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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 351-400 of 838.
    WESTINGHOUSE 1293C47G12

    WESTINGHOUSE

    1293C47G12

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, (P/N 255P156H06C), .125 AMPS, 120 VAC, 50/60 HZ, 28-125 VDC OUTPUT, 255P156H06C
    ✓ IN STOCK!
    Buy Surplus As Low As $315.82
    $315.82
    WEG RPW-FSF-Z34

    WEG

    RPW-FSF-Z34

    PHASE LOSS & PHASE SEQUENCE RELAY 220/240V 50/60HZ
    ✓ IN STOCK!
    $62.84 Buy Surplus As Low As $34.24
    $34.24
    Repair Yours $300.00
    BENDER UG-143-P

    BENDER

    UG-143-P

    DISCONTINUED BY MANUFACTURER, EARTH FAULT RELAY, 5 AMP, 250 VAC, 24 VDC, 25 K OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $90.00
    $90.00
    EATON CORPORATION D3PR3P1

    EATON CORPORATION

    CUTLER HAMMER

    D3PR3P1

    RELAY, 3PDT W/TEST BUTTON , D3PR3P1
    ✓ IN STOCK!
    $3.72 Buy Surplus As Low As $2.23
    $2.23
    INVENSYS FBM207B

    INVENSYS

    FOXBORO

    FBM207B

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, CONTACT SENSE INPUT MODULE, CHANNEL ISOLATION, 16-CHANNEL, 24 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $270.74
    $270.74
    Repair Yours $300.00
    TIME MARK CORP 274-5-240-M

    TIME MARK CORP

    274-5-240-M

    CURRENT-MONITORS, 3-PHASE OVER CURRENT MONITOR, 1 - 5A, 240VAC, SIZE 6.06IN X 3.88IN X 2.08IN
    ✓ IN STOCK!
    $328.65 Buy New $328.65
    $139.32
    Repair Yours $300.00
    TIME MARK CORP 2629

    TIME MARK CORP

    2629

    VOLTAGE FREQUENCY MONITOR, OVER OR UNDER VOLTAGE MONITOR, 15-260 VAC/VDC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    $215.00 Buy New $215.00
    $109.20
    Repair Yours $300.00
    TIME MARK CORP EX263

    TIME MARK CORP

    EX263

    3-PHASE-MONITORS,380VAC,50 HZ, SIZE 6.06IN X 3.88IN X 2.08IN
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $40.49
    Repair Yours $300.00
    TIME MARK CORP A263

    TIME MARK CORP

    A263

    3-PHASE-MONITORS,120VAC, SIZE 6.06IN X 3.88IN X 2.08IN
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $87.00
    Repair Yours $300.00
    SIEMENS 3UG4625-1CW30

    SIEMENS

    3UG4625-1CW30

    MONITORING RELAY, DIGITAL, FOR RESIDUAL CURRENT MONITORING, 0.03-4 AMP, 24-240 VAC/DC, 50/60 HZ, 2 CHANGE OVER CONTACTS, SCREW TYPE TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    $429.98 Buy Surplus As Low As $180.02
    $180.02
    Repair Yours $300.00
    INGERSOLL RAND RLY1237

    INGERSOLL RAND

    TRANE

    RLY1237

    TRANE RELAYS, SWITCH AND LIMIT CONTROLS, 12/8A @125/250V, 24 VAC COIL
    ✓ IN STOCK!
    $154.41 Buy Surplus As Low As $82.49
    $82.49
    Repair Yours $300.00
    INGERSOLL RAND RLY1097

    INGERSOLL RAND

    TRANE

    RLY1097

    DISCONTINUED BY MANUFACTURER, START RELAY, SPST 35 AMP, REPLACES RLY1097, HVAC PARTS, SAME AS 3ARR3-J4A4, B100201P06,RLY1097,RLY-01097,RLY3715
    ✓ IN STOCK!
    Buy Surplus As Low As $60.00
    $60.00
    INGERSOLL RAND RLY0983

    INGERSOLL RAND

    TRANE

    RLY0983

    PILOT CONTROL RELAY, 120 VOLT AC, 50/60 HZ, 24 VOLT COIL, 6 BLADE STYLE CONNECTIONS
    ✓ IN STOCK!
    $67.00 Buy Surplus As Low As $36.00
    $36.00
    Repair Yours $300.00
    INGERSOLL RAND CNT0695

