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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 401-450 of 838.
    GENERAL ELECTRIC 12SFF31A1A

    GENERAL ELECTRIC

    12SFF31A1A

    DISCONTINUED BY MANUFACTURER, RELAY, STATIC FREQUENCY, TYPE SFF, 120 V RMS, 24-108 VAC, 48 / 110 / 450 VDC, 44-61 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $336.00
    $336.00
    Repair Yours $348.60
    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
    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
    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 $86.53
    $86.53
    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
    $67.00
    Repair Yours $300.00
    RADWELL VERIFIED SUBSTITUTE PMDU-SUB

    RADWELL VERIFIED SUBSTITUTE

    PMDU-SUB

    SUBSTITUTE FOR MACROMATIC PMDU , 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!
    $125.00 Buy New $125.00
    Repair Yours $300.00
    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 $51.97
    $51.97
    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!
    $97.00 Buy Surplus As Low As $59.00
    $59.00
    Repair Yours Contact Us
    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
    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!
    $384.41 Buy Surplus As Low As $212.53
    $212.53
    Repair Yours $300.00
    GOTRONIC 585109

    GOTRONIC

    585109

    POWER LINE MONITOR,480VAC,50/60HZ
    ✓ IN STOCK!
    $372.84 Buy Surplus As Low As $173.24
    $173.24
    Repair Yours $300.00
    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 $87.78
    $87.78
    Repair Yours $300.00
    WESTINGHOUSE 289B432A15

    WESTINGHOUSE

    289B432A15

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, 2-6 AMP, 1 PHASE, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $145.97
    $145.97
    Repair Yours $300.00
    ALTECH CORP GFR4D20030

    ALTECH CORP

    GFR4D20030

    EGFP+OL, 20A/480Y/277V AC, 30MA, D TRIP, 3POLE+N,50/60HZ UL1053
    ✓ IN STOCK!
    $252.00 Buy Surplus As Low As $192.00
    $192.00
    GENERAL ELECTRIC MVAJ11D1BB0751A

    GENERAL ELECTRIC

    ALSTOM

    MVAJ11D1BB0751A

    DISCONTINUED BY MANUFACTURER, DISCONTINUED BY MANUFACTURE, TRIP AND CONTROL, RELAY, 110-125V
    ✓ IN STOCK!
    Buy Surplus As Low As $215.37
    $215.37
    Repair Yours $300.00
    LITTELFUSE 250A

    LITTELFUSE

    250A

    PHASE RELAY, DPDT, 190-480V, PANEL, PRODUCT RANGE:250A SERIES, PANEL MOUNT, SCREW TERMINATION, ROHS COMPLIANT
    ✓ IN STOCK!
    $348.83 Buy Surplus As Low As $209.29
    $209.29
    Repair Yours $300.00
    GENERAL ELECTRIC 12HFC21B2A

    GENERAL ELECTRIC

    12HFC21B2A

    DISCONTINUED BY MANUFACTURER, RELAY, OVERCURRENT, 2-50AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $146.75
    $146.75
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CB1A-R-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1A-R-24V

    AUTOMOTIVE RELAYS 20AMP 24VDC 1 FORM A
    ✓ IN STOCK!
    $6.06 Buy Surplus As Low As $3.64
    $3.64
    Repair Yours $300.00
    MATSUSHITA ELECTRIC CB1-T-R-12V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1-T-R-12V

    AUTOMOTIVE RELAY, HIGH POWER, SPDT, 40 AMP, 12 V, 85C 185F
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    Repair Yours Contact Us
    MATSUSHITA ELECTRIC CA1A-DC12V-A

    MATSUSHITA ELECTRIC

    AROMAT

    CA1A-DC12V-A

    CA RELAY
    ✓ IN STOCK!
    $123.30 Buy Surplus As Low As $73.98
    $73.98
    Repair Yours $300.00
    TIME MARK CORP 253

    TIME MARK CORP

    253

    REVERSE PHASE RELAY, MODEL 253, SOLID-STATE, 3 PHASE, 208-480 VAC, SPDT, 8-PIN, SOCKET MOUNT, LED INDICATOR, CSA / UL
    ✓ IN STOCK!
    $149.94 Buy New $149.94
    $71.40
    ASEA BROWN BOVERI 1963190

    ASEA BROWN BOVERI

    1963190

    ABB, 1963190, SV VOLTAGE RELAY, 120VAC, 60HZ, SETTINGS 70-150
    ✓ IN STOCK!
    $785.71 Buy Surplus As Low As $302.12
    $302.12
    Repair Yours $300.00
    GENERAL ELECTRIC 12HGA14ALS

