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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.

    Filter Results
    Results 651-700 of 838.
    IMO MR-1PVM

    IMO

    MR-1PVM

    DISCONTINUED BY MANUFACTURER, RELAY, VOLTAGE MONITOR, SINGLE PHASE, MODULAR SUPPLY, 0-10 SECOND, 12-400 VAC INPUT, SCREW TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $77.00
    $77.00
    Repair Yours $300.00
    GIC MJA3BK

    GIC

    MJA3BK

    PTC THERMISTOR RELAY, PD225 SERIES, 24 VAC/DC -20/+10%, 2 C/O CONFIGURATION, 2 VA POWER CONSUMPTION, -15 TO 60 DEGREE, IP20
    ✓ IN STOCK!
    $110.00 Buy Surplus As Low As $84.00
    $84.00
    CARLO GAVAZZI SJ-185-230-500V

    CARLO GAVAZZI

    ELECTROMATIC

    SJ-185-230-500V

    DISCONTINUED BY MANUFACTURER, VOLTAGE CONTROL, 230 VAC, 50/60 HZ, RANGE 100-500 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $152.00
    $152.00
    OMRON SDV-A-200V

    OMRON

    SDV-A-200V

    VOLTAGE SENSOR, 2 AMPS, 200 VOLTS (AC), 8 PIN CONNECTION
    ✓ IN STOCK!
    $256.21 Buy Surplus As Low As $114.98
    $114.98
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR550826R9100

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR550826R9100

    RELAY, PHASE SEQUENCE MONITORING, 200-500 V, 50/60 HZ, SCREW CLAMP, DIN RAIL MOUNT, 3 PHASE, SPDT , 1SVR550826R9100
    ✓ IN STOCK!
    $98.00 Buy Surplus As Low As $54.00
    $54.00
    RHOMBERG SP430/380VAC-SP

    RHOMBERG

    SP430/380VAC-SP

    PHASE SEQUENCE/FAILURE/ASYMMETRY RELAY, 11PIN, 10AMP, SPDT, 380VAC, 5-15PERCENT NPS SENSITIVITY, LED INDICATING
    ✓ IN STOCK!
    $142.56 Buy Surplus As Low As $50.88
    $50.88
    RHOMBERG SP430/400VAC-SP

    RHOMBERG

    SP430/400VAC-SP

    PHASE SEQUENCE/FAILURE/ASYMMETRY RELAY, 11PIN, 10AMP, SPDT, 400/415VAC, 5-15PERCENT NPS SENSITIVITY, LED INDICATING
    ✓ IN STOCK!
    $141.84 Buy Surplus As Low As $45.09
    $45.09
    SIEMENS 3UF7111-1AA01-0

    SIEMENS

    3UF7111-1AA01-0

    CURRENT/VOLTAGE MEASURING MODULE, 3-40 AMP, 690 VAC, 50/60 HZ, 6KV, STRAIGHT THROUGH TRANSFORMER, SCREW TYPE TERMINAL, IP20
    ✓ IN STOCK!
    $784.00 Buy Surplus As Low As $478.00
    $478.00
    Repair Yours $439.00
    CR MAGNETICS CR5395-LH-ACV-101-B-CD-ELR-R

    CR MAGNETICS

    CR5395-LH-ACV-101-B-CD-ELR-R

    DC CURRENT SENSING RELAY, SUPPLY VOLTAGE 85-265VAC, TRIP RANGE 10-100AMPS, TIME DELAY 2-25 SEC, CALIBRATED DIAL, CRDCS-050 REMOTE DC SENSOR
    ✓ IN STOCK!
    $326.00 Buy New $326.00
    $101.27
    Repair Yours $300.00
    ASHCROFT 351005PH02LXUL300

    ASHCROFT

    351005PH02LXUL300

    COMMERCIAL PRESSURE GAUGE 3-1/2IN. DIAL 1/4IN. LOWER CONN ABS CASE BRASS SOCKET 0-300 PSI RANGE
    ✓ IN STOCK!
    $30.60 Buy Surplus As Low As $18.36
    $18.36
    SELEC 600PSR-165/300-CU

    SELEC

    600PSR-165/300-CU

    PHASE SEQUENCE RELAY,DIN RAIL MOUNT, ACCURACY IS ±10V, PHASE FAILURE- PHASE REVERSED , SPACE SAVING DESIGN,1 C/O SPDT OUTPUT CONTACT, 165 -300V AC (L-L) SUPPLY, SIZE 17.5 X 90MM.
    ✓ IN STOCK!
    $40.33 Buy New $40.33
    $29.04
    GENERAL ELECTRIC 12IFC66AD1A

