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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 701-750 of 849.
    GENERAL ELECTRIC 12CEY52A4D

    GENERAL ELECTRIC

    12CEY52A4D

    DISCONTINUED BY MANUFACTURER, PHASE DIRECTIONAL OVERCURRENT RELAY, 120 V, 0.5-15 MHO, 60 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $5,184.00
    $5,184.00
    Repair Yours $4,302.72
    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!
    $6,204.96 Buy Surplus As Low As $3,722.98
    $3,722.98
    Repair Yours $3,090.07
    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 $513.00
    $513.00
    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 $152.50
    $152.50
    Repair Yours $200.00
    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
    ASEA BROWN BOVERI 443T2341

    ASEA BROWN BOVERI

    443T2341

    DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, CIRCUIT SHEILD, 51Y TYPE, 125 VDC, 4-12 AMP TOC, 2-20 AMP IOC
    ✓ IN STOCK!
    Buy Surplus As Low As $2,894.40
    $2,894.40
    Repair Yours $2,402.35
    CR MAGNETICS CR4395-EH-24D-0.04-X-T-FP

    CR MAGNETICS

    CR4395-EH-24D-0.04-X-T-FP

    DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, LOAD: NPN SINKING, 100MA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $133.06
    $133.06
    CR MAGNETICS CR4395-EH-24D-.04-X-FP-T PNP

    CR MAGNETICS

    CR4395-EH-24D-.04-X-FP-T PNP

    DISCONTINUED BY MANUFACTURER, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, ENERGIZE: HI CURRENT (EH), LOAD: PNP - SOURCING, 100MA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $114.24
    $114.24
    MACROMATIC PBDU

    MACROMATIC

    PBDU

    PHASE MONITOR RELAY, SPDT, 5A, 250VAC; PRODUCT RANGE:-; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREW; SWITCHING VOLTAGE MAX:250VAC; SUPPLY V ...
    ✓ IN STOCK!
    $169.00 Buy New $169.00
    $102.00
    Repair Yours Contact Us
    DEIF RMV-112D-DELTA-440VAC-ND+ND-440VAC

    DEIF

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

    PROTECTIVE VOLTAGE RELAY, RMV-112D, 440VAC, NORM. DEENERGIZED, UNDERVOLTAGE 80 TO 100%, OVERVOLTAGE 100 TO 120%, 0 TO 10S
    ✓ IN STOCK!
    $673.67 Buy Surplus As Low As $404.20
    $404.20
    Repair Yours $335.49
    DEIF RMV-112D-DELTA-415VAC-ND+ND-24VDC

    DEIF

    RMV-112D-DELTA-415VAC-ND+ND-24VDC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 415/240V, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
    ✓ IN STOCK!
    $721.36 Buy Surplus As Low As $432.82
    $432.82
    Repair Yours $359.24
    DEIF RMV-112D-STAR-240VAC-NE+NE-24VDC

    DEIF

    RMV-112D-STAR-240VAC-NE+NE-24VDC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: STAR, MEASURING VOLTAGE: 415/240VAC, MODULE: 240V, SUPPLY: 24VDC, RELAY B: NORM. ENERGIZED, RELAY C: NORM. ENERGIZED, UNDERVOLTAGE: 80-100%, OVE ...
    ✓ IN STOCK!
    $852.57 Buy Surplus As Low As $512.08
    $512.08
    Repair Yours $426.29
    DEIF RMV-112D-DELTA-415VAC-NDL+NDL-24VDC

    DEIF

    RMV-112D-DELTA-415VAC-NDL+NDL-24VDC

    VOLTAGE RELAY, UNI-LINE, TYPE RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 240/415VAC, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED W/LATCH, RELAY C: NORM. DEENERGIZED W/LATCH
    ✓ IN STOCK!
    $584.62 Buy Surplus As Low As $444.31
    $444.31
    Repair Yours $291.14
    V INFINITY PTK25-D48-S12-T

