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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 451-500 of 838.
    GOTRONIC 555100

    GOTRONIC

    555100

    DISCONTINUED BY MANUFACTURER, POWER LINE MONITOR, 480VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$570.85
    CAN$570.85
    Repair Yours CAN$377.45
    GOTRONIC 559100

    GOTRONIC

    559100

    POWER LINE MONITOR,120VAC,10AMP,4-5 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$163.61
    CAN$163.61
    Repair Yours CAN$360.00
    EATON CORPORATION 8137869B0

    EATON CORPORATION

    COOPER POWER

    8137869B0

    FAULT INDICATOR LINAM 800AMP 1.81IN OD 3Q97
    ✓ IN STOCK!
    CAN$37.67 Buy Surplus As Low As CAN$26.68
    CAN$26.68
    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 CAN$447.75
    CAN$447.75
    WEG RPW-FSF-Z34

    WEG

    RPW-FSF-Z34

    PHASE LOSS & PHASE SEQUENCE RELAY 220/240V 50/60HZ
    ✓ IN STOCK!
    CAN$87.35 Buy New CAN$87.35
    CAN$47.59
    Repair Yours Contact Us
    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 CAN$127.60
    CAN$127.60
    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 CAN$376.31
    CAN$376.31
    Repair Yours CAN$353.59
    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!
    CAN$262.28 Buy Surplus As Low As CAN$57.40
    CAN$57.40
    Repair Yours CAN$362.13
    TIME MARK CORP A263

    TIME MARK CORP

    A263

    3-PHASE-MONITORS,120VAC, SIZE 6.06IN X 3.88IN X 2.08IN
    ✓ IN STOCK!
    CAN$262.28 Buy Surplus As Low As CAN$123.34
    CAN$123.34
    Repair Yours CAN$358.90
    INGERSOLL RAND RLY1237

    INGERSOLL RAND

    TRANE

    RLY1237

    TRANE RELAYS, SWITCH AND LIMIT CONTROLS, 12/8A @125/250V, 24 VAC COIL
    ✓ IN STOCK!
    CAN$212.54 Buy Surplus As Low As CAN$116.95
    CAN$116.95
    Repair Yours CAN$355.91
    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 CAN$85.06
    CAN$85.06
    INGERSOLL RAND CNT0695

    INGERSOLL RAND

    TRANE

    CNT0695

    CONTROL RELAY
    ✓ IN STOCK!
    CAN$199.58 Buy Surplus As Low As CAN$117.67
    CAN$117.67
    Repair Yours CAN$357.16
    ASEA BROWN BOVERI 1SVR730774R1300

    ASEA BROWN BOVERI

    1SVR730774R1300

    (PRICE/EA) CM-PAS.31S THREE-PHASE MON. , 1SVR730774R1300
    ✓ IN STOCK!
    CAN$523.05 Buy Surplus As Low As CAN$188.94
    CAN$188.94
    Repair Yours CAN$357.16
    ASEA BROWN BOVERI 1SVR730841R1500

    ASEA BROWN BOVERI

    1SVR730841R1500

    RELAY, CURRENT MONITORING, CM-SRS.22S , 1SVR730841R1500
    ✓ IN STOCK!
    CAN$525.39 Buy Surplus As Low As CAN$329.37
    CAN$329.37
    Repair Yours CAN$360.00
    WIELAND SAP-1002

    WIELAND

    SCHLEICHER

    SAP-1002

    PHASE FAILURE MONITORING RELAY, 380-415VAC, 3AC, 50/60HZ
    ✓ IN STOCK!
    CAN$188.56 Buy Surplus As Low As CAN$94.99
    CAN$94.99
    Repair Yours CAN$361.24
    EATON CORPORATION PFR-WMA-105

    EATON CORPORATION

    MOELLER ELECTRIC

    PFR-WMA-105

    MOELLER PFR-WMA-105 MAGNETIC SCREEN
    ✓ IN STOCK!
    CAN$501.88 Buy Surplus As Low As CAN$382.79
    CAN$382.79
    Repair Yours CAN$250.00
    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!
    CAN$855.46 Buy Surplus As Low As CAN$469.07
    CAN$469.07
    Repair Yours CAN$357.16
    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!
    CAN$262.28 Buy Surplus As Low As CAN$157.37
    CAN$157.37
    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 CAN$492.61
    CAN$492.61
    Repair Yours CAN$357.16
    CROUZET DSR-12D

    CROUZET

    DSR-12D

    UNDERVOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 12 VDC, CAN BE REPLACED BY PN DSR110A. DIFFERENCE: 110V INPUT INSTEAD OF 12V. NEEDED: A DIFFERENT INPUT POWER IS NEEDED
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$69.47
    CAN$69.47
    Repair Yours CAN$360.00
    LOVATO 31-ASF380