    GENERAL ELECTRIC

    12IFC66AD1A

    DISCONTINUED BY MANUFACTURER, PROT RELAY, LONG TIME OVERCURRENT, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $173.18
    $173.18
    MATSUSHITA ELECTRIC CM1F-D-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CM1F-D-12V

    RELAY, 35A, 12V, 5 PIN
    ✓ IN STOCK!
    $14.40 Buy Surplus As Low As $4.80
    $4.80
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CB1-R-WM-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1-R-WM-12V

    AUTOMOTIVE RELAYS 1 FORM C 12V WITH RESISTOR
    ✓ IN STOCK!
    $6.05 Buy Surplus As Low As $3.63
    $3.63
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CA1A-DC12V-B

    MATSUSHITA ELECTRIC

    AROMAT

    CA1A-DC12V-B

    CA RELAY
    ✓ IN STOCK!
    $40.50 Buy Surplus As Low As $24.30
    $24.30
    Repair Yours $300.00
    EZ DIGITAL FG7005C

    EZ DIGITAL

    FG7005C

    SWEEP FUNCTION GENERATOR, LED DISPLAY, BUILT-IN FREQUENCY COUNTER, 0.05 HZ TO 5 MHZ IN 7 RANGE, 2% OF FULL SCALE ACCURACY, 115-230 V, 15 WATT
    ✓ IN STOCK!
    $575.00 Buy Surplus As Low As $153.00
    $153.00
    Repair Yours $300.00
    ASEA BROWN BOVERI DDA802A-63/0.03

    ASEA BROWN BOVERI

    DDA802A-63/0.03

    TYPE A RCD BLOCK,2P, 63A, 30MA
    ✓ IN STOCK!
    $233.50 Buy Surplus As Low As $94.77
    $94.77
    Repair Yours $300.00
    ASEA BROWN BOVERI DDA204A-63/0.03

    ASEA BROWN BOVERI

    DDA204A-63/0.03

    SENSOR, 63A, 7.6W, 4POLE, 230/400V, 30MA
    ✓ IN STOCK!
    $480.00 Buy Surplus As Low As $365.00
    $365.00
    CR MAGNETICS CR7310-EH-120-.11-C-CD-ELR-R2

    CR MAGNETICS

    CR7310-EH-120-.11-C-CD-ELR-R2

    CR7310 - GROUND FAULT SENSING RELAY, SUPPLY VOLTAGE - 120 VAC, TRIP RANGE - 0.1 TO 1.0 AAC , TRIP ON DELAY - .1 TO 1 SEC, CALIBRATED DIAL, CRGFS-200 REMOTE CURRENT TRANSFORMER
    ✓ IN STOCK!
    $261.05 Buy New $261.05
    $128.89
    Repair Yours $300.00
    CR MAGNETICS CR5395-LH-24D-110-C-CD-ELR-I

    CR MAGNETICS

    CR5395-LH-24D-110-C-CD-ELR-I

    CR5395 - DC CURRENT SENSING RELAY, SUPPLY VOLTAGE 24 VDC, TRIP RANGE - 1.0 TO 10 AAC, TRIP ON DELAY - .1 TO 1 SEC, CALIBRATED DIAL, INTERNAL TRANSFORMER
    ✓ IN STOCK!
    $163.80 Buy New $163.80
    $97.61
    Repair Yours $300.00
    CR MAGNETICS CR5395-EL-24D-101-X-CD-ELR-I

    CR MAGNETICS

    CR5395-EL-24D-101-X-CD-ELR-I

    DC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, DC FREQ ONLY, 24 VDC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, NO TIME DELAY, 10 - 100 ADC ADJUSTABLE TRIP RANGE, DPST FOR ...
    ✓ IN STOCK!
    $135.00 Buy New $135.00
    $103.30
    Repair Yours $300.00
    DOLD BA9041

    DOLD

    BA9041

    DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, DPDT CONTACTS, 3PHASE, 400VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $139.39
    $139.39
    Repair Yours $300.00
    ASEA BROWN BOVERI WLM945A5S

    ASEA BROWN BOVERI

    SSAC

    WLM945A5S

    SSAC, ASEA BROWN BOVERI, WLM945A5S, VOLTAGE MONITOR THREE PHASE, 400-480VAC, 5SEC TRIP DELAY, 5SEC RESTART DELAY,
    ✓ IN STOCK!
    $162.66 Buy Surplus As Low As $61.85
    $61.85
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR550881R9400

    ASEA BROWN BOVERI

    1SVR550881R9400

    (PRICE/EA) CM-PBE PHASE LOSS MONI. 3PH.+ N , 1SVR550881R9400
    ✓ IN STOCK!
    $137.55 Buy Surplus As Low As $39.05
    $39.05
    Repair Yours $300.00
    NK TECHNOLOGIES AG3-NOAC-24U-NF-TR3

