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 751-800 of 845.
    BENDER B91067120

    BENDER

    B91067120

    ISOMETER, ISO685-S-B, AC 0-690V; 1-460HZ / DC 0-1000V NOMINAL SYSTEM VOLTAGE, C 24-240 V; 50-400 HZ /DC 24-240V SUPPLY VOLTAGE
    ✓ IN STOCK!
    $293.33 Buy Surplus As Low As $244.44
    $244.44
    Repair Yours $300.00
    EATON CORPORATION D64RPB6

    EATON CORPORATION

    CUTLER HAMMER

    D64RPB6

    RELAY, GROUND FAULT, 10MA-6.4 AMP RANGE, 24-250 AC/DC
    ✓ IN STOCK!
    $33.16 Buy Surplus As Low As $6.91
    $6.91
    ASEA BROWN BOVERI 412N0175

    ASEA BROWN BOVERI

    412N0175

    DISCONTINUED BY MANUFACTURER, UNDERVOLTAGE/PHASE SEQUENCE RELAY, TYPE 47H, INSTANTANEOUS, 3-PHASE, CONTROL VOLTAGE: 48/125 VDC, MEASURE: 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $161.99
    $161.99
    Repair Yours $300.00
    SCHWEITZER ENGINEERING SEL-710-071050E1ADD9XDD85A2C1

    SCHWEITZER ENGINEERING

    SEL-710-071050E1ADD9XDD85A2C1

    DISCONTINUED BY MANUFACTURER, MOTOR PROTECTION RELAY, SUPPLY RANGE:, 110-250 VDC, 110-240 VAC, 50/60HZ, POWER CONSUMPTION:, 50VA/25W
    ✓ IN STOCK!
    Buy Surplus As Low As $7,200.00
    $7,200.00
    Repair Yours $5,976.00
    MARS 32585

    MARS

    32585

    DISCONTINUED BY MANUFACTURER, AC CURRENT MONITOR, 24-240 VAC, RELAY AMP RATING 8 A, 5-20 AMP TRIP POINT ADJUSTABLE, TRIP DELAY ADJUSTABLE TO 50 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $63.82
    $63.82
    Repair Yours $300.00
    TIME MARK CORP A258B-440

    TIME MARK CORP

    A258B-440

    DISCONTINUED BY MANUFACTURER, POWER MONITOR RELAY, 3-PHASE MONITOR, 440-480 VAC, 50/60 HZ, 8-PIN, LED INDICATOR, MODEL 258
    ✓ IN STOCK!
    Buy Surplus As Low As $49.86
    $49.86
    Repair Yours $300.00
    ITI SPVRB-208

    ITI

    SPVRB-208

    PHASE VOLTAGE RELAY, MODEL SPVRB, 3-PHASE, 208 VAC, 60 HZ, 1-10 SECOND TIME DELAY TRIP, LED STATUS INDICATOR, 8% PHASE UNBALANCE, 1-10 SEC. ADJUSTABLE TRIP DELAY, DOOR OR PANEL MOUNTING, BI- ...
    ✓ IN STOCK!
    $2,303.17 Buy Surplus As Low As $831.67
    $831.67
    Repair Yours $690.29
    LITTELFUSE 355400

    LITTELFUSE

    355400

    3-PHASE VOLT MON/ 380-480V/ AD/ BOX
    ✓ IN STOCK!
    $466.99 Buy Surplus As Low As $308.22
    $308.22
    Repair Yours $300.00
    LITTELFUSE 35040026

    LITTELFUSE

    35040026

    3-PHASE VOLT MON/ 380-480V/ AD/ BOX
    ✓ IN STOCK!
    $370.50 Buy Surplus As Low As $222.30
    $222.30
    Repair Yours $300.00
    LITTELFUSE 201A-AU-OT

    LITTELFUSE

    201A-AU-OT

    3-PH PLUG-IN VM/190-480V/ADJ./ BOX
    ✓ IN STOCK!
    $223.07 Buy Surplus As Low As $133.84
    $133.84
    Repair Yours $300.00
    ITI SPVRB240

    ITI

    SPVRB240

    VOLTAGE SENSING RELAY, PHASE VOLTAGE RELAY, TRIP DELAY: 1-10 SEC, 240 VAC +/- 10%, 3 PHASE, 60 HZ, BI-COLORED LED STATUS INDICATOR, AUTOMATIC OR MANUAL MODE
    ✓ IN STOCK!
    $1,774.03 Buy Surplus As Low As $958.50
    $958.50
    Repair Yours $804.00
    MEGACON KCG598E 380-415V/220-240V/150-300V/3R/6O

