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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.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    Results 251-300 of 838.
    ASEA BROWN BOVERI 1SVR760488R8300

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR760488R8300

    THREE PHASE MONITORING RELAY, 450-720 VAC RANGE, 50/60 HZ, 0.1-30 SECOND RANGE, DIN-RAIL MOUNTING, (CM-MPN.62P) , 1SVR760488R8300
    ✓ IN STOCK!
    CAN$802.47 Buy Surplus As Low As CAN$220.71
    CAN$220.71
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI CM-MPS.41P

    ASEA BROWN BOVERI

    CM-MPS.41P

    VOLTAGE MONITORING RELAY, CM-MPS SERIES, 3 PHASE, 300-500 VAC, 45-65 HZ, DPDT, TIME DELAY: 0.1-30 S, DIN-RAIL MOUNT, (1SVR740884R3300) , 1SVR740884R3300
    ✓ IN STOCK!
    CAN$576.73 Buy Surplus As Low As CAN$452.26
    CAN$452.26
    Repair Yours CAN$357.16
    ASEA BROWN BOVERI 1SVR630736R0300

    ASEA BROWN BOVERI

    1SVR630736R0300

    CM-UFS.1 THREE-PH MONITOR RELAY
    ✓ IN STOCK!
    CAN$618.02 Buy Surplus As Low As CAN$484.87
    CAN$484.87
    Repair Yours CAN$353.54
    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$1,089.98 Buy Surplus As Low As CAN$673.61
    CAN$673.61
    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$592.61
    CAN$592.61
    Repair Yours CAN$357.16
    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$583.61 Buy Surplus As Low As CAN$480.82
    CAN$480.82
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR630736R1300

    ASEA BROWN BOVERI

    1SVR630736R1300

    CM-UFS.2 THREE-PH MONITOR RELAY
    ✓ IN STOCK!
    CAN$618.02 Buy Surplus As Low As CAN$299.72
    CAN$299.72
    Repair Yours CAN$353.54
    ASEA BROWN BOVERI 1SVR730831R1400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730831R1400

    VOLTAGE MONITORING RELAY, CM-ESS.2S, SINGLE PHASE, 220-240 VAC, 3-600 VRMS, 2 C/O, TIME RANGE: 0 S OR 0.1-30 S TRIPPING DELAY (ON), SCREW TERMINALS, DIN RAIL MOUNTABLE
    ✓ IN STOCK!
    CAN$670.33 Buy Surplus As Low As CAN$415.40
    CAN$415.40
    Repair Yours CAN$357.16
    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$412.89 Buy Surplus As Low As CAN$82.23
    CAN$82.23
    Repair Yours CAN$357.16
    ASEA BROWN BOVERI 1SVR730841R0500

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730841R0500

    (PRICE/EA) CM-SRS.22S CURRENT MON. RELAY , 1SVR730841R0500
    ✓ IN STOCK!
    CAN$477.63 Buy Surplus As Low As CAN$248.22
    CAN$248.22
    Repair Yours CAN$357.16
    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$181.06
    CAN$181.06
    Repair Yours CAN$357.16
    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$173.26
    CAN$173.26
    Repair Yours CAN$353.54
    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$284.84 Buy Surplus As Low As CAN$169.89
    CAN$169.89
    Repair Yours CAN$349.38
    WESTINGHOUSE 5264C09H02

    WESTINGHOUSE

    5264C09H02

    DISCONTINUED BY MANUFACTURER, GROUNDGARD RELAY, 10 AMP, 250 VAC, 50/60 HZ, 125 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$500.96
    CAN$500.96
    Repair Yours CAN$827.05
    WESTINGHOUSE BE1-51-K1E-Z1O-A1N0F

    WESTINGHOUSE

    BE1-51-K1E-Z1O-A1N0F

    RELAY ELECTRIC GROUND FAULT OVERVOLTAGE PROTECTIVE
    ✓ IN STOCK!
    CAN$744.31 Buy Surplus As Low As CAN$300.21
    CAN$300.21
    Repair Yours CAN$360.00
    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$148.72
    CAN$148.72
    Repair Yours CAN$360.00
    WESTINGHOUSE 774B470A12

    WESTINGHOUSE

    774B470A12

    DISCONTINUED BY MANUFACTURER, RELAY AUXILIARY 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$293.47
    CAN$293.47
    Repair Yours CAN$437.33
    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$471.89
    CAN$471.89
    Repair Yours CAN$383.58
    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$72.91
    CAN$72.91
    SIEMENS 3TK2031-0AD0

    SIEMENS

    3TK2031-0AD0

    MINIATURE CONTACTOR, SCREW TERMINAL, 3 NO + 1 NC, SNAP-ON MOUNTING, STANDARD MOUNTING RAIL, 42 VAC AT 50 HZ, 50 VAC AT 60 HZ, AC OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$35.44
    CAN$35.44
    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$558.83
    CAN$558.83
    Repair Yours CAN$540.22
    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$494.79
    CAN$494.79
    Repair Yours CAN$360.00
    INVENSYS AE-504

    INVENSYS

    BARBER COLMAN

    AE-504

    PARALLELING RELAY, ACTUATOR OR PANEL MOUNT, DPDT (SERIES 90)
    ✓ IN STOCK!
    CAN$478.13 Buy Surplus As Low As CAN$258.20
    CAN$258.20
    Repair Yours CAN$360.00
    GENERAL ELECTRIC IC2820D300B15

    GENERAL ELECTRIC

    IC2820D300B15

    DISCONTINUED BY MANUFACTURER, RELAY FIELD LOSS, 8 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$459.80
    CAN$459.80
    Repair Yours CAN$357.16
    TOTALINE P283-0293

