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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 1-50 of 436.
    ALLEN BRADLEY 809-A16E

    ALLEN BRADLEY

    809-A16E

    DISCONTINUED BY MANUFACTURER 11/30/2009, CURRENT RELAY, INSTANTANEOUS TRIP, 100 AMP COIL CURRENT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,838.00
    $2,838.00
    Repair Yours $2,356.00
    SIEMENS 3RH1140-2BB40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1140-2BB40

    DISCONTINUED BY MANUFACTURER, RELAY CONTROL, 6AMP, 24VDC, 4NO W/CAGE CLAMP TERMINAL, SUCCESSOR 3RH2140-2BB40
    ✓ IN STOCK!
    $380.62 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    SIEMENS 3RH1122-1BG40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1122-1BG40

    DISCONTINUED BY MANUFACTURER, CONTACTOR RELAY, 2N0 + 2NC, 125VDC, SCREW TERMINAL, SIZE S00, REPLACED BY 3RH2122-1BG40
    ✓ IN STOCK!
    Buy Surplus As Low As $129.00
    $129.00
    ALLEN BRADLEY 1409-EOBD

    ALLEN BRADLEY

    1409-EOBD

    DISCONTINUED BY MANUFACTURER 09/30/2016, ARCING GROUND FAULT DETECTION SYSTEM, NEMA, 460 VAC, 124 AMP, ARCING GF RELAY, CLASS II WITH HIGH CURRENT INHIBIT FEATURE
    ✓ IN STOCK!
    Buy Surplus As Low As $3,195.00
    $3,195.00
    Repair Yours $2,411.00
    ALLEN BRADLEY 810-A05A

    ALLEN BRADLEY

    810-A05A

    DISCONTINUED BY MANUFACTURER 02/28/2010, CURRENT RELAY, INVERSE TIME-DELAY, 9 AMP MAX, CONTINUOUS, 1 NORMALLY CLOSED OUTPUT, AUTOMATIC RESET, WITH BLUE DASHPOT FLUID
    ✓ IN STOCK!
    Buy Surplus As Low As $1,980.00
    $1,980.00
    Repair Yours $1,644.00
    SIEMENS 3TX7112-1LF13

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7112-1LF13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN OCTAL BASE, DPDT, 10 AMP, 120 VAC
    ✓ IN STOCK!
    $54.00 Buy Surplus As Low As $33.00
    $33.00
    Repair Yours $200.00
    SIEMENS 3RH1122-1AP60

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1122-1AP60

    DISCONTINUED BY MANUFACTURER, RELAY, 6AMP, 2NO + 2NC, 240VAC, 50/60HZ, SUCCESSOR 3RH2122-1AP60
    ✓ IN STOCK!
    Buy Surplus As Low As $198.00 $99.00
    $198.00 $99.00
    SIEMENS 3RH1440-1BB40

    SIEMENS

    3RH1440-1BB40

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY,4NO,24VDC COIL,LATCHED
    ✓ IN STOCK!
    Buy Surplus As Low As $988.00
    $988.00
    Repair Yours $648.00
    SIEMENS 3UF7103-1AA00-0

    SIEMENS

    3UF7103-1AA00-0

    CURRENT MEASURING MODULE, 20-200 AMP SET CURRENT, 120 MM OVERALL WIDTH, STRAIGHT-THROUGH TRANSFORMER
    ✓ IN STOCK!
    $829.00 Buy Surplus As Low As $498.00
    $498.00
    Repair Yours $414.00
    SIEMENS 3UF7111-1AA00-0

    SIEMENS

    FURNAS ELECTRIC CO

    3UF7111-1AA00-0

    DISCONTINUED BY MANUFACTURER 12/01/2021, CURRENT/VOLTAGE MEASURING MODULE, SIMOCODE PRO, 2.4-25 AMP, DETECTION UP TO 690V, OVERALL WIDTH 45 MM, STRAIGHT-THROUGH TRANSFORMER, REPLACED BY 3UF7 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,176.00
    $1,176.00
    Repair Yours $977.00
    SIEMENS 3UF7100-1AA00-0

    SIEMENS

    3UF7100-1AA00-0

    SIMOCODE PRO CUR MEAS. MODULE,0.3-3A, N7G, CONTROLS - SIMOCODE 3UF50 OVRLD
    ✓ IN STOCK!
    $377.00 Buy Surplus As Low As $227.00
    $227.00
    Repair Yours $200.00
    SIEMENS 3TX7126-3HB10

