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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 201-250 of 436.
    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
    EATON CORPORATION D65VMLS480-B1

    EATON CORPORATION

    CUTLER HAMMER

    D65VMLS480-B1

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR RELAY, 208-480 VAC, 30 VDC, 10 AMP, 1/3 HP
    ✓ IN STOCK!
    Buy Surplus As Low As $418.00
    $418.00
    Repair Yours $274.00
    ASEA BROWN BOVERI 1SVR730841R0500

    ASEA BROWN BOVERI

    1SVR730841R0500

    (PRICE/EA) CM-SRS.22S CURRENT MON. RELAY
    ✓ IN STOCK!
    $315.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    GENERAL ELECTRIC RL4RA022TW

    GENERAL ELECTRIC

    RL4RA022TW

    RL4RA022TW GE RELAY 2N/O 2N/C AC COIL 415V
    ✓ IN STOCK!
    $54.65 Buy Surplus As Low As $36.26
    $36.26
    ASEA BROWN BOVERI 1SVR730840R0600

    ASEA BROWN BOVERI

    1SVR730840R0600

    (PRICE/EA) CM-SRS.M1S CURRENT MON. RELAY
    ✓ IN STOCK!
    $399.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730774R3300

    ASEA BROWN BOVERI

    1SVR730774R3300

    (PRICE/EA) CM-PAS.41S THREE-PHASE MON.
    ✓ IN STOCK!
    $345.00 Buy Surplus As Low As $207.00
    $207.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730830R0400

    ASEA BROWN BOVERI

    1SVR730830R0400

    VOLTAGE MONITORING RELAY, 4 AMP, 24-240 VAC/DC, SCREW TYPE TERMINALS, 2 C/O SPDT CONTACTS, 10 MA / 24 V MINIMUM SWITCHING CAPACITY, -20 TO +60 DEGREE C, IP20/50, (CM-ESS.2S)
    ✓ IN STOCK!
    $370.00 Buy Surplus As Low As $282.00
    $282.00
    ASEA BROWN BOVERI 1SVR730884R4300

    ASEA BROWN BOVERI

    1SVR730884R4300

    RELAY, MULTIFUNCTIONAL, CM SERIES, 300-500 VAC, 50/60/400 HZ, 2 C/O (SPDT) OUTPUT, 250 V / 4 AMP RATED, ON/OFF TRIPPING DELAY, 3-PHASE, (CM-MPS.43S)
    ✓ IN STOCK!
    $440.00 Buy Surplus As Low As $264.00
    $264.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730885R3300

    ASEA BROWN BOVERI

    1SVR730885R3300

    RMS MONITORING RELAY, MULTIFUNCTION, 3 PHASE, (CM-MPS.21S)
    ✓ IN STOCK!
    $384.00 Buy Surplus As Low As $292.00
    $292.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730831R0400

    ASEA BROWN BOVERI

    1SVR730831R0400

    VOLTAGE MONITORING RELAY, SPDT, 1 PHASE, 4 AMP, 2 C/O, 110-130 VAC, 10 MA, 8 MM STRIPPING LENGTH, SCREW TYPE TERMINALS, DIN RAIL MOUNT, -20 TO +60 DEGREES C, IP20/50
    ✓ IN STOCK!
    $315.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730840R0400

    ASEA BROWN BOVERI

    1SVR730840R0400

    CURRENT MONITORING RELAY, 1-4 AMP, 250 VAC, 240 VDC, 3 MA, 750 W, DPDT, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -20 TO +60 DEGREES C, IP20, (CM-SRS.21S)
    ✓ IN STOCK!
    $370.00 Buy Surplus As Low As $222.00
    $222.00
    Repair Yours $200.00
    LITTELFUSE 460-575

    LITTELFUSE

    460-575

    PHASE RELAY, SPDT, 475-600V, DIN RAIL; PRODUCT RANGE:460 SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:DIN RAIL, PANEL; RELAY TERMINALS:SCREW; SWITCHING VOLTAGE MAX ...
    ✓ IN STOCK!
    $196.00 Buy Surplus As Low As $118.00
    $118.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730840R0700

    ASEA BROWN BOVERI

    1SVR730840R0700

    (PRICE/EA) CM-SRS.M2S CURRENT MON. RELAY
    ✓ IN STOCK!
    $399.00 Buy Surplus As Low As $304.00
    $304.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730830R0500

