Product Search

    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.

    Filter Results
    Results 451-500 of 838.
    ASEA BROWN BOVERI 715330-F76

    ASEA BROWN BOVERI

    715330-F76

    DISCONTINUED BY MANUFACTURER, CURRENT TRANSFORMER POWER SHIELD, 2A
    ✓ IN STOCK!
    Buy Surplus As Low As $259.81
    $259.81
    BENDER RCM470LY-11

    BENDER

    RCM470LY-11

    DISCONTINUED BY MANUFACTURER, RESIDUAL CURRENT MONITOR, AC 24V SUPPLY VOLTAGE, 50-400HZ, 3.0VA, AC 250V RELAY CONTACT, 5A, B94012025
    ✓ IN STOCK!
    Buy Surplus As Low As $183.00
    $183.00
    Repair Yours $305.44
    VERIVOLT ISOBLOCK V-1C (1000V-5V)

    VERIVOLT

    ISOBLOCK V-1C (1000V-5V)

    VOLTAGE TRANSDUCER, GALVANIC ISOLATION, 12-28V, 9-28VDC, INPUT 1000V, OUTPUT 5V, DIN RAIL MOUNT
    ✓ IN STOCK!
    $566.00 Buy Surplus As Low As $254.00
    $254.00
    Repair Yours $300.00
    WESTINGHOUSE 255P157H02C

    WESTINGHOUSE

    255P157H02C

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, 120 VAC, 125 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $101.04
    $101.04
    Repair Yours $300.00
    GENERAL ELECTRIC 12IAC77B63A

    GENERAL ELECTRIC

    12IAC77B63A

    DISCONTINUED BY MANUFACTURER, TIME OVERCURRENT RELAY, TYPE IAC, 40A
    ✓ IN STOCK!
    Buy Surplus As Low As $390.20
    $390.20
    Repair Yours $464.69
    ASEA BROWN BOVERI 587R0428-61114

    ASEA BROWN BOVERI

    587R0428-61114

    DISCONTINUED BY MANUFACTURER, RELAY / DISTRIBUTION PROTECTION SYSTEM, INDUSTRIAL CONTROL EQUIPMENT, TYPE / DPU 2000R, PHASE / 0.4-12 AMP, GROUND / 0.4-12 AMP, 60 HZ, 1-12 AMP, 70-280 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $295.80
    $295.80
    Repair Yours $377.57
    EATON CORPORATION D65VMLS480-B1

    EATON CORPORATION

    CUTLER HAMMER

    D65VMLS480-B1

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR RELAY, 208-480 VAC, 30 VDC, 10 AMP, 1/3 HP
    ✓ IN STOCK!
    Buy Surplus As Low As $330.43
    $330.43
    Repair Yours $300.00
    MINILEC CSP-80

    MINILEC

    CSP-80

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, 8000, TEST/RESET, 415 V
    ✓ IN STOCK!
    Buy Surplus As Low As $8.75
    $8.75
    Repair Yours $300.00
    TIME MARK CORP 98083702

    TIME MARK CORP

    98083702

    PHASE MONITORING RELAY, 240 V, 208-240 VAC SUPPLY, 8 PIN, 10 AMP, ELECTROMECHANICAL, 160-240 V RANGE
    ✓ IN STOCK!
    $116.28 Buy New $116.28
    $54.42
    Repair Yours $300.00
    ASEA BROWN BOVERI 230F0261

    ASEA BROWN BOVERI

    230F0261

    DISCONTINUED BY MANUFACTURER, GROUND DETECTION RELAY, ITE-64F, STANDARD CASE, CONT 120 VAC, 50/60 HZ, TRIP/TEST, TARGET/RESET, LED INDICATORS, SCREW TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $98.77
    $98.77
    Repair Yours $300.00
    SIEMENS 3TX7112-1DC03C