    INGERSOLL RAND

    TRANE

    CNT0695

    CONTROL RELAY
    ✓ IN STOCK!
    $140.21 Buy Surplus As Low As $106.56
    $106.56
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR730774R1300

    ASEA BROWN BOVERI

    1SVR730774R1300

    (PRICE/EA) CM-PAS.31S THREE-PHASE MON. , 1SVR730774R1300
    ✓ IN STOCK!
    $380.00 Buy Surplus As Low As $133.27
    $133.27
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR730824R9300

    ASEA BROWN BOVERI

    1SVR730824R9300

    PHASE MONITOR RELAY, PHASE FAILURE DETECTION, 3 PHASE, SPDT, DIN RAIL MOUNT, 4 AMP, SCREW TERMINATION, 200-500 VAC, ROHS COMPLIANT
    ✓ IN STOCK!
    $201.60 Buy Surplus As Low As $107.00
    $107.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR730841R1500

    ASEA BROWN BOVERI

    1SVR730841R1500

    RELAY, CURRENT MONITORING, CM-SRS.22S , 1SVR730841R1500
    ✓ IN STOCK!
    $400.79 Buy Surplus As Low As $243.94
    $243.94
    Repair Yours $300.00
    WIELAND SAP-1002

    WIELAND

    SCHLEICHER

    SAP-1002

    PHASE FAILURE MONITORING RELAY, 380-415VAC, 3AC, 50/60HZ
    ✓ IN STOCK!
    $133.00 Buy Surplus As Low As $67.00
    $67.00
    Repair Yours $300.00
    EATON CORPORATION PFR-WMA-105

    EATON CORPORATION

    MOELLER ELECTRIC

    PFR-WMA-105

    MOELLER PFR-WMA-105 MAGNETIC SCREEN
    ✓ IN STOCK!
    $354.00 Buy Surplus As Low As $270.00
    $270.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR750488R8300

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR750488R8300

    3-PHASE MULTI-FUNCTIONAL MONITORING RELAY WITH SELECTABLE TRIP DELAY, 450 TO 720 VAC, 2 TO 4 A, 2CO-SPDT CONTACT, 450 TO 720 VAC V COIL
    ✓ IN STOCK!
    $652.58 Buy Surplus As Low As $347.40
    $347.40
    Repair Yours $300.00
    TIME MARK CORP D263

    TIME MARK CORP

    D263

    POWER MONITOR, 3-PHASE, 575 VAC 60 HZ NOMINAL, 450-575 VAC ADJUST RANGE, 10/15 AMP
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $111.00
    PEPPERL & FUCHS KHU8-DW-1.D

    PEPPERL & FUCHS

    KHU8-DW-1.D

    DISCONTINUED BY MANUFACTURER, ROTATION SPEED MONITOR, 5KHZ, 1 PRE-SELECT VALUE WITH RELAY OUTPUT AND LED INDICATOR, MULTI-RANGE POWER PACK, 2-, 3-, 4-WIRE AND NAMUR SENSORS AS WELL AS ROTARY ...
    ✓ IN STOCK!
    Buy Surplus As Low As $347.46
    $347.46
    Repair Yours $300.00
    SIEMENS 3RH1440-1BB40

    SIEMENS

    3RH1440-1BB40

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY,4NO,24VDC COIL,LATCHED
    ✓ IN STOCK!
    Buy Surplus As Low As $137.15
    $137.15
    Repair Yours $300.00
    SIEMENS 3RH1140-1AB00

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1140-1AB00

    DISCONTINUED BY MANUFACTURER, POWER CONTACTOR, 6AMP, 24VAC, 50-60HZ, 230V, 4NO COIL, SIZE S00, SCREW TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $69.91
    $69.91
    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 $230.79
    $230.79
    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!
    $72.45 Buy Surplus As Low As $46.20
    $46.20
    Repair Yours $300.00
    SIEMENS 3TX7114-5LF13

    SIEMENS

    3TX7114-5LF13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 15A, 120VAC
    ✓ IN STOCK!
    $48.00 Buy Surplus As Low As $32.85
    $32.85
    Repair Yours $300.00
    R-K ELECTRONICS TVM-200-20

