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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 601-650 of 845.
    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!
    $832.79 Buy Surplus As Low As $333.05
    $333.05
    Repair Yours $300.00
    AREVA MVAPM32D1AA2001A

    AREVA

    MVAPM32D1AA2001A

    DISCONTINUED BY MANUFACTURER, RELAY, GENERATOR PROTECTION, MVAPM SERIES, V X 1 / 110/125 VDC, V X 2 / 220/250 VDC, VN / 110 VAC, 50 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $89.22
    $89.22
    Repair Yours $300.00
    SIEMENS 3UG5461-1AA40

    SIEMENS

    3UG5461-1AA40

    DC LOAD MONITORING RELAY FOR PROFINET, MAX. 2X8 A / 1X16 A DC, MAX. 800 V WIDTH: 22.5 MM MONITORING FOR VIOLATION OF UPPER AND LOWER LIMIT OF CURRENT, VOLTAGE AND POWER; ENERGY CONSUMPTION C ...
    ✓ IN STOCK!
    $1,928.00 Buy Surplus As Low As $619.92
    $619.92
    Repair Yours $571.70
    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 $163.26
    $163.26
    Repair Yours $300.00
    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 $35.43
    $35.43
    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!
    $832.79 Buy Surplus As Low As $359.89
    $359.89
    Repair Yours $300.00
    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 $184.74
    $184.74
    Repair Yours $300.00
    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!
    $242.47 Buy New $242.47
    $154.67
    Repair Yours $300.00
    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!
    $754.41 Buy Surplus As Low As $327.40
    $327.40
    Repair Yours $300.00
    ELKO PRI-51/5A

    ELKO

    PRI-51/5A

    CURRENT MONITORING RELAY, 0.5-5 AMP, 24-240 VAC, 24 VDC, 50/60 HZ, 25 VA, 1.6 WATT, DIN RAIL MOUNT, IP40
    ✓ IN STOCK!
    $83.72 Buy Surplus As Low As $50.23
    $50.23
    GENERAL ELECTRIC 12HGA14AX1A

    GENERAL ELECTRIC

    12HGA14AX1A

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $161.40
    $161.40
    Repair Yours $300.00
    EATON CORPORATION 13535H111-2

    EATON CORPORATION

    CUTLER HAMMER

    13535H111-2

    AC TRANSFORMER RELAY, OPEN TYPE, 20/240 VAC, 50/60 HZ
    ✓ IN STOCK!
    $488.88 Buy Surplus As Low As $182.84
    $182.84
    RADWELL RAD-PM-004

    RADWELL

    RAD-PM-004

    PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 480VAC, 10A, SPDT
    ✓ IN STOCK!
    $131.00 Buy New $131.00
    $63.00
    H HORSTMANN 22010-04-600-A/4H

    H HORSTMANN

    22010-04-600-A/4H

    DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $27.39
    $27.39
    GENERAL ELECTRIC 3ARR8E2

    GENERAL ELECTRIC

    3ARR8E2

    MAGNETIC RELAY, AC SWITCHING, 240 COIL VOLTS, 50/60 HZ, DPST
    ✓ IN STOCK!
    $4.06 Buy Surplus As Low As $3.38
    $3.38
    WESTINGHOUSE 1545336-A

    WESTINGHOUSE

    1545336-A

    DISCONTINUED BY MANUFACTURER, RELAY, 120 VAC, 125 VDC, 60 CYCLE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,530.55
    $1,530.55
    Repair Yours $1,411.51
    HAYASHI WATCH-WORKS LA-150RX-P

    HAYASHI WATCH-WORKS

    LA-150RX-P

    DISCONTINUED BY MANUFACTURER, LIGHT SOURCE TRANSMISSION, WARNING LAMP LED'S
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $500.00
    LUTZE 722814

    LUTZE

    722814

    CONTROL, CPSB3-2400-24 , 3-PHASE 2400W, 24V, 100A
    ✓ IN STOCK!
    $3,141.67 Buy New $3,141.67
    $1,550.34
    Repair Yours $1,266.25
    GIC MJA3BK

    GIC

    MJA3BK

    PTC THERMISTOR RELAY, PD225 SERIES, 24 VAC/DC -20/+10%, 2 C/O CONFIGURATION, 2 VA POWER CONSUMPTION, -15 TO 60 DEGREE, IP20
    ✓ IN STOCK!
    $113.30 Buy Surplus As Low As $84.84
    $84.84
    ENDRESS & HAUSER CM42-IAA101EAE00

