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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.

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    Results 51-100 of 436.
    SIEMENS 3RH1140-1AK60

    SIEMENS

    3RH1140-1AK60

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 4NO, 120VAC / 50/60HZ COIL, 3RH SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As $65.00
    $65.00
    Repair Yours $200.00
    CROUZET DWRS440A

    CROUZET

    DWRS440A

    3-PHASE MONITORING RELAY, DIN RAIL, SPDT 10A, 3X440 VAC, CAN BE REPLACED BY PN PWRS440A. DIFFERENCE: 8-PIN CONNECTOR INSTEAD OF DIN RAIL MOUNT. NEEDED: AN 8-PIN DIN RAIL SOCKET
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    Repair Yours $200.00
    SIEMENS 3RK1402-0BE00-0AA2

    SIEMENS

    FURNAS ELECTRIC CO

    3RK1402-0BE00-0AA2

    DISCONTINUED BY MANUFACTURER, PRODUCT DISCONTINUED SINCE 01.12.2016, SLIMLINE MODULE, 230V, 4 KV, 2 INPUT FOR 3 WIRE SENSOR, 2 OUTPUT, S22.5 DIGITAL 2DI/2RQ, RELAY SCREW TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $55.00
    $55.00
    Repair Yours $200.00
    SIEMENS 3UG4513-1BR20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4513-1BR20

    VOLTAGE PHASE MONITOR, 3 PHASE RELAY, ADJUSTABLE UNDERVOLTAGE ASYMMETRY FIXED, 3X160 TO 690 VAC, 50/60HZ, FIXED DELAY TIME: 0-20 S, 2 CHANGE-OVER CONTACTS, SCREW TERMINAL, DIRECT REPLACEMENT ...
    ✓ IN STOCK!
    $400.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    ASEA BROWN BOVERI DPU-2000R

    ASEA BROWN BOVERI

    DPU-2000R

    DISCONTINUED BY MANUFACTURER, RELAY / DISTRIBUTION PROTECTION SYSTEM, INDUSTRIAL CONTROL EQUIPMENT, TYPE / DPU 2000R, PHASE / 0.4-12 AMP, GROUND / 0.4-12 AMP, 38-58 VDC, 60 HZ, 1-12 AMP, 70- ...
    ✓ IN STOCK!
    Buy Surplus As Low As $773.28
    $773.28
    Repair Yours $509.21
    SIEMENS 3TX7004-1LB02

    SIEMENS

    3TX7004-1LB02

    DISCONTINUED BY MANUFACTURER 10/01/2020, OUTPUT COUPLING LINK, SCREW TERMINAL, 1 CO HARD GOLD-PLATED, 24 VAC/DC, 6.2 MM ENCLOSURE WIDTH, DIN RAIL MOUNTABLE, PREFERRED SUCCESSOR: 3RQ3018-1AB0 ...
    ✓ IN STOCK!
    $88.00 Buy Surplus As Low As $44.00
    $44.00
    SIEMENS 3UG4512-1AR20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4512-1AR20

    PRODUCT PHASE-OUT SINCE 10/01/2023, ANALOG MONITORING RELAY, 4 AMP, 3 PHASE, 160-690 VAC, 50/60 HZ, SCREW TYPE TERMINALS, -25 TO +60 DEGREE C, IP20, SUCCESSOR: 3UG5512-1AR20
    ✓ IN STOCK!
    $198.00 Buy Surplus As Low As $119.00
    $119.00
    Repair Yours $200.00
    SIEMENS 3UF7102-1AA00-0

    SIEMENS

    3UF7102-1AA00-0

    CURRENT MEASURING MODULE, 10-100 AMP, OVERALL WIDTH 55 MM, STRAIGHT THROUGH TRANSFORMER
    ✓ IN STOCK!
    $433.00 Buy Surplus As Low As $149.00
    $149.00
    Repair Yours $200.00
    SIEMENS 3UG4512-1BR20

    SIEMENS

    3UG4512-1BR20

    SCREW TERMINAL, PHASE FAILURE AND SEQUENCE
    ✓ IN STOCK!
    $187.00 Buy Surplus As Low As $113.00
    $113.00
    Repair Yours $200.00
    SYMCOM 460