    R-K ELECTRONICS

    TVM-200-20

    UNDER & OVER VOLTAGE 3 PHASE VOLTAGE MONITOR, UNDERVOLTAGE - OVER VOLTAGE - PHASE LOSS - PHASE ROTATION, ADJUSTABLE 200 TO 250VAC 3Ø, 10PCT, 0.5 SECOND PICK-UP & DROP-OUT DELAY, 8-PIN BASE, ...
    ✓ IN STOCK!
    $146.88 Buy New $146.88
    $97.92
    Repair Yours $300.00
    SIEMENS 3TX7127-3HC00

    SIEMENS

    3TX7127-3HC00

    DC OPERATED. CONTACT CONFIGURATION 4PDT. CONTACT VOLTAGE 240 VAC 28 VDC. CONTACT CURRENT 3 AMPERE. COIL VOLTAGE 24 VDC. QUICK CONNECT TERMINAL. PILOT LIGHT IN MOUNTING. APPROVAL UL (CANADA A ...
    ✓ IN STOCK!
    $218.00 Buy Surplus As Low As $116.10
    $116.10
    Repair Yours $300.00
    R-K ELECTRONICS MVPL-120A-A1C

    R-K ELECTRONICS

    MVPL-120A-A1C

    MULTI-RANGE 3 PHASE VOLTAGE MONITOR (200 TO 240VAC, 1Ø AND 200 TO 480VAC, 3Ø), 120VAC SUPPLY, 8-PIN BASE, SPDT, CONTACTS, SOCKET & HOLDDOWN INCLUDED
    ✓ IN STOCK!
    $268.00 Buy New $268.00
    $161.00
    Repair Yours $300.00
    SIEMENS 5TT3400

    SIEMENS

    5TT3400

    VOLTAGE RELAY, T5570 AC 230/400V, 1CO 0.7/0.9, WITH TRANSPARENT CAP , 5TT3400
    ✓ IN STOCK!
    $80.00 Buy Surplus As Low As $61.00
    $61.00
    Repair Yours $300.00
    SIEMENS 3TX7015-1BF02

    SIEMENS

    3TX7015-1BF02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, 1CO CONTACT, SPRING-TYPE TERMINAL, 230V AC/DC, 50HZ, 1W
    ✓ IN STOCK!
    $70.00 Buy Surplus As Low As $24.66
    $24.66
    Repair Yours $300.00
    SIEMENS 3TX7015-1BF00

    SIEMENS

    3TX7015-1BF00

    DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER, SERIES 3TX, W/ PLUG-IN RELAY, SINGLE CHANGEOVER CONTACT, 1-3AMP, 24-230V AC/DC, 50HZ, 1W POWER RATING, SPRING-TYPE TERMINAL, 6.2MM HOUSING WIDTH ...
    ✓ IN STOCK!
    $85.00 Buy Surplus As Low As $25.12
    $25.12
    SIEMENS 3TK20400AK6

    SIEMENS

    3TK20400AK6

    MINIATURE POWER RELAY, SCREW TERMINALS, 4NO, SNAP-ON MOUNTING, STANDARD MOUNTING RAIL, AC OPERATION, 120VAC AT 60HZ, 110VAC AT 50HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $165.00
    $165.00
    Repair Yours $300.00
    MACROMATIC PAP208

    MACROMATIC

    PAP208

    RELAY, 3 PH, SPDT, 156VAC, 198VAC; PRODUCT RANGE:PAP SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MAX:277V ...
    ✓ IN STOCK!
    $126.00 Buy New $126.00
    $96.00
    Repair Yours $300.00
    GENERAL ELECTRIC 12IFC77A1A

    GENERAL ELECTRIC

    12IFC77A1A

    DISCONTINUED BY MANUFACTURER, RELAY OVERCURRENT, INVERSE, 50/60 HZ, 1 - 12 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $336.72
    $336.72
    Repair Yours $352.87
    R-K ELECTRONICS PRSL-300-1.5

    R-K ELECTRONICS

    PRSL-300-1.5

    PHASE REVERSAL RELAY ONLY, 380 TO 415VAC 3Ø, 50/60 HZ, DPDT 240VAC CONTACTS, 1.5 SECOND TRIP TIME, SCREW TERMINALS, SURFACE MOUNTING
    ✓ IN STOCK!
    $279.00 Buy New $279.00
    $160.56
    Repair Yours $300.00
    R-K ELECTRONICS PRSL-400-1.5