    MEGACON

    KCG598E 380-415V/220-240V/150-300V/3R/6O

    LOSS OF MAINS PROTECTION RELAY, THREE PHASE, 4-WIRE, AUXILIARY VOLTAGE: 380-415 VAC (50/60 HZ), INPUT 1: 220-240 V, RANGE: 150-300 V, OUTPUT 1: 3 RELAY, OUTPUT 2: 6 OPTO, IP21
    ✓ IN STOCK!
    $1,621.00 Buy Surplus As Low As $1,232.00
    $1,232.00
    Repair Yours $808.00
    MINILEC VSP-1

    MINILEC

    VSP-1

    DISCONTINUED BY MANUFACTURER, PREVENTER, SINGLE PHASE, 415 V
    ✓ IN STOCK!
    Buy Surplus As Low As $164.85
    $164.85
    Repair Yours $300.00
    GENERAL ELECTRIC 12CEY51A2D

    GENERAL ELECTRIC

    12CEY51A2D

    DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, CEY TYPE, MHO, 5 AMP, 120 V, 0.2 / 2.0 TARGET SEAL IN AMP, 0.75-30 UNIT, 60 ANGLE SETTING
    ✓ IN STOCK!
    Buy Surplus As Low As $866.80
    $866.80
    Repair Yours $752.80
    SCHWEITZER ENGINEERING SEL-TPR-3TPR31000IRJ6

    SCHWEITZER ENGINEERING

    SEL-TPR-3TPR31000IRJ6

    DISCONTINUED BY MANUFACTURER, UNDERGROUND TEST POINT RESET FAULT INDICATOR, DIRECT REPLACEMENT SEL-TPR-TPR#8BMJ
    ✓ IN STOCK!
    Buy Surplus As Low As $107.12
    $107.12
    Repair Yours Contact Us
    TIME MARK CORP 2601-240VAC

    TIME MARK CORP

    2601-240VAC

    VOLTAGE FREQUENCY MONITOR, UNDER-VOLTAGE, 200-240VAC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    $164.00 Buy New $164.00
    $79.00
    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 $86.61
    $86.61
    Repair Yours $300.00
    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 $667.80
    $667.80
    Repair Yours $583.45
    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 $300.00
    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 $139.20
    $139.20
    Repair Yours $300.00
    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 $145.85
    $145.85
    Repair Yours $300.00
    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
    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 $92.15
    $92.15
    RADWELL VERIFIED SUBSTITUTE 252B-SUB

    RADWELL VERIFIED SUBSTITUTE

    252B-SUB

    SUBSTITUTE FOR TIME MARK CORP 252B, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    $94.00 Buy New $94.00
    SCHWEITZER ENGINEERING SEL-287V-287V02-45X6XHGB

    SCHWEITZER ENGINEERING

    SEL-287V-287V02-45X6XHGB

    RELAY, DIFFERENTIAL LEVEL, VOLTAGE CONTROLLER, FOR GROUNDED SHUNT CAPACITOR BANK PROTECTION
    ✓ IN STOCK!
    $2,156.88 Buy Surplus As Low As $1,048.24
    $1,048.24
    Repair Yours $861.42
    RHEINTACHO 5333.001

    RHEINTACHO

    5333.001

    SPEED MONITOR RELAY
    ✓ IN STOCK!
    $451.00 Buy Surplus As Low As $164.75
    $164.75
    Repair Yours $200.00
    YOKOGAWA YE/50-152111FASJ

    YOKOGAWA

    YE/50-152111FASJ

    DISCONTINUED BY MANUFACTURER, VOLTAGE GAUGE, 0-600 VDC, 3-1/3 INCH DIAL
    ✓ IN STOCK!
    Buy Surplus As Low As $143.60
    $143.60
    GENERAL ELECTRIC NGV19A2A

    GENERAL ELECTRIC

    NGV19A2A

    UNDER VOLTAGE RELAY, 125VDC, 208VAC 50/60HZ, 100-140VDC DROPOUT
    ✓ IN STOCK!
    $575.93 Buy Surplus As Low As $263.97
    $263.97
    Repair Yours $300.00
    RADWELL VERIFIED SUBSTITUTE DMLUBRAAA-SUB

    RADWELL VERIFIED SUBSTITUTE

    DMLUBRAAA-SUB

    SUBSTITUTE FOR SSAC DMLUBRAAA, PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $145.00 Buy New $145.00
    Repair Yours $300.00
    CEE HTG 7025

    CEE

    HTG 7025

    DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, SUGGESTED REPLACEMENT HDG7020
    ✓ IN STOCK!
    Buy Surplus As Low As $1,907.00
    $1,907.00
    Repair Yours $1,583.00
    TIME MARK CORP 2722