    ENDRESS & HAUSER

    CM42-IAA101EAE00

    TRANSMITTER LIQUID ANALYSIS MULTIPARAMETER, LOOP-POWERED. WORLDWIDE APPROVALS, HAZARDOUS AREAS DEVELOPED ACCORDING TO IEC 61508, PH/ORP, CONDUCTIVITY,OXYGEN (DO) DIGITAL SENSORS, MEMOSENS PR ...
    ✓ IN STOCK!
    $5,841.84 Buy Surplus As Low As $3,856.18
    $3,856.18
    Repair Yours $2,798.00
    CARLO GAVAZZI SJ-185-230-500V

    CARLO GAVAZZI

    ELECTROMATIC

    SJ-185-230-500V

    DISCONTINUED BY MANUFACTURER, VOLTAGE CONTROL, 230 VAC, 50/60 HZ, RANGE 100-500 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $152.00
    $152.00
    OMRON SDV-A-200V

    OMRON

    SDV-A-200V

    VOLTAGE SENSOR, 2 AMPS, 200 VOLTS (AC), 8 PIN CONNECTION
    ✓ IN STOCK!
    $256.21 Buy Surplus As Low As $114.98
    $114.98
    Repair Yours $300.00
    SIEMENS 3UF7111-1AA01-0

    SIEMENS

    3UF7111-1AA01-0

    CURRENT/VOLTAGE MEASURING MODULE, 3-40 AMP, 690 VAC, 50/60 HZ, 6KV, STRAIGHT THROUGH TRANSFORMER, SCREW TYPE TERMINAL, IP20
    ✓ IN STOCK!
    $838.00 Buy Surplus As Low As $637.00
    $637.00
    Repair Yours $439.00
    ASEA BROWN BOVERI 419B0042

    ASEA BROWN BOVERI

    419B0042

    DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, MODEL 87B, CIRCUIT SHIELD, HIGH IMPEDANCE, 125 VDC, 25/50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $2,098.19
    $2,098.19
    Repair Yours $980.00
    ASEA BROWN BOVERI DDA204A-63/0.03

    ASEA BROWN BOVERI

    DDA204A-63/0.03

    SENSOR, 63A, 7.6W, 4POLE, 230/400V, 30MA
    ✓ IN STOCK!
    $480.00 Buy Surplus As Low As $365.00
    $365.00
    CR MAGNETICS CR5395-LH-24D-110-C-CD-ELR-I

    CR MAGNETICS

    CR5395-LH-24D-110-C-CD-ELR-I

    CR5395 - DC CURRENT SENSING RELAY, SUPPLY VOLTAGE 24 VDC, TRIP RANGE - 1.0 TO 10 AAC, TRIP ON DELAY - .1 TO 1 SEC, CALIBRATED DIAL, INTERNAL TRANSFORMER
    ✓ IN STOCK!
    $160.59 Buy New $160.59
    $91.14
    Repair Yours Contact Us
    ASEA BROWN BOVERI 1SVR550881R9400

    ASEA BROWN BOVERI

    1SVR550881R9400

    (PRICE/EA) CM-PBE PHASE LOSS MONI. 3PH.+ N , 1SVR550881R9400
    ✓ IN STOCK!
    $131.00 Buy Surplus As Low As $100.00
    $100.00
    Repair Yours $300.00
    NK TECHNOLOGIES AG3-NOAC-24U-NF-TR3

    NK TECHNOLOGIES

    AG3-NOAC-24U-NF-TR3

    AC GROUND FAULT SENSORS, AG SERIES, SOLID STATE OUTPUT,SOLID-CORE,24U - 24 VAC/VDC POWERED, JUMPER SELECT 5, 10 OR 30 MA SETPOINT, NORMALLY DE-ENERGIZED, TOP TERMINALS, N.O. 1 A @ 240 VAC
    ✓ IN STOCK!
    $416.50 Buy Surplus As Low As $183.50
    $183.50
    Repair Yours $200.00
    MACROMATIC PCPU

    MACROMATIC

    PCPU

    MONITOR RELAY, 3-PHASE, 190-500VAC, 8 PIN SPDT, 10AMP, PHASE REVERSAL - FIXED TRIP
    ✓ IN STOCK!
    $108.95 Buy New $108.95
    $44.00
    BENDER RCMS460-D-2

    BENDER

    RCMS460-D-2

    MULTI-CHANNEL GROUND FAULT MONITOR, UP TO 12 SEPARATE CHANNELS, TRIP VALUE IS ADJUSTABLE FROM 6 MA TO 20 A, 70-276 VAC (42-460 HZ), 70-276 VDC, FOR DC AND MIXED AC/DC SYSTEMS, B94053002
    ✓ IN STOCK!
    $1,831.35 Buy Surplus As Low As $1,007.25
    $1,007.25
    Repair Yours $836.01
    BENDER RCMA420-D-1