    SIEMENS

    3TX7112-1DC03C

    PLUG-IN RELAY. OCTAL. DPDT. 10A. 24VDC, PLUG-IN RELAY, BASIC 8-PIN OCTAL BASE DPDT, 10A, 24VDC USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
    ✓ IN STOCK!
    $48.30 Buy Surplus As Low As $28.00
    $28.00
    Repair Yours $300.00
    MATSUSHITA ELECTRIC LT48T-24-240V

    MATSUSHITA ELECTRIC

    AROMAT

    LT48T-24-240V

    DIGITAL QUARTZ TIMER, 24-240 V AC/DC, 100 MA MAX, 8 PIN
    ✓ IN STOCK!
    $415.00 Buy Surplus As Low As $36.00
    $36.00
    Repair Yours $300.00
    AUTOMATION DIRECT VMR-2C-A-120A

    AUTOMATION DIRECT

    VMR-2C-A-120A

    PROSENSE VOLTAGE MONITOR RELAY, 1-PHASE, SOCKET MOUNT, FINGER-SAFE, 90-150 VAC INPUT VOLTAGE, DPDT, 10A CONTACT RATING, 8-PIN, LED INDICATOR(S), OVERVOLTAGE, UNDERVOLTAGE AND ADJUSTABLE DROP ...
    ✓ IN STOCK!
    $116.00 Buy Surplus As Low As $49.28
    $49.28
    EATON CORPORATION EASY-BOX-E4-UC1

    EATON CORPORATION

    CUTLER HAMMER

    EASY-BOX-E4-UC1

    SOFTWARE AND STARTER KIT, 8A, 28.8V; NO. OF INPUTS:8INPUTS; CURRENT RATING:8A; NO. OF OUTPUTS:4OUTPUTS; KIT CONTENTS:EATON EASY-E4-UC-12RC1 CONTROL RELAY, PATCH CABLE AND SOFTWARE LICENSE; S ...
    ✓ IN STOCK!
    $592.29 Buy Surplus As Low As $355.38
    $355.38
    Repair Yours $300.00
    TOSHIBA RC81C

    TOSHIBA

    RC81C

    DISCONTINUED BY MANUFACTURER, PHASE REVERSAL GROUND FAULT MODULE, OPERATING TIME WITHIN 0.5 SEC, 2-12A RATED CURRENT
    ✓ IN STOCK!
    Buy Surplus As Low As $35.99
    $35.99
    Repair Yours $300.00
    SIEMENS 3UG5616-1CR20

    SIEMENS

    3UG5616-1CR20

    DIGITALLY ADJUSTABLE MONITORING RELAY PHASE FAILURE, PHASE SEQUENCE, ASYMMETRY, FREQUENCY, OVER- AND UNDER-VOLTAGE MONITORING 3X 90-690 V AC, 15-70 HZ 2 CHANGEOVER CONTACTS SCREW TERMINAL
    ✓ IN STOCK!
    $586.22 Buy Surplus As Low As $445.53
    $445.53
    Repair Yours $300.00
    SIEMENS 3UG5514-1BR20

    SIEMENS

    3UG5514-1BR20

    ANALOG ADJUSTMENT MONITORING RELAY, PHASE FAILURE, PHASE SEQUENCE, ASYMMETRY AND UNDER-VOLTAGE MONITORING 3X 160-690 V AC, 15-70 HZ 2 CHANGEOVER CONTACTS SCREW TERMINAL
    ✓ IN STOCK!
    $296.84 Buy Surplus As Low As $170.89
    $170.89
    Repair Yours $300.00
    ICM ICM401A

    ICM

    ICM401A

    MONITOR, 3PH, UNIVERSAL, 190-600VAC
    ✓ IN STOCK!
    $73.44 Buy Surplus As Low As $48.96
    $48.96
    GENERAL ELECTRIC 3S7505HK501A1

    GENERAL ELECTRIC

    3S7505HK501A1

    GROUND FAULT RELAY, 230 VAC, 10 AMP, 8-PIN
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $18.79
    $18.79
    EATON CORPORATION D65VMLRS480

