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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 351-400 of 436.
    ASEA BROWN BOVERI 1SVR730831R0300

    ASEA BROWN BOVERI

    1SVR730831R0300

    RELAY, OVER/UNDER VOLTAGE, RMS MONITORING
    $285.00 Buy Surplus As Low As $140.00
    $140.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740774R3300

    ASEA BROWN BOVERI

    1SVR740774R3300

    (PRICE/EA) PHASE MONITOR RELAY, 3PH, DPDT, 300-500V; PRODUCT RANGE:CM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:4A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREWLESS; SWITCHING VO ...
    $355.00 Buy Surplus As Low As $179.00
    $179.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740784R3300

    ASEA BROWN BOVERI

    1SVR740784R3300

    (PRICE/EA) PHASE MONITOR RELAY, 3PH, DPDT, 360-440V; PRODUCT RANGE:CM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:4A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREWLESS; SWITCHING VO ...
    $299.00 Buy Surplus As Low As $180.00
    $180.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740830R0500

    ASEA BROWN BOVERI

    1SVR740830R0500

    (PRICE/EA) CM-ESS.MP VOLTAGE MON. RELAY
    $411.00 Buy Surplus As Low As $207.00
    $207.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740831R0400

    ASEA BROWN BOVERI

    1SVR740831R0400

    (PRICE/EA) CM-ESS.2P VOLTAGE MON. RELAY
    $324.00 Buy Surplus As Low As $163.00
    $163.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740884R1300

    ASEA BROWN BOVERI

    1SVR740884R1300

    CM-MPS.31P THREE-PHASE MON.
    $567.00 Buy Surplus As Low As $341.00
    $341.00
    Repair Yours $284.00
    ASEA BROWN BOVERI 1SVR740885R4300

    ASEA BROWN BOVERI

    1SVR740885R4300

    (PRICE/EA) CM-MPS.23P THREE-PHASE MON.
    $473.00 Buy Surplus As Low As $238.00
    $238.00
    Repair Yours $200.00
    ASEA BROWN BOVERI DDA203A-40/0.03

    ASEA BROWN BOVERI

    DDA203A-40/0.03

    (PRICE/EA) DDA203 A-40/0,03 - RCD BLOCK
    $897.00 Buy Surplus As Low As $501.00
    $501.00
    Repair Yours $416.00
    SIEMENS 3TX71155FC03C

    SIEMENS

    3TX71155FC03C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 16A, 24VDC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4
    $47.00 Buy Surplus As Low As $29.00
    $29.00
    Repair Yours $200.00
    TIME MARK CORP C263SG

    TIME MARK CORP

    C263SG

    3-PHASE-MONITORS,480VAC, SIZE 6.06IN X 3.88IN X 2.08IN
    $161.00 Buy New $161.00
    $97.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SAJ929200R0120

    ASEA BROWN BOVERI

    1SAJ929200R0120

    (PRICE/EA) CEM11-FBP.120 EARTH LEAKAGE MON.
    $308.00 Buy Surplus As Low As $185.00
    $185.00
    Repair Yours $200.00
    GENERAL ELECTRIC 12IAV51D1A

    GENERAL ELECTRIC

    12IAV51D1A

    DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 199VAC, 60HZ
    Buy Surplus As Low As $1,800.00
    $1,800.00
    Repair Yours $1,494.00
    EATON CORPORATION 1293C47G04

    EATON CORPORATION

    CUTLER HAMMER

    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
    EATON CORPORATION C323PN12C5

    EATON CORPORATION

    CUTLER HAMMER

    C323PN12C5

    DISCONTINUED BY MANUFACTURER, RELAY / SOLID STATE RELAY
    Buy Surplus As Low As $771.00
    $771.00
    Repair Yours $640.00
    EATON CORPORATION 207247

    EATON CORPORATION

    CUTLER HAMMER

    207247

    T5B-4-15682/I4/SVB-SW[CAM SWTH] , 207247
    $393.00 Buy Surplus As Low As $236.00
    $236.00
    Repair Yours $200.00
    EATON CORPORATION D7PR41A-A3

    EATON CORPORATION

    CUTLER HAMMER

    D7PR41A-A3

    DISCONTINUED BY MANUFACTURER, 4 PDT RELAY, W LED, 120 VAC , 50/60 HZ
    Buy Surplus As Low As $33.00
    $33.00
    SIEMENS 3RR2443-1AA40

    SIEMENS

    3RR2443-1AA40

    CURRENT MONITORING RELAY FOR IO-LINK, CAN BE MOUNTED TO CONTACTOR, 3RT2, SIZE S2 APPARANT/ACTIVE CURRENT MONITORING 8-80 A, 20-400 HZ, 3-PHASE SUPPLY VOLTAGE 24 V DC 1 CHANGE-OVER CONTACT MO ...
    $1,153.00 Buy Surplus As Low As $692.00
    $692.00
    Repair Yours $575.00
    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
    MARSH BELLOFRAM PBE-230-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBE-230-ASE

    PHASE VOLTAGE MONITOR, PBE SERIES, DELTA CONNECTED, 3 PHASE, 275 VAC MAX, 185-240 VAC UNDER ADJUSTABLE RANGE, 208-265 VAC OVER ADJUSTABLE RANGE
    $906.00 Buy New $906.00
    $544.00
    Repair Yours $452.00
    EATON CORPORATION 179C708G06

