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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 301-350 of 843.
    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
    LITTELFUSE SE-330-00-00

    LITTELFUSE

    STARTCO ENGINEERING

    SE-330-00-00

    RESISTANCE MONITOR, NEUTRAL GROUNDING, SE-330 SERIES, 120/240VAC/DC, 4-20 MA, DELAY TIME 0.1/10 SECONDS, HARMONIC FILTERING, MANUAL RESET,PANEL MOUNT
    ✓ IN STOCK!
    $6,203.00 Buy Surplus As Low As $3,253.87
    $3,253.87
    Repair Yours $1,895.00
    SIEMENS 3TX7114-5LC13

    SIEMENS

    3TX7114-5LC13

    PLUG-IN RELAY, 3TX SERIES, 24 VAC CONTROL VOLTAGE, 50/60 HZ, DOUBLE POLE DOUBLE THROW, 15 AMP CONTACT RATING, PREMIUM LED, MECHANICAL FLAG, 8-PIN, USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6 , 3T ...
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $37.00
    $37.00
    Repair Yours $300.00
    SIEMENS 3TX7112-1LC03

    SIEMENS

    3TX7112-1LC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, OCTAL BASE DPDT, 10A, 24VDC, USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
    ✓ IN STOCK!
    $69.00 Buy Surplus As Low As $27.20
    $27.20
    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
    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
    SIEMENS 3TX7014-1BE02

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7014-1BE02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER WITH PLUG-IN RELAY, 1 CHANGE-OVER CONTACT, HARD GOLD-PLATED, SCREW TERMINAL, 115 V AC/DC, ENCLOSURE WIDTH 6.2MM
    ✓ IN STOCK!
    $70.70 Buy Surplus As Low As $25.26
    $25.26
    WESTINGHOUSE 290B346A09

    WESTINGHOUSE

    290B346A09

    DISCONTINUED BY MANUFACTURER, TRANSFORMER DIFFERENTIAL RELAY, TYPE HU, 60 HZ, 0.2-2 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,928.57
    $1,928.57
    Repair Yours $1,600.71
    SIEMENS 3RH2122-1AK60

    SIEMENS

    3RH2122-1AK60

    RELAY, CONTACTOR RELAY, 2 NO/2 NC, 120 VAC, 10 AMPS, SCREW, DIN RAIL MOUNT, REPLACES 3RH1122-1AK60
    ✓ IN STOCK!
    $126.10 Buy Surplus As Low As $75.66
    $75.66
    Repair Yours $300.00
    SIEMENS 3RH2262-1BB40

    SIEMENS

    3RH2262-1BB40

    CONTACTOR RELAY, AUXILIARY, 10 AMP, 24 VDC, 6 NO + 2 NC, CAPTIVE AUXILIARY SWITCH, SIZE S00, SCREW TERMINAL, SUCCESSOR FOR 3RH1262-1BB40
    ✓ IN STOCK!
    $268.80 Buy Surplus As Low As $161.28
    $161.28
    Repair Yours $300.00
    WESTINGHOUSE 290B038A09

    WESTINGHOUSE

    290B038A09

    DISCONTINUED BY MANUFACTURER, REVERSE POWER RELAY, TYPE CRN-1, 5 AMP, 120 VAC, 0.2-2 AMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,254.84
    $1,254.84
    Repair Yours $1,225.24
    ICM ICM402

    ICM

    ICM402

    LINE VOLTAGE MONITOR, THREE-PHASE, 30 AMP, 190-600VAC
    ✓ IN STOCK!
    $124.00 Buy Surplus As Low As $69.00
    $69.00
    MACROMATIC PMPU

    MACROMATIC

    PMPU

    MONITOR RELAY, 3-PHASE, 190-500 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL FIXED, UNBALANCE, OVER/UNDER VOLTAGE, ADJUSTABLE
    ✓ IN STOCK!
    $246.88 Buy New $246.88
    $148.13
    Repair Yours $300.00
    SIEMENS 3TX7115-5DC03C

    SIEMENS

    3TX7115-5DC03C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 16A, 24VDC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC03C
    ✓ IN STOCK!
    $55.00 Buy Surplus As Low As $19.68
    $19.68
    Repair Yours $300.00
    SIEMENS 3TX71155DC13C

    SIEMENS

    3TX71155DC13C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 10A, 24VAC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC13C
    ✓ IN STOCK!
    $65.00 Buy Surplus As Low As $50.00
    $50.00
    Repair Yours $300.00
    GENERAL ELECTRIC 12IFC77A2A

    GENERAL ELECTRIC

    12IFC77A2A

    RELAY ,OVERCURRENT EXTREMELY INVERSE, 50/60 HTZ, 2-50 AMPS
    ✓ IN STOCK!
    $1,428.57 Buy Surplus As Low As $475.69
    $475.69
    Repair Yours $461.79
    SIEMENS 3TX7015-1BM02

    SIEMENS

    3TX7015-1BM02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, SPRING-TYPE TERMINAL, 24VDC, 50HZ, 0.5W
    ✓ IN STOCK!
    $49.00 Buy Surplus As Low As $23.09
    $23.09
    Repair Yours $300.00
    SIEMENS 3RK3221-2AA10

