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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 751-800 of 827.
    SCHNEIDER ELECTRIC CM4000MG

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    CM4000MG

    DISCONTINUED BY MANUFACTURER, CIRCUIT MONITOR, 4000 SERIES, POWERLOGIC, UP TO 32MB MEMORY, 240 VAC, 300 VDC, 96 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $4,800.00
    $4,800.00
    Repair Yours $4,000.00
    SEL 071001D6X9X71870200

    SEL

    071001D6X9X71870200

    MOTOR PROTECTION RELAY, POWER SUPPLY 110-250 VDC, 110-240 VAC 50/60 HZ, 40 VA/15W, ENCLOSURE TYPE 12, TERMINAL PROTECTION
    ✓ IN STOCK!
    $3,871.43 Buy Surplus As Low As $1,431.06
    $1,431.06
    Repair Yours $1,250.29
    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
    MARSH BELLOFRAM UOA-0313-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-0313-DLA

    DISCONTINUED BY MANUFACTURER, SINGLE PHASE UNDER VOLTAGE MONITOR, UOA SERIES, UOA-0313, STYLE A, 5-10 VDC SUPPLY VOLTAGE, SENSING VOLTAGE: 50 TO 50 VDC, SUPPLY VOLTAGE: 120 VAC, CONTACTS: 10 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $64.50
    $64.50
    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!
    $4,666.44 Buy Surplus As Low As $287.98
    $287.98
    Repair Yours $300.00
    CEE ITV 7366

    CEE

    ITV 7366

    RELAY / VOLTAGE RESTRAINED OVERCURRENT, 7000 SERIES, (VERY INVERSE IDMT), LED INDICATORS, (2) 3 PHASE OVERCURRENT UNITS, VOLTAGE RESTRAINED OVERCURRENT / 51 V, 1-5 AMP, 100 / 110 / 120 / 380 ...
    ✓ IN STOCK!
    $5,024.01 Buy Surplus As Low As $958.08
    $958.08
    Repair Yours $795.21
    EMERSON 3051CD3A22A1AS1C6M5

    EMERSON

    FISHER ROSEMOUNT

    3051CD3A22A1AS1C6M5

    DISCONTINUED BY MANUFACTURER, PRESSURE TRANSMITTER, DIRECT MOUNT SEALS, IP66/68, 17.5MA, 9-30VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,588.54
    $1,588.54
    Repair Yours $1,464.98
    DOLD AD5999 AC50/60HZ 230V

    DOLD

    AD5999 AC50/60HZ 230V

    FAULT ANNUNCIATOR SYSTEM, 230 VAC, 3 ALARM INPUTS, ALARM INPUTS EXTENDABLE UP TO 203, ENERGIZED ON TRIP, (0032370)
    ✓ IN STOCK!
    $396.21 Buy Surplus As Low As $134.64
    $134.64
    Repair Yours $401.26
    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 $89.76
    $89.76
    Repair Yours $300.00
    DOLD BD9080.12 3AC230V UH AC230V 0,1-5S

    DOLD

    BD9080.12 3AC230V UH AC230V 0,1-5S

    PHASE MONITOR, ARTICLE NUMBER: 0045763, VARIMETER PRO SERIES, BD 9080, 2 CHANGEOVER CONTACTS, 3AC 230V NOMINAL, 230VAC AUX, 0.1-5SEC RELEASE DELAY, DE-ENERGIZED ON TRIP
    ✓ IN STOCK!
    $469.48 Buy Surplus As Low As $275.53
    $275.53
    Repair Yours $267.51
    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 IL9075.12/001 AC50...400HZ 400V

    DOLD

    IL9075.12/001 AC50...400HZ 400V

    DISCONTINUED BY MANUFACTURER, FUSE MONITOR, 3 PHASE, 400 HZ, DE-ENERGIZED ON TRIP, AUTOMATIC RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $87.48
    $87.48
    Repair Yours $300.00
    MARSH BELLOFRAM PCA-120/208ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PCA-120/208ALE

