Product Search

    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 251-300 of 436.
    MARSH BELLOFRAM SUA-440-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-440-ASA

    MONITORING RELAY, OPERATING VOLTAGE 430-480 ADJUSTABLE, 10 AMPS, ADJUSTMENT SCREW, OUTPUT RESISTIVE @ 240 VAC, 8 PIN OCTAL, SUA SERIES
    ✓ IN STOCK!
    $228.51 Buy New $228.51
    $147.89
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-110-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-110-DLA

    VOLTAGE MONITORING RELAY, UOA SERIES, 92-125 VDC DROP-OUT, 97-130 VDC PICK-UP, 5 V HYSTERESIS, LOCKNUT ADJUSTMENT
    ✓ IN STOCK!
    $253.00 Buy New $253.00
    $152.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-120-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-120-AKA

    VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, KNOB ADJUSTMENTS, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    $202.00 Buy New $202.00
    $122.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-120-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-120-ALA

    VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, 5 V HYSTERESIS, DPDT, LOCKNUT, 8-PIN OCTAL
    ✓ IN STOCK!
    $202.00 Buy New $202.00
    $122.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-208-ALA

    SINGLE PHASE UNDER VOLTAGE MONITOR/RELAY
    $240.00 Buy New $240.00
    $144.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-240-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-AKA

    UNDER VOLTAGE MONITOR, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, KNOB ADJUSTMENT, 8 PIN
    $241.00 Buy New $241.00
    $145.00
    Repair Yours $200.00
    MARSH BELLOFRAM UOA-240-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-ALA

    VOLTAGE MONITORING RELAY, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, LOCKNUT ADJUSTMENT, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    $265.00 Buy New $265.00
    $159.00
    Repair Yours $200.00
    BENDER RCM420-D-1

    BENDER

    RCM420-D-1

    GROUND-FAULT MONITOR, IEC 62020, 42- 2000HZ, START UP DELAY, LED, NO/NC
    ✓ IN STOCK!
    $1,121.58 Buy Surplus As Low As $469.00
    $469.00
    Repair Yours $390.00
    CONVERTEAM MVAJ13D1GB0780A

    CONVERTEAM

    ALSTOM

    MVAJ13D1GB0780A

    DISCONTINUED BY MANUFACTURER, TRIPPING AND CONTROL RELAYS, AC/DC OPERATION, LOW BURDEN, CONTACT MECHANISM: HR, CUTT-OFF: INSTANTANEOUS
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    NK TECHNOLOGIES AG2-NODC-24U-NF-950

    NK TECHNOLOGIES

    AG2-NODC-24U-NF-950

    AC GROUND FAULT SENSORS, AG SERIES, SOLID STATE OUTPUT,SOLID-CORE,24U - 24 VAC/VDC POWERED, FACTORY ADJUSTED SETPOINT, 80-950 MA, NORMALLY DE-ENERGIZED, TOP TERMINALS, N.O. 0.15 A @ 30 VDC
    $426.00 Buy Surplus As Low As $256.00
    $256.00
    Repair Yours $213.00
    TITUS CCT-150

    TITUS

    CCT-150

    50 AMP SSR RELAY
    ✓ IN STOCK!
    $470.00 Buy Surplus As Low As $282.00
    $282.00
    Repair Yours $235.00
    INGERSOLL RAND RLY3372

    INGERSOLL RAND

    TRANE

    RLY3372

    SPST 50A START RELAY
    $46.00 Buy Surplus As Low As $28.00
    $28.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR550881R9400

    ASEA BROWN BOVERI

    1SVR550881R9400

    (PRICE/EA) CM-PBE PHASE LOSS MONI. 3PH.+ N
    ✓ IN STOCK!
    $119.00 Buy Surplus As Low As $72.00
    $72.00
    Repair Yours $200.00
    MOTOR PROTECTION ELEC. INC 001-DVM-1212

    MOTOR PROTECTION ELEC. INC

    001-DVM-1212

    PHASE MONITOR, 10AMP, 240VAC, DPDT, 12PIN, PLUG IN, RECTANGULAR, REPLACES 001-230-1212
    ✓ IN STOCK!
    $206.00 Buy Surplus As Low As $124.00
    $124.00
    CR MAGNETICS CR4395-EH-120-330-A-CD-ELR-I

    CR MAGNETICS

    CR4395-EH-120-330-A-CD-ELR-I

    AC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, 50 - 400 HZ FREQ RANGE, 120 VAC +/- 10% POWER SUPPLY, OVERCURRENT DETECTION, NON-LATCHING, 0.5 - 6 SECOND ADJUSTABLE TIME DELAY, 3 - 30 AAC ...
    $120.00 Buy New $120.00
    $72.00
    Repair Yours $200.00
    TE CONNECTIVITY 1618025-9

    TE CONNECTIVITY

    AMP

    1618025-9

    2608=SWIFT ECONOMIZER, 12VDC
    $231.00 Buy Surplus As Low As $139.00
    $139.00
    Repair Yours $200.00
    TE CONNECTIVITY 1618086-2

    TE CONNECTIVITY

    AMP

    1618086-2

    440DC-HX=WILMAR UNDERVOLTAGE
    $6,832.00 Buy Surplus As Low As $4,100.00
    $4,100.00
    Repair Yours $3,403.00
    TE CONNECTIVITY 1618082-4

    TE CONNECTIVITY

    AMP

    1618082-4

    400-13PX=WILMAR UNDERVOLTAGE
    $1,882.00 Buy Surplus As Low As $1,130.00
    $1,130.00
    Repair Yours $938.00
    TE CONNECTIVITY 1618084-5

