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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 846.
    GENERAL ELECTRIC IC2820D300B15

    GENERAL ELECTRIC

    IC2820D300B15

    DISCONTINUED BY MANUFACTURER, RELAY FIELD LOSS, 8 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$543.80
    CAN$543.80
    Repair Yours CAN$369.66
    INVENSYS AE-504

    INVENSYS

    BARBER COLMAN

    AE-504

    PARALLELING RELAY, ACTUATOR OR PANEL MOUNT, DPDT (SERIES 90)
    ✓ IN STOCK!
    CAN$440.73 Buy Surplus As Low As CAN$264.44
    CAN$264.44
    Repair Yours CAN$360.00
    FRAKO EMR-1100

    FRAKO

    EMR-1100

    DISCONTINUED BY MANUFACTURER, REACTIVE POWER CONTROL RELAY, SINGLE PHASE, 220-240 VAC OPERATING VOLTAGE, 100-690 VAC MEASUREMENT VOLTAGE, 50/60 HZ POWER FREQUENCY, 20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$506.76
    CAN$506.76
    Repair Yours CAN$360.00
    GENERAL ELECTRIC 12HAA15E1

    GENERAL ELECTRIC

    12HAA15E1

    DISCONTINUED BY MANUFACTURER, AUXILIARY CURRENT RELAY, DC 0.2/2.0AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$673.35
    CAN$673.35
    Repair Yours CAN$556.56
    SIEMENS 3UG4651-2AW30

    SIEMENS

    3UG4651-2AW30

    (PRICE/PC) DIGITAL MONITORING RELAY, CONTROLS - MONITORING 3UG3
    ✓ IN STOCK!
    CAN$843.02 Buy Surplus As Low As CAN$660.67
    CAN$660.67
    Repair Yours CAN$357.60
    SIEMENS 3TX7015-1BB02

    SIEMENS

    3TX7015-1BB02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, 1CO CONTACT, SPRING-TYPE TERMINAL, 24V AC/DC, 50HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$87.86
    CAN$87.86
    SIEMENS 5TT3401

    SIEMENS

    5TT3401

    VOLTAGE RELAY T5570 AC 230/400V 1CO 0.85/0.95 WITH TRANSPARENT CAP , 5TT3401
    ✓ IN STOCK!
    CAN$168.00 Buy Surplus As Low As CAN$128.00
    CAN$128.00
    Repair Yours Contact Us
    SIEMENS 5TT3402

    SIEMENS

    5TT3402

    RELAY 230/400V 2W AVAILABLE, SURPLUS, NEVER USED, 2 YEAR WARRANTY , 5TT3402
    ✓ IN STOCK!
    CAN$233.00 Buy Surplus As Low As CAN$140.00
    CAN$140.00
    Repair Yours CAN$250.00
    ASEA BROWN BOVERI 10-029-00

    ASEA BROWN BOVERI

    JOKAB SAFETY

    10-029-00

    DISCONTINUED BY MANUFACTURER, SAFETY RELAY, RT9, 24DC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$483.31
    CAN$483.31
    Repair Yours CAN$388.44
    WESTINGHOUSE 774B470A12

    WESTINGHOUSE

    774B470A12

    DISCONTINUED BY MANUFACTURER, RELAY AUXILIARY 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$642.64
    CAN$642.64
    Repair Yours CAN$454.14
    SIEMENS 3TH2040-0BW4

    SIEMENS

    3TH2040-0BW4

    DISCONTINUED BY MANUFACTURER, CONTACTOR RELAY, DC OPERATION, 4 NORMALLY OPEN, 48 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$190.39
    CAN$190.39
    Repair Yours CAN$360.00
    WESTINGHOUSE BE1-51-K1E-Z1O-A1N0F

    WESTINGHOUSE

    BE1-51-K1E-Z1O-A1N0F

    RELAY ELECTRIC GROUND FAULT OVERVOLTAGE PROTECTIVE
    ✓ IN STOCK!
    CAN$762.32 Buy Surplus As Low As CAN$349.40
    CAN$349.40
    Repair Yours CAN$364.52
    TIME MARK CORP A2644

    TIME MARK CORP

    A2644

    CURRENT SENSOR, 3-PHASE MONITOR, 10A,120VAC, SIZE 6.06IN X 3.88IN X 2.52IN
    ✓ IN STOCK!
    CAN$291.73 Buy Surplus As Low As CAN$174.00
    CAN$174.00
    Repair Yours CAN$357.83
    CARLO GAVAZZI SM125230500

    CARLO GAVAZZI

    SM125230500

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 230 VAC SUPPLY, 50-500 VAC/DC MEASURING RANGE, LED INDICATION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$177.45
    CAN$177.45
    Repair Yours CAN$368.95
    ASEA BROWN BOVERI JSBT3-115VAC

    ASEA BROWN BOVERI

    JOKAB SAFETY

    JSBT3-115VAC

    DISCONTINUED BY MANUFACTURER, SAFTEY RELAY 115VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$185.44
    CAN$185.44
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR730841R0500