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR, ADJUSTABLE RESTART DELAY, SCREW CLAMP TERMINALS, STATUS LED, 120-208 V AC SUPPLY VOLTAGE, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $134.62
    $134.62
    Repair Yours $300.00
    WESTINGHOUSE 1096945C

    WESTINGHOUSE

    1096945C

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $240.96
    $240.96
    Repair Yours $300.00
    GENERAL ELECTRIC 12SFC15386A

    GENERAL ELECTRIC

    12SFC15386A

    DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, 0-1 SECOND DELAY, 1.5-12 AMPS, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $747.95
    $747.95
    Repair Yours $726.08
    GENERAL ELECTRIC 12IAC66T53A

    GENERAL ELECTRIC

    12IAC66T53A

    DISCONTINUED BY MANUFACTURER, TIME OVERCURRENT RELAY, IAC TYPE, 2.5-7.5 AMPS, LONG TIME /4/12 AMPS /60 HZ, 125 VOLTS - TIMER UNIT, 0.05/5.0 SECONDS
    ✓ IN STOCK!
    Buy Surplus As Low As $598.37
    $598.37
    Repair Yours $580.87
    ICM ICM450A

    ICM

    ICM450A

    PRGRMBL 3-PHASE LINE VOLT MONITOR, 25-FAULT MEMORY STORAGE, NON-VOLATILE, IDENTIFIES FRONT AND BACK SIDE FAULTS, UNIVERSAL VOLTAGE OPERATION: 190-630 VAC
    ✓ IN STOCK!
    $283.00 Buy Surplus As Low As $170.41
    $170.41
    Repair Yours $200.00
    ICM ICM450A+

    ICM

    ICM450A+

    LINE VOLTAGE MONITOR, 3-PHASE, UNIVERSAL 190 600 VAC, 50-60 HZ, 18 240 VAC, REAL-TIME CLOCK FOR THE DATE AND TIME STAMP OF FAULT EVENTS
    ✓ IN STOCK!
    $307.05 Buy Surplus As Low As $184.23
    $184.23
    Repair Yours $300.00
    GENERAL ELECTRIC 12CEB52A2D

    GENERAL ELECTRIC

    12CEB52A2D

    DISCONTINUED BY MANUFACTURER, MHO DISTANCE RELAY, 120 VAC, 5 AMP, 60 CYCLES
    ✓ IN STOCK!
    Buy Surplus As Low As $839.20
    $839.20
    Repair Yours $733.20
    BASLER ELECTRIC TIEE1CD0N07

    BASLER ELECTRIC

    TIEE1CD0N07

    DISCONTINUED BY MANUFACTURER, PROTECTIVE RELAY, CYCLES-3, 60-HZ, TRIP FREQUENCY-1
    ✓ IN STOCK!
    Buy Surplus As Low As $378.96
    $378.96
    Repair Yours $300.00
    TSUDAKOMA 626352CB

    TSUDAKOMA

    626352CB

    DISCONTINUED BY MANUFACTURER, VOLTAGE CONTROLLER, -5 TO +5
    ✓ IN STOCK!
    Buy Surplus As Low As $849.00
    $849.00
    Repair Yours $705.00
    SCHWEITZER ENGINEERING 751A01ACA0X74851000

    SCHWEITZER ENGINEERING

    751A01ACA0X74851000

    FEEDER PROTECTION RELAY, 110-250 VDC, 110-240 VAC SUPPLY, 50/60 HZ, PUSHBUTTON INTERFACE, DIGITAL DISPLAY
    ✓ IN STOCK!
    $7,460.63 Buy Surplus As Low As $3,015.61
    $3,015.61
    Repair Yours $2,502.96
    ASEA BROWN BOVERI NBRA-656C

    ASEA BROWN BOVERI

    NBRA-656C

    DISCONTINUED BY MANUFACTURER, UNIVERSAL BRAKE CHOPPER, 6 OHM, 2400 KJ, 6 KW, 400 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $533.67
    $533.67
    Repair Yours $421.00
    MINILEC USP-D1

