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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 849.
    LITTELFUSE PLM9405

    LITTELFUSE

    PLM9405

    PHASE RELAY, SPDT, 400-480V, SOCKET; PRODUCT RANGE:PLM SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MAX:24 ...
    ✓ IN STOCK!
    $296.00 Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 290B658A09

    ASEA BROWN BOVERI

    290B658A09

    DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, KD3, SINGLE PHASE, DISTANCE, 290B658R09
    ✓ IN STOCK!
    Buy Surplus As Low As $1,749.60
    $1,749.60
    Repair Yours $1,452.17
    ASEA BROWN BOVERI DLM011

    ASEA BROWN BOVERI

    SSAC

    DLM011

    DISCONTINUED BY MANUFACTURER, RELAY, VOLTAGE MONITOR, 600 VAC,10 AMP,3 PHASE ,TRIP DELAY:2-20 SECONDS, DIN RAIL MOUNT
    Buy Surplus As Low As $449.00
    $449.00
    Repair Yours $370.00
    ASEA BROWN BOVERI WVM611M

    ASEA BROWN BOVERI

    WVM611M

    ASEA BROWN BOVERI, WVM611M, VOLTAGE MONITOR 3 PHASE, 200-240VAC, 0.25-30SEC,
    ✓ IN STOCK!
    $169.11 Buy Surplus As Low As $128.52
    $128.52
    Repair Yours Contact Us
    ASEA BROWN BOVERI WVM911AL

    ASEA BROWN BOVERI

    SSAC

    WVM911AL

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3 PHASE, 400-480 VAC, 0.25-30 SEC TRIP DELAY, 0.25-64 SEC AUTO RESTART DELAY, 2-10% UNBALANCE, SELECTABLE AUTO/MANUAL RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $1,077.00
    $1,077.00
    Repair Yours $550.00
    ASEA BROWN BOVERI PHS120A20

    ASEA BROWN BOVERI

    SSAC

    PHS120A20

    SINGLE FUNCTION RELAYS & MONITORS, AC PHASE CONTROL
    ✓ IN STOCK!
    $76.84 Buy Surplus As Low As $58.40
    $58.40
    Repair Yours Contact Us
    ASEA BROWN BOVERI PLM6405

    ASEA BROWN BOVERI

    SSAC

    PLM6405

    MOTOR PROTECTOR, VOLTAGE MONITOR, 3 PHASE, INPUT: 200-240 VAC / 60 HZ, 8 AMPS RES @ 240 VAC, 8 PIN
    ✓ IN STOCK!
    $235.00 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $200.00
    ASEA BROWN BOVERI PLM6802

    ASEA BROWN BOVERI

    PLM6802

    3 PHASE LINE MONITOR, 240VAC, 60HZ
    ✓ IN STOCK!
    $195.95 Buy Surplus As Low As $148.92
    $148.92
    ASEA BROWN BOVERI PLM8405

    ASEA BROWN BOVERI

    SSAC

    PLM8405

    SINGLE FUNCTION RELAYS & MONITORS, 3 PHASE LINE MONITOR
    ✓ IN STOCK!
    $235.00 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $200.00
    ASEA BROWN BOVERI PLM9405

    ASEA BROWN BOVERI

    SSAC

    PLM9405

    VOLTAGE MONITOR, 3 PHASE, 400-480 VAC, 50/100 HZ, PHASE MONITOR, W/ BASE, 8 PIN, ELECTROMECHANICAL RELAY, AUTOMATIC RESET TIME
    ✓ IN STOCK!
    $235.00 Buy Surplus As Low As $169.00
    $169.00
    LARCO 5000EX

    LARCO

    5000EX

    DISCONTINUED BY MANUFACTURER, ZONE MONITOR WALL MOUNT 120/240VAC 50/60HZ .125AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $489.00 $241.80
    $489.00 $241.80
    Repair Yours $402.00
    ASEA BROWN BOVERI K6NCT-600

    ASEA BROWN BOVERI

    K6NCT-600

    NEUTRAL GND FAULT SENSOR 600A
    ✓ IN STOCK!
    $809.00 Buy Surplus As Low As $486.00
    $486.00
    Repair Yours $404.00
    EATON CORPORATION GFR60E

    EATON CORPORATION

    CUTLER HAMMER

    GFR60E

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, ELECTRICAL RESET, NO ZONE
    ✓ IN STOCK!
    $5,653.00 Buy Surplus As Low As $4,297.00
    $4,297.00
    Repair Yours $1,914.65
    EATON CORPORATION GFR60EI