    LOVATO

    31-ASF380

    RELAY PHASE SEQUENCE ASF 380/415VAC DIN 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$212.66
    CAN$212.66
    Repair Yours CAN$357.97
    TYCO 565-558

    TYCO

    SIMPLEXGRINNELL

    565-558

    4009 EARTH DETECT BOARD ASSEMBLY
    ✓ IN STOCK!
    CAN$59.54 Buy Surplus As Low As CAN$23.82
    CAN$23.82
    Repair Yours CAN$355.91
    SIEMENS 3UG4815-2AA40

    SIEMENS

    3UG4815-2AA40

    DIGITAL MONITORING RELAY 3-PHASE SUPPLY VOLTAGE FOR IO-LINK 50...60 HZ AC 3 X 160 TO 690 V PHASE SEQUENCE, PHASE FAILURE PHASE ASYMMETRY UNDERVOLTAGE AND OVERVOLTAGE HYSTERESIS 1-20 V LINE S ...
    ✓ IN STOCK!
    CAN$703.36 Buy Surplus As Low As CAN$551.50
    CAN$551.50
    Repair Yours CAN$355.50
    SIEMENS 3UG4832-2AA40

    SIEMENS

    3UG4832-2AA40

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FOR IO-LINK 10...600 V AC/DC OVERVOLTAGE AND UNDERVOLTAGE HYSTERESIS 0.1 TO 300 V ON-DELAY TIME TRIPPING DELAY TIME 1 CHANGE-OVER CONTACT ...
    ✓ IN STOCK!
    CAN$615.27 Buy Surplus As Low As CAN$399.80
    CAN$399.80
    Repair Yours CAN$353.54
    SIEMENS 3UG4832-1AA40

    SIEMENS

    3UG4832-1AA40

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FOR IO-LINK 10...600 V AC/DC OVERVOLTAGE AND UNDERVOLTAGE HYSTERESIS 0.1 TO 300 V ON-DELAY TIME TRIPPING DELAY TIME 1 CHANGE-OVER CONTACT ...
    ✓ IN STOCK!
    CAN$596.00 Buy Surplus As Low As CAN$392.71
    CAN$392.71
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI CM-MPS.41.S

    ASEA BROWN BOVERI

    CM-MPS.41.S

    MONITORING RELAY, 3 PHASE, 0.01-30S, 300-500 VAC, 50/60 HZ, 1SVR730884R3300
    ✓ IN STOCK!
    CAN$997.96 Buy Surplus As Low As CAN$493.40
    CAN$493.40
    Repair Yours CAN$360.00
    SIEMENS 5TT3400

    SIEMENS

    5TT3400

    VOLTAGE RELAY, T5570 AC 230/400V, 1CO 0.7/0.9, WITH TRANSPARENT CAP , 5TT3400
    ✓ IN STOCK!
    CAN$113.42 Buy Surplus As Low As CAN$86.48
    CAN$86.48
    Repair Yours CAN$360.00
    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!
    CAN$99.24 Buy Surplus As Low As CAN$34.96
    CAN$34.96
    Repair Yours CAN$360.00
    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!
    CAN$120.51 Buy Surplus As Low As CAN$35.61
    CAN$35.61
    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 CAN$233.93
    CAN$233.93
    Repair Yours CAN$357.16
    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!
    CAN$178.63 Buy New CAN$178.63
    CAN$136.10
    Repair Yours CAN$357.16
    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 CAN$477.38
    CAN$477.38
    Repair Yours CAN$423.44
    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!
    CAN$395.55 Buy Surplus As Low As CAN$227.63
    CAN$227.63
    Repair Yours CAN$360.00
    R-K ELECTRONICS PVCO-400-MR

    R-K ELECTRONICS

    PVCO-400-MR

    3 PHASE 440-480VAC MAN. RESET
    ✓ IN STOCK!
    CAN$280.71 Buy Surplus As Low As CAN$214.08
    CAN$214.08
    Repair Yours CAN$364.58
    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!
    CAN$379.95 Buy Surplus As Low As CAN$228.26
    CAN$228.26
    Repair Yours CAN$360.00
    GENERAL ELECTRIC 12PJG-11F-6A

    GENERAL ELECTRIC

    MULTILIN

    12PJG-11F-6A

    DISCONTINUED BY MANUFACTURER, GROUND DETECTOR RELAY, TYPE PJG, 120-240 V, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$472.11
    CAN$472.11
    Repair Yours CAN$462.12
    WESTINGHOUSE 177C522G14

    WESTINGHOUSE

    177C522G14

    CURRENT MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$84.27
    CAN$84.27
    DOLD BA9036 AC60HZ 400V