    MINILEC

    USP-D1

    PHASE FAILURE RELAY, 415 VAC, 50/60 HZ, 1 CO OUTPUT, PHASE SEQUENCE, CONTACT RATING 5 A @ 230 VAC
    ✓ IN STOCK!
    $254.16 Buy Surplus As Low As $100.06
    $100.06
    Repair Yours $300.00
    SCHNEIDER ELECTRIC P122B00Z112CD0

    SCHNEIDER ELECTRIC

    P122B00Z112CD0

    DISCONTINUED BY MANUFACTURER, FAULT PROTECTION RELAY, 3 PHASE, EARTH AND OVERCURRENT, 0.01-8 ION, DIGITAL INPUT VOLTAGE: 24-250 VDC/24-240 VAC, AUXILIARY VOLTAGE: 24-250 VDC/48-240 VC, COMMU ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,064.00
    $1,064.00
    Repair Yours $698.00
    SCHNEIDER ELECTRIC P122A00Z112CF0

    SCHNEIDER ELECTRIC

    P122A00Z112CF0

    DISCONTINUED BY MANUFACTURER, FAULT PROTECTION RELAY, 3 PHASE, 0.1-40 ION, OVERCURRENT AND EARTH, DIGITAL INPUT VOLTAGE: 24-250 VDC/24-240 VAC, AUXILIARY VOLTAGE: 24-250 VDC/48-240 VAC, COMM ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,064.00
    $1,064.00
    Repair Yours $698.00
    BENDER RCMA423-D9-1

    BENDER

    RCMA423-D9-1

    DISCONTINUED BY MANUFACTURER, GROUND-FAULT MONITOR FOR GROUNDED AND HIGH-RESISTANCE GROUNDED AC/DC SYSTEMS, 5 AMP, 16-72 VAC, 30 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $230.42
    $230.42
    Repair Yours $300.00
    ASEA BROWN BOVERI 609300K02

    ASEA BROWN BOVERI

    609300K02

    PHASE SENSOR, 600A BREAKING RATE, K800
    ✓ IN STOCK!
    $586.00 Buy Surplus As Low As $230.65
    $230.65
    Repair Yours $300.00
    ASEA BROWN BOVERI 609300-K4

    ASEA BROWN BOVERI

    609300-K4

    CURRENT TRANSFORMER POWER SHIELD, 1600/2000 AMP
    ✓ IN STOCK!
    $683.00 Buy Surplus As Low As $276.35
    $276.35
    PROCOM TECHNOLOGY GS7001-B-22A3

    PROCOM TECHNOLOGY

    GS7001-B-22A3

    DISCONTINUED BY MANUFACTURER, DIGITAL PROTECTION RELAY, GMS7000 SERIES, INPUT: 20-66 V, 50HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $2,177.00
    $2,177.00
    Repair Yours $1,807.00
    BASLER ELECTRIC BE1-87G-S1A-A1C-A0N0

    BASLER ELECTRIC

    BE1-87G-S1A-A1C-A0N0

    DISCONTINUED BY MANUFACTURER, VARIABLE PERCENTAGE DIFFERENTIAL RELAY. BE1-87G MODEL, 1 PHASE, SELECTABLE INPUT, INSTANTANEOUS TIMING, INTERNALLY OPERATED TARGETS
    ✓ IN STOCK!
    Buy Surplus As Low As $382.63
    $382.63
    Repair Yours $352.87
    BASLER ELECTRIC BE1-59N-A8E-E1L-N0S1F

    BASLER ELECTRIC

    BE1-59N-A8E-E1L-N0S1F

    DISCONTINUED BY MANUFACTURER, GROUND FAULT OVERVOLTAGE RELAY, MODEL BE1-59N, SINGLE PHASE, INPUT 240VAC 60HZ, NOMINAL 20-100VAC PICKUP, OUTPUT 1NO RELAY OVER, TIMING OVER-DIFINITE 0.1-99.9SE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $765.27
    $765.27
    Repair Yours $635.18
    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 $448.77
    $448.77
    Repair Yours $435.65
    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 $59.83
    $59.83
    Repair Yours $300.00
    CONVERTEAM KBCH14001H15MEJ

