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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 301-350 of 436.
    SCHWEITZER ENGINEERING 0501203X561BXB

    SCHWEITZER ENGINEERING

    0501203X561BXB

    (SEL-501-2), RELAY, OVER-CURRENT, 48/125V, 50/60HZ, 5.5W
    ✓ IN STOCK!
    $1,790.00 Buy Surplus As Low As $760.75
    $760.75
    Repair Yours $631.42
    OMRON G2RL-1A-E-CN DC12

    OMRON

    G2RL-1A-E-CN DC12

    RELAY
    ✓ IN STOCK!
    $5.00 Buy Surplus As Low As $3.00
    $3.00
    TELEDYNE C76AO1

    TELEDYNE

    C76AO1

    RELAY
    ✓ IN STOCK!
    $12.00 Buy Surplus As Low As $7.20
    $7.20
    ASEA BROWN BOVERI CM-SRS.22S

    ASEA BROWN BOVERI

    CM-SRS.22S

    CURRENT MONITORING RELAY, 24-240V AC/DC, 50/60 HZ, OVER- OR UNDERCURRENT MONITORING, SCREW TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    $370.00 Buy Surplus As Low As $222.00
    $222.00
    RADWELL RAD-PM-002

    RADWELL

    RAD-PM-002

    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!
    $180.00 Buy New $180.00
    $66.00
    Repair Yours $200.00
    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 $200.00
    RADWELL VERIFIED SUBSTITUTE PMDU-SUB

    RADWELL VERIFIED SUBSTITUTE

    PMDU-SUB

    SUBSTITUTE FOR MACROMATIC PMDU , 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!
    $125.00 Buy New $125.00
    Repair Yours $200.00
    INSTRUMENT TRANSFORMERS INC M-194-GF

    INSTRUMENT TRANSFORMERS INC

    M-194-GF

    GROUND FAULT SENSOR, 0-1000 A
    $298.00 Buy Surplus As Low As $179.00
    $179.00
    Repair Yours $200.00
    SCHWEITZER ENGINEERING SEL-751A-751A51A0X0X71850000

    SCHWEITZER ENGINEERING

    SEL-751A-751A51A0X0X71850000

    DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, MODEL SEL-751A, 20 W / 40 VA, 110-250 V, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $3,240.00
    $3,240.00
    Repair Yours $2,690.00
    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 $510.00
    $510.00
    Repair Yours $424.00
    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!
    $76.00 Buy New $76.00
    $46.00
    TELE CONTROLS E1PF480Y/277VSY10

    TELE CONTROLS

    E1PF480Y/277VSY10

    PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE, ADJUSTABLE TRIPPING DELAY
    ✓ IN STOCK!
    $102.00 Buy New $102.00
    $62.00
    TELE CONTROLS E1UM230V01

    TELE CONTROLS

    E1UM230V01

    VOLTAGE PROTECTION MONITORING RELAY, 1-PH, 24V AC, 24V DC, 230V AC RANGES, MULTIFUNCTION, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE THRESHOLDS, POWER SUPPLY PROTECTOR
    ✓ IN STOCK!
    $118.00 Buy New $118.00
    $71.00
    TELE CONTROLS G2CU400V10AL10

    TELE CONTROLS

    G2CU400V10AL10

    POWER FACTOR MONITORING RELAY, PUMP SAVER PUMP MONITORING RELAY, 1- OR 3-PH, 400V AC, 10A DIRECT OR VIA CTS, POWER FACTOR MEASUREMENT, UNDER LOAD MONITORING, LED INDICATION, 2 CO, DPDT RELAY ...
    ✓ IN STOCK!
    $288.00 Buy New $288.00
    $173.00
    Repair Yours $200.00
    TELE CONTROLS S6XM50A1000VM

    TELE CONTROLS

    S6XM50A1000VM

    POWER METER, 1-PH, TO 50A AND 1000V AC/DC, MODBUS RTU / RS485 INTERFACE, DIN RAIL MOUNT, HORIZONTAL OR VERTICAL, LED INDICATOR, BUILT IN CURRENT SENSOR
    ✓ IN STOCK!
    $330.00 Buy New $330.00
    $198.00
    Repair Yours $200.00
    DESCO 19662

    DESCO

    19662

    DUAL-WIRE DUAL OPERATOR MONITOR; PRODUCT TYPE:WORKSTATION MONITOR FOR 2 OPERATOR AND 2 WORK SURFACE; PRODUCT RANGE:- ROHS COMPLIANT: YES
    $475.00 Buy Surplus As Low As $285.00
    $285.00
    Repair Yours $237.00
    ASEA BROWN BOVERI SPAJ 135 C-AA