    EATON CORPORATION

    CUTLER HAMMER

    GFR60EI

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, ELECTRICAL RESET, WITH ZONE
    ✓ IN STOCK!
    $6,325.00 Buy Surplus As Low As $3,795.00
    $3,795.00
    Repair Yours $3,150.00
    SIEMENS 3TX7114-5DF13C

    SIEMENS

    3TX7114-5DF13C

    PLUG-IN RELAY, DPDT, 15A, 120VAC, N79, CONTROLS - PLUG-IN RELAY 3TX71
    ✓ IN STOCK!
    $30.46 Buy Surplus As Low As $19.00
    $19.00
    Repair Yours Contact Us
    SIEMENS 3TX7116-5FC03C

    SIEMENS

    3TX7116-5FC03C

    PLUG-IN RELAY, BASIC 11-PIN, SQUARE BASE, 3PDT, 15A, 24VDC, USES SOCKET 3TX7144-4E8
    ✓ IN STOCK!
    $32.00 Buy Surplus As Low As $20.00
    $20.00
    Repair Yours Contact Us
    SIEMENS 3TX7117-5HF13C

    SIEMENS

    3TX7117-5HF13C

    PLUG-IN RELAY, SQUARE BASE 4PDT, 14 PIN, 15A, 120VAC
    ✓ IN STOCK!
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    Repair Yours Contact Us
    WESTINGHOUSE BE15127R

    WESTINGHOUSE

    BE15127R

    DISCONTINUED BY MANUFACTURER, RELAY TIMER, OVERCURRENT, W/VOLTAGE RESTRAINT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,273.00
    $2,273.00
    Repair Yours $1,900.00
    ICM ICM450

    ICM

    ICM450

    DISCONTINUED BY MANUFACTURER, DIGITAL VOLTAGE MONITOR, 3 PHASE, LINE VOLTAGE, 190 TO 630 VAC, 50/60 HZ, FULLY PROGRAMMABLE, 25 FAULT MEMORY, 18-240 CONTROL VAC, REPLACED BY ICM450A
    ✓ IN STOCK!
    Buy Surplus As Low As $222.00
    $222.00
    Repair Yours $220.00
    SCHWEITZER ENGINEERING SEL-321-1-R426

    SCHWEITZER ENGINEERING

    SEL-321-1-R426

    85-264 VAC, 50/60 HZ, 25 WATTS MAX, LOGIC INPUT 125 VDC 5 AMPS, PHASE GROUND DISTANCE, DIRECTIONAL RELAY
    ✓ IN STOCK!
    $1,424.88 Buy Surplus As Low As $854.93
    $854.93
    Repair Yours $709.59
    RADWELL VERIFIED SUBSTITUTE PMRU-1C-480A-SUB

    RADWELL VERIFIED SUBSTITUTE

    PMRU-1C-480A-SUB

    SUBSTITUTE FOR AUTOMATION DIRECT PMRU-1C-480A, PHASE MONITORING RELAY, SPDT, 480VAC; CONTACT CONFIGURATION:SPDT; PHASE TYPE:3 PHASE; POWER CONSUMPTION:3VA; SUPPLY VOLTAGE MAX:480V AC; SWITCH ...
    ✓ IN STOCK!
    $148.00 Buy New $148.00
    Repair Yours $200.00
    WESTINGHOUSE 289B432A15

    WESTINGHOUSE

    289B432A15

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, 2-6 AMP, 1 PHASE, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $326.40
    $326.40
    Repair Yours $270.91
    SCHWEITZER ENGINEERING 0501203X561BXB

    SCHWEITZER ENGINEERING

    0501203X561BXB

    (SEL-501-2), RELAY, OVER-CURRENT, 48/125V, 50/60HZ, 5.5W
    ✓ IN STOCK!
    $1,288.80 Buy Surplus As Low As $773.28
    $773.28
    Repair Yours $641.82
    OMRON SDV-B-6

    OMRON

    SDV-B-6

    VOLTAGE SENSOR, 110VAC, 8PIN, 4-10V PICK UP, 70-95% OF PICK UP DROP OUT
    ✓ IN STOCK!
    $234.72 Buy Surplus As Low As $140.83
    $140.83
    Repair Yours $200.00
    OMRON G2RL-1A-E-CN DC12

