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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 101-150 of 436.
    ASEA BROWN BOVERI 1SVR550871R9500

    ASEA BROWN BOVERI

    1SVR550871R9500

    (PRICE/EA) CM-PVE UNDER & OVERVOLT. 3PH.
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $98.00
    $98.00
    Repair Yours $200.00
    ASEA BROWN BOVERI OFM600

    ASEA BROWN BOVERI

    OFM600

    (PRICE/EA) FUSE MONITOR 380-600V
    ✓ IN STOCK!
    $388.00 Buy Surplus As Low As $295.00
    $295.00
    Repair Yours $200.00
    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
    $235.00 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $200.00
    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
    ASEA BROWN BOVERI PR111PALSI

    ASEA BROWN BOVERI

    PR111PALSI

    TRIP UNIT PR111/P-A LSI E1/E6
    ✓ IN STOCK!
    $3,788.00 Buy Surplus As Low As $2,273.00
    $2,273.00
    Repair Yours $1,887.00
    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 $3,652.45
    $3,652.45
    Repair Yours $2,252.29
    EATON CORPORATION GFR60EI

    EATON CORPORATION

    CUTLER HAMMER

    GFR60EI

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, ELECTRICAL RESET, WITH ZONE
    $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!
    $28.77 Buy Surplus As Low As $18.00
    $18.00
    Repair Yours $200.00
    CARLO GAVAZZI DPB01CM48

    CARLO GAVAZZI

    DPB01CM48

    8, PHASE MONITORING RELAY, SPDT, 480VAC, CONTACT CONFIGURATIONSPDT PHASE TYPE3 PHASE POWER CONSUMPTION13VA SUPPLY VOLTAGE MAX480VAC SWITCHING VOLTAGE MAX250
    ✓ IN STOCK!
    $187.00 Buy New $187.00
    $108.00
    Repair Yours $200.00
    CARLO GAVAZZI DPB71CM48

    CARLO GAVAZZI

    DPB71CM48

    480 VAC 3-PH OVER/UNDER VOLT. RLY
    ✓ IN STOCK!
    $694.00 Buy New $694.00
    $402.00
    Repair Yours $334.00
    CARLO GAVAZZI PPC01DM48

    CARLO GAVAZZI

    PPC01DM48

    MONITORING RELAY, PPC01 SERIES, 3-PHASE, 8 AMP @ 250 VAC, ENERGIZED HIGH/LOW, SPDT, 415 VAC, DELAY TIME: 0.1 SECOND - 30 SECOND, PLUG IN MOUNTING
    ✓ IN STOCK!
    $506.00 Buy New $506.00
    $385.00
    Repair Yours $253.00
    SIEMENS 3UG4614-2BR20

    SIEMENS

    3UG4614-2BR20

    DIGITAL MONITORING RELAY, ASYMMETRY 0-20%, PHASE SEQUENCE CAN BE ACTIVATED PHASE FAILURE 3 X, 160 TO 690 V 50 TO 60 HZ, AC UNDERVOLTAGE 160-690 V, HYSTERESIS 1-20 V, ON AND OFF DELAY 0-20 S, ...
    ✓ IN STOCK!
    $243.75 Buy Surplus As Low As $186.00
    $186.00
    Repair Yours $200.00
    EATON CORPORATION FP5200-10

    EATON CORPORATION

    CUTLER HAMMER

    FP5200-10

    FEEDER PROTECTION RELAY, FP-5000, INCOM COMMUNICATION PROTOCOL, 5 AMP CURRENT RANGE, 100-240 VAC/VDC, DRAWOUT PACKAGING, PHASE AND GROUND OVERCURRENT PROTECTION
    $13,076.00 Buy Surplus As Low As $7,846.00
    $7,846.00
    Repair Yours $6,513.00
    HUBBELL GFP15M