    ASEA BROWN BOVERI

    ABB ROBOTICS

    SPAJ 135 C-AA

    DISCONTINUED BY MANUFACTURER, COMBINED OVERCURRENT AND EARTH-FAULT RELAY, 80...265 VAC, 50/60 HZ, SCREW TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As $1,064.00
    $1,064.00
    Repair Yours $600.00
    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 $507.00
    $507.00
    Repair Yours $421.00
    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!
    $5,854.00 Buy Surplus As Low As $3,513.00
    $3,513.00
    Repair Yours $2,916.00
    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!
    $5,651.00 Buy Surplus As Low As $3,391.00
    $3,391.00
    Repair Yours $2,815.00
    ELECTROMAGNETIC INDUSTRIES GFM262

    ELECTROMAGNETIC INDUSTRIES

    GFM262

    RELAY / GROUND FAULT, CLASS 1, 10 AMP, 250 VOLT AC, 50/60 HZ, SCREW TERMINALS
    ✓ IN STOCK!
    $482.00 Buy Surplus As Low As $290.00
    $290.00
    Repair Yours $241.00
    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!
    $278.00 Buy Surplus As Low As $167.00
    $167.00
    Repair Yours $200.00
    ICM ICM401A

    ICM

    ICM401A

    MONITOR, 3PH, UNIVERSAL, 190-600VAC
    ✓ IN STOCK!
    $64.00 Buy Surplus As Low As $39.00
    $39.00
    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!
    $411.00 Buy Surplus As Low As $247.00
    $247.00
    Repair Yours $206.00
    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 $418.00
    $418.00
    Repair Yours $274.00
    LITTELFUSE 460-575

    LITTELFUSE

    460-575

    PHASE RELAY, SPDT, 475-600V, DIN RAIL; PRODUCT RANGE:460 SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:DIN RAIL, PANEL; RELAY TERMINALS:SCREW; SWITCHING VOLTAGE MAX ...
    ✓ IN STOCK!
    $196.00 Buy Surplus As Low As $118.00
    $118.00
    Repair Yours $200.00
    SIEMENS 3RS1800-2HW00

    SIEMENS

    3RS1800-2HW00

    COUPLING RELAY, 1-3 AMP, 24-240 VAC/DC, 3 C/O CONTACTS, SPRING TERMINAL TYPE, -25 TO 60 DEGREE C, IP20, SUCCESSOR: 3RQ2000-2CW00
    $164.00 Buy Surplus As Low As $99.00
    $99.00
    SIEMENS 3UG4632-1AW30

    SIEMENS

    3UG4632-1AW30

    DIGITAL MONITORING RELAY, VOLTAGE MONITORING, 22.5 MM, 10 TO 600 VAC/DC, OVERSHOOT AND UNDERSHOOT, 24 TO 240 VAC/DC, 50/60 HZ, 1 CHANGE-OVER CONTACT, SCREW TERMINAL
    $252.00 Buy Surplus As Low As $152.00
    $152.00
    Repair Yours $200.00
    WESTINGHOUSE 1293C47G04

    WESTINGHOUSE

    1293C47G04

    DISCONTINUED BY MANUFACTURER, RELAY, GROUND-FAULT SENSOR, 120 VAC, 50/60 HZ, 125 AMP, ADJUSTABLE PICKUP, SCREW TERMINALS
    Buy Surplus As Low As $1,440.00
    $1,440.00
    Repair Yours $899.00
    ASEA BROWN BOVERI 1SVR550801R9300

    ASEA BROWN BOVERI

    1SVR550801R9300

    (PRICE/EA) CM-MSE THERMISTOR PROTEC. 220V 1N/O ROHS COMPLIANT: YES
    $102.00 Buy Surplus As Low As $49.00
    $49.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR550882R9500

    ASEA BROWN BOVERI

    1SVR550882R9500

    PHASE MONITORING RELAY, WITH NO CONTACTS, 3 PHASE, 380 - 440 VAC, 1 N.O CONTACT, MONITORING OF NEUTRAL AT OPTION, WITHOUT PHASE SEQUENCE MONITORING
    $119.00 Buy Surplus As Low As $56.00
    $56.00
    Repair Yours $200.00
    EATON CORPORATION 1257C90G02

    EATON CORPORATION

    CUTLER HAMMER

    1257C90G02

    (PRICE/EA) CURRENT SENSOR 9.94 X 16.94 RECT.
    $3,871.00 Buy Surplus As Low As $2,323.00
    $2,323.00
    Repair Yours $1,929.00
    EATON CORPORATION EZ512-AB-RC

    EATON CORPORATION

    CUTLER HAMMER

    EZ512-AB-RC

    RELAY EZ-500 24VAC 12I/O 8IN 4OUT DIN RAIL MOUNT
    $223.00 Buy Surplus As Low As $134.00
    $134.00
    SIEMENS 3TX7117-5HF13C

    SIEMENS

    3TX7117-5HF13C

    PLUG-IN RELAY, SQUARE BASE 4PDT, 14 PIN, 15A, 120VAC
    ✓ IN STOCK!
    $37.00 Buy Surplus As Low As $23.00
    $23.00
    Repair Yours $200.00
    EATON CORPORATION GFR1200M