    V INFINITY

    PTK25-D48-S12-T

    DISCONTINUED BY MANUFACTURER, VOLTAGE CONVERTER, DC-DC, AC-DC, SCREW CLAMP TERMINALS, 48 V INPUT @ 0.85 AMP, 12 V OUTPUT @ 2 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $56.85
    $56.85
    DEIF RMF-112D-110VAC-60HZ-ND-ND-110VDC

    DEIF

    RMF-112D-110VAC-60HZ-ND-ND-110VDC

    DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, UNI-LINE, TYPE: RMF-112D, MEAS VOLTAGE: 110V, MODULE: 110V, 60HZ, SUPPLY: 110VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDER ...
    ✓ IN STOCK!
    Buy Surplus As Low As $233.28
    $233.28
    Repair Yours $200.00
    DEIF TAS-331DG 2W3 -200-0-1500KW/440V(L-L) 3000A/5A -333-0-2500W 4-20MA -24-24MA 500OHM 24VDC

    DEIF

    TAS-331DG 2W3 -200-0-1500KW/440V(L-L) 3000A/5A -333-0-2500W 4-20MA -24-24MA 500OHM 24VDC

    DISCONTINUED BY MANUFACTURER, SELECTABLE AC-TRANSDUCER, TYPE: TAS-331DG, ORDER NO: 100018271.10, COUPLING: 2W3, RANGE: -200-0-1500KW, RATIO VT: 440V(L-L), RATIO CT: 3000A/5A, INPUT: -333-0-2 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $210.60
    $210.60
    Repair Yours $200.00
    DEIF RMP121D

    DEIF

    RMP121D

    DISCONTINUED BY MANUFACTURER, REVERSE POWER RELAY, TYPE: RMP-121D, MEAS VOLTAGE: 110 VAC, MEAS POWER: 537W, SUPPLY: 110 VAC, COUPLING: 1W3, MODULE: 63.3V, MODULE: 3A, SCALE: 0.94, INVERSE TI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $172.80
    $172.80
    Repair Yours $200.00
    TELE CONTROLS E1IM10AACL10 230V AC

    TELE CONTROLS

    E1IM10AACL10 230V AC

    CURRENT MONITORING RELAY, 1-PH, 10A AC, MULTIFUNCTION, 1 CO, SPDT, LED INDICATORS, 230V AC SUPPLY VOLTAGE
    ✓ IN STOCK!
    $242.00 Buy New $242.00
    $184.00
    Repair Yours Contact Us
    TELE CONTROLS G2TF02 24-240VAC/DC

    TELE CONTROLS

    G2TF02 24-240VAC/DC

    PTC MOTOR MONITORING RELAY, TEMPERATURE MONITORING, LED INDICATORS, 2 CO, DPDT RELAY OUTPUT, 24-240V AC/DC SUPPLY
    ✓ IN STOCK!
    $305.00 Buy New $305.00
    $183.00
    Repair Yours $200.00
    TELE CONTROLS V2PF480Y/277VSY01

    TELE CONTROLS

    V2PF480Y/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!
    $170.00 Buy New $170.00
    $113.00
    Repair Yours Contact Us
    SCHWEITZER ENGINEERING SEL-251D-251D00-4356UHGB

    SCHWEITZER ENGINEERING

    SEL-251D-251D00-4356UHGB

    DISCONTINUED BY MANUFACTURER, DISTRIBUTION RELAY, SEL-251D, PHASE OVERCURRENT RELAY W/ VOLTAGE CONTROL, GROUND OVERCURRENT, FAULT LOCATOR, SELOGIC CONTROL INPUT / 125 VD, POWER SUPPLY / 15 W ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,060.80 $780.00
    $1,060.80 $780.00
    Repair Yours $880.46
    SCHWEITZER ENGINEERING SEL-311C-0311C01H242542X