    TE CONNECTIVITY

    AMP

    1618084-5

    420DC-8X=WILMAR UNDERVOLTAGE 3
    $6,914.00 Buy Surplus As Low As $4,149.00
    $4,149.00
    Repair Yours $3,444.00
    TE CONNECTIVITY 1618095-3

    TE CONNECTIVITY

    AMP

    1618095-3

    900-2X=WILMAR PHASE SEQUENCE
    $8,199.00 Buy Surplus As Low As $4,920.00
    $4,920.00
    Repair Yours $4,084.00
    TE CONNECTIVITY 1617156-2

    TE CONNECTIVITY

    AMP

    1617156-2

    MGSCD-12 = MGSD .100 GRID DIOD
    $191.00 Buy Surplus As Low As $115.00
    $115.00
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CA1A-DC12V-B

    MATSUSHITA ELECTRIC

    AROMAT

    CA1A-DC12V-B

    CA RELAY
    $97.00 Buy Surplus As Low As $59.00
    $59.00
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CB1-R-WM-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1-R-WM-12V

    AUTOMOTIVE RELAYS 1 FORM C 12V WITH RESISTOR
    $13.00 Buy Surplus As Low As $7.80
    $7.80
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CB1A-T-M-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1A-T-M-24V

    AUTOMOTIVE RELAY,CB RELAY(AUTOMO
    $13.00 Buy Surplus As Low As $7.80
    $7.80
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CB1AF-P-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1AF-P-24V

    AUTOMOTIVE RELAYS 1 FORM A 24VDC
    $8.12 Buy Surplus As Low As $4.87
    $4.87
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CB1AF-R-M-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1AF-R-M-12V

    AUTOMOTIVE RELAYS 1 FORM A 12V WITH RESISTOR
    $9.31 Buy Surplus As Low As $5.58
    $5.58
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CB1AF-R-M-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1AF-R-M-24V

    CB RELAY
    $11.00 Buy Surplus As Low As $6.60
    $6.60
    Repair Yours $200.00
    MATSUSHITA ELECTRIC CM1F-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CM1F-12V

    AUTOMOTIVE RELAY,CM RELAY(AUTOMO
    $8.04 Buy Surplus As Low As $4.82
    $4.82
    Repair Yours $200.00
    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!
    $39.00 Buy New $39.00
    $24.00
    ASEA BROWN BOVERI 1SVR550826R9100

    ASEA BROWN BOVERI

    1SVR550826R9100

    RELAY, PHASE SEQUENCE MONITORING, 200-500 V, 50/60 HZ, SCREW CLAMP, DIN RAIL MOUNT, 3 PHASE, SPDT
    ✓ IN STOCK!
    $89.00 Buy Surplus As Low As $54.00
    $54.00
    Repair Yours $200.00
    DOLD BD9080.12 3AC400V 50/60HZ AC230V 50/60HZ

    DOLD

    BD9080.12 3AC400V 50/60HZ AC230V 50/60HZ

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR, VARIMIETER PRO, L1/L2/L3: 3AC 400 V 50/60 HZ, A1/A2: AC 230 V 50/60 HZ, ADJUSTABLE TIME DELAY BETWEEN 1.1-5 S, 0045382
    ✓ IN STOCK!
    Buy Surplus As Low As $255.00 $162.00
    $255.00 $162.00
    Repair Yours $200.00
    GENERIC KH/U-..-H BV923

    GENERIC

    KH/U-..-H BV923

    RELAY
    ✓ IN STOCK!
    $63.00 Buy Surplus As Low As $31.50
    $31.50
    LITTELFUSE 102A

    LITTELFUSE

    102A

    VOLTAGE MONITOR, 3-PHASE, SPDT-1 FORM C, 190-480 VAC, 50/60 HZ, 5 WATTS, 12 - 18 AWG WIRE SIZE, -40 TO 70 DEG. C
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $153.00
    $153.00
    Repair Yours $200.00
    HEATCRAFT 22535601

    HEATCRAFT

    22535601

    PHASE MONITOR 190-480V 50/60H
    $500.00 Buy Surplus As Low As $300.00
    $300.00
    Repair Yours $249.00
    RADWELL VERIFIED SUBSTITUTE DMLUBRAAA-SUB

    RADWELL VERIFIED SUBSTITUTE

    DMLUBRAAA-SUB

    SUBSTITUTE FOR SSAC DMLUBRAAA, 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!
    $145.00 Buy New $145.00
    Repair Yours $200.00
    EATON CORPORATION 13535H111-2

    EATON CORPORATION

    CUTLER HAMMER

    13535H111-2

    AC TRANSFORMER RELAY, OPEN TYPE, 20/240 VAC, 50/60 HZ
    ✓ IN STOCK!
    $679.00 Buy Surplus As Low As $289.00
    $289.00
    ELKO PRI-51/5A

    ELKO

    PRI-51/5A

    CURRENT MONITORING RELAY, 0.5-5 AMP, 24-240 VAC, 24 VDC, 50/60 HZ, 25 VA, 1.6 WATT, DIN RAIL MOUNT, IP40
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    MACROMATIC PC1MDUL

    MACROMATIC

    PC1MDUL

    PHASE MONITOR RELAY, SPDT, 5A, 250VAC; PRODUCT RANGE:PC1 SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREW; SWITCHING VOLTAGE MAX:250VAC; ...
    $1,024.00 Buy New $1,024.00
    $615.00
    Repair Yours $511.00
    TELE CONTROLS E1YM480Y/277VS10

    TELE CONTROLS

    E1YM480Y/277VS10

    VOLTAGE MONITOR, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE THRESHOLDS, ADJUSTABLE TRIPPING DELAY
    ✓ IN STOCK!
    $124.00 Buy New $124.00
    $75.00
    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
    Previous Next
    1 2 3 4 5 6 7 8 9