    EATON CORPORATION

    CUTLER HAMMER

    179C708G06

    GROUND FAULT SENSOR RELAY 120VAC 0.03AMP OUTPUT
    $1,688.00 Buy Surplus As Low As $844.00
    $844.00
    Repair Yours $802.00
    CR MAGNETICS CR4395-EH-120-110-X-CD-ELR-R1

    CR MAGNETICS

    CR4395-EH-120-110-X-CD-ELR-R1

    CR4395 - AC CURRENT SENSING RELAY, SUPPLY VOLTAGE 120 VAC, TRIP RANGE - 1.0 TO 10 AAC, TRIP ON DELAY - NO DELAY, CALIBRATED DIAL, CRGFS-100 REMOTE CURRENT TRANSFORMER
    $182.00 Buy New $182.00
    $110.00
    CR MAGNETICS CR4395-LH-24D-330-X-CD-ELR-I

    CR MAGNETICS

    CR4395-LH-24D-330-X-CD-ELR-I

    CURRENT SENSING RELAY, AC RELAY, SOLID CORE INTERNAL CT, 50-400HZ FREQ RANGE, 24VDC +/- 10% POWER SUPPLY, OVERCURRENT DETECTION, LATCHING, NO TIME DELAY, 3-30AAC ADJUSTABLE TRIP RANGE, DPST ...
    $120.00 Buy New $120.00
    $72.00
    CR MAGNETICS CR5395-EL-24D-330-A-CD-ELR-I

    CR MAGNETICS

    CR5395-EL-24D-330-A-CD-ELR-I

    DC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, DC FREQ ONLY, 24 VDC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, 0.5 - 6 SECOND ADJUSTABLE TIME DELAY, 3 - 30 ADC ADJUSTABLE ...
    $135.00 Buy New $135.00
    $81.00
    Repair Yours $200.00
    CR MAGNETICS CR5395-EH-24D-330-X-CD-ELR-I

    CR MAGNETICS

    CR5395-EH-24D-330-X-CD-ELR-I

    CR5395 - DC CURRENT SENSING RELAY, SUPPLY VOLTAGE 24 VDC, TRIP RANGE - 3.0 TO 30 AAC, TRIP ON DELAY - NO DELAY, CALIBRATED DIAL, INTERNAL TRANSFORMER
    $135.00 Buy New $135.00
    $81.00
    CR MAGNETICS CR5395-EH-24D-110-X-CD-ELR-I

    CR MAGNETICS

    CR5395-EH-24D-110-X-CD-ELR-I

    RELAY, CURRENT SENSING RELAY, SUPPLY VOLTAGE 24 VDC, TRIP RANGE - 1.0 TO 10 AAC, TRIP ON DELAY - NO DELAY, CALIBRATED DIAL, INTERNAL TRANSFORMER
    $135.00 Buy New $135.00
    $81.00
    PENTAIR SW121202UK-001

    PENTAIR

    WESTLOCK

    SW121202UK-001

    MECHANICAL SWITCH, SINGLE LEVER ACTUATION, 10 AMP, SPDT, SILVER PLATED, IP65, WIRE HARNESS, TOP
    $89.00 Buy Surplus As Low As $54.00
    $54.00
    BENDER ISO685-D-B

    BENDER

    ISO685-D-B

    GROUND-FAULT DETECTOR FOR UNGROUNDED AC/DC SYSTEMS, INCLUDING SYSTEMS WITH DRIVES, POWER CONVERSTION AND COUPLER SYSTEMS
    $4,511.00 Buy Surplus As Low As $2,707.00
    $2,707.00
    Repair Yours $2,247.00
    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
    GENERAL ELECTRIC 12IAV13A1R

    GENERAL ELECTRIC

    12IAV13A1R

    DISCONTINUED BY MANUFACTURER, UNDERVOLTAGE RELAY, 115 VOLT, 60 CYCLES, CLOS.LT 93, CLOS. RT 88,
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $897.00
    GENERAL ELECTRIC G60H00HPHF8FH6DM8FP6DU6CW6L

    GENERAL ELECTRIC

    MULTILIN

    G60H00HPHF8FH6DM8FP6DU6CW6L

    DISCONTINUED BY MANUFACTURER, G60 GENERATOR MANAGEMENT RELAY, UR SERIES, CONTACT INPUT / 10 MA MAX / 300 V, CONTROL POWER / 0.7 AMP - 125-250 V / 0.7 AMP -100-240 V - 50/60 HZ
    Buy Surplus As Low As $1,210.00
    $1,210.00
    Repair Yours $1,005.00
    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
    ASEA BROWN BOVERI 1SVR740794R3300

    ASEA BROWN BOVERI

    1SVR740794R3300

    (PRICE/EA) PHASE MONITOR RELAY, 3PH, DPDT, 300-500V; PRODUCT RANGE:CM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:4A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREWLESS; SWITCHING VO ...
    $374.00 Buy Surplus As Low As $194.00
    $194.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR740830R0300

    ASEA BROWN BOVERI

    1SVR740830R0300

    (PRICE/EA) CM-ESS.1P VOLTAGE MON. RELAY
    $348.00 Buy Surplus As Low As $209.00
    $209.00
    Repair Yours $200.00
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