    SCHWEITZER ENGINEERING

    SEL-311C-0311C01H242542X

    DISCONTINUED BY MANUFACTURER, PROTECTION AND AUTOMATION SYSTEM, SEL-311C, LOGIC INPUT / 5 PHASE / 5 POLE / 125 VDC / 150 VAC WYE, POWER SUPPLY / 25 W / 85-350 VDC / 85-364 VAC / 125-250 VDC ...
    ✓ IN STOCK!
    Buy Surplus As Low As $4,080.00
    $4,080.00
    Repair Yours $3,386.40
    SCHWEITZER ENGINEERING SEL-551-0551003X532X

    SCHWEITZER ENGINEERING

    SEL-551-0551003X532X

    DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
    ✓ IN STOCK!
    Buy Surplus As Low As $1,016.29
    $1,016.29
    Repair Yours $996.00
    SAMWHA PMR-220N7

    SAMWHA

    PMR-220N7

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, DIN-RAIL, 160-300 VAC, 1 SPDT, 50/60 HZ, 220 VAC SUPPLY
    ✓ IN STOCK!
    Buy Surplus As Low As $118.80
    $118.80
    Repair Yours Contact Us
    CROUZET DWRA2230A

    CROUZET

    SYRELEC

    DWRA2230A

    DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, WRA2 SERIES, 3 PHASE, 10 AMP, 230 VAC, 50/60 HZ, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $190.00
    $190.00
    Repair Yours $200.00
    ALLEN BRADLEY 193-1EGJ

    ALLEN BRADLEY

    193-1EGJ

    GROUND FAULT AND JAM PROTECTION MODULE,24-240V AC/DC 50/60HZ,REMOTE RESET INPUT,ACCESSORY
    ✓ IN STOCK!
    Buy Surplus As Low As $102.00
    $102.00
    CEE DTM 7033

    CEE

    DTM 7033

    RELAY / MACHINE DIFFERENTIAL PROTECTION, SERIES 7000, 2 DUAL SLOPE BIAS, LEVEL 1 / ADJUSTABLE / 2-20 %, LEVEL 2 / FIXED AT 50 %, 3 PHASE, ANSI FUNCTION CODE: 87 M, FOR ROTATING MACHINES
    ✓ IN STOCK!
    $4,617.36 Buy Surplus As Low As $2,770.42
    $2,770.42
    Repair Yours $2,299.45
    CEE TTG 7114

    CEE

    TTG 7114

    DISPLACEMENT RELAY / NEUTRAL VOLTAGE, 7000 SERIES, DEFINITE TIME, TIME DELAY RANGE / 1-10 SECOND, AUXILIARY SUPPLY / 220 V MAX, 1-5 AMP, SINGLE PHASE ONLY, 100-110 V, 50/60 HZ, ANSI CODE 59N ...
    ✓ IN STOCK!
    $1,595.41 Buy Surplus As Low As $957.25
    $957.25
    Repair Yours $794.52
    LITTELFUSE 460-L

    LITTELFUSE

    460-L

    PHASE MONITORING RELAY, 460 SERIES, SPDT, 10 A, DIN RAIL, PANEL, SCREW, 240 VAC
    ✓ IN STOCK!
    $171.00 Buy Surplus As Low As $103.00
    $103.00
    Repair Yours Contact Us
    SKYMATIC CONTROLS GFR3FO00

    SKYMATIC CONTROLS

    GFR3FO00

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, GFR-3 HOUSED IN A METAL ENCLOSURE, MECHANICALLY AND ELECTRICALLY LATCHED, (DISCONTINUED),120VAC, DPDT, 10A, 9VA MAX, TRIP RANGE: 10.0 TO 120 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $166.32
    $166.32
    Repair Yours $200.00
    MARSH BELLOFRAM DPR350C

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    DPR350C

    PHASE MONITORING RELAY, SPDT, 5A, 250VAC
    ✓ IN STOCK!
    $179.00 Buy New $179.00
    $108.00
    Repair Yours Contact Us
    DOLD BA9036 AC60HZ 400V

    DOLD

    BA9036 AC60HZ 400V

    VOLTAGE RELAY, 2 CHANGEOVER CONTACTS, 400 VAC, 0.5-10 SECOND, CLOSED CIRCUIT OPERATION, WITH TIME DELAY
    ✓ IN STOCK!
    $944.00 Buy Surplus As Low As $408.00
    $408.00
    Repair Yours $336.00
    DOLD IL5880.12 AC50-400HZ 220-240V