    SYMCOM

    460

    THREE PHASE ELECTRIC MOTOR PROTECTOR, MOTOR SAVER, 190-480VAC, 50-60HZ, UNBALANCING TRIP: 2-8% ADJUSTABLE, TRIP DELAY: 1-30 SECONDS ADJUSTABLE, RESTART DELAY TIME AFTER A FAULT OR COMPLETE P ...
    ✓ IN STOCK!
    $185.00 Buy Surplus As Low As $111.00
    $111.00
    GENERAL ELECTRIC 12IFC77A1A

    GENERAL ELECTRIC

    12IFC77A1A

    DISCONTINUED BY MANUFACTURER, RELAY OVERCURRENT, INVERSE, 50/60 HZ, 1 - 12 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $747.00
    ASEA BROWN BOVERI CM-MPS.41.S

    ASEA BROWN BOVERI

    CM-MPS.41.S

    MONITORING RELAY, 3 PHASE, 0.01-30S, 300-500 VAC, 50/60 HZ, 1SVR730884R3300
    ✓ IN STOCK!
    $370.00 Buy Surplus As Low As $222.00
    $222.00
    Repair Yours $200.00
    SIEMENS 3UG48151AA40

    SIEMENS

    3UG48151AA40

    DIGITAL MONITORING RELAY 3-PHASE SUPPLY VOLTAGE FOR IO-LINK 50...60 HZ AC 3 X 160 TO 690 V PHASE SEQUENCE, PHASE FAILURE PHASE ASYMMETRY UNDERVOLTAGE AND OVERVOLTAGE HYSTERESIS 1-20 V LINE S ...
    $400.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    EXTECH GRT300

    EXTECH

    GRT300

    4-WIRE, EARTH GROUND RESISTANCE TESTER
    $1,436.00 Buy Surplus As Low As $862.00
    $862.00
    Repair Yours $716.00
    MACROMATIC PMPU-FA8X

    MACROMATIC

    PMPU-FA8X

    3-PHASE MONITOR RELAY, 190-500 VAC, 8 PIN PLUG-IN 5 AMP SPDT AND SPNO RELAY, PHASE LOSS, REVERSAL, UNBALANCE, OVER/UNDER VOLTAGE - FIXED
    $357.00 Buy New $357.00
    $215.00
    EMOTRON EL-FI-M10

    EMOTRON

    EL-FI-M10

    DISCONTINUED BY MANUFACTURER, SHAFT POWER MONITOR, 1.5AMP, 100-690VAC, 50/60HZ, REPLACEMENT: EL-FI-M20
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $880.00
    CROUZET DUR24A

    CROUZET

    DUR24A

    VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 24 VAC, CAN BE REPLACED BY PN DUR110A. DIFFERENCE: 110V INPUT INSTEAD OF 24V. NEEDED: A DIFFERENT INPUT POWER IS NEEDED
    Buy Surplus As Low As $139.00
    $139.00
    Repair Yours $200.00
    EATON CORPORATION EASY821-DC-TC

    EATON CORPORATION

    CUTLER HAMMER

    EASY821-DC-TC

    EASY PROGRAMMABLE RELAY, 800 SERIES, 24 V DC, 12 DIGITAL INPUTS, 8 TRANSISTOR OUTPUTS, INCLUDES CLOCK AND DISPLAY, OPTIONAL 4 ANALOG INPUTS
    Buy Surplus As Low As $666.00
    $666.00
    Repair Yours $553.00
    PEPPERL & FUCHS KHU8-DW-1.D

    PEPPERL & FUCHS

    KHU8-DW-1.D

    DISCONTINUED BY MANUFACTURER, ROTATION SPEED MONITOR, 5KHZ, 1 PRE-SELECT VALUE WITH RELAY OUTPUT AND LED INDICATOR, MULTI-RANGE POWER PACK, 2-, 3-, 4-WIRE AND NAMUR SENSORS AS WELL AS ROTARY ...
    ✓ IN STOCK!
    Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $274.00
    ASEA BROWN BOVERI 1SVR730794R3300

    ASEA BROWN BOVERI

    1SVR730794R3300

    (PRICE/EA) CM-PVS.41S THREE-PHASE MON.
    ✓ IN STOCK!
    $364.00 Buy Surplus As Low As $203.00
    $203.00
    Repair Yours $200.00
    SIEMENS 3UG4511-1BP20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4511-1BP20

    ANALOG MONITORING RELAY, PHASE SEQUENCE MONITORING, 3 PHASE, 320-500 VAC, 50/60 HZ, 2 CHANGE-OVER CONTACTS, SCREW TERMINAL, PREFERRED SUCCESSOR: 3UG5511-1BR20
    ✓ IN STOCK!
    $163.00 Buy Surplus As Low As $98.00
    $98.00
    SIEMENS 3TX7111-3LC03