    EATON CORPORATION

    CUTLER HAMMER

    D65VMLRS480

    3PH MONITOR RELAY, PROTECTIVE RELAY, VOLTAGE/PHASE MONITOR, TRANSMISSION DISTRIBUT. RELAYS, PHASE/VOLTAGE LOSS RELAY
    ✓ IN STOCK!
    $335.08 Buy Surplus As Low As $201.05
    $201.05
    Repair Yours $300.00
    CROUZET DUR2-110A

    CROUZET

    SYRELEC

    DUR2-110A

    DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 3 PHASE, VOLTAGE RATING: 110VAC, OUTPUT CURRENT:10A, OUTPUT VOLTAGE: 250VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $173.13
    $173.13
    Repair Yours $300.00
    GENERAL ELECTRIC 36C774137ABG08

    GENERAL ELECTRIC

    36C774137ABG08

    DISCONTINUED BY MANUFACTURER, GROUND FAULT DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $68.26
    $68.26
    Repair Yours $300.00
    HONEYWELL R8154C1000

    HONEYWELL

    R8154C1000

    DISCONTINUED BY MANUFACTURER, ELECTRIC HEAT RELAY, THREE SWITCHES, 24 V, 60 CY, QUICK CONNECT TERMINAL (LOAD SIDE), LUG CONNECTION (LINE SIDE)
    ✓ IN STOCK!
    Buy Surplus As Low As $127.59
    $127.59
    Repair Yours $300.00
    DANAHER CONTROLS 4471-60011

    DANAHER CONTROLS

    WARD LEONARD

    4471-60011

    DISCONTINUED BY MANUFACTURER, RELAY, TYPE HR RELAY, 6 POLE, 10 AMP, 600 V MAX, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $43.23
    $43.23
    Repair Yours $300.00
    GENERAL ELECTRIC 12IRT51E2A

    GENERAL ELECTRIC

    12IRT51E2A

    DISCONTINUED BY MANUFACTURER, TEMPERATURE RELAY, 100 OHM @ 0 PLATINUM RTD, 80C-160C, 120/240 VAC, 50/60 HZ, .2/2.0 AMP DC TARGET SEAL, 1 ELECTRICALLY SEPERATE N.O., 7 INTERNAL CONNECTIONS FI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $347.53
    $347.53
    Repair Yours $435.65
    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
    ✓ IN STOCK!
    $198.19 Buy New $198.19
    $118.91
    Repair Yours $300.00
    CROUZET DSR-12D

    CROUZET

    DSR-12D

    UNDERVOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 12 VDC, CAN BE REPLACED BY PN DSR110A. DIFFERENCE: 110V INPUT INSTEAD OF 12V. NEEDED: A DIFFERENT INPUT POWER IS NEEDED
    ✓ IN STOCK!
    Buy Surplus As Low As $44.00
    $44.00
    Repair Yours $300.00
    LOVATO 31-ASF380

    LOVATO

    31-ASF380

    RELAY PHASE SEQUENCE ASF 380/415VAC DIN 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $150.00
    $150.00
    Repair Yours $300.00
    AUTOMATION DIRECT AD-PR40-1C-120A

    AUTOMATION DIRECT

    AD-PR40-1C-120A

    AUTOMATIONDIRECT POWER RELAY, PANEL MOUNT, OPEN, 120 VAC COIL VOLTAGE, SPDT, (1) N.O., (1) N.C., 40A CONTACT RATING, SCREW TERMINAL(S).
    ✓ IN STOCK!
    $41.00 Buy Surplus As Low As $19.19
    $19.19
    TYCO 565-558

    TYCO

    SIMPLEXGRINNELL

    565-558

    4009 EARTH DETECT BOARD ASSEMBLY
    ✓ IN STOCK!
    $42.00 Buy Surplus As Low As $16.80
    $16.80
    Repair Yours $300.00
    SIEMENS 3UG4815-2AA40

    SIEMENS

    3UG4815-2AA40

    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 ...
    ✓ IN STOCK!
    $511.00 Buy Surplus As Low As $389.00
    $389.00
    Repair Yours $300.00
    SIEMENS 3UG4815-1AA40