    DOLD

    IL5880.12 AC50-400HZ 220-240V

    IL5880.12 AC50-400HZ 220-240V
    ✓ IN STOCK!
    $160.56 Buy Surplus As Low As $122.02
    $122.02
    Repair Yours Contact Us
    DOLD IL9079.12/002 3AC240/415V,55-1,05UN

    DOLD

    IL9079.12/002 3AC240/415V,55-1,05UN

    UNDERVOLTAGE RELAY, 3 PHASE, 240/415 VAC, 50/60 HZ, 0.55-1.05 UN RESET VALUE, 0.2-2 SECONDS OPERATE DELAY, DIN RAIL MOUNT, (0052966)
    ✓ IN STOCK!
    $328.43 Buy Surplus As Low As $217.16
    $217.16
    Repair Yours $268.10
    DOLD MK9056.12 AC50/60HZ 380-500V

    DOLD

    MK9056.12 AC50/60HZ 380-500V

    PHASE MONITORING RELAY, 3 PHASE, DPDT, 380-500 VAC, 50/60 HZ, 230 VAC SWITCHING, DIN RAIL MOUNT, (0028411)
    ✓ IN STOCK!
    $171.00 Buy Surplus As Low As $103.00
    $103.00
    Repair Yours Contact Us
    WESTINGHOUSE 1096950

    WESTINGHOUSE

    1096950

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $297.00
    $297.00
    Repair Yours $200.00
    GENERAL ELECTRIC NGV13B29A

    GENERAL ELECTRIC

    NGV13B29A

    AC UNDER VOLTAGE RELAY, TYPE NGV, 120V/50-60HZ, 80-120V DROPOUT CALIBRATION, 2.0 AMP
    ✓ IN STOCK!
    $2,317.50 Buy Surplus As Low As $1,390.50
    $1,390.50
    Repair Yours $1,283.00
    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 $369.24
    $369.24
    Repair Yours $306.47
    ASEA BROWN BOVERI 609300K02

    ASEA BROWN BOVERI

    609300K02

    PHASE SENSOR, 600A BREAKING RATE, K800
    ✓ IN STOCK!
    $570.00 Buy Surplus As Low As $342.00
    $342.00
    Repair Yours $284.00
    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 $410.00
    $410.00
    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
    S&C ELECTRIC 3700R3

    S&C ELECTRIC

    3700R3

    FUSE PARTS AND ACCESSORIES, LIVE PARTS & END FITTINGS, SMD-1A, 34.5KV TO 69KV, 200E RATING, FUSE PARTS AND ACCESSORIES
    ✓ IN STOCK!
    $6,028.00 Buy Surplus As Low As $3,617.00
    $3,617.00
    Repair Yours $3,003.00
    S&C ELECTRIC 800600R2

    S&C ELECTRIC

    800600R2

    FUSE, MEDIUM VOLTAGE FUSE, FAULT FITER, AIC RATING 40KA@4.16KV, MIN AMP600, SPECIAL CONNECTION, 4160 VOLTAGE
    ✓ IN STOCK!
    $2,666.67 Buy Surplus As Low As $1,600.00
    $1,600.00
    Repair Yours $1,328.00
    S&C ELECTRIC MF186706R1

    S&C ELECTRIC

    MF186706R1

    POWER FUSE, SMD-1A FUSE MOUNTING, 200E RATED, 69KV VOLTAGE,VERTICAL 180-DEGREE OPENING, OUTDOOR
    ✓ IN STOCK!
    $5,820.00 Buy Surplus As Low As $3,492.00
    $3,492.00
    Repair Yours $2,899.00
    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 $648.00
    $648.00
    Repair Yours $537.84
    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 $648.00
    $648.00
    Repair Yours $537.84
    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 $86.40
    $86.40
    Repair Yours Contact Us
    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 $1,086.84
    $1,086.84
    Repair Yours $996.00
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