    ASEA BROWN BOVERI

    1SVR730830R0500

    VOLTAGE MON. RELAY, ROHS COMPLIANT, CM-ESS.MS
    ✓ IN STOCK!
    $399.00 Buy Surplus As Low As $304.00
    $304.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR750487R8300

    ASEA BROWN BOVERI

    1SVR750487R8300

    PHASE MONITORING RELAY, 580VAC, DPDT, 4-AMP, DIN RAIL MOUNT, SCREW TERMINALS, SWITCHING VOLTAGE MAX 24V, SUPPLY VOLTAGE MAX - 580VAC, 3 PHASE
    ✓ IN STOCK!
    $499.00 Buy Surplus As Low As $252.00
    $252.00
    Repair Yours $210.00
    REER AU SX

    REER

    AU SX

    RELAIS TYPE 2 FOR ILION, ULISSE (RR400685)
    ✓ IN STOCK!
    $350.00 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR760488R8300

    ASEA BROWN BOVERI

    1SVR760488R8300

    THREE PHASE MONITORING RELAY, 450-720 VAC RANGE, 50/60 HZ, 0.1-30 SECOND RANGE, DIN-RAIL MOUNTING, (CM-MPN.62P)
    ✓ IN STOCK!
    $529.00 Buy Surplus As Low As $318.00
    $318.00
    Repair Yours $264.00
    ASEA BROWN BOVERI DS951-C16/0.03

    ASEA BROWN BOVERI

    DS951-C16/0.03

    CIRCUIT BREAKER,1+N POLE,230-240VAC,6KA,50-60HZ,16AMP,DIN RAIL,SCREW TERMINALS
    ✓ IN STOCK!
    $847.00 Buy Surplus As Low As $644.00
    $644.00
    Repair Yours $423.00
    INGERSOLL RAND RLY1709

    INGERSOLL RAND

    TRANE

    RLY1709

    DPDT RELAY, 24V
    $24.00 Buy Surplus As Low As $15.00
    $15.00
    Repair Yours $200.00
    INGERSOLL RAND RLY1778

    INGERSOLL RAND

    TRANE

    RLY1778

    24VDC DPST N/O RELAY
    ✓ IN STOCK!
    $78.00 Buy Surplus As Low As $47.00
    $47.00
    Repair Yours $200.00
    SIEMENS 3RR2441-1AA40

    SIEMENS

    3RR2441-1AA40

    CURRENT MONITORING RELAY, IO-LINK, SIZE S00, 1.6-16 AMP RANGE, 20-400 HZ, 24 VDC SUPPLY, 1 CHANGE-OVER CONTACT, SCREW CONNECTION
    ✓ IN STOCK!
    $726.00 Buy Surplus As Low As $552.00
    $552.00
    Repair Yours $362.00
    HONGFA HFD230121ZS

    HONGFA

    HFD230121ZS

    SPCO SUB MIN PC RELAY 12VDC *
    ✓ IN STOCK!
    $4.40 Buy Surplus As Low As $2.64
    $2.64
    ASEA BROWN BOVERI 1SVR740824R9300

    ASEA BROWN BOVERI

    1SVR740824R9300

    (PRICE/EA) PHASE MONITOR RELAY, 3PH, DPDT, 200-500V; PRODUCT RANGE:CM SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:4A; RELAY MOUNTING:DIN RAIL; RELAY TERMINALS:SCREWLESS; SWITCHING VO ...
    ✓ IN STOCK!
    $179.00 Buy Surplus As Low As $137.00
    $137.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR760669R9400

    ASEA BROWN BOVERI

    1SVR760669R9400

    COUPLING UNIT, VOLTAGE RANGE EXPANSION FOR CM-IWN.1, 690VAC, 1000VDC
    ✓ IN STOCK!
    $393.00 Buy Surplus As Low As $200.60
    $200.60
    Repair Yours $200.00
    EATON CORPORATION 9253C03H06

    EATON CORPORATION

    CUTLER HAMMER

    9253C03H06

    GROUND FAULT TRANSMITTER, 800,1AMP, 600VAC, 60HZ
    ✓ IN STOCK!
    $312.00 Buy Surplus As Low As $206.00
    $206.00
    Repair Yours $200.00
    EATON CORPORATION 15BA4-25E