    GENERAL ELECTRIC

    12HGA14ALS

    AUXILARY RELAY, 125VDC, 4 SECOND
    ✓ IN STOCK!
    $156.22 Buy Surplus As Low As $65.13
    $65.13
    Repair Yours $300.00
    CR MAGNETICS CR4395-EL-240-330-C-CD-ELR-I

    CR MAGNETICS

    CR4395-EL-240-330-C-CD-ELR-I

    AC CURRENT SENSING RELAY, SUPPLY VOLTAGE 240 VAC, TRIP RANGE- 3.0 TO 30 AAC, TRIP ON DELAY - .1 TO 1 SEC, CALIBRATED DIAL, INTERNAL TRANSFORMER
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $109.29
    CR MAGNETICS CR4395-EL-120-110-A-CD-ELR-I

    CR MAGNETICS

    CR4395-EL-120-110-A-CD-ELR-I

    AC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, 50 - 400 HZ FREQ RANGE, 120 VAC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, 0.5 - 6 SECOND ADJUSTABLE TIME DELAY, 1 - 10 AAC ...
    ✓ IN STOCK!
    $120.00 Buy New $120.00
    $72.00
    Repair Yours Contact Us
    LITTELFUSE 201A

    LITTELFUSE

    201A

    PROTECTION RELAY, MOTORSAVER, PHASE LOSS DETECTION, REVERSE PHASE, 3 PHASE, 190/480 VAC, 50/60 HZ, 8-PIN PLUG-IN, SPDT OUTPUT, (REPLACES SYMCOM 201A)
    ✓ IN STOCK!
    $177.48 Buy Surplus As Low As $117.07
    $117.07
    ASEA BROWN BOVERI CM-EFS.2S

    ASEA BROWN BOVERI

    CM-EFS.2S

    VOLTAGE MONITORING RELAY, 24-240VAC, SPDT, 4A @ 250V, SCREW TERMINAL, CM SERIES
    ✓ IN STOCK!
    $601.67 Buy Surplus As Low As $457.27
    $457.27
    Repair Yours $300.00
    DOLD BA 9043/001 3AC 50/60HZ 400V

    DOLD

    BA 9043/001 3AC 50/60HZ 400V

    RELAY, VOLTAGE SENSING, DPDT, 400VAC; PRODUCT RANGE:BA 9043 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:3A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:230VAC; RELAY TERMINALS:SCREW ...
    ✓ IN STOCK!
    $288.00 Buy Surplus As Low As $129.26
    $129.26
    Repair Yours $300.00
    GENERAL ELECTRIC 12HAA15H1F

    GENERAL ELECTRIC

    12HAA15H1F

    AUXILIARY RELAY, 24VDC,AVAILABLE, SURPLUS, NEVER USED, 2 YEAR RADWELL WARRANTY
    ✓ IN STOCK!
    Buy Surplus As Low As $391.63
    $391.63
    Repair Yours $402.54
    MOTOR PROTECTION ELEC. INC 002-480-123

    MOTOR PROTECTION ELEC. INC

    002-480-123

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR , SUGGESTED REPLACEMENT IS 001-DVM-DR
    ✓ IN STOCK!
    Buy Surplus As Low As $88.00
    $88.00
    Repair Yours $300.00
    CR MAGNETICS CR4395-EH-120-110-A-CD-ELR-I

    CR MAGNETICS

    CR4395-EH-120-110-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, 1 - 10 AAC ...
    ✓ IN STOCK!
    $126.00 Buy New $126.00
    $72.00
    Repair Yours Contact Us
    ASEA BROWN BOVERI WLM645A5S

    ASEA BROWN BOVERI

    SSAC

    WLM645A5S

    SSAC, ASEA BROWN BOVERI, WLM645A5S, VOLTAGE MONITOR THREE PHASE, 200/240VAC, 5SEC TRIP DELAY
    ✓ IN STOCK!
    $162.66 Buy Surplus As Low As $79.62
    $79.62
    Repair Yours $300.00
    ASEA BROWN BOVERI TVM480A51S6S

    ASEA BROWN BOVERI

    TVM480A51S6S

    3 PHASE MONITOR, 480VAC, TRIP 1 SEC, RESTART 6 SEC, UNB 5%
    ✓ IN STOCK!
    $202.87 Buy Surplus As Low As $74.76
    $74.76
    ASEA BROWN BOVERI KVM6

    ASEA BROWN BOVERI

    SSAC

    KVM6

    SINGLE PHASE VOLTAGE MONITOR RELAY, 5 STRAIGHT BLADES, ADJUSTMENT RANGE: 156-199 VAC, OUTPUT: 230 VAC, RATING: 8 A, 1/3 HP
    ✓ IN STOCK!
    $147.03 Buy Surplus As Low As $57.17
    $57.17
    Repair Yours $300.00
    ASEA BROWN BOVERI HLMUDNAAN