    CONVERTEAM

    ALSTOM

    KBCH14001H15MEJ

    DISCONTINUED BY MANUFACTURER, RELAY / DIFFERENTIAL PROTECTION, MODEL KBCH140, ALARM / TRIP, PROGRAMMABLE / 8 AUXILIARY, 5 AMP, 48/250 / 100/120 V, 50/60 HZ, FOR TRANSFORMERS AND GENERATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $824.25
    $824.25
    Repair Yours $811.87
    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 $123.87
    $123.87
    Repair Yours $300.00
    GENERAL ELECTRIC 36C774137ABG08

    GENERAL ELECTRIC

    36C774137ABG08

    DISCONTINUED BY MANUFACTURER, GROUND FAULT DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $94.48
    $94.48
    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 $223.57
    $223.57
    Repair Yours $300.00
    GENERAL ELECTRIC 3S7505HK501A1

    GENERAL ELECTRIC

    3S7505HK501A1

    GROUND FAULT RELAY, 230 VAC, 10 AMP, 8-PIN
    ✓ IN STOCK!
    $33.00 Buy Surplus As Low As $18.95
    $18.95
    ICM ICM401A

    ICM

    ICM401A

    MONITOR, 3PH, UNIVERSAL, 190-600VAC
    ✓ IN STOCK!
    $83.90 Buy Surplus As Low As $55.37
    $55.37
    GENERAL ELECTRIC 350-E-P5-G5-H-E-S-N-M-1E-D-N

    GENERAL ELECTRIC

    MULTILIN

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

    DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, LCD, FULL MENU, 10 INPUT, 7 OUTPUT, 5 AMP, 3 PHASE, 120-240 VAC, 125-250 VDC, COPPER / FIBER-MTRJ, MODBUS TCP/IP, ETHERNET, VOLTAGE MET ...
    ✓ IN STOCK!
    Buy Surplus As Low As $2,459.29
    $2,459.29
    Repair Yours $2,041.21
    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 $79.79
    $79.79
    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 $89.00
    $89.00
    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 $135.93
    $135.93
    Repair Yours $300.00
    BASLER ELECTRIC BE1-59-A4E-E1K-B1S3F

    BASLER ELECTRIC

    BE1-59-A4E-E1K-B1S3F

    DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, INTERNALLY OPERATED, 1 PHASE, INPUT 110-320VAC PICKUP, OUTPUT 1NO RELAY, DEFINITE TIMING, SUPPLY 48VDC, TARGET CURRENT OPERATED, INSTANTANEO ...
    ✓ IN STOCK!
    Buy Surplus As Low As $708.59
    $708.59
    Repair Yours $588.13
    NORTONICS FOXTAM LIMITED YWRPTC/400V

    NORTONICS FOXTAM LIMITED

    YWRPTC/400V

    DISCONTINUED BY MANUFACTURER, PHASE AND THERMISTOR RELAY, MONITORS LOSS OF PHASE, MONITORS PHASE SEQUENCE, MONITORS UP TO 6 THERMISTORS, 3 PHASE, 400 VAC, 50/60 HZ, 3 WIRE, SPCO+1NO, 10AMP/2 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $62.65
    $62.65
    GENERAL ELECTRIC 12CJCG16M1A

    GENERAL ELECTRIC

    12CJCG16M1A

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, CJCG TYPE, GROUND DIRECTIONAL, 1.9 AMP, .6/2 TARGET SEAL IN AMP, 0.5-4.0 PICK UP AMP, 120 V, 60 CYCLE
    ✓ IN STOCK!
    Buy Surplus As Low As $892.83
    $892.83
    Repair Yours $741.05
    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 $127.54
    $127.54
    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 $139.10
    $139.10
    Repair Yours $300.00
    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 $369.62
    $369.62
    Repair Yours $300.00
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