    HUBBELL

    KELLEMS

    GFP15M

    GFCI RECEPTACLE, POWER CORD, 5-15P/5-15R, 6 FEET, 120VAC
    $576.00 Buy Surplus As Low As $346.00
    $346.00
    Repair Yours $288.00
    INGERSOLL RAND RLY3369

    INGERSOLL RAND

    TRANE

    RLY3369

    START RELAY, 50A COIL,
    ✓ IN STOCK!
    $73.00 Buy Surplus As Low As $44.00
    $44.00
    Repair Yours $200.00
    INGERSOLL RAND RLY3697

    INGERSOLL RAND

    TRANE

    RLY3697

    35A SPST START RELAY
    $75.00 Buy Surplus As Low As $45.00
    $45.00
    Repair Yours $200.00
    GENERAL ELECTRIC 704169

    GENERAL ELECTRIC

    704169

    DISCONTINUED BY MANUFACTURER, DIFERENCIAL RD5 220V 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $630.00
    $630.00
    Repair Yours $540.00
    EATON CORPORATION D65VMLS480C

    EATON CORPORATION

    CUTLER HAMMER

    D65VMLS480C

    TRANSMISSION RELAY, 190-500V, SURFACE MOUNT, UNIVERSAL
    ✓ IN STOCK!
    $1,407.00 Buy Surplus As Low As $1,070.00
    $1,070.00
    Repair Yours $702.00
    SCHNEIDER ELECTRIC S48891

    SCHNEIDER ELECTRIC

    SQUARE D

    S48891

    GROUND FAULT INTERFACE MODULE, USED ON: ,M/P/R FRAME, NS630B, NS3200 ,ELECTRONIC TRIP CIRCUIT BREAKER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,928.00
    $1,928.00
    Repair Yours $1,350.00
    EDWARDS SIGNALING GFD

    EDWARDS SIGNALING

    GFD

    GROUND FAULT DETECTION MODULE. ONE REQUIRED FOR EVERY TWO 3-NSHM1/2S.
    $352.00 Buy New $352.00
    $212.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 3AUA0000139144

    ASEA BROWN BOVERI

    3AUA0000139144

    FAN KIT, ACH550, R4 & R6 FRAMES, NEMA 1, INCLUDES HEATSINK FAN, RETAINER
    ✓ IN STOCK!
    $432.00 Buy Surplus As Low As $260.00
    $260.00
    MARSH BELLOFRAM ARA-120-AFE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    ARA-120-AFE

    RELAY, ARA SERIES, ALTERNATING RELAY, SURFACE-MOUNT, TRIPLEXOR, 120 VAC, 10 AMP
    ✓ IN STOCK!
    $445.00 Buy New $445.00
    $267.00
    Repair Yours $222.00
    MARSH BELLOFRAM DPR175A

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    DPR175A

    PHASE MONITORING RELAY, SPDT, 170-290VAC; PRODUCT RANGE:-; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREW; SWITCHING VOLTAGE MAX:250VAC; SUPPL ...
    ✓ IN STOCK!
    $115.00 Buy New $115.00
    $88.00
    Repair Yours $200.00
    MARSH BELLOFRAM CMI-120-ASE-20

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMI-120-ASE-20

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMI MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC, 50/60 HZ, CURRENT TRIP POINTS - 4-20 AMP
    ✓ IN STOCK!
    $431.00 Buy New $431.00
    $259.00
    Repair Yours $214.97
    MARSH BELLOFRAM CMO-120-ASE-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMO-120-ASE-10

    OVERCURRENT MONITOR RELAY, CMO SERIES, 24-120 V AC/DC, 50/60 HZ, SURFACE MOUNT, 2-10 AMP ADJUSTABLE TRIP POINTS
    ✓ IN STOCK!
    $532.00 Buy New $532.00
    $320.00
    Repair Yours $266.00
    MARSH BELLOFRAM CMU-120-ASA-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMU-120-ASA-5