    R-K ELECTRONICS

    PRSL-400-1.5

    PHASE REVERSAL RELAY ONLY, 440 TO 480VAC 3Ø, 50/60 HZ, DPDT 240VAC CONTACTS, 1.5 SECOND TRIP TIME, SCREW TERMINALS, SURFACE MOUNTING
    ✓ IN STOCK!
    $288.00 Buy New $288.00
    $191.00
    Repair Yours $300.00
    R-K ELECTRONICS PVCO-400-MR

    R-K ELECTRONICS

    PVCO-400-MR

    3 PHASE 440-480VAC MAN. RESET
    ✓ IN STOCK!
    $198.00 Buy New $198.00
    $151.00
    Repair Yours $300.00
    DEIF RMV-112D-DELTA-220VAC-ND+ND-220VAC

    DEIF

    RMV-112D-DELTA-220VAC-ND+ND-220VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 220/127V, MODULE: 220V, SUPPLY: 220VAC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
    ✓ IN STOCK!
    $754.41 Buy Surplus As Low As $227.09
    $227.09
    Repair Yours $300.00
    WESTINGHOUSE 1956071

    WESTINGHOUSE

    1956071

    DISCONTINUED BY MANUFACTURER, RELAY, 0.50/1 AMP, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $241.61
    $241.61
    Repair Yours $300.00
    WESTINGHOUSE 1875510

    WESTINGHOUSE

    1875510

    DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, TYPE CV-4, VOLTAGE UNIT, 0.2/2 AMP, 120V AC, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $211.81
    $211.81
    Repair Yours $200.00
    EATON CORPORATION D64RB9

    EATON CORPORATION

    CUTLER HAMMER

    D64RB9

    DISCONTINUED BY MANUFACTURER, RELAY, GROUND FAULT PROTECTION, 8 AMP, 24-250 VAC/DC, TEST / RESET, W/ TRIP
    ✓ IN STOCK!
    Buy Surplus As Low As $436.05
    $436.05
    Repair Yours $300.93
    ASEA BROWN BOVERI CM-PVE

    ASEA BROWN BOVERI

    CM-PVE

    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, (1SVR550870R9400)
    ✓ IN STOCK!
    $119.00 Buy Surplus As Low As $72.00
    $72.00
    CR MAGNETICS CR4395-EH-120-110-A-CD

    CR MAGNETICS

    CR4395-EH-120-110-A-CD

    DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, TIME DELAY: .5-6SEC, TRIP RANGE: 1-10ACA, SUPPLY: 120 +/-10% VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $56.50
    $56.50
    ASEA BROWN BOVERI 411T4175-HF

    ASEA BROWN BOVERI

    411T4175-HF

    DISCONTINUED BY MANUFACTURER, RELAY, UNDERVOLTAGE PHASE SEQUENCE, 27N TYPE, CIRCUIT SHIELD, DEFINITE CURVE, 0-10 SECOND, 2-C, SINGLE PHASE, 60-110V TAP RANGE, 150V MAX, 50/60 HZ, CONTROL 48/ ...
    ✓ IN STOCK!
    Buy Surplus As Low As $385.00
    $385.00
    Repair Yours $319.55
    AREVA VAJHM53SF147D/M

    AREVA

    VAJHM53SF147D/M

    DISCONTINUED BY MANUFACTURER, TRIPPING RELAY, TYPE VAJ, 110 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $85.02
    $85.02
    MARSH BELLOFRAM SAL-575-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SAL-575-ALE

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR, 575 V AC, 50/60 HZ, 3 A, 600 V AC RES. RATED CONTACTS, LED INDICATOR, SCREW CLAMP TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $142.17
    $142.17
    Repair Yours $300.00
    GENERAL ELECTRIC 12HGA18L2A

    GENERAL ELECTRIC

    12HGA18L2A

    DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY, 125 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $240.92
    $240.92
    Repair Yours $300.00
    TELE CONTROLS G2JM5AL20

    TELE CONTROLS

    G2JM5AL20

    CURRENT MONITORING RELAY, OVERLOAD, 3-PH, 5A AC/DC RANGE, MULTIFUNCTION, 2 CO, DPDT, LED INDICATORS, SUPPLY VOLTAGE VIA TR2 MODULES, FOR USE WITH 5A CURRENT TRANSFORMERS
    ✓ IN STOCK!
    $412.34 Buy New $412.34
    $273.11
    Repair Yours $300.00
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