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730841R0500

    (PRICE/EA) CM-SRS.22S CURRENT MON. RELAY , 1SVR730841R0500
    ✓ IN STOCK!
    CAN$489.18 Buy Surplus As Low As CAN$231.11
    CAN$231.11
    Repair Yours CAN$362.15
    GRACE R-1A003

    GRACE

    GRACE ENGINEERED PRODUCTS

    R-1A003

    CHEKVOLT INTERFACES, SINGLE-POINT, SINGLE PHASE, INSTALLS IN A 1/2 HOLE, POLYCARBONATE CONSTRUCTION, UV OUTDOOR RATED SO YOU CAN MOUNT IT ANYWHERE, INTEGRAL 6 LEAD WIRE, UL TYPE 4, 4X, 12 RA ...
    ✓ IN STOCK!
    CAN$422.88 Buy Surplus As Low As CAN$199.64
    CAN$199.64
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR730840R0600

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730840R0600

    (PRICE/EA) CM-SRS.M1S CURRENT MON. RELAY , 1SVR730840R0600
    ✓ IN STOCK!
    CAN$618.87 Buy Surplus As Low As CAN$236.84
    CAN$236.84
    Repair Yours CAN$358.64
    ASEA BROWN BOVERI 1SVR730774R3300

    ASEA BROWN BOVERI

    1SVR730774R3300

    (PRICE/EA) CM-PAS.41S THREE-PHASE MON. , 1SVR730774R3300
    ✓ IN STOCK!
    CAN$1,090.04 Buy Surplus As Low As CAN$673.64
    CAN$673.64
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR630736R1300

    ASEA BROWN BOVERI

    1SVR630736R1300

    CM-UFS.2 THREE-PH MONITOR RELAY
    ✓ IN STOCK!
    CAN$632.97 Buy Surplus As Low As CAN$306.97
    CAN$306.97
    Repair Yours CAN$364.52
    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!
    CAN$944.02 Buy Surplus As Low As CAN$374.47
    CAN$374.47
    Repair Yours CAN$310.81
    ASEA BROWN BOVERI 1SVR730885R3300

    ASEA BROWN BOVERI

    1SVR730885R3300

    RMS MONITORING RELAY, MULTIFUNCTION, 4 AMP, 3 PHASE, 180-280 VAC, 2C/O SPDT, DIN-RAIL 22.5 MM, IP50/IP20, (CM-MPS.21S)
    ✓ IN STOCK!
    CAN$597.73 Buy Surplus As Low As CAN$492.46
    CAN$492.46
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR730831R0400

    ASEA BROWN BOVERI

    1SVR730831R0400

    DISCONTINUED BY MANUFACTURER, 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, IP ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$606.95
    CAN$606.95
    Repair Yours CAN$362.15
    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!
    CAN$1,116.34 Buy Surplus As Low As CAN$689.90
    CAN$689.90
    Repair Yours CAN$360.00
    SIEMENS 5TT3195

    SIEMENS

    5TT3195

    VOLTAGE RELAY, 230-400VAC, 50-60HZ, 2WATT, 4AMP, 0.7-0.9UC, ASYMMETRICAL MONITORING, WITH TRANSPARENT CAP, SCREW TERMINALS, DIN RAIL MOUNTING , 5TT3195
    ✓ IN STOCK!
    CAN$395.00 Buy Surplus As Low As CAN$301.00
    CAN$301.00
    Repair Yours CAN$250.00
    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$1,022.10 Buy Surplus As Low As CAN$631.66
    CAN$631.66
    Repair Yours CAN$360.00
    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$610.42 Buy Surplus As Low As CAN$479.17
    CAN$479.17
    Repair Yours CAN$360.00
    SIEMENS 3UG4815-1AA40

    SIEMENS

    3UG4815-1AA40

    DIGITAL MONITORING RELAY, FOR IO-LINK, 3-PHASE SUPPLY, 160-690 VAC, 50/60 HZ, PHASE SEQUENCE, PHASE FAILURE, PHASE ASYMMETRY, UNDERVOLTAGE, OVERVOLTAGE, HYSTERESIS, LINE STABILIZATION, DELAY ...
    ✓ IN STOCK!
    CAN$369.00 Buy Surplus As Low As CAN$222.00
    CAN$222.00
    Repair Yours CAN$250.00
    TYCO 565-558

    TYCO

    SIMPLEXGRINNELL

    565-558

    4009 EARTH DETECT BOARD ASSEMBLY
    ✓ IN STOCK!
    CAN$60.99 Buy Surplus As Low As CAN$24.39
    CAN$24.39
    Repair Yours CAN$364.52
    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$147.16
    CAN$147.16
    Repair Yours CAN$369.98
    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$504.52
    CAN$504.52
    Repair Yours CAN$369.98
    ASEA BROWN BOVERI 1SVR730794R3300