    TOTALINE

    P283-0293

    FAN RELAY 24V-COIL SPDT GENERAL PURPOSE
    ✓ IN STOCK!
    CAN$23.66 Buy Surplus As Low As CAN$22.19
    CAN$22.19
    Repair Yours CAN$357.16
    R-K ELECTRONICS PRRO-300

    R-K ELECTRONICS

    PRRO-300

    PHASE LOSS & PHASE REVERSAL RELAY, 380 TO 415VAC 3Ø, 50/60 HZ, SPDT 240VAC CONTACTS, SCREW TERMINALS, SURFACE MOUNTING
    ✓ IN STOCK!
    CAN$408.31 Buy Surplus As Low As CAN$310.48
    CAN$310.48
    Repair Yours CAN$360.00
    R-K ELECTRONICS MVP-A1C

    R-K ELECTRONICS

    MVP-A1C

    MULTI-RANGE 3 PHASE VOLTAGE MONITOR (200 TO 480VAC, 3Ø), SELF-POWERED, 8-PIN BASE, SPDT, CONTACTS, SOCKET & HOLDDOWN INCLUDED
    ✓ IN STOCK!
    CAN$379.95 Buy Surplus As Low As CAN$241.06
    CAN$241.06
    Repair Yours CAN$360.00
    TIME MARK CORP C2652

    TIME MARK CORP

    C2652

    3-PHASE-MONITORS,480VAC, SIZE 3.5IN X 4.5IN X 4.8IN
    ✓ IN STOCK!
    CAN$408.31 Buy Surplus As Low As CAN$208.41
    CAN$208.41
    Repair Yours CAN$353.59
    TOSHIBA 810-ZCT-100

    TOSHIBA

    810-ZCT-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$445.17
    CAN$445.17
    AUTOMATION DIRECT GFS30-M1A-24-F

    AUTOMATION DIRECT

    ACUAMP

    GFS30-M1A-24-F

    ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPST-N.O., MANUAL RESET OUTPUT, 24 VAC/VDC OPERATING VOLTAGE.
    ✓ IN STOCK!
    CAN$649.23 Buy Surplus As Low As CAN$264.80
    CAN$264.80
    Repair Yours CAN$353.59
    AUTOMATION DIRECT GFS30-M1B-24-F

    AUTOMATION DIRECT

    ACUAMP

    GFS30-M1B-24-F

    ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPST-N.C., MANUAL RESET OUTPUT, 24 VAC/VDC OPERATING VOLTAGE.
    ✓ IN STOCK!
    CAN$645.55 Buy Surplus As Low As CAN$399.80
    CAN$399.80
    Repair Yours CAN$353.59
    WESTINGHOUSE 606B029A09

    WESTINGHOUSE

    606B029A09

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC, TYPE AR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$114.84
    CAN$114.84
    Repair Yours CAN$360.00
    SIEMENS 3RH1140-1AK60

    SIEMENS

    3RH1140-1AK60

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 4NO, 120VAC / 50/60HZ COIL, 3RH SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$87.70
    CAN$87.70
    Repair Yours CAN$360.00
    ALLEN BRADLEY 809-A18E

    ALLEN BRADLEY

    809-A18E

    DISCONTINUED BY MANUFACTURER 2009-11-29, CURRENT RELAY, INSTANTANEOUS TRIP, AUTOMATIC RE SET, 120 AMP CONTINUOUS, 1 NO OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$654.99
    CAN$654.99
    Repair Yours CAN$454.92
    ASEA BROWN BOVERI 2.450.111.00

    ASEA BROWN BOVERI

    ENTRELEC

    2.450.111.00

    DISCONTINUED BY MANUFACTURER, CURRENT MONITORING RELAY, 2 C/O, 220-240 VAC, 50/60 HZ, MAX 400 V 5 AMP, AC15 400 V 2 AMP, AC15 250 V 3 AMP, B1 3-30 MA, B2 10-100 MA, B3 0.1-1 AMP, SCREW TERMI ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$119.09
    CAN$119.09
    Repair Yours CAN$359.24
    WATSCO COMPONENTS INC EAC-800

    WATSCO COMPONENTS INC

    EAC-800

    DISCONTINUED BY MANUFACTURER, MOTOR PROTECTOR, LINEBACKER, 2 AMP, 240 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$66.35
    CAN$66.35
    Repair Yours CAN$355.50
    CROUZET 84-873-015

    CROUZET

    SYRELEC

    84-873-015

    PHASE MONITOR, FW, 3 X 384V-552V/50-60HZ, 8AMP 250V 1/3HP 240V AC, DIN RAIL MOUNT, REPLACED BY 84873026
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$145.69
    CAN$145.69
    Repair Yours CAN$250.00
    WESTINGHOUSE 1876046

    WESTINGHOUSE

    1876046

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, 0.5-2.0 AMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$162.59
    CAN$162.59
    Repair Yours CAN$353.59
    CR MAGNETICS CR4395-EH-24D-0.04-X-T-FP

    CR MAGNETICS

    CR4395-EH-24D-0.04-X-T-FP

    DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, LOAD: NPN SINKING, 100MA MAX
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$130.64
    CAN$130.64
    AREVA MVAPM32D1AA2001A

    AREVA

    MVAPM32D1AA2001A

    DISCONTINUED BY MANUFACTURER, RELAY, GENERATOR PROTECTION, MVAPM SERIES, V X 1 / 110/125 VDC, V X 2 / 220/250 VDC, VN / 110 VAC, 50 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$107.52
    CAN$107.52
    Repair Yours CAN$360.00
    GENERAL ELECTRIC 12HGA14AX1A

    GENERAL ELECTRIC

    12HGA14AX1A

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$194.50