    BENDER

    RCMA420-D-1

    GROUND-FAULT MONITOR, FOR GROUNDED AND HIGH-RESISTANCE, 10MA-500MA, RMS MEASURMENT VALUES
    ✓ IN STOCK!
    $1,521.47 Buy Surplus As Low As $441.82
    $441.82
    GENERAL ELECTRIC 12HFA53K92H

    GENERAL ELECTRIC

    12HFA53K92H

    RELAY, VOLTAGE OVERCURRENT, 250V
    ✓ IN STOCK!
    $700.00 Buy Surplus As Low As $420.00
    $420.00
    Repair Yours $349.00
    BOLTSWITCH INC PND-208

    BOLTSWITCH INC

    PND-208

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, LCD DISPLAY, 208 V, 3-PHASE, 30A CONTACT RATING, FIXED TIME DELAY: 1-1/2 SECONDS, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $114.70
    $114.70
    Repair Yours $300.00
    DEIF RMV-112D-DELTA-400VAC-NEL+NEL-24VDC

    DEIF

    RMV-112D-DELTA-400VAC-NEL+NEL-24VDC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 230/400V, MODULE: 400V, SUPPLY: 24 VDC, RELAY B: NOR. ENERGIZED + LATCH, RELAY C: NORM. ENERGIZED + LATCH, UNDERVOLTAG ...
    ✓ IN STOCK!
    $873.00 Buy Surplus As Low As $524.00
    $524.00
    Repair Yours $435.00
    GENERAL ELECTRIC CR120YC11BA31C

    GENERAL ELECTRIC

    CR120YC11BA31C

    DISCONTINUED BY MANUFACTURER, UNDERVOLTAGE RELAY, 1 PHASE, 208V, 60HZ, 10 A, 600 V MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $192.46
    $192.46
    Repair Yours $200.00
    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
    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
    GENERAL ELECTRIC 3S7505HK501A1

    GENERAL ELECTRIC

    3S7505HK501A1

    GROUND FAULT RELAY, 230 VAC, 10 AMP, 8-PIN
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $26.00
    $26.00
    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 $123.87
    $123.87
    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
    ASEA BROWN BOVERI 609300-K4

    ASEA BROWN BOVERI

    609300-K4

    CURRENT TRANSFORMER POWER SHIELD, 1600/2000 AMP
    ✓ IN STOCK!
    $352.49 Buy Surplus As Low As $141.00
    $141.00
    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
    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
    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
    RADWELL VERIFIED SUBSTITUTE D65VMLS480-SUB

    RADWELL VERIFIED SUBSTITUTE

    D65VMLS480-SUB

    SUBSTITUTE FOR EATON CORPORATION D65VMLS480, PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABL ...
    ✓ IN STOCK!
    $180.00 Buy New $180.00
    Repair Yours Contact Us
    GENERAL ELECTRIC 12CLPG12B3A

    GENERAL ELECTRIC

    12CLPG12B3A

    DISCONTINUED BY MANUFACTURER, CARRIER GROUND DIRECTIONAL RELAY, 120VAC, 5AMP, 60HZ, 125VDC, 1AMP, 1-4/2-8 OVERCURRENT AMP, TYPE CLPG12C
    ✓ IN STOCK!
    Buy Surplus As Low As $1,004.43
    $1,004.43
    Repair Yours $833.68
    CR MAGNETICS CR4395-EH-120-110-A-CD-ELR-I

    CR MAGNETICS

    CR4395-EH-120-110-A-CD-ELR-I

    AC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, 50 - 400 HZ FREQ RANGE, 120 VAC +/- 10% POWER SUPPLY, OVERCURRENT DETECTION, NON-LATCHING, 0.5 - 6 SECOND ADJUSTABLE TIME DELAY, 1 - 10 AAC ...
    ✓ IN STOCK!
    $126.00 Buy New $126.00
    $72.00
    Repair Yours Contact Us
    MACROMATIC VAKP240A

    MACROMATIC

    VAKP240A

    VOLTAGE MONITOR RELAY FOR 240 VAC, 10 AMP RELAY, DPDT, ADJ PICK UP AND DROP OUT, ADJ DROPOUT DELAY 0.1-10 SECONDS, PLUG-IN
    ✓ IN STOCK!
    $254.68 Buy New $254.68
    $152.81
    Repair Yours $300.00
    ASEA BROWN BOVERI 64418-1V

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418-1V

    RELAY
    ✓ IN STOCK!
    $2,018.75 Buy New $2,018.75
    $829.10
    Repair Yours $806.62
    MARSH BELLOFRAM GFD-100

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    GFD-100

    THREE PHASE GROUND FAULT DISPLAY, 208 - 600 VAC, TERMINAL STYLE - WIRE LEADS, 0 C - 55 C
    ✓ IN STOCK!
    $1,012.83 Buy New $1,012.83
    $607.70
    Repair Yours $304.00
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