    ASEA BROWN BOVERI

    SSAC

    HLMUDNAAN

    VOLTAGE MONITOR, HLM SERIES, 3 PHASE
    ✓ IN STOCK!
    $294.38 Buy Surplus As Low As $176.00
    $176.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR450065R0000

    ASEA BROWN BOVERI

    1SVR450065R0000

    EARTH-LEAKAGE MONITORING RELAY, 24-240VDC, 10-110KOHM ADJUSTABLE, 4A, 6A FAST BLOW FUSE, LED INDICATORS, SCREW CLAMP TERMINALS, DIN-RAIL MOUNTED
    ✓ IN STOCK!
    $223.50 Buy Surplus As Low As $134.10
    $134.10
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR450423R0600

    ASEA BROWN BOVERI

    1SVR450423R0600

    DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
    ✓ IN STOCK!
    Buy Surplus As Low As $336.00
    $336.00
    Repair Yours $300.00
    TIME MARK CORP A246

    TIME MARK CORP

    A246

    3-PHASE-MONITORS,120VAC, SIZE 3.8IN X 1.95IN X 1.95IN
    ✓ IN STOCK!
    $119.00 Buy New $119.00
    $50.00
    Repair Yours $300.00
    GOTRONIC 513100

    GOTRONIC

    513100

    POWER LINE MONITOR, 10 AMP, 240 VAC, 50/60 HZ, 1/10 HP, 4-5 SECOND
    ✓ IN STOCK!
    Buy Surplus As Low As $157.78
    $157.78
    Repair Yours $300.00
    EATON CORPORATION AR420I

    EATON CORPORATION

    CUTLER HAMMER

    AR420I

    4 POLE AR RELAY WITH 2 N/O CARTRIDGES. 24 VAC COIL
    ✓ IN STOCK!
    $177.54 Buy Surplus As Low As $106.52
    $106.52
    Repair Yours $300.00
    TIME MARK CORP 20

    TIME MARK CORP

    20

    3-PHASE-MONITORS,WITH TRIP AND RESTART DELAYS, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN
    ✓ IN STOCK!
    $154.00 Buy New $154.00
    $76.00
    Repair Yours Contact Us
    TELE CONTROLS G2PM400VSY20 24-240VAC/DC

    TELE CONTROLS

    G2PM400VSY20 24-240VAC/DC

    VOLTAGE MONITORING RELAY, GAMMA SERIES, DPDT, 3 AMP, ZOOM VOLTAGE 24 TO 240 VAC/DC, SCREW TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    $290.00 Buy New $290.00
    $221.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 69326-2R

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    69326-2R

    RELAY, POWER TYPE, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $19.80
    $19.80
    MARSH BELLOFRAM VBA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-ALA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $573.72 Buy New $573.72
    $436.03
    Repair Yours $300.00
    MARSH BELLOFRAM VBA-208-AFN

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-AFN

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    $793.47 Buy New $793.47
    $476.08
    Repair Yours $327.00
    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
    ✓ IN STOCK!
    $420.55 Buy New $420.55
    $252.33
    Repair Yours $300.00
    GENERAL ELECTRIC 12CAP15A2A

    GENERAL ELECTRIC

    12CAP15A2A

    DISCONTINUED BY MANUFACTURER, RELAY, VOLTAGE OVERCURRENT, 115V, 5AMP, 3PHASE, 60 CYCLES
    ✓ IN STOCK!
    Buy Surplus As Low As $378.00
    $378.00
    Repair Yours $349.00
    GENERAL ELECTRIC 12HFA53K92H

    GENERAL ELECTRIC

    12HFA53K92H

    RELAY, VOLTAGE OVERCURRENT, 250V
    ✓ IN STOCK!
    $700.00 Buy Surplus As Low As $420.00
    $420.00
    Repair Yours $349.00
    BOLTSWITCH INC PND-208

    BOLTSWITCH INC

    PND-208

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, LCD DISPLAY, 208 V, 3-PHASE, 30A CONTACT RATING, FIXED TIME DELAY: 1-1/2 SECONDS, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $114.70
    $114.70
    Repair Yours $300.00
    CEE ITV 7164

    CEE

    ITV 7164

    DISCONTINUED BY MANUFACTURER, PROTECTION RELAY, 5 AMP, 110 V, 50/60 HZ, SUGGESTED REPLACEMENT ITV7166
    ✓ IN STOCK!
    Buy Surplus As Low As $494.98
    $494.98
    Repair Yours $410.83
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