    TIME MARK CORP

    2722

    DISCONTINUED BY MANUFACTURER, CURRENT UNBALANCE DETECTOR, 30 CURRENT, INPUT VOLTAGE 100-130VAC, 140 VAC MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $207.04
    $207.04
    Repair Yours $300.00
    DOLD AN5969-AC50/60HZ-230V

    DOLD

    AN5969-AC50/60HZ-230V

    DISCONTINUED BY MANUFACTURER, FAULT ANNUNCIATOR, INFOMASTER, 10 POLE, W/ LED
    ✓ IN STOCK!
    Buy Surplus As Low As $706.40
    $706.40
    Repair Yours $595.00
    GOTRONIC 556100

    GOTRONIC

    556100

    POWER LINE MONITOR, THREE PHASE INPUT TERMINALS, 575 VAC, 50/60HZ, TIME DELAY 4-5 SECONDS, OUTPUT TERMINALS:10 AMP/120VAC/ 1/10 HORSEPOWER
    ✓ IN STOCK!
    $600.00 Buy Surplus As Low As $236.20
    $236.20
    Repair Yours $300.00
    GENERAL ELECTRIC IC2820D300B14

    GENERAL ELECTRIC

    IC2820D300B14

    DISCONTINUED BY MANUFACTURER, FIELD LOSS RELAY, 10 AMP, 600V MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $236.20
    $236.20
    Repair Yours $300.00
    MACROMATIC PMDU-E-102

    MACROMATIC

    PMDU-E-102

    CURRENT MONITOR RELAY, PMD SERIES, 190-500 VAC MONITORED, 24 VAC INPUT, 0.1-10 SEC TIME DELAY, 10 AMP @ 120VAC / 30VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $53.37
    $53.37
    Repair Yours $300.00
    SCHNEIDER ELECTRIC 8506-J01

    SCHNEIDER ELECTRIC

    SQUARE D

    8506-J01

    DISCONTINUED BY MANUFACTURER, REVERSE AND DEAD PHASE RELAY, DOUBLE THROW, 208-240 VAC COIL, 50/60 HZ, 3-PHASE, 10 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $65.61
    $65.61
    EATON CORPORATION D65VMP400

    EATON CORPORATION

    CUTLER HAMMER

    D65VMP400

    DISCONTINUED BY MANUFACTURER, VOLTAGE BAND RELAY, D65 SERIES, 400 VAC, 10 AMP, LED INDICATOR
    ✓ IN STOCK!
    Buy Surplus As Low As $13.75
    $13.75
    GENERAL ELECTRIC 12JBCG77K10A

    GENERAL ELECTRIC

    12JBCG77K10A

    DISCONTINUED BY MANUFACTURER, RELAY / GROUND DIRECTIONAL OVERCURRENT, TYPE JBC6, 5 AMP, 120 V, 60 CYCLES, OVERCURRENT / 0.5/2.0, INSTANTANEOUS OVERCURRENT / 4-16 AMP, DIRECTIONAL UNIT PICK-U ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,771.47
    $1,771.47
    Repair Yours $1,633.69
    HONEYWELL R447A 1076

    HONEYWELL

    R447A 1076

    DISCONTINUED BY MANUFACTURER, SWITCHING RELAY, 2 WIRE, 240 V, DPST @ 16A/SPST @ 22A, FULL LOAD
    ✓ IN STOCK!
    Buy Surplus As Low As $21.60
    $21.60
    Repair Yours $300.00
    TRAFOX VR-12US

    TRAFOX

    VR-12US

    DISCONTINUED BY MANUFACTURER, GROUND FAULT MONITOR, 110-120 VAC, 60 HZ, 2.5 VA
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00
    $90.00
    Repair Yours $300.00
    WESTINGHOUSE 1096950

    WESTINGHOUSE

    1096950

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $194.86
    $194.86
    Repair Yours $300.00
    DOLD MK9056.12 AC50/60HZ 380-500V

    DOLD

    MK9056.12 AC50/60HZ 380-500V

    DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, 3 PHASE, DPDT, 380-500 VAC, 50/60 HZ, 230 VAC SWITCHING, DIN RAIL MOUNT, (0028411)
    ✓ IN STOCK!
    Buy Surplus As Low As $103.00
    $103.00
    Repair Yours $300.00
    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!
    $5,737.30 Buy Surplus As Low As $1,793.88
    $1,793.88
    Repair Yours $1,759.07
    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
    Previous Next
    7 8 9 10 11 12 13 14 15 16 17