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7111-3LC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 12A, 24VDC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    Repair Yours $200.00
    SIEMENS 3TX71105BC03C

    SIEMENS

    3TX71105BC03C

    PLUG-IN RELAY, BASIC 5-PIN, SQUARE BASE SPDT, 15A, 24VDC, USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    $23.00 Buy Surplus As Low As $14.00
    $14.00
    Repair Yours $200.00
    SIEMENS 3TX7117-5PC03

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7117-5PC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 14-PIN, SQUARE BASE, COIL VOLTAGE 24VDC, 15 AMP, 4PDT, USES SOCKET 3TX7144-4E9
    ✓ IN STOCK!
    $54.00 Buy Surplus As Low As $42.00
    $42.00
    SIEMENS 3UG4615-1CR20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4615-1CR20

    VOLTAGE MONITORING RELAY, N75, CONTROLS - MONITORING 3UG3
    $314.61 Buy Surplus As Low As $189.00
    $189.00
    Repair Yours $200.00
    SIEMENS 3TK2040-7BB4

    SIEMENS

    3TK2040-7BB4

    DISCONTINUED BY MANUFACTURER, MINIATURE CONTACTOR, FLAT CONNECTOR TERMINAL, 4 NO, SCREW MOUNTING (DIAGONAL), 24 VDC, DC OPERATION, SUCCESSOR: 3RT2316-2BB40
    ✓ IN STOCK!
    Buy Surplus As Low As $432.00
    $432.00
    SIEMENS 3TX7014-1AM00

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7014-1AM00

    DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER , WITH PLUG-IN RELAY, 1 NO CONTACT, SCREW TERMINAL, 24 V DC, ENCLOSURE WIDTH 6.2 MM
    ✓ IN STOCK!
    $43.00 Buy Surplus As Low As $26.00 $12.90
    $26.00 $12.90
    SIEMENS 3RS1800-1HW00

    SIEMENS

    3RS1800-1HW00

    RELAY, 24 - 240VUC, 3CO,SCREW, N76, CONTROLS - INTERFACE 3RS
    ✓ IN STOCK!
    $163.00 Buy Surplus As Low As $83.30
    $83.30
    Repair Yours $200.00
    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 $348.00
    $348.00
    Repair Yours $290.00
    SIEMENS 3UG4511-1AP20

    SIEMENS

    3UG4511-1AP20

    PHASE MONITORING RELAY, 320-500V, 5A, DIN RAIL, SCREW TERMINAL, 3UG SERIES
    ✓ IN STOCK!
    $175.00 Buy Surplus As Low As $102.00
    $102.00
    Repair Yours $200.00
    SIEMENS 3UF7113-1BA00-0

    SIEMENS

    3UF7113-1BA00-0

    DISCONTINUED BY MANUFACTURER 04/01/2022, CURRENT/VOLTAGE MEASURING MODULE, 20-200 AMP SET CURRENT, 690 V, 120 MM WIDTH, BUSBAR CONNECTION, REPLACED BY 3UF7113-1BA01-0
    ✓ IN STOCK!
    $1,243.00 Buy Surplus As Low As $945.00
    $945.00
    Repair Yours $620.00
    CROUZET DUR-110A

    CROUZET

    DUR-110A

    VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 110 VAC
    ✓ IN STOCK!
    $259.00 Buy New $259.00
    $156.00
    Repair Yours $200.00
    SIEMENS RCC5P1

    SIEMENS

    ALLIS CHALMERS

    RCC5P1

    CONTROL RELAY 5POLE 5NO/5NC 110/120VAC COIL
    ✓ IN STOCK!
    $584.00 Buy Surplus As Low As $351.00
    $351.00
    Repair Yours $292.00
    ASEA BROWN BOVERI 1SVR550870R9400

    ASEA BROWN BOVERI

    1SVR550870R9400

    PHASE MONITORING RELAY, 4 AMP, 400 V, 3 KV, 1 NO, WITH NEUTRAL CONNECTION, POWERED BY MEASURING CIRCUIT, FOR MONITORING OF 1-3 PHASE OVER- AND UNDERVOLTAGE, (CM-PVE)
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $98.00
    $98.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR750488R8300

    ASEA BROWN BOVERI

    1SVR750488R8300

    (PRICE/EA) CM-MPN.62S THREE-PHASE MON.
    ✓ IN STOCK!
    $513.00 Buy Surplus As Low As $255.00
    $255.00
    Repair Yours $212.00
    EATON CORPORATION PFR-WMA-105