    SIEMENS

    3UG4815-1AA40

    DIGITAL MONITORING RELAY, FOR IO-LINK, 3-PHASE SUPPLY, 160-690 VAC, 50/60 HZ, PHASE SEQUENCE, PHASE FAILURE, PHASE ASYMMETRY, UNDERVOLTAGE, OVERVOLTAGE, HYSTERESIS, LINE STABILIZATION, DELAY ...
    ✓ IN STOCK!
    $500.00 Buy Surplus As Low As $258.65
    $258.65
    Repair Yours $300.00
    SIEMENS 3UG4832-2AA40

    SIEMENS

    3UG4832-2AA40

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FOR IO-LINK 10...600 V AC/DC OVERVOLTAGE AND UNDERVOLTAGE HYSTERESIS 0.1 TO 300 V ON-DELAY TIME TRIPPING DELAY TIME 1 CHANGE-OVER CONTACT ...
    ✓ IN STOCK!
    $447.00 Buy Surplus As Low As $282.00
    $282.00
    Repair Yours $300.00
    SIEMENS 3UG4832-1AA40

    SIEMENS

    3UG4832-1AA40

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FOR IO-LINK 10...600 V AC/DC OVERVOLTAGE AND UNDERVOLTAGE HYSTERESIS 0.1 TO 300 V ON-DELAY TIME TRIPPING DELAY TIME 1 CHANGE-OVER CONTACT ...
    ✓ IN STOCK!
    $433.00 Buy Surplus As Low As $274.00
    $274.00
    Repair Yours $300.00
    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!
    $703.84 Buy Surplus As Low As $337.85
    $337.85
    Repair Yours $300.00
    SIEMENS 5TT3195

    SIEMENS

    5TT3195

    VOLTAGE RELAY, 230-400VAC, 50-60HZ, 2WATT, 4AMP, 0.7-0.9UC, ASYMMETRICAL MONITORING, WITH TRANSPARENT CAP, SCREW TERMINALS, DIN RAIL MOUNTING , 5TT3195
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $194.00
    $194.00
    Repair Yours $300.00
    DOLD EH9997.11 AC/DC24V US=12-70V

    DOLD

    EH9997.11 AC/DC24V US=12-70V

    0000517, FAULT ANNUNCIATOR SYSTEM, 1 CHANGEOVER CONTACT, AC/DC 24V, 12-70V, 6 LED SIGNALS, FRONT PANEL MOUNTING
    ✓ IN STOCK!
    $432.71 Buy Surplus As Low As $225.90
    $225.90
    Repair Yours $300.00
    DOLD AN9843.82/013 3AC50/60HZ 415V 1-20S

    DOLD

    AN9843.82/013 3AC50/60HZ 415V 1-20S

    DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 1-20S, 3 AC AT 50/60HZ 415V, 3 AMPS AT 250 VOLTS, PANEL MOUNT
    ✓ IN STOCK!
    $777.46 Buy Surplus As Low As $64.85
    $64.85
    Repair Yours $300.00
    CEE YTM 7111

    CEE

    YTM 7111

    ADMITTANCE RELAY / ALTERNATOR LOSS OF FIELD PROTECTION, 7000 SERIES, TIME DELAY / 0.6 TO 6 SECOND / 1-10 SECOND, K1 / 70-300 %, K2 / 5-34 %, 1-5 AMP, 100 V, 50/60 HZ, AUX: CC/DC 110 V, ANSI ...
    ✓ IN STOCK!
    $899.94 Buy Surplus As Low As $287.98
    $287.98
    Repair Yours $300.00
    TIME MARK CORP A257B-400HZ

    TIME MARK CORP

    A257B-400HZ

    3-PHASE-MONITORS,480VAC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    $126.25 Buy New $126.25
    $62.62
    Repair Yours Contact Us
    TIME MARK CORP 20AB-M