    EATON CORPORATION

    CUTLER HAMMER

    15BA4-25E

    BA-400/800, 15.5 MAX KV, 25E, EXPULSION , 15BA4-25E
    ✓ IN STOCK!
    $679.00 Buy Surplus As Low As $408.00
    $408.00
    Repair Yours $340.00
    INGERSOLL RAND RLY1352

    INGERSOLL RAND

    TRANE

    RLY1352

    20A 24V SPST EXHAUST RELAY
    $87.00 Buy Surplus As Low As $53.00
    $53.00
    Repair Yours $200.00
    INGERSOLL RAND RLY3210

    INGERSOLL RAND

    TRANE

    RLY3210

    START RELAY 50A COIL
    ✓ IN STOCK!
    $71.00 Buy Surplus As Low As $43.00
    $43.00
    Repair Yours $200.00
    ASEA BROWN BOVERI CM-IVN.S

    ASEA BROWN BOVERI

    CM-IVN.S

    (PRICE/EA) COUPLING UNIT, MONITORING RELAY, DIN ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $467.00 Buy Surplus As Low As $281.00
    $281.00
    Repair Yours $234.00
    INGERSOLL RAND RLY3065

    INGERSOLL RAND

    TRANE

    RLY3065

    DPDT RELAY, 5AMP 24V COIL
    $91.00 Buy Surplus As Low As $55.00
    $55.00
    Repair Yours $200.00
    IDEC RJ2S-CL-A110

    IDEC

    RJ2S-CL-A110

    SLIM POWER RELAY, RJ SERIES, 2 POLES DPDT, PLUG IN TERMINAL, WITH LED INDICATOR, 110 VAC COIL VOLTAGE, 50/60 HZ
    $7.80 Buy New $7.80
    $4.68
    SCHNEIDER ELECTRIC GC-200D

    SCHNEIDER ELECTRIC

    SQUARE D

    GC-200D

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, 120 VAC, 24 VDC, DIN RAIL MOUNT, 5A/10A TRIP ALARM
    ✓ IN STOCK!
    Buy Surplus As Low As $2,275.00
    $2,275.00
    Repair Yours $1,695.00
    SCHNEIDER ELECTRIC RM4TR32

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    RM4TR32

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, 300V, 5A, RM4,50/60HZ, REPLACED BY RM22TR33
    ✓ IN STOCK!
    Buy Surplus As Low As $321.66
    $321.66
    MACROMATIC PMD575

    MACROMATIC

    PMD575

    3-PHASE MONITOR RELAY, 575 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $539.00 Buy New $539.00
    $142.65
    Repair Yours $200.00
    SIEMENS 3RQ3018-1AF00

    SIEMENS

    3RQ3018-1AF00

    RELAY COUPLER, 1 CHANGE-OVER CONTACT, 230 VAC/DC, 6 AMP, SCREW TERMINAL
    ✓ IN STOCK!
    $98.00 Buy Surplus As Low As $65.00
    $65.00
    INGERSOLL RAND RLY1951

    INGERSOLL RAND

    TRANE

    RLY1951

    SPDT NO/NC 24V REV RELAY
    $44.00 Buy Surplus As Low As $27.00
    $27.00
    Repair Yours $200.00
    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!
    $522.00 Buy New $522.00
    $314.00
    Repair Yours $261.00
    MARSH BELLOFRAM CML-120-ASA-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CML-120-ASA-10

    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, PLUG-IN ENCLOSURE, CURRENT TRIP POINTS - 2- ...
    $447.00 Buy New $447.00
    $269.00
    Repair Yours $224.00
    MARSH BELLOFRAM CMO-120-ASE-20

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMO-120-ASE-20

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMO MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
    $516.00 Buy New $516.00
    $310.00
    Repair Yours $258.00
    MARSH BELLOFRAM CMO-120-ASE-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMO-120-ASE-5

    OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMO 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!
    $516.00 Buy New $516.00
    $310.00
    Repair Yours $258.00
    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!
    $408.00 Buy New $408.00
    $311.00
    Repair Yours $203.35
    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!
    $528.00 Buy New $528.00
    $317.00
    Repair Yours $200.00
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