    ASEA BROWN BOVERI

    1SVR730794R3300

    (PRICE/EA) CM-PVS.41S THREE-PHASE MON. , 1SVR730794R3300
    ✓ IN STOCK!
    CAN$523.66 Buy Surplus As Low As CAN$281.00
    CAN$281.00
    Repair Yours CAN$300.00
    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$796.50 Buy Surplus As Low As CAN$436.74
    CAN$436.74
    Repair Yours CAN$360.00
    EATON CORPORATION PFR-WMA-105

    EATON CORPORATION

    MOELLER ELECTRIC

    PFR-WMA-105

    MOELLER PFR-WMA-105 MAGNETIC SCREEN
    ✓ IN STOCK!
    CAN$514.02 Buy Surplus As Low As CAN$392.05
    CAN$392.05
    Repair Yours CAN$250.00
    WIELAND SAP-1002

    WIELAND

    SCHLEICHER

    SAP-1002

    PHASE FAILURE MONITORING RELAY, 380-415VAC, 3AC, 50/60HZ
    ✓ IN STOCK!
    CAN$193.12 Buy Surplus As Low As CAN$97.29
    CAN$97.29
    Repair Yours CAN$369.98
    DOLD IK9065.11*

    DOLD

    IK9065.11*

    MEASURING RELAYS - UNDERLOAD - 1 PHASE / 3 PHASE AUTO RESET
    ✓ IN STOCK!
    CAN$199.13 Buy Surplus As Low As CAN$48.45
    CAN$48.45
    ASEA BROWN BOVERI 1SVR730841R1400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730841R1400

    (PRICE/EA) CM-SRS.21S CURRENT MON. RELAY , 1SVR730841R1400
    ✓ IN STOCK!
    CAN$489.18 Buy Surplus As Low As CAN$236.68
    CAN$236.68
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR730840R0300

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730840R0300

    (PRICE/EA) CM-SRS.12S CURRENT MON. RELAY , 1SVR730840R0300
    ✓ IN STOCK!
    CAN$819.30 Buy Surplus As Low As CAN$641.35
    CAN$641.35
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR730841R1500

    ASEA BROWN BOVERI

    1SVR730841R1500

    RELAY, CURRENT MONITORING, CM-SRS.22S , 1SVR730841R1500
    ✓ IN STOCK!
    CAN$489.18 Buy Surplus As Low As CAN$383.34
    CAN$383.34
    Repair Yours CAN$250.00
    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!
    CAN$294.11 Buy Surplus As Low As CAN$147.49
    CAN$147.49
    Repair Yours CAN$300.00
    ASEA BROWN BOVERI 1SVR730774R1300

    ASEA BROWN BOVERI

    1SVR730774R1300

    (PRICE/EA) CM-PAS.31S THREE-PHASE MON. , 1SVR730774R1300
    ✓ IN STOCK!
    CAN$535.70 Buy Surplus As Low As CAN$193.51
    CAN$193.51
    Repair Yours CAN$358.64
    ASEA BROWN BOVERI 1SVR510730R0300

    ASEA BROWN BOVERI

    1SVR510730R0300

    CM-UFS.M21 GRID FEEDING MONITOR
    ✓ IN STOCK!
    CAN$1,327.97 Buy Surplus As Low As CAN$441.17
    CAN$441.17
    Repair Yours CAN$370.89
    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!
    CAN$89.55 Buy Surplus As Low As CAN$56.28
    CAN$56.28
    INGERSOLL RAND RLY1237

    INGERSOLL RAND

    TRANE

    RLY1237

    TRANE RELAYS, SWITCH AND LIMIT CONTROLS, 12/8A @125/250V, 24 VAC COIL
    ✓ IN STOCK!
    CAN$217.68 Buy Surplus As Low As CAN$119.78
    CAN$119.78
    Repair Yours CAN$364.52
    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!
    CAN$265.00 Buy Surplus As Low As CAN$161.93
    CAN$161.93
    Repair Yours CAN$250.00
    TIME MARK CORP 421

    TIME MARK CORP

    421

    SPECIAL-CONTROL, OVER/UNDER MOTOR LOAD MONITOR, 100-250VAC, SIZE 3.88IN X 6.06IN X 2.63IN
    ✓ IN STOCK!
    CAN$522.83 Buy Surplus As Low As CAN$267.40
    CAN$267.40
    Repair Yours CAN$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!
    CAN$268.63 Buy Surplus As Low As CAN$126.33
    CAN$126.33
    Repair Yours CAN$367.58
    TIME MARK CORP EX257B

    TIME MARK CORP

    EX257B

    3-PHASE MONITOR, NOMINAL AC VOLTAGE (PHASE TO PHASE) 380 VAC, YELLOW CASE, 300-400 VAC ADJUSTMENT RANGE, 50 HZ FREQUENCY, 3.75W POWER CONSUMPTION, 8 PIN
    ✓ IN STOCK!
    CAN$168.87 Buy Surplus As Low As CAN$101.64
    CAN$101.64
    Repair Yours CAN$369.98
    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$268.63 Buy Surplus As Low As CAN$58.79
    CAN$58.79
    Repair Yours CAN$370.89
    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!
    CAN$279.20 Buy Surplus As Low As CAN$143.35
    CAN$143.35
    Repair Yours CAN$300.00
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