    SIEMENS

    3RK3221-2AA10

    MSS EXP. MOD., 4/8 FDI, 1/2 FDO (RELAY), CONTROLS MSS MODULAR SAFETY RELAYS, CONTROL PRODUCTS , 3RK3221-2AA10
    ✓ IN STOCK!
    $1,002.00 Buy Surplus As Low As $519.00
    $519.00
    Repair Yours $431.00
    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
    LITTELFUSE PLM9405

    LITTELFUSE

    PLM9405

    PHASE RELAY, SPDT, 400-480V, SOCKET; PRODUCT RANGE:PLM SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MAX:24 ...
    ✓ IN STOCK!
    $223.74 Buy Surplus As Low As $134.24
    $134.24
    Repair Yours $300.00
    GENERAL ELECTRIC 12HFC21B2A

    GENERAL ELECTRIC

    12HFC21B2A

    DISCONTINUED BY MANUFACTURER, RELAY, OVERCURRENT, 2-50AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $163.05
    $163.05
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CB1A-R-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1A-R-24V

    AUTOMOTIVE RELAYS 20AMP 24VDC 1 FORM A
    ✓ IN STOCK!
    $10.60 Buy Surplus As Low As $6.36
    $6.36
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CB1-T-R-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1-T-R-12V

    AUTOMOTIVE RELAY, HIGH POWER, SPDT, 40 AMP, 12 V, 85C 185F
    ✓ IN STOCK!
    $8.93 Buy Surplus As Low As $5.36
    $5.36
    Repair Yours Contact Us
    ASEA BROWN BOVERI 1963190

    ASEA BROWN BOVERI

    1963190

    ABB, 1963190, SV VOLTAGE RELAY, 120VAC, 60HZ, SETTINGS 70-150
    ✓ IN STOCK!
    $785.71 Buy Surplus As Low As $355.43
    $355.43
    Repair Yours $300.00
    GENERAL ELECTRIC 12HGA14ALS

    GENERAL ELECTRIC

    12HGA14ALS

    AUXILARY RELAY, 125VDC, 4 SECOND
    ✓ IN STOCK!
    $156.22 Buy Surplus As Low As $74.01
    $74.01
    Repair Yours $300.00
    ALLEN BRADLEY 809-B20E

    ALLEN BRADLEY

    809-B20E

    809-B20E, 809B20E, INSTANTANEOUS TRIP CURRENT RELAY, 130AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $1,201.82
    $1,201.82
    Repair Yours $1,007.58
    DOLD BA 9043/001 3AC 50/60HZ 400V

    DOLD

    BA 9043/001 3AC 50/60HZ 400V

    RELAY, VOLTAGE SENSING, DPDT, 400VAC; PRODUCT RANGE:BA 9043 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:3A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:230VAC; RELAY TERMINALS:SCREW ...
    ✓ IN STOCK!
    $394.60 Buy Surplus As Low As $129.26
    $129.26
    Repair Yours $300.00
    ASEA BROWN BOVERI WLM645A5S

    ASEA BROWN BOVERI

    SSAC

    WLM645A5S

    SSAC, ASEA BROWN BOVERI, WLM645A5S, VOLTAGE MONITOR THREE PHASE, 200/240VAC, 5SEC TRIP DELAY
    ✓ IN STOCK!
    $162.66 Buy Surplus As Low As $85.61
    $85.61
    Repair Yours $300.00
    SIEMENS 3TK2022-7AM0

    SIEMENS

    FURNAS ELECTRIC CO

    3TK2022-7AM0

    MINIATURE CONTACTOR, FLAT CONNECTOR TERMINAL, 2 NO + 2 NC, SCREW MOUNTING (DIAGONAL), 220VAC, 50-60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $132.00
    $132.00
    MACROMATIC PMP575

    MACROMATIC

    PMP575

    3-PHASE MONITOR RELAY, 575 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $215.27 Buy New $215.27
    $126.00
    KEARNEY NATIONAL INC 22.017-03-200-A/4H

    KEARNEY NATIONAL INC

    22.017-03-200-A/4H

    DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 200 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $13.79
    $13.79
    GRAINGER 6X555

    GRAINGER

    GRAINGER APPROVED VENDOR

    6X555

    RELAY 35AMP 1POLE N/C POTENTIAL RELAY
    ✓ IN STOCK!
    $25.92 Buy Surplus As Low As $10.71
    $10.71
    Repair Yours Contact Us
    TIME MARK CORP 20

    TIME MARK CORP

    20

    3-PHASE-MONITORS,WITH TRIP AND RESTART DELAYS, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN
    ✓ IN STOCK!
    $154.00 Buy New $154.00
    $76.00
    Repair Yours Contact Us
    FW MURPHY UVR505

    FW MURPHY

    UVR505

    DISCONTINUED BY MANUFACTURER, RELAY UNDER VOLTAGE, FRONT STATUS LEDS, 12 PORTS
    ✓ IN STOCK!
    Buy Surplus As Low As $311.00
    $311.00
    Repair Yours $300.00
    SCHNEIDER ELECTRIC RM4TR32

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    RM4TR32

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, 300V, 5A, RM4,50/60HZ, REPLACED BY RM22TR33
    ✓ IN STOCK!
    Buy Surplus As Low As $358.18
    $358.18
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