    NK TECHNOLOGIES

    AG3-NOAC-24U-NF-TR3

    AC GROUND FAULT SENSORS, AG SERIES, SOLID STATE OUTPUT,SOLID-CORE,24U - 24 VAC/VDC POWERED, JUMPER SELECT 5, 10 OR 30 MA SETPOINT, NORMALLY DE-ENERGIZED, TOP TERMINALS, N.O. 1 A @ 240 VAC
    ✓ IN STOCK!
    $414.00 Buy Surplus As Low As $191.84
    $191.84
    Repair Yours $300.00
    OMRON K8DT-AW1TD

    OMRON

    K8DT-AW1TD

    MEASURING AND MONITORING, CURRENT RELAY, 1-PHASE, 24VAC, DIN RAIL, 50/60HZ
    ✓ IN STOCK!
    $262.00 Buy Surplus As Low As $135.00
    $135.00
    Repair Yours $300.00
    OMRON K8DT-AS3CD

    OMRON

    K8DT-AS3CD

    CURRENT MONITORING RLY, SPDT, 24V, DIN, PRODUCT RANGE:K8DT-AS SERIES, CONTACT CONFIGURATION:SPDT, CONTACT CURRENT:-, RELAY MOUNTING:DIN RAIL, CONTACT VOLTAGE VAC:-, RELAY TERMINALS:SCREW, CO ...
    ✓ IN STOCK!
    $436.00 Buy Surplus As Low As $162.63
    $162.63
    Repair Yours $300.00
    SIEMENS 3TX7117-5HF13C

    SIEMENS

    3TX7117-5HF13C

    PLUG-IN RELAY, SQUARE BASE 4PDT, 14 PIN, 15A, 120VAC
    ✓ IN STOCK!
    $42.00 Buy Surplus As Low As $17.00
    $17.00
    Repair Yours $300.00
    SIEMENS 3TX7116-5FC13C

    SIEMENS

    3TX7116-5FC13C

    PLUG-IN RELAY. 3PDT. 15A. 24VAC, PLUG-IN RELAY, BASIC 11-PIN SQUARE BASE 3PDT, 15A, 24VAC USES SOCKET 3TX7144-4E8
    ✓ IN STOCK!
    $9.66 Buy Surplus As Low As $5.79
    $5.79
    Repair Yours $300.00
    SIEMENS 3TX7116-5FC03C

    SIEMENS

    3TX7116-5FC03C

    PLUG-IN RELAY. 3PDT. 15A. 24VDC, PLUG-IN RELAY, BASIC 11-PIN SQUARE BASE 3PDT, 15A, 24VDC USES SOCKET 3TX7144-4E8
    ✓ IN STOCK!
    $15.02 Buy Surplus As Low As $9.01
    $9.01
    Repair Yours $300.00
    SIEMENS 3TX7114-5DF13C

    SIEMENS

    3TX7114-5DF13C

    PLUG-IN RELAY, DPDT, 15A, 120VAC, N79, CONTROLS - PLUG-IN RELAY 3TX71
    ✓ IN STOCK!
    $34.65 Buy Surplus As Low As $21.35
    $21.35
    Repair Yours $300.00
    SIEMENS 3TX7111-3HC13C

    SIEMENS

    3TX7111-3HC13C

    PLUG-IN RELAY. 4PDT. 6A. 24VAC, PLUG-IN RELAY, BASIC 14-PIN SQUARE BASE 4PDT, 6A, 24VAC USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    $33.00 Buy Surplus As Low As $19.00
    $19.00
    Repair Yours $300.00
    SIEMENS 3TX7111-3HC03C

    SIEMENS

    3TX7111-3HC03C

    PLUG-IN RELAY, 4PDT, 6A, 24VDC, CONTROLS - PLUG-IN RELAY 3TX71, CONTROL PRODUCTS , 3TX7111-3HC03C , 3TX7111-3HC03C
    ✓ IN STOCK!
    $44.10 Buy Surplus As Low As $31.93
    $31.93
    Repair Yours $300.00
    OMRON K8AB-PA1

    OMRON

    K8AB-PA1

    MONITORING RELAY, 3PHASE, VOLTAGE ASYMMETRY/PHASE SEQUENCE AND PHASE LOSS RELAY, SPDT, 115-240VAC, .1-30SEC DELAY, 22.5MM WIDE
    ✓ IN STOCK!
    $162.64 Buy Surplus As Low As $108.07
    $108.07
    EATON CORPORATION D15CR26AB