    EATON CORPORATION

    CUTLER HAMMER

    GFR1200M

    DISCONTINUED BY MANUFACTURER, RELAY, TYPE GFR, 100-1200A TRIP, MECHANICAL RESET, NO ZONE, NO REPLACEMENT
    Buy Surplus As Low As $5,698.00
    $5,698.00
    Repair Yours $4,730.00
    EATON CORPORATION GFR1200MI

    EATON CORPORATION

    CUTLER HAMMER

    GFR1200MI

    GFR MECHANICAL RESET WITH ZONE INTERLOCKING 100-1200 AMP
    $4,043.00 Buy Surplus As Low As $2,426.00
    $2,426.00
    Repair Yours $2,014.00
    ICM ICM401

    ICM

    ICM401

    DISCONTINUED BY MANUFACTURER, LINE MONITOR, UNIVERSAL 3 PHASE INPUT, INPUT VOLTAGE: 190-600 V AC, 18-30 V AC CONTROL, RELAY, SPST OUTPUT, 10 AMP, 50 TO 60 HZ
    Buy Surplus As Low As $69.00
    $69.00
    EATON CORPORATION EZ512-AC-RCX-1

    EATON CORPORATION

    CUTLER HAMMER

    EZ512-AC-RCX-1

    RELAY PROGRAMABLE I/O 8 IN 4 OUT
    $128.00 Buy Surplus As Low As $76.00
    $76.00
    EATON CORPORATION ISGFREC2

    EATON CORPORATION

    CUTLER HAMMER

    ISGFREC2

    GROUND FAULT RECEPTACLES (NEED QTY. 2)
    $697.00 Buy Surplus As Low As $419.00
    $419.00
    Repair Yours $348.00
    EATON CORPORATION ISGFREC1

    EATON CORPORATION

    CUTLER HAMMER

    ISGFREC1

    GROUND FAULT RECEPTACLES
    $576.00 Buy Surplus As Low As $346.00
    $346.00
    Repair Yours $288.00
    EATON CORPORATION EASY620-DC-TE

    EATON CORPORATION

    KLOCKNER MOELLER

    EASY620-DC-TE

    EXPANSION MODULE, EASY PROGRAMMABLE RELAY, 24 VDC, 20 I/O EXPANSION, 12 DIGITAL INPUT, 8 RELAY OUTPUT, SCREW TYPE TERMINALS, DIN RAIL MOUNT, -25 TO +55 DEGREES C, (212313)
    $311.00 Buy Surplus As Low As $187.00
    $187.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730885R1300

    ASEA BROWN BOVERI

    1SVR730885R1300

    (PRICE/EA) CM-MPS.11S THREE-PHASE MON.
    $384.00 Buy Surplus As Low As $199.00
    $199.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730885R4300

    ASEA BROWN BOVERI

    1SVR730885R4300

    (PRICE/EA) CM-MPS.23S THREE-PHASE MON.
    $460.00 Buy Surplus As Low As $228.00
    $228.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730784R2300

    ASEA BROWN BOVERI

    1SVR730784R2300

    (PRICE/EA) CM-PSS.31S THREE-PHASE MON.
    $291.00 Buy Surplus As Low As $146.00
    $146.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730841R1300

    ASEA BROWN BOVERI

    1SVR730841R1300

    (PRICE/EA) CM-SRS.12S CURRENT MON. RELAY
    $285.00 Buy Surplus As Low As $171.00
    $171.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730884R1300

    ASEA BROWN BOVERI

    1SVR730884R1300

    VOLTAGE MONITORING RELAY WITH 2 CO, SPDT CONTACTS, 3-PHASE, 160 TO 300 VAC
    $550.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $274.00
    ASEA BROWN BOVERI 1SVR730831R1300

    ASEA BROWN BOVERI

    1SVR730831R1300

    VOLTAGE MONITORING RELAY, 220-240 VAC, 1 C/O (SPDT) CONTACT, SCREW TERMINALS, 10 MA, TERMINALS IP20, HOUSING IP50, (CM-ESS.1S), REPLACES 1SVR430831R1300
    $285.00 Buy Surplus As Low As $147.00
    $147.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740750R0400

    ASEA BROWN BOVERI

    1SVR740750R0400

    (PRICE/EA) VOLTAGE MONITOR RELAY, DPDT, 4A, 230VAC; PRODUCT RANGE:CM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:4A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:230V; RELAY TERMINAL ...
    $310.00 Buy Surplus As Low As $156.00
    $156.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740774R1300

    ASEA BROWN BOVERI

    1SVR740774R1300

    (PRICE/EA) CM-PAS.31P THREE-PHASE MON.
    $355.00 Buy Surplus As Low As $175.00
    $175.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740794R2300

    ASEA BROWN BOVERI

    1SVR740794R2300

    (PRICE/EA) CM-PVS.81P THREE-PHASE MON.
    $374.00 Buy Surplus As Low As $188.00
    $188.00
    Repair Yours $200.00
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