    DOLD

    BA9036 AC60HZ 400V

    VOLTAGE RELAY, 2 CHANGEOVER CONTACTS, 400 VAC, 0.5-10 SECOND, CLOSED CIRCUIT OPERATION, WITH TIME DELAY
    ✓ IN STOCK!
    CAN$1,351.73 Buy Surplus As Low As CAN$342.21
    CAN$342.21
    Repair Yours CAN$360.00
    TIME MARK CORP 2601-240VAC

    TIME MARK CORP

    2601-240VAC

    VOLTAGE FREQUENCY MONITOR, UNDER-VOLTAGE, 200-240VAC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    CAN$232.51 Buy Surplus As Low As CAN$112.00
    CAN$112.00
    SIEMENS 3UG4582-1AW31

    SIEMENS

    3UG4582-1AW31

    INSULATION MONITORING RELAY FOR UNGROUNDED (IT) NETWORKS UP TO 250 V AC, 15-400 HZ AND UP TO 300 V DC MEASURING RANGE 1-100 KOHM SUPPLY VOLTAGE 24-240 V AC/DC 22.5 MM, 1 CHANGEOVER CONTACT S ...
    ✓ IN STOCK!
    CAN$997.92 Buy Surplus As Low As CAN$616.71
    CAN$616.71
    Repair Yours CAN$426.61
    SCHWEITZER ENGINEERING SEL-551-0551003X532X

    SCHWEITZER ENGINEERING

    SEL-551-0551003X532X

    DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$182.89
    CAN$182.89
    Repair Yours CAN$360.00
    TELE CONTROLS V2PF480Y/277VSY01

    TELE CONTROLS

    V2PF480Y/277VSY01

    PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
    ✓ IN STOCK!
    CAN$241.01 Buy New CAN$241.01
    CAN$160.20
    Repair Yours CAN$353.54
    TIME MARK CORP 20AB-M

    TIME MARK CORP

    20AB-M

    3-PHASE-MONITORS,WITH TRIP AND RESTART DELAYS, 1X N.O. CONTACT AND 1 N.C. CONTACT, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN
    ✓ IN STOCK!
    CAN$294.89 Buy Surplus As Low As CAN$177.22
    CAN$177.22
    Repair Yours CAN$250.00
    TELE CONTROLS E1PF480Y/277VSY01

    TELE CONTROLS

    E1PF480Y/277VSY01

    PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
    ✓ IN STOCK!
    CAN$138.77 Buy New CAN$138.77
    CAN$83.26
    Repair Yours CAN$353.54
    DEIF RMC-142D-1A-ND-ND-1S-20S-24VDC

    DEIF

    RMC-142D-1A-ND-ND-1S-20S-24VDC

    DISCONTINUED BY MANUFACTURER, STATOR EARTH FAULT RELAY, TYPE: RMC-142D, ORDER NO: 400022308.10, MEAS CURRENT: 1A, MODULE: 1A, SCALE: 1, SUPPLY: 24VDC, T1: 1S, T2: 20S, RELAY B: NORM. DEENERG ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$281.94
    CAN$281.94
    Repair Yours CAN$357.16
    DEIF RMV-112D-DELTA-440VAC-NE+ND-440VAC

    DEIF

    RMV-112D-DELTA-440VAC-NE+ND-440VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 440/254V, MODULE: 440V, SUPPLY: 440VAC, RELAY B: NOR. ENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, OV ...
    ✓ IN STOCK!
    CAN$1,069.55 Buy Surplus As Low As CAN$374.82
    CAN$374.82
    Repair Yours CAN$357.16
    DEIF RMF-112D-440VAC-60HZ-ND+ND-440VAC

    DEIF

    RMF-112D-440VAC-60HZ-ND+ND-440VAC

    DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, TYPE RMF-112D, 440VAC, 60HZ, RELAY B NORM. DEENERGIZED, RELAY C NORM. DEENERGIZED, UNDERFREQUENCY 90-100%, OVERFREQUENCY 100-110%, 0-10S
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$426.94
    CAN$426.94
    Repair Yours CAN$386.69
    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!
    CAN$1,069.55 Buy Surplus As Low As CAN$321.95
    CAN$321.95
    Repair Yours CAN$357.16
    DEIF RMV-112D-DELTA-450VAC-ND+ND-450VAC

    DEIF

    RMV-112D-DELTA-450VAC-ND+ND-450VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 450/260V, MODULE: 450V, SUPPLY: 450 VAC, RELAY B: NOR. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
    ✓ IN STOCK!
    CAN$1,069.55 Buy Surplus As Low As CAN$374.82
    CAN$374.82
    Repair Yours CAN$360.00
    WESTINGHOUSE 1956071

    WESTINGHOUSE

    1956071

    DISCONTINUED BY MANUFACTURER, RELAY, 0.50/1 AMP, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$342.54
    CAN$342.54
    Repair Yours CAN$357.16
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