60 Buy Surplus As Low As $82.95
    $82.95
    Repair Yours Contact Us
    BANNER ENGINEERING SM312DQD

    BANNER ENGINEERING

    SM312DQD

    PHOTOELECTRIC SENSOR, MINI BEAM, DIFFUSE, 380 MM RANGE, INFRARED LED, RECTANGULAR HOUSING, M18 MOUNT, 10-30 VDC SUPPLY, NPN/PNP OUTPUT, LIGHT/DARK, 4-PIN M12 INTEGRAL QD, IP67, (26834), (SAM ...
    ✓ IN STOCK!
    $197.06 Buy Surplus As Low As $120.33
    $120.33
    PEPPERL & FUCHS NBB5-18GM50-E2

    PEPPERL & FUCHS

    NBB5-18GM50-E2

    INDUCTIVE SENSOR, N/O SWITCHING FUNCTION, PNP OUTPUT TYPE, 5 MM OPERATING DISTANCE, FLUSH, 3-WIRE, 5-36 VDC, 0-1950 HZ SWITCHING FREQUENCY, 2 METER CABLE LENGTH, PVC
    ✓ IN STOCK!
    $149.22 Buy Surplus As Low As $99.53
    $99.53
    ASCO SH6-021

    ASCO

    ASCO NUMATICS

    SH6-021

    DISCONTINUED BY MANUFACTURER, HALL EFFECT POSITION SWITCH, PNP OUTPUT, 300 MA, NORMALLY OPEN, 6-30 VDC, M8 QUICK DISCONNECT
    ✓ IN STOCK!
    Buy Surplus As Low As $183.60
    $183.60
    TURCK RSM-2RKM 40

    TURCK

    RSM-2RKM 40

    TEE CONNECTOR, 7/8" MINIFAST, 1 MALE CONNECTOR, 2 FEMALE CONNECTOR, NICKEL PLATED BRASS COUPLING, 4 WIRE, 9 AMP, 250 VAC
    ✓ IN STOCK!
    $80.00 Buy New $80.00
    $43.64
    TURCK NI10-G18-AP6X

    TURCK

    NI10-G18-AP6X

    (4641600), SENSOR, NONEMBEDDABLE, INDUCTIVE, 10MM RANGE, FULL THREAD, 18MM SIZE, NORMALLY OPEN, PNP (SOURCING), 10-30 VDC, 1 LED, 2 METER CABLE, 50MM BARREL LENGTH , NI10-G18-AP6X
    ✓ IN STOCK!
    $172.00 Buy New $172.00
    $40.01
    ALLEN BRADLEY 889N-F4AFNM-3

    ALLEN BRADLEY

    889N-F4AFNM-3

    CABLE, 889N SERIES, 3 M CABLE LENGTH, 4-PIN; STRAIGHT FEMALE/MALE CONNECTORS, YELLOW PVC SHEATH, 16 AWG
    ✓ IN STOCK!
    Buy Surplus As Low As $31.50
    $31.50
    ALLEN BRADLEY 871T-R5J18

    ALLEN BRADLEY

    871T-R5J18

    DISCONTINUED BY MANUFACTURER, SENSOR, INDUCTIVE, DC, THREADED BARREL, STAINLESS STEEL BARREL, STAINLESS STEEL FACE, 3 WIRE, 18 MM DIAMETER, SHIELDED, NPN, MINI QD
    ✓ IN STOCK!
    Buy Surplus As Low As $170.71
    $170.71
    BANNER ENGINEERING Q40AW3FF400Q1

    BANNER ENGINEERING

    Q40AW3FF400Q1

    EZ-BEAM Q40 SERIES: FIXED FIELD, RANGE: 400 MM, INPUT: 20-250 VAC, OUTPUT: SPST SOLID-STATE LIGHT OPERATE, MICRO 4-PIN INTEGRAL QD, (33387)
    ✓ IN STOCK!
    $283.19 Buy Surplus As Low As $169.91
    $169.91
    BANNER ENGINEERING SM312FQD

    BANNER ENGINEERING

    SM312FQD

    MINI-BEAM: INFRARED 880 NM GLASS FIBER OPTIC; RANGE: DEPENDS ON FIBER; INPUT: 10-30 V DC; OUTPUT: BIPOLAR: 1 NPN; 1 PNP; 4-PIN M12 INTEGRAL QD
    ✓ IN STOCK!
    $197.06 Buy Surplus As Low As $132.01
    $132.01
    BANNER ENGINEERING SBD1

    BANNER ENGINEERING

    SBD1

    17625 - MULTI-BEAM: 3/4-WIRE SCANNER BLOCK - DIFFUSE; RANGE: 0.3 M; INPUT: DEPENDS ON POWER BLOCK; OUTPUT: DEPENDS ON POWER BLOCK; INTERCONNECTING ...
    ✓ IN STOCK!
    $381.23 Buy Surplus As Low As $219.29
    $219.29
    Repair Yours Contact Us
    EATON CORPORATION E50KL538

    EATON CORPORATION

    CUTLER HAMMER

    E50KL538

    (PRICE/EA) SWITCH ACTUATOR; FOR USE WITH:EATON E50 SERIES HEAVY DUTY LIMIT SWITCHES; IP / NEMA RATING:-; PRODUCT RANGE:E50 SERIES; ACCESSORY TYPE:LIMIT SWITCH OPERATOR; OPERATING FORCE MAX:3 ...
    ✓ IN STOCK!
    $52.82 Buy Surplus As Low As $38.39
    $38.39
    EATON CORPORATION E50SA6P