    EATON CORPORATION

    MOELLER ELECTRIC

    PFR-WMA-105

    MOELLER PFR-WMA-105 MAGNETIC SCREEN
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $194.00
    $194.00
    Repair Yours $200.00
    GENERAL ELECTRIC MCRC040ATC

    GENERAL ELECTRIC

    MCRC040ATC

    MCRC040ATC GE RELAY 4NO 16A ITH 32V DC COIL
    $45.32 Buy Surplus As Low As $29.32
    $29.32
    DOLD IK9065.11*

    DOLD

    IK9065.11*

    MEASURING RELAYS - UNDERLOAD - 1 PHASE / 3 PHASE AUTO RESET
    ✓ IN STOCK!
    $141.29 Buy Surplus As Low As $72.51
    $72.51
    ASEA BROWN BOVERI 1SVR730840R0300

    ASEA BROWN BOVERI

    1SVR730840R0300

    (PRICE/EA) CM-SRS.12S CURRENT MON. RELAY
    ✓ IN STOCK!
    $339.00 Buy Surplus As Low As $258.00
    $258.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730841R1500

    ASEA BROWN BOVERI

    1SVR730841R1500

    RELAY, CURRENT MONITORING, CM-SRS.22S
    ✓ IN STOCK!
    $315.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730794R1300

    ASEA BROWN BOVERI

    1SVR730794R1300

    (PRICE/EA) CM-PVS.31S THREE-PHASE MON.
    $364.00 Buy Surplus As Low As $191.00
    $191.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730824R9300

    ASEA BROWN BOVERI

    1SVR730824R9300

    PHASE MONITOR RELAY, PHASE FAILURE DETECTION, 3 PHASE, SPDT, DIN RAIL MOUNT, 4 AMP, SCREW TERMINATION, 200-500 VAC, ROHS COMPLIANT
    ✓ IN STOCK!
    $175.00 Buy Surplus As Low As $107.00
    $107.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730774R1300

    ASEA BROWN BOVERI

    1SVR730774R1300

    (PRICE/EA) CM-PAS.31S THREE-PHASE MON.
    ✓ IN STOCK!
    $345.00 Buy Surplus As Low As $207.00
    $207.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR550871R9500

    ASEA BROWN BOVERI

    1SVR550871R9500

    (PRICE/EA) CM-PVE UNDER & OVERVOLT. 3PH.
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $98.00
    $98.00
    Repair Yours $200.00
    ASEA BROWN BOVERI OFM600

    ASEA BROWN BOVERI

    OFM600

    (PRICE/EA) FUSE MONITOR 380-600V
    ✓ IN STOCK!
    $388.00 Buy Surplus As Low As $295.00
    $295.00
    Repair Yours $200.00
    ASEA BROWN BOVERI PLM6405

    ASEA BROWN BOVERI

    SSAC

    PLM6405

    MOTOR PROTECTOR, VOLTAGE MONITOR, 3 PHASE, INPUT: 200-240 VAC / 60 HZ, 8 AMPS RES @ 240 VAC, 8 PIN
    $235.00 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $200.00
    ASEA BROWN BOVERI K6NCT-600

    ASEA BROWN BOVERI

    K6NCT-600

    NEUTRAL GND FAULT SENSOR 600A
    ✓ IN STOCK!
    $809.00 Buy Surplus As Low As $486.00
    $486.00
    Repair Yours $404.00
    ASEA BROWN BOVERI PR111PALSI

    ASEA BROWN BOVERI

    PR111PALSI

    TRIP UNIT PR111/P-A LSI E1/E6
    ✓ IN STOCK!
    $3,788.00 Buy Surplus As Low As $2,273.00
    $2,273.00
    Repair Yours $1,887.00
    EATON CORPORATION GFR60E

    EATON CORPORATION

    CUTLER HAMMER

    GFR60E

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, ELECTRICAL RESET, NO ZONE
    ✓ IN STOCK!
    $5,653.00 Buy Surplus As Low As $3,652.45
    $3,652.45
    Repair Yours $2,252.29
    EATON CORPORATION GFR60EI

    EATON CORPORATION

    CUTLER HAMMER

    GFR60EI

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, ELECTRICAL RESET, WITH ZONE
    $6,325.00 Buy Surplus As Low As $3,795.00
    $3,795.00
    Repair Yours $3,150.00
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