    SIEMENS

    3TX7126-3HB10

    DISCONTINUED BY MANUFACTURER, PLUG-IN RELAY, SIMIREL MINIATURE BASE 4PDT, 3A, 12VAC
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    SIEMENS 3UG4622-1AA30

    SIEMENS

    3UG4622-1AA30

    DIGITAL MONITORING RELAY, 21 TO 26V AC/DC, ADJ 0.05 TO 10.00A, 3A @ 250/400V, TERMINAL STRIP
    ✓ IN STOCK!
    $240.00 Buy Surplus As Low As $144.00
    $144.00
    Repair Yours $200.00
    SIEMENS 3UG4617-1CR20

    SIEMENS

    3UG4617-1CR20

    MONITORING RELAY, DIGITAL, LCD DISPLAY, 0-20 S OFF DELAY, 3-PHASE, 160-690 V, 50/60 HZ, IP20, (SUCCESSOR: 3UG5618-1CR20)
    ✓ IN STOCK!
    $338.00 Buy Surplus As Low As $227.00
    $227.00
    Repair Yours $200.00
    SIEMENS 3TX7110-5BF13C

    SIEMENS

    3TX7110-5BF13C

    PLUG-IN RELAY, BASIC 5-PIN, SQUARE BASE SPDT, 15A, 120VAC, USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    $23.00 Buy Surplus As Low As $14.00
    $14.00
    Repair Yours $200.00
    SIEMENS 3TX7110-5JG13

    SIEMENS

    3TX7110-5JG13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 230VAC, USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    $34.00 Buy Surplus As Low As $21.00
    $21.00
    Repair Yours $200.00
    SIEMENS 3TX7130-0DF13

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7130-0DF13

    OPEN POWER RELAY, HEAVY DUTY DPDT, 40A, 120VAC, OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    $153.00 Buy Surplus As Low As $92.00
    $92.00
    Repair Yours $200.00
    SIEMENS 3TX7130-0BF13

    SIEMENS

    3TX7130-0BF13

    OPEN POWER RELAY, HEAVY DUTY SPST, 40A, 120VAC, OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    $76.00 Buy Surplus As Low As $58.00
    $58.00
    Repair Yours $200.00
    SIEMENS 3TX7112-1LC03

    SIEMENS

    3TX7112-1LC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, OCTAL BASE DPDT, 10A, 24VDC, USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
    ✓ IN STOCK!
    $54.00 Buy Surplus As Low As $20.12
    $20.12
    Repair Yours $200.00
    SIEMENS 3TX7114-5LC03

    SIEMENS

    3TX7114-5LC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 15A, 24VDC, USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6
    ✓ IN STOCK!
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    Repair Yours $200.00
    SIEMENS 3TX7110-5JF13

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7110-5JF13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 120VAC, USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    $26.00 Buy Surplus As Low As $14.00
    $14.00
    SIEMENS 3RH1140-1BG40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1140-1BG40

    DISCONTINUED BY MANUFACTURER, CONTACTOR RELAY, 4-NORMALLY OPEN CONTACTS, 125 VDC, TERMINAL SIZE S00, SUGGESTED REPLACEMENT IS 3RH2140-1BG40
    ✓ IN STOCK!
    Buy Surplus As Low As $312.00 $205.00
    $312.00 $205.00
    SIEMENS 3RH1122-1KB40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1122-1KB40

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 2NO/2NC, 24 V DC, EXTENDED COIL
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    GENERAL ELECTRIC 12HFA51A41F

    GENERAL ELECTRIC

    12HFA51A41F

    DISCONTINUED BY MANUFACTURER, RELAY, SELF RESET, MULTICONTACT AUXILLARY
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    ASEA BROWN BOVERI TVM480A51S6S

    ASEA BROWN BOVERI

    TVM480A51S6S

    3 PHASE MONITOR, 480VAC, TRIP 1 SEC, RESTART 6 SEC, UNB 5%
    ✓ IN STOCK!
    $297.00 Buy Surplus As Low As $152.15
    $152.15
    ASEA BROWN BOVERI PLMU11

    ASEA BROWN BOVERI

    SSAC

    PLMU11

    VOLTAGE MONITOR, 200/480V, 50/60HZ
    ✓ IN STOCK!
    $279.00 Buy Surplus As Low As $168.00
    $168.00
    Repair Yours $200.00
    ASEA BROWN BOVERI K6NCT-800

    ASEA BROWN BOVERI

    K6NCT-800

    NEUTRAL GND FAULT SENSOR 800A
    ✓ IN STOCK!
    $809.00 Buy Surplus As Low As $486.00
    $486.00
    Repair Yours $404.00
    EATON CORPORATION GFR12M