    EATON CORPORATION

    CUTLER HAMMER

    E50SA6P

    DISCONTINUED BY MANUFACTURER, LIMIT SWITCH; LIMIT SWITCH ACTUATOR:-; CONTACT CONFIGURATION:DPST-1NO, SPST-NC; CONTACT CURRENT AC MAX:-; CONTACT VOLTAGE AC MAX:-; OPERATING FORCE MAX:-; PRODU ...
    ✓ IN STOCK!
    $420.00 Buy Surplus As Low As $223.61
    $223.61
    SMC ZSE1-01-15

    SMC

    ZSE1-01-15

    COMPACT PRESSURE SWITCH, VACUUM, R1/8 PIPE, M5 X 0.8 (FEMALE) THREADED, NPN OPEN COLLECTOR, 1 OUTPUT, 200 DEGREES ADJUSTMENT, GROMMET TYPE, 0.6M LEAD WIRE
    ✓ IN STOCK!
    $182.58 Buy Surplus As Low As $77.11
    $77.11
    Repair Yours Contact Us
    SMC ZSE1-T1-55L

    SMC

    ZSE1-T1-55L

    COMPACT PRESSURE SWITCH, VACUUM, NPTF 1/8 PIPE, M5 X 0.8 (FEMALE) THREADED, PNP OPEN COLLECTOR, 1 OUTPUT, 200 DEGREES ADJUSTMENT, GROMMET TYPE, 3M LEAD WIRE
    ✓ IN STOCK!
    $200.00 Buy Surplus As Low As $65.00
    $65.00
    Repair Yours Contact Us
    TURCK RKS 4.5T-3

    TURCK

    RKS 4.5T-3

    CORDSET, SINGLE ENDED, M12 EUROFAST, STRAIGHT FEMALE CONNECTOR, SHIELDED, NICKEL PLATED BRASS COUPLING, 5 WIRE, T BARB FITTING, 3 METER LENGTH, NO LEDS, PVC JACKET, U0935-31 , RKS 4.5T-3
    ✓ IN STOCK!
    $61.00 Buy New $61.00
    $29.45
    TURCK BI50-Q80-ADZ30X2-B3131

    TURCK

    BI50-Q80-ADZ30X2-B3131

    (4200311), SENSOR, EMBEDDABLE, INDUCTIVE, 50MM RANGE, RECTANGULAR, 80MM SIZE, NORMALLY OPEN, 2-WIRE, 20-250 VAC/10-300 VDC, 2 LEDS, MICROFAST 1/2" METAL/MALE, STRAIGHT, 3 PIN, STANDARD , BI5 ...
    ✓ IN STOCK!
    $519.06 Buy New $519.06
    $357.37
    PEPPERL & FUCHS NJ2-PD-US-2.062-V93

    PEPPERL & FUCHS

    NJ2-PD-US-2.062-V93

    INDUCTIVE SENSOR, 2-WIRE, N/O SWITCHING FUNCTION, 2MM OPERATING DISTANCE, FLUSH, 20-250VAC, 20-300VDC, 0-20HZ SWITCHING FREQUENCY, CONNECTOR PLUG, 3-PIN
    ✓ IN STOCK!
    $705.84 Buy Surplus As Low As $412.34
    $412.34
    MIGATRON SSR372

    MIGATRON

    SSR372

    TRANS/RECVR
    ✓ IN STOCK!
    $477.00 Buy New $477.00
    $287.00
    Repair Yours Contact Us
    SICK WL27-2P630

    SICK

    WL27-2P630

    DISCONTINUED BY MANUFACTURER, PHOTOELECTRIC SENSOR, RETRO-REFLECTIVE, POLARIZED, PNP, RED, 14 M RANGE PL 80A, TIME DELAYS, 6-PIN SQUARE PLUG PHASEOUT TO 1027772
    ✓ IN STOCK!
    Buy Surplus As Low As $152.00
    $152.00
    TURCK BI20R-W30-DAP6X-H1141

    TURCK

    BI20R-W30-DAP6X-H1141

    (14042), RING SENSOR, EMBEDDABLE, INDUCTIVE, 20MM RANGE, SMALL PLASTIC (DYNAMIC), 30MM SIZE, DYNAMIC OUTPUT, NORMALLY OPEN, PNP (SOURCING), 10-30 VDC, 1 LED, EUROFAST M12 MALE, STRAIGHT, 4 P ...
    ✓ IN STOCK!
    $805.80 Buy New $805.80
    $392.47
    ALLEN BRADLEY 194E-E25-1753

    ALLEN BRADLEY

    194E-E25-1753

    LOAD SWITCH, SERIES 194E, INDUCTIVE, SMALL-FRAME SWITCH, FRONT/DOOR MOUNTING, 25 AMP LOAD, 3 POLE, 2 POSITION
    ✓ IN STOCK!
    Buy Surplus As Low As $63.53
    $63.53
    ALLEN BRADLEY 194E-E40-1753

    ALLEN BRADLEY

    194E-E40-1753

    LOAD SWITCH, SERIES 194E, INDUCTIVE, SMALL-FRAME SWITCH, FRONT/DOOR MOUNTING, 40 AMP LOAD, 3 POLE, 2 POSITION
    ✓ IN STOCK!
    Buy Surplus As Low As $66.00
    $66.00
    ALLEN BRADLEY 802T-H

    ALLEN BRADLEY

    802T-H

    LIMIT SWITCH, 10 AMP, 600VAC MAX, W/O LEVER, NEMA TYPE 4 AND 13 OILTIGHT CONSTRUCTION, NON-PLUG-IN, LEVER TYPE, SPRING RETURN, HIGH OPERATING TORQUE, 2-CIRCUIT, CW AND CCW OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As $250.08
    $250.08
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