    TIME MARK CORP

    20AB-M

    3-PHASE-MONITORS,WITH TRIP AND RESTART DELAYS, 1X N.O. CONTACT AND 1 N.C. CONTACT, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN
    ✓ IN STOCK!
    $208.00 Buy New $208.00
    $125.00
    Repair Yours $200.00
    TELE CONTROLS E1PF480Y/277VSY01

    TELE CONTROLS

    E1PF480Y/277VSY01

    PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
    ✓ IN STOCK!
    $102.77 Buy New $102.77
    $61.67
    Repair Yours $300.00
    DEIF RMC-142D-1A-ND-ND-1S-20S-24VDC

    DEIF

    RMC-142D-1A-ND-ND-1S-20S-24VDC

    DISCONTINUED BY MANUFACTURER, STATOR EARTH FAULT RELAY, TYPE: RMC-142D, ORDER NO: 400022308.10, MEAS CURRENT: 1A, MODULE: 1A, SCALE: 1, SUPPLY: 24VDC, T1: 1S, T2: 20S, RELAY B: NORM. DEENERG ...
    ✓ IN STOCK!
    Buy Surplus As Low As $198.87
    $198.87
    Repair Yours $300.00
    DEIF RMV-112D-DELTA-440VAC-NE+ND-440VAC

    DEIF

    RMV-112D-DELTA-440VAC-NE+ND-440VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 440/254V, MODULE: 440V, SUPPLY: 440VAC, RELAY B: NOR. ENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, OV ...
    ✓ IN STOCK!
    $754.41 Buy Surplus As Low As $224.72
    $224.72
    Repair Yours $300.00
    DEIF RMF-112D-440VAC-60HZ-ND+ND-440VAC

    DEIF

    RMF-112D-440VAC-60HZ-ND+ND-440VAC

    DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, TYPE RMF-112D, 440VAC, 60HZ, RELAY B NORM. DEENERGIZED, RELAY C NORM. DEENERGIZED, UNDERFREQUENCY 90-100%, OVERFREQUENCY 100-110%, 0-10S
    ✓ IN STOCK!
    Buy Surplus As Low As $271.03
    $271.03
    Repair Yours $324.81
    GEC MEASUREMENTS YCGF11AF2A

    GEC MEASUREMENTS

    YCGF11AF2A

    DISCONTINUED BY MANUFACTURER, FIELD FAILURE RELAY, YCGF SERIES, Z1=K3+K4=K2 OHM, Z2=K1XK5 OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $246.00
    $246.00
    Repair Yours $204.18
    GEC MEASUREMENTS WDG11AF22BD

    GEC MEASUREMENTS

    WDG11AF22BD

    DISCONTINUED BY MANUFACTURER, INVERSE TIME / REVERSE POWER RELAY, WDG SERIES, 18-126 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $300.00
    $300.00
    Repair Yours $249.00
    OMRON SDV-FM2 DC24

    OMRON

    SDV-FM2 DC24

    VOLTAGE SENSOR, SINGLE-FUNCTION, OVERVOLTAGE OR UNDERVOLTAGE DETECTION, 0.2 TO 12 V (AC OR DC INPUT), 24 VDC , SDV-FM2 DC24
    ✓ IN STOCK!
    $1,090.00 Buy Surplus As Low As $351.00
    $351.00
    Repair Yours $366.40
    GOTRONIC 553100

    GOTRONIC

    553100

    POWER LINE MONITOR 240VAC
    ✓ IN STOCK!
    $118.80 Buy Surplus As Low As $93.75
    $93.75
    Repair Yours $300.00
    SIEMENS 3TX7004-1LB02

    SIEMENS

    3TX7004-1LB02

    OUTPUT COUPLING LINK, SCREW TERMINAL, 1 CO HARD GOLD-PLATED, 24 VAC/DC, 6.2 MM ENCLOSURE WIDTH, DIN RAIL MOUNTABLE, PREFERRED SUCCESSOR: 3RQ3018-1AB01
    ✓ IN STOCK!
    $90.00 Buy Surplus As Low As $42.00
    $42.00
    Previous Next
    5 6 7 8 9 10 11 12 13 14 15