    EATON CORPORATION

    CUTLER HAMMER

    GFR12M

    (PRICE/EA) GFR MECHANICAL RESET WITHOUT ZONE INTERLOCKING 1-12 AMP
    ✓ IN STOCK!
    $4,182.00 Buy Surplus As Low As $2,510.00
    $2,510.00
    Repair Yours $2,084.00
    SIEMENS 3UG4501-1AW30

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4501-1AW30

    LIQUID LEVEL MONITOR, 5-100 KOHMS,120V, N75, CONTROLS - MONITORING 3UG3
    ✓ IN STOCK!
    $245.00 Buy Surplus As Low As $147.00
    $147.00
    Repair Yours $200.00
    SIEMENS 3TX7114-5DC13C

    SIEMENS

    3TX7114-5DC13C

    PLUG-IN RELAY, DPDT, 15A, 24VAC, N79, CONTROLS - PLUG-IN RELAY 3TX71
    ✓ IN STOCK!
    $30.00 Buy Surplus As Low As $18.00
    $18.00
    Repair Yours $200.00
    EATON CORPORATION D64RPB1

    EATON CORPORATION

    CUTLER HAMMER

    D64RPB1

    RELAY, GROUND FAULT PROTECTION, 8 AMP, 250 VAC
    ✓ IN STOCK!
    $734.00 Buy Surplus As Low As $374.85
    $374.85
    Repair Yours $311.13
    CARLO GAVAZZI DUB02CT23

    CARLO GAVAZZI

    DUB02CT23

    OVER/UNDER VOLTAGE RELAY, 1-PHASE TRUE RMS MONITORING RELAY, OVER OR UNDER VOLTAGE, 1 SPDT RELAY OUTPUT, IP20, DIN-RAIL MOUNTING, MEASURING RANGE 19.2 TO 275V AC/DC, POWER SUPPLY 24/115/230V ...
    ✓ IN STOCK!
    $159.00 Buy New $159.00
    $98.00
    Repair Yours $200.00
    CROUZET 84873026

    CROUZET

    84873026

    VOLTAGE MONITORING RELAY, 3 PHASE, 194-528 VAC VOLTAGE SENSING RANGE, 0.1-10S TIME DELAY, DPDT, LED STATUS INDICATION, DIN RAIL MOUNTING
    ✓ IN STOCK!
    $234.00 Buy New $234.00
    $149.00
    Repair Yours $200.00
    EATON CORPORATION GFR60M

    EATON CORPORATION

    CUTLER HAMMER

    GFR60M

    (PRICE/EA) TYPE GFR RELAY, 5-60A RATING, MECHANICAL RESET, NO ZONE
    ✓ IN STOCK!
    $4,605.00 Buy Surplus As Low As $2,348.55
    $2,348.55
    Repair Yours $1,949.30
    EATON CORPORATION GFR60MI

    EATON CORPORATION

    CUTLER HAMMER

    GFR60MI

    GROUND FAULT RELAY, MECHANICAL ZONE INTERLOCKING RESET, CONTROL POWER: 120 VAC AT .125 AMPS, 5 TO 60 AMP GROUND CURRENT, FLUSH MOUNTING, GFR SERIES, CLASS I
    ✓ IN STOCK!
    $6,745.00 Buy Surplus As Low As $4,357.95
    $4,357.95
    Repair Yours $2,687.21
    GENERAL ELECTRIC DS3845LT3A1A1

    GENERAL ELECTRIC

    DS3845LT3A1A1

    DISCONTINUED BY MANUFACTURER, LODTRACK III PROTECTION RELAY,
    ✓ IN STOCK!
    Buy Surplus As Low As $3,699.00
    $3,699.00
    Repair Yours $3,450.00
    HUBBELL GFSM120M

    HUBBELL

    GFSM120M

    DISCONTINUED BY MANUFACTURER, 120VAC SENSING MODULE MANUAL RESET
    Buy Surplus As Low As $123.00
    $123.00
    HUBBELL GFT2G

    HUBBELL

    GFT2G

    GFCI TESTER
    $347.00 Buy Surplus As Low As $209.00
    $209.00
    Repair Yours $200.00
    GENERAL ELECTRIC 12IFC77B1A

    GENERAL ELECTRIC

    12IFC77B1A

    DISCONTINUED BY MANUFACTURER, TIME OVERCURRENT RELAY, EXTREMELY INVERSE, 1-12 AMP, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $1,020.00
    $1,020.00
    Repair Yours $860.00
    SIEMENS 3RK3221-1AA10