    OMRON

    G2RL-1A-E-CN DC12

    RELAY
    ✓ IN STOCK!
    $4.92 Buy Surplus As Low As $2.95
    $2.95
    MEGACON KCV234E

    MEGACON

    KCV234E

    SYNCRONISATION CONTROLLER 380/415VAC 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $265.48
    $265.48
    TELEDYNE C76AO1

    TELEDYNE

    C76AO1

    RELAY
    ✓ IN STOCK!
    $12.00 Buy Surplus As Low As $7.20
    $7.20
    MEGACON KCG592

    MEGACON

    KCG592

    DISCONTINUED BY MANUFACTURER, LOSS OF MAINS PROTECTION RELAY, INPUT: 100-120/200-240/380-415/440-460 VAC 40-70 HZ, SCREW CLAMP TERMINALS, OPERATING TEMPERATURE -20 TO 70 ºC, DIN-RAIL/SCREW M ...
    ✓ IN STOCK!
    Buy Surplus As Low As $309.66
    $309.66
    Repair Yours $268.10
    GOTRONIC 585109

    GOTRONIC

    585109

    POWER LINE MONITOR,480VAC,50/60HZ
    ✓ IN STOCK!
    $372.84 Buy Surplus As Low As $283.36
    $283.36
    Repair Yours $200.00
    GENERAL ELECTRIC 12PJC11Z3A

    GENERAL ELECTRIC

    12PJC11Z3A

    DISCONTINUED BY MANFUACTURER, INSTANTANEOUS CURRENT RELAY, TYPE PJC, 6 AMP, 25 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $669.60
    $669.60
    Repair Yours $555.77
    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!
    $396.00 Buy Surplus As Low As $238.00
    $238.00
    BROYCE CONTROL LPRT/2 400V

    BROYCE CONTROL

    LPRT/2 400V

    UNDER VOLTAGE MONITORING RELAY, 3 PHASE, 243-540 VAC, 48-63 HZ, 50 MS RESPONSE TIME, DPDT, DIN RAIL MOUNT
    ✓ IN STOCK!
    $104.00 Buy Surplus As Low As $80.00
    $80.00
    GIC MAC04D0100

    GIC

    MAC04D0100

    VOLTAGE MONITORING RELAY, DPDT, 415VAC; PRODUCT RANGE:SM 500 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:250V; RELAY TERMINALS:SCREW; ...
    ✓ IN STOCK!
    $78.00 Buy Surplus As Low As $47.00
    $47.00
    Repair Yours Contact Us
    SYMCOM 201-200-DPDT-60MS

    SYMCOM

    201-200-DPDT-60MS

    VOLTAGE MONIOR, 3-PHASE MOTOR PROTECTION, USED ON 120V OR 240V, 50/60HZ MOTORS TO PROTECT FROM DAMAGE CAUSED BY SINGLE PHASING, LOW VOLTAGE, PHASE REVERSAL, AND VOLTAGE UNBALANCE,
    ✓ IN STOCK!
    $93.79 Buy Surplus As Low As $71.28
    $71.28
    WESTINGHOUSE 670B233A26

    WESTINGHOUSE

    670B233A26

    RELAY, AUXILIARY, KA-4, 125VDC, NEGATIVE CLAMP, CS-27 CARRIER AND TYPE 19 AUDIOTONE,
    ✓ IN STOCK!
    $2,271.60 Buy Surplus As Low As $1,362.96
    $1,362.96
    Repair Yours $1,131.26
    KEYENCE CORP RF-500

    KEYENCE CORP

    RF-500

    LASER SCANNER, W BREAKAGE, DC 5 V, CLASS 2, 12 PIN ROUND CONNECTION,
    ✓ IN STOCK!
    $577.28 Buy Surplus As Low As $346.37
    $346.37
    Repair Yours $287.49
    BENDER RCM470LY

    BENDER

    RCM470LY

    DISCONTINUED BY MANUFACTURER, RESIDUAL CURRENT MONITOR, 230 VAC SUPPLY, 40-400 HZ, 0-10 SECOND RESPONSE DELAY +/- 20%, 180 OHM CIRCUIT RESISTANCE, -10 TO +55 DEGREE C OPERATING TEMPERATURE, ...
    ✓ IN STOCK!
    Buy Surplus As Low As $576.00
    $576.00
    Repair Yours $474.00
    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 $1,701.00
    $1,701.00
    Repair Yours $1,600.00
    INVENSYS P0927AG