    UNDER CURRENT MONITOR, CMU SERIES, 120 VAC, PLUG-IN, 1 TO 5 AMP ADJUSTABLE CURRENT TRIP POINTS, 11 PIN
    ✓ IN STOCK!
    $376.00 Buy New $376.00
    $226.00
    Repair Yours $200.00
    MARSH BELLOFRAM CMB-120-AFA-1

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMB-120-AFA-1

    CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 1 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
    ✓ IN STOCK!
    $182.00 Buy New $182.00
    $110.00
    Repair Yours $200.00
    MARSH BELLOFRAM SLA-120-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-120-ALA

    PHASE SEQUENCE/LOSS MONITOR, 120V, LOCK SHAFT ADJUSTABLE, 11 PIN CIRCULAR BASE
    ✓ IN STOCK!
    $553.00 Buy New $553.00
    $332.00
    Repair Yours $276.00
    MARSH BELLOFRAM SLA-230-ALER

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-230-ALER

    PHASE MONITOR/RELAY, PHASE SEQUENCE/LOSS MONITOR, 230V, LOCK SHAFT ADJ, SURFACE MOUNT, MANUAL RESET
    ✓ IN STOCK!
    $762.00 Buy New $762.00
    $458.00
    Repair Yours $381.00
    MARSH BELLOFRAM SLA-230-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-230-ASA

    PHASE MONITOR, 190-270 VAC, 50/60 HZ, CONTACTS 10 AMP @ 240 VAC, RESISTIVE 345 VAC
    ✓ IN STOCK!
    $149.00 Buy New $149.00
    $117.23
    Repair Yours $200.00
    MARSH BELLOFRAM SLA-380-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-380-ASA

    PHASE, MONITOR, RELAY, 5AMPS, 120VAC
    ✓ IN STOCK!
    $544.00 Buy New $544.00
    $414.00
    Repair Yours $272.00
    MARSH BELLOFRAM SLA-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-440-ALE

    PHASE MONITORING/RELAY, PHASE SEQUENCE/LOSS MONITOR, 430-480 VAC, 3 PHASE SUPPLY
    ✓ IN STOCK!
    $354.00 Buy New $354.00
    $213.00
    Repair Yours $200.00
    MARSH BELLOFRAM SLA-480-AFE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-480-AFE

    PHASE VOLTAGE MONITOR, RELAY, SLA SERIES, 480 VAC, SURFACE MOUNTED
    ✓ IN STOCK!
    $762.00 Buy New $762.00
    $594.43
    Repair Yours $381.00
    MARSH BELLOFRAM SLD-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLD-440-ALE

    PHASE MONITORING RELAY, 440-480 VAC, DPDT, 3 AMP, 600 VAC, SCREW TERMINATION
    ✓ IN STOCK!
    $529.00 Buy New $529.00
    $318.00
    Repair Yours $264.00
    MARSH BELLOFRAM SLM-120-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLM-120-ASE

    PHASE MONITORS MICROPROCESSOR CONTROLLED
    ✓ IN STOCK!
    $810.00 Buy New $810.00
    $616.00
    Repair Yours $402.00
    MARSH BELLOFRAM SLM-230-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLM-230-ASE

    PHASE MONITOR, MICROPROCESSOR CONTROLLED, 200-250 VAC, CONTACTS: 10 AMP @ 240 VAC
    ✓ IN STOCK!
    $618.00 Buy New $618.00
    $371.00
    Repair Yours $308.00
    MARSH BELLOFRAM SLM-440-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLM-440-ASE

    PHASE MONITOR, TIME DELAY, 440-490 VAC, 50/60 HZ, 3 AMP
    ✓ IN STOCK!
    $924.66 Buy New $924.66
    $435.00
    Repair Yours $290.00
    MARSH BELLOFRAM SLU-100-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-100-ASA