    SIEMENS

    3RK3221-1AA10

    EXTENSION MODULE, 3RK3 SERIES, 24 VDC, 4 INPUTS / 2 OUTPUTS, FOR USE W/ SIRIUS 3RK3, DIN RAIL, SCREW TERMINAL, W/O CONNECTION CABLE
    ✓ IN STOCK!
    $815.00 Buy Surplus As Low As $489.00
    $489.00
    Repair Yours $406.00
    CARLO GAVAZZI DUB01CD48500V

    CARLO GAVAZZI

    DUB01CD48500V

    24/48V VOLTAGE LEVEL RELAY , 1-PHASE TRUE RMS MONITORING RELAY, OVER OR UNDER VOLTAGE, 1 SPDT RELAY OUTPUT, IP20, DIN-RAIL MOUNTING, MEASURING RANGE 2 TO 500V AC/DC, POWER SUPPLY 24 TO 48VAC ...
    ✓ IN STOCK!
    $183.00 Buy New $183.00
    $136.00
    Repair Yours $200.00
    MATSUSHITA ELECTRIC ST1-DC5V

    MATSUSHITA ELECTRIC

    PANASONIC

    ST1-DC5V

    POWER RELAY; RELAY TYPE:PCB; COIL VOLTAGE VDC NOM:5V; CONTACT CURRENT MAX:8A; CONTACT VOLTAGE AC NOM:380V; CONTACT VOLTAGE DC NOM:250V; COIL RESISTANC
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    MACROMATIC PMDU

    MACROMATIC

    PMDU

    PHASE MONITOR RELAY, 3-PHASE MONITOR RELAY, 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    $240.00 Buy New $240.00
    $120.00
    Repair Yours $200.00
    SIEMENS 3RH2122-2BB40

    SIEMENS

    3RH2122-2BB40

    CONTACTOR RELAY, 10 AMP, 24 VDC, 6 KV, 2NO + 2NC, SIZE: S00, SPRING-TYPE TERMINAL, IP20, SUCCESSOR FOR 3RH1122-2BB40
    ✓ IN STOCK!
    $155.00 Buy Surplus As Low As $94.00
    $94.00
    Repair Yours $200.00
    SIEMENS 3RR2141-2AA30

    SIEMENS

    3RR2141-2AA30

    MONITORING RELAY, CAN BE MOUNTED TO CONTACTOR 3RT2, SIZE S00 BASIC, ANALOG ADJUSTMENT APPARENT CURRENT MONITORING 1.6-16 A, 20-400 HZ, 2-PHASE SUPPLY 24 V AC/DC 1 CHANGE-OVER CONTACT MONITOR ...
    $272.00 Buy Surplus As Low As $164.00
    $164.00
    Repair Yours $200.00
    GENERAL ELECTRIC 12CEY52A2D

    GENERAL ELECTRIC

    12CEY52A2D

    MHO DISTANCE RELAY, LOSS EXCITATION, 120 VAC, 5 AMP, 60 CYCLES
    Buy Surplus As Low As $1,800.00
    $1,800.00
    Repair Yours $1,494.00
    ALLEN BRADLEY 1409-N3

    ALLEN BRADLEY

    1409-N3

    DISCONTINUED BY MANUFACTURER 09/30/2016, ARCING GROUND FAULT DETECTION SENSOR, NEMA5
    ✓ IN STOCK!
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $900.00
    ALLEN BRADLEY 809-A04E

    ALLEN BRADLEY

    809-A04E

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY, INSTANTANEOUS TRIP, 6 A MAXIMUM, CONTINUOUS, 1 NORMALLY OPEN OUTPUT, AUTOMATIC RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $700.70
    $700.70
    Repair Yours $539.00
    ALLEN BRADLEY 810-A04A

    ALLEN BRADLEY

    810-A04A

    DISCONTINUED BY MANUFACTURER (2010-02-27), MAGNETIC OVERLOAD RELAY, INVERSE TIME CURRENT RELAY, 6 AMP, NORMALLY CLOSED, OPEN TYPE, AUTO RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $1,092.00 $808.50
    $1,092.00 $808.50
    Repair Yours $924.00
    SIEMENS 3TX7111-3PF13

    SIEMENS

    3TX7111-3PF13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 14-PIN, SQUARE BASE 4PDT, 6A, 120VAC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    $39.00 Buy Surplus As Low As $24.00
    $24.00
    Repair Yours $200.00
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