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    Transmission & Distribution Relay Solutions

    Ensure reliable electrical protection with advanced relays and monitoring devices, safeguarding power systems and equipment integrity.

    Safeguard your power distribution networks with our comprehensive range of transmission distribution relays. Our comprehensive range features ground fault relays, phase/voltage loss relays, ground fault sensors, voltage/phase monitors, and permissive relays for all your transmission distribution relay needs. Whether you're safeguarding power distribution systems, monitoring critical electrical parameters, or ensuring equipment protection, our Transmission Distribution Relays provide the advanced functionality and reliability needed for optimal performance and safety in industrial environments. Shop now for cutting-edge transmission distribution relays to enhance your power system's reliability and safety.

    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 251-300 of 845.
    OMRON G3NA-440B 5-24DC

    OMRON

    G3NA-440B 5-24DC

    DISCONTINUED BY MANUFACTURER, SOLID-STATE RELAY, SURFACE MOUNTING, 1-POLE, 40 AMP, 528 VAC MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $47.34
    $47.34
    EXTECH 382252

    EXTECH

    382252

    EARTH GROUND RESISTANCE TESTER KIT; MEASURING FUNCTIONS:2 AND 3 POLE; RESISTANCE MEASUREMENT RANGE:20OHM, 200OHM, 2000OHM; RESISTANCE MEASUREMENT FREQUENCY:820HZ; PRODUCT RANGE:-; SVHC:NO SV ...
    ✓ IN STOCK!
    $589.48 Buy Surplus As Low As $353.69
    $353.69
    Repair Yours $300.00
    TOSHIBA 810-ZCT-100

    TOSHIBA

    810-ZCT-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As $370.50
    $370.50
    AUTOMATION DIRECT GFS30-M1A-24-F

    AUTOMATION DIRECT

    ACUAMP

    GFS30-M1A-24-F

    ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPST-N.O., MANUAL RESET OUTPUT, 24 VAC/VDC OPERATING VOLTAGE.
    ✓ IN STOCK!
    $471.67 Buy Surplus As Low As $186.78
    $186.78
    Repair Yours $300.00
    GENERAL ELECTRIC 12IGCV51A5A

    GENERAL ELECTRIC

    MULTILIN

    12IGCV51A5A

    DISCONTINUED BY MANUFACTURER, RELAY VOLTAGE CONTROL, 70-100 V, 4-16 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $1,793.52
    $1,793.52
    Repair Yours $1,488.62
    GENERAL ELECTRIC 12IAV51A1A

    GENERAL ELECTRIC

    MULTILIN

    12IAV51A1A

    DISCONTINUED BY MANUFACTURER, POWER DIRECTIONAL RELAY, IAV, 115 V AC, 60 HZ, 60 CYCLES
    ✓ IN STOCK!
    Buy Surplus As Low As $693.88
    $693.88
    Repair Yours $560.00
    GENERAL ELECTRIC 12IAC53B104A

    GENERAL ELECTRIC

    12IAC53B104A

    DISCONTINUED BY MANUFACTURER, RELAY, TIME, OVERCURRENT,TIME OVERCURRENT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As $585.19
    $585.19
    Repair Yours $539.67
    GENERAL ELECTRIC 12CEY51A1D

    GENERAL ELECTRIC

    12CEY51A1D

    DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, 5-AMP, 120-VOLTS, 60-CYCLE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,125.00
    $1,125.00
    Repair Yours $1,078.24
    GENERAL ELECTRIC 12CEB51B1A

    GENERAL ELECTRIC

    12CEB51B1A

    DISCONTINUED BY MANUFACTURER, OFFSET MHO BLOCKING RELAY, 120 V, 5 AMP, 60 CYL, 0-4O OHMS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,574.64
    $1,574.64
    Repair Yours $1,306.95
    MARSH BELLOFRAM SLA-120-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-120-ALA

    PHASE SEQUENCE/LOSS MONITOR, 120V, LOCK SHAFT ADJUSTABLE, 11 PIN CIRCULAR BASE
    ✓ IN STOCK!
    $645.00 Buy New $645.00
    $327.40
    Repair Yours $300.00
    MARSH BELLOFRAM CMB-120-AFA-1

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMB-120-AFA-1

    CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 1 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
    ✓ IN STOCK!
    $196.00 Buy New $196.00
    $114.00
    Repair Yours $300.00
    MARSH BELLOFRAM CMU-120-ASA-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMU-120-ASA-5