    PHASE MONITORING RELAY, SLU-100 SERIES, UNIVERSAL, SPDT CONTACT FORM, 10 AMP, 8 PIN, 550 VAC SUPPLY, 240 V RATING
    ✓ IN STOCK!
    $174.00 Buy New $174.00
    $105.00
    Repair Yours $200.00
    MARSH BELLOFRAM SLU-100-ASD

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-100-ASD

    PHASE MONITOR RELAY, SLU-100 SERIES, 3-PHASE, DIN RAIL MOUNT, UNIVERSAL, SPDT CONTACT FORM, 10 AMP, 550 VAC SUPPLY, 240 V RATING
    ✓ IN STOCK!
    $613.00 Buy New $613.00
    $368.00
    Repair Yours $306.00
    MARSH BELLOFRAM PBD-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBD-440-ALE

    3 PHASE SEQUENCE & VOLTAGE BAND MONITOR/RELAYS, MAX VOLTAGE 550 VAC, ADJUSTABLE RANGES 390-480 UNDER/440-540 OVER, DPDT, CONTACT RATING 600 VAC, AUTOMATIC RESET
    ✓ IN STOCK!
    $553.00 Buy New $553.00
    $332.00
    Repair Yours $276.00
    MARSH BELLOFRAM PBE-440-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBE-440-ASE

    THREE PHASE VOLTAGE BAND MONITOR RELAY
    $970.00 Buy New $970.00
    $582.00
    Repair Yours $484.00
    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
    $610.00 Buy New $610.00
    $366.00
    Repair Yours $304.00
    MARSH BELLOFRAM UOA-110-DKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-110-DKA

    SINGLE PHASE UNDER VOLTAGE MONITOR/RELAY, 110 VDC, 92-130 VDC TRIP RANGE, 0.05 SEC TO 0.5 SEC, DPDT (2 FORM C), 5 A @ 240 VAC
    $253.00 Buy New $253.00
    $152.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-230-AFN

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-230-AFN

    UNDER VOLTAGE MONITOR, SINGLE PHASE, STYLE N, SPDT, 10 AMP, 240 V SWITCHING VOLTAGE, 230 V COIL VOLTAGE, RESISTIVE, 180 VA, INDUCTIVE, SOCKET MOUNT, PLUG-IN TERMINATION
    $476.00 Buy New $476.00
    $286.00
    Repair Yours $238.00
    MARSH BELLOFRAM VBA-208-AFN

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-AFN

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    $613.00 Buy New $613.00
    $368.00
    Repair Yours $306.00
    MARSH BELLOFRAM VBA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-ALA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $439.00 Buy New $439.00
    $334.00
    Repair Yours $220.00
    ASEA BROWN BOVERI 419904051AB

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    419904051AB

    UNIT
    ✓ IN STOCK!
    $72.00 Buy New $72.00
    $44.00
    MARSH BELLOFRAM SLA-120-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-120-ALE

    PHASE MONITORING RELAY, 95-130 VAC, 10A, DPDT, SCREW TERMINAL, SLA SERIES
    ✓ IN STOCK!
    $564.00 Buy New $564.00
    $429.00
    Repair Yours $282.00
    TELE CONTROLS G2IM5AL20 24-240VAC/DC

    TELE CONTROLS

    G2IM5AL20 24-240VAC/DC

    CURRENT MONITORING RELAY, OVERLOAD, 1-PH, 20MA - 1A - 5A AC/DC RANGE, MULTIFUNCTION, 2 CO, DPDT, LED INDICATORS, SUPPLY VOLTAGE 24-240V AC/DC
    ✓ IN STOCK!
    $202.00 Buy New $202.00
    $122.00
    Repair Yours $200.00
    GRAINGER 6X555

    GRAINGER

    GRAINGER APPROVED VENDOR

    6X555

    RELAY 35AMP 1POLE N/C POTENTIAL RELAY
    ✓ IN STOCK!
    $36.00 Buy Surplus As Low As $18.00
    $18.00
    Repair Yours Contact Us
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