    INVENSYS

    FOXBORO

    P0927AG

    DISCONTINUED BY MANUFACTURER, CONTROL VOLTAGE MONITOR, I/O MONITOR, 32 X CHANNELS, 16 X DIGITAL INPUTS, 16 X DIGITAL OUTPUTS, OPERATING TEMPERATURE: -20 TO 70 C, RELATIVE HUMIDITY: 5 TO 95% ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,515.00
    $1,515.00
    Repair Yours $1,245.00
    STRUTHERS DUNN RELAYS A214XBX170

    STRUTHERS DUNN RELAYS

    A214XBX170

    GENERAL PURPOSE, GROUND FAULT INTERRUPT (GFI) RELAY, 115 VAC, 50 HZ8 PIN
    ✓ IN STOCK!
    $172.80 Buy New $172.80
    $103.68
    Repair Yours $200.00
    SCHWEITZER ENGINEERING SEL-321-321124256HGB354

    SCHWEITZER ENGINEERING

    SEL-321-321124256HGB354

    RELAY, PHASE AND GROUND DISTANCE, DIRECTION OVERCURRENT RELAY, FAULT LOCATOR, ELECTROMECHANICAL, 4 ZONE
    ✓ IN STOCK!
    $4,006.80 Buy Surplus As Low As $2,404.08
    $2,404.08
    Repair Yours $1,995.39
    CR MAGNETICS CR7310-EH-24D-110-X-CD-ELR-R CRGFS-100

    CR MAGNETICS

    CR7310-EH-24D-110-X-CD-ELR-R CRGFS-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT SENSOR WITH CRGFS-100, SUPPLY: 24+/-10% VDC, TRIP RANGE: 1.0-10A, TIME DELAY: NONE, TRIP STATUS: ENER. HIGH, OUTPUT TYPE: RELAY, N.O. 20A N.C. 10A
    ✓ IN STOCK!
    Buy Surplus As Low As $114.24
    $114.24
    ALLEN BRADLEY 809-A20

    ALLEN BRADLEY

    809-A20

    INSTANTANEOUS TRIP CURRENT RELAY, 130AMP, NEMA OPEN, 1RP,
    ✓ IN STOCK!
    Buy Surplus As Low As $2,858.25
    $2,858.25
    ALLEN BRADLEY 809-B24

    ALLEN BRADLEY

    809-B24

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY, INSTANTANEOUS TRIP, 210 AMP, 600 VAC, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $3,408.00
    $3,408.00
    Repair Yours $2,828.64
    RADWELL RAD-PM-003

    RADWELL

    RAD-PM-003

    PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    $114.00 Buy New $114.00
    $61.52
    RADWELL VERIFIED SUBSTITUTE PLM9805-SUB

    RADWELL VERIFIED SUBSTITUTE

    PLM9805-SUB

    SUBSTITUTE FOR ASEA BROWN BOVERI SYMCOM PLM9805, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 480VAC, 10A, SPDT
    ✓ IN STOCK!
    $119.00 Buy New $119.00
    RADWELL VERIFIED SUBSTITUTE PLM6502-SUB

    RADWELL VERIFIED SUBSTITUTE

    PLM6502-SUB

    SUBSTITUTE FOR ASEA BROWN BOVERI SSAC PLM6502, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    $114.00 Buy New $114.00
    RADWELL VERIFIED SUBSTITUTE SLA-240-ASA-SUB

    RADWELL VERIFIED SUBSTITUTE

    SLA-240-ASA-SUB

    SUBSTITUTE FOR DIVERSIFIED ELECTRONICS SLA-240-ASA, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    $90.00 Buy New $90.00
    BENDER SUD487

    BENDER

    SUD487

    VOLTAGE RELAY, 230-400VAC, 50/60HZ, 12 VA, 10 KA, 3 LED'S (GREEN), IP00/IP30
    ✓ IN STOCK!
    $68.37 Buy Surplus As Low As $35.32
    $35.32
    TELE CONTROLS G2JM5AL20

    TELE CONTROLS

    G2JM5AL20

    CURRENT MONITORING RELAY, OVERLOAD, 3-PH, 5A AC/DC RANGE, MULTIFUNCTION, 2 CO, DPDT, LED INDICATORS, SUPPLY VOLTAGE VIA TR2 MODULES, FOR USE WITH 5A CURRENT TRANSFORMERS
    ✓ IN STOCK!
    $385.00 Buy New $385.00
    $255.00
    Repair Yours $200.00
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