    UNDER CURRENT MONITOR, CMU SERIES, 120 VAC, PLUG-IN, 1 TO 5 AMP ADJUSTABLE CURRENT TRIP POINTS, 11 PIN
    ✓ IN STOCK!
    $403.00 Buy New $403.00
    $253.63
    Repair Yours $300.00
    MARSH BELLOFRAM CMO-120-ASE-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMO-120-ASE-10

    OVERCURRENT MONITOR RELAY, CMO SERIES, 24-120 V AC/DC, 50/60 HZ, SURFACE MOUNT, 2-10 AMP ADJUSTABLE TRIP POINTS
    ✓ IN STOCK!
    $534.96 Buy New $534.96
    $250.37
    Repair Yours $300.00
    MARSH BELLOFRAM AC-301-440

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    AC-301-440

    THREE PHASE MONITOR, AC-301 SERIES, DELAY-ON-MAKE, 430-480 VAC OPERATING, 2 SECOND DELAY ON DROP OUT
    ✓ IN STOCK!
    $491.00 Buy New $491.00
    $236.23
    Repair Yours $300.00
    GENERAL ELECTRIC 12HAA15E1

    GENERAL ELECTRIC

    12HAA15E1

    DISCONTINUED BY MANUFACTURER, AUXILIARY CURRENT RELAY, DC 0.2/2.0AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $463.73
    $463.73
    Repair Yours $450.18
    GENERAL ELECTRIC IC2820D300B15

    GENERAL ELECTRIC

    IC2820D300B15

    DISCONTINUED BY MANUFACTURER, RELAY FIELD LOSS, 8 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $374.51
    $374.51
    Repair Yours $300.00
    TOTALINE P283-0293

    TOTALINE

    P283-0293

    FAN RELAY 24V-COIL SPDT GENERAL PURPOSE
    ✓ IN STOCK!
    $16.69 Buy Surplus As Low As $13.91
    $13.91
    Repair Yours $300.00
    R-K ELECTRONICS PRRO-300

    R-K ELECTRONICS

    PRRO-300

    PHASE LOSS & PHASE REVERSAL RELAY, 380 TO 415VAC 3Ø, 50/60 HZ, SPDT 240VAC CONTACTS, SCREW TERMINALS, SURFACE MOUNTING
    ✓ IN STOCK!
    $290.00 Buy New $290.00
    $175.20
    Repair Yours $300.00
    R-K ELECTRONICS MVP-A1C

    R-K ELECTRONICS

    MVP-A1C

    MULTI-RANGE 3 PHASE VOLTAGE MONITOR (200 TO 480VAC, 3Ø), SELF-POWERED, 8-PIN BASE, SPDT, CONTACTS, SOCKET & HOLDDOWN INCLUDED
    ✓ IN STOCK!
    $286.76 Buy New $286.76
    $161.93
    Repair Yours $200.00
    WESTINGHOUSE 290B481A09

    WESTINGHOUSE

    290B481A09

    DISCONTINUED BY MANUFACTURER, RELAY, 5 AMP, 120V, 60HZ, 125VDC, TYPE KLF
    ✓ IN STOCK!
    Buy Surplus As Low As $880.93
    $880.93
    Repair Yours $747.00
    TIME MARK CORP C2652

    TIME MARK CORP

    C2652

    3-PHASE-MONITORS,480VAC, SIZE 3.5IN X 4.5IN X 4.8IN
    ✓ IN STOCK!
    $288.00 Buy New $288.00
    $140.00
    Repair Yours $300.00
    TIME MARK CORP 273-5-120

    TIME MARK CORP

    273-5-120

    CURRENT-MONITOR, OVER/UNDER CURRENT MONITOR, SINGLE PHASE, 8 PIN, SPDT, 1/5 AMP, 0.5 - 5A, 120VAC, PLUG-IN TYPE
    ✓ IN STOCK!
    $155.54 Buy New $155.54
    $72.15
    Repair Yours $300.00
    LOVATO 11LMU380

    LOVATO

    11LMU380

    UNDERVOLTAGE RELEASE LMU 380/ 415V 50HZ
    ✓ IN STOCK!
    $70.00 Buy New $70.00
    $51.65
    TIME MARK CORP B263

    TIME MARK CORP

    B263

    POWER MONITOR, 3 PHASE, 230 VAC, 30-60 HZ, 160-240 VAC, 15 AMP TO 150 VAC,10 AMP TO 240 VAC
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $85.00
    Repair Yours $300.00
    ALLEN BRADLEY 3380-701080-1925