    EATON CORPORATION

    CUTLER HAMMER

    D15CR26AB

    RELAY, D15 SERIES FREEDOM 600V MULTI-POLE RELAY, EIGHT-POLE, 110/120V COIL VOLTAGE, 50/60 HZ, 2NO-6NC CONTACT CONFIGURATION, 60A MAKE, 6.0A BREAK CONTACT RATING, 10A RATED OPERATIONAL CURREN ...
    ✓ IN STOCK!
    $562.00 Buy Surplus As Low As $342.40
    $342.40
    Repair Yours $300.00
    ASEA BROWN BOVERI K6NCT-600

    ASEA BROWN BOVERI

    K6NCT-600

    NEUTRAL GND FAULT SENSOR 600A
    $86.36 Buy Surplus As Low As $51.82
    $51.82
    Repair Yours Contact Us
    LARCO 5000EX

    LARCO

    5000EX

    DISCONTINUED BY MANUFACTURER, ZONE MONITOR WALL MOUNT 120/240VAC 50/60HZ .125AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $280.26
    $280.26
    Repair Yours $300.00
    ASEA BROWN BOVERI PLM8405

    ASEA BROWN BOVERI

    SSAC

    PLM8405

    SINGLE FUNCTION RELAYS & MONITORS, 3 PHASE LINE MONITOR
    ✓ IN STOCK!
    $217.58 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $300.00
    ASEA BROWN BOVERI PLM6802

    ASEA BROWN BOVERI

    PLM6802

    3 PHASE LINE MONITOR, 240VAC, 60HZ
    ✓ IN STOCK!
    $224.66 Buy Surplus As Low As $121.83
    $121.83
    ASEA BROWN BOVERI PHS120A20

    ASEA BROWN BOVERI

    SSAC

    PHS120A20

    SINGLE FUNCTION RELAYS & MONITORS, AC PHASE CONTROL
    ✓ IN STOCK!
    $96.00 Buy Surplus As Low As $55.00
    $55.00
    Repair Yours $300.00
    ASEA BROWN BOVERI DLM811

    ASEA BROWN BOVERI

    DLM811

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3-PHASE, DIN RAIL MOUNT, 380-415 VAC, 2-20 SECONDS
    ✓ IN STOCK!
    Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR550870R9400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR550870R9400

    PHASE MONITORING RELAY, 4 AMP, 400 V, 3 KV, 1 NO, WITH NEUTRAL CONNECTION, POWERED BY MEASURING CIRCUIT, FOR MONITORING OF 1-3 PHASE OVER- AND UNDERVOLTAGE, (CM-PVE) , 1SVR550870R9400
    ✓ IN STOCK!
    $142.00 Buy Surplus As Low As $108.00
    $108.00
    SIEMENS RCC5P1

    SIEMENS

    RCC5P1

    CONTROL RELAY 5POLE 5NO/5NC 110/120VAC COIL
    ✓ IN STOCK!
    $111.00 Buy Surplus As Low As $40.70
    $40.70
    Repair Yours $300.00
    GOTRONIC 585100

    GOTRONIC

    585100

    POWER LINE MONITOR 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $167.53
    $167.53
    Repair Yours $300.00
    MARSH BELLOFRAM CML-120-ASE-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CML-120-ASE-5

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CML MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
    ✓ IN STOCK!
    $417.00 Buy New $417.00
    $252.00
    Repair Yours $300.00
    MARSH BELLOFRAM CMI-120-ASE-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMI-120-ASE-5

    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 - 1-5 AMP
    ✓ IN STOCK!
    $561.00 Buy New $561.00
    $266.72
    Repair Yours $300.00
    MARSH BELLOFRAM CMB-120-AFA-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMB-120-AFA-10

    CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 10 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
    ✓ IN STOCK!
    $253.52 Buy New $253.52
    $152.11
    Repair Yours $300.00
    MARSH BELLOFRAM CBA-120-ALE-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CBA-120-ALE-10

    MONITOR / RELAY, AC OVER AND UNDER CURRENT BAND, 2 - 10 AMP ADJUSTABLE UNDER CURRENT RANGE, 2-10 AMP ADJUSTABLE OVER CURRENT RANGE, 120 VAC, 50/60 HZ
    ✓ IN STOCK!
    $566.00 Buy New $566.00
    $324.00
    Repair Yours $300.00
    MARSH BELLOFRAM CMU-120-ASE-20

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMU-120-ASE-20

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
    ✓ IN STOCK!
    $529.00 Buy New $529.00
    $234.35
    Repair Yours $300.00
    MARSH BELLOFRAM CMU-120-ASA-1

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMU-120-ASA-1

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, 10 AMPS RES @ 120 V AC OUTPUT, DPDT, 120 V AC/DC CONTROL, 50/60 HZ, CURRENT TRIP POINTS - 1-5 AMP, 11-PIN, PLUG-IN MOUNT
    ✓ IN STOCK!
    $593.64 Buy New $593.64
    $451.86
    Repair Yours $300.00
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