    ALLEN BRADLEY

    3380-701080-1925

    DISCONTINUED BY MANUFACTURER, RELAY, TIME CURRENT, 1AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $688.00
    $688.00
    Repair Yours $456.83
    GENERAL ELECTRIC 350-E-P5-G5-H-E-S-N-N-1E-D-N

    GENERAL ELECTRIC

    MULTILIN

    350-E-P5-G5-H-E-S-N-N-1E-D-N

    DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, PHASE CURRENTS - 5 AMP / 3 PHASE, GROUND CURRENTS - 5 AMP STANDARD, 110-250 V DC, 110-230 V AC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $1,608.00
    $1,608.00
    Repair Yours $1,334.64
    ASEA BROWN BOVERI 69326-2R

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    69326-2R

    RELAY, POWER TYPE, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $19.80
    $19.80
    ASEA BROWN BOVERI 419904051AB

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    419904051AB

    BRUSH EXTRUDER DUTY C
    ✓ IN STOCK!
    $86.89 Buy New $86.89
    $55.55
    Repair Yours $300.00
    MARSH BELLOFRAM VBA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-ALA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $554.60 Buy New $554.60
    $421.50
    Repair Yours $300.00
    MARSH BELLOFRAM VBA-208-AFN

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-AFN

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $901.67 Buy New $901.67
    $541.00
    Repair Yours $327.00
    MARSH BELLOFRAM UOA-110-DKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-110-DKA

    SINGLE PHASE UNDER VOLTAGE MONITOR/RELAY, 110 VDC, 92-130 VDC TRIP RANGE, 0.05 SEC TO 0.5 SEC, DPDT (2 FORM C), 5 A @ 240 VAC
    ✓ IN STOCK!
    $368.95 Buy New $368.95
    $221.37
    Repair Yours $300.00
    MARSH BELLOFRAM SUA-230-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-230-ALA

    PHASE MONITOR RELAY, SPDT, 10 AMP AT 240 VAC, 190-270 V ADJUSTABLE, LOCK SHAFT, OCTAL PLUG IN
    ✓ IN STOCK!
    $339.00 Buy New $339.00
    $164.75
    Repair Yours $300.00
    MARSH BELLOFRAM PRA-100-AFA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFA

    PHASE SEQUENCE MONITOR, 208-480VAC SUPPLY, CONTACTS 10A AT 240VAC, 8PIN SOCKET
    ✓ IN STOCK!
    $309.00 Buy New $309.00
    $196.34
    Repair Yours $300.00
    SIEMENS 3UG3501-1AC20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG3501-1AC20

    DISCONTINUED BY MANUFACTURER: 02/08/2008, MONITORING RELAY, 24 VAC, 50/60 HZ, SCREW CONNECTION, 5-100 KOHM SENSITIVITY, 1 CO CONTACT, FOR LEVEL MONITORING, SUCCESSOR: 3UG4501-1AW30
    ✓ IN STOCK!
    Buy Surplus As Low As $129.44
    $129.44
    SIEMENS 3UG4632-1AA30

    SIEMENS

    3UG4632-1AA30

    VOLTAGE MONITORING RELAY, DIGITAL, SPDT, 1 PHASE, 1 POLE, 10-600 VAC/DC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -25 TO +60 DEGREES C , 3UG4632-1AA30
    ✓ IN STOCK!
    $384.00 Buy Surplus As Low As $292.00
    $292.00
    Repair Yours $300.00
    SIEMENS 3TX7014-1BF02

    SIEMENS

    3TX7014-1BF02

    INPUT COUPLER, WITH PLUG-IN RELAY, 1 CHANGE-OVER CONTACT, HARD GOLD-PLATED, SCREW TERMINAL, 230V AC/DC, ENCLOSURE WIDTH 6.2 MM
    ✓ IN STOCK!
    $68.00 Buy Surplus As Low As $30.71
    $30.71
    SIEMENS 3UF7100-1AA00-0

    SIEMENS

    3UF7100-1AA00-0

    SIMOCODE PRO CUR MEAS. MODULE,0.3-3A, CONTROLS - SIMOCODE 3UF50 OVRLD, CONTROL PRODUCTS , 3UF7100-1AA00-0 , 3UF7100-1AA00-0
    ✓ IN STOCK!
    $374.00 Buy Surplus As Low As $147.94
    $147.94
    Repair Yours $300.00
    SIEMENS 3UG3532-1AL20

    SIEMENS

    3UG3532-1AL20

    DISCONTINUED BY MANUFACTURER, SINCE - 01/10/2007, VOLTAGE CONTROL RELAY, SINGLE PHASE, 230VAC (50/60 HZ), LED STATUS INDICATORS, SCREW CLAMP TERMINALS, DIN-RAIL MOUNTED
    ✓ IN STOCK!
    Buy Surplus As Low As $101.49
    $101.49
    Repair Yours $300.00
    SIEMENS 3UF7111-1AA00-0

    SIEMENS

    FURNAS ELECTRIC CO

    3UF7111-1AA00-0

    DISCONTINUED BY MANUFACTURER 12/01/2021, CURRENT/VOLTAGE MEASURING MODULE, SIMOCODE PRO, 2.4-25 AMP, DETECTION UP TO 690V, OVERALL WIDTH 45 MM, STRAIGHT-THROUGH TRANSFORMER, REPLACED BY 3UF7 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $381.33
    $381.33
    Repair Yours $316.51
    SIEMENS 3RH1122-1AU60-1AA0

    SIEMENS

    3RH1122-1AU60-1AA0

    CONTROL RELAY,2NO+2NC,S00,277V AC
    ✓ IN STOCK!
    $213.00 Buy Surplus As Low As $128.00
    $128.00
    Repair Yours $300.00
    CROUZET DUR-110A

    CROUZET

    DUR-110A

    SYRELEC, VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 110 VAC
    ✓ IN STOCK!
    $184.00 Buy New $184.00
    $81.77
    Repair Yours Contact Us
    SIEMENS 3RH1122-1BM40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1122-1BM40

    09/30/2021 CONTACTOR RELAY, 220 VDC, 2NO/2NC, SCREW TERMINALS, DIN RAIL MOUNTING, REPLACED BY 3RH2122-1BM40
    ✓ IN STOCK!
    $204.07 Buy Surplus As Low As $122.44
    $122.44
    SIEMENS 3RH1244-1BB40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1244-1BB40

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY, SCREW TERMINALS, 4NO, 4NC, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00
    $90.00
    Repair Yours $300.00
    SIEMENS 3TX7014-1BF00

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7014-1BF00

    DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER WITH PLUG-IN RELAY, 1CO CONTACT, SCREW TERMINAL, 230V AC/DC, 5-50HZ
    ✓ IN STOCK!
    $60.00 Buy Surplus As Low As $33.53
    $33.53
    Repair Yours $300.00
    GOTRONIC 555100

    GOTRONIC

    555100

    DISCONTINUED BY MANUFACTURER, POWER LINE MONITOR, 480VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $473.71
    $473.71
    Repair Yours $314.54
    GOTRONIC 559100

    GOTRONIC

    559100

    POWER LINE MONITOR,120VAC,10AMP,4-5 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $135.76
    $135.76
    Repair Yours $300.00
    EATON CORPORATION 8137869B0

    EATON CORPORATION

    COOPER POWER

    8137869B0

    FAULT INDICATOR LINAM 800AMP 1.81IN OD 3Q97
    ✓ IN STOCK!
    $26.57 Buy Surplus As Low As $22.14
    $22.14
    GENERAL ELECTRIC 12HAA15B5F

    GENERAL ELECTRIC

    12HAA15B5F

    DISCONTINUED BY MANUFACTURER, RELAY AUXILIARY W/CASE, 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $262.67
    $262.67
    Repair Yours $300.00
    WEG RPW-FSF-Z34

    WEG

    RPW-FSF-Z34

    PHASE LOSS & PHASE SEQUENCE RELAY 220/240V 50/60HZ
    ✓ IN STOCK!
    $61.61 Buy Surplus As Low As $33.57
    $33.57
    Repair Yours Contact Us
    BENDER UG-143-P

    BENDER

    UG-143-P

    DISCONTINUED BY MANUFACTURER, EARTH FAULT RELAY, 5 AMP, 250 VAC, 24 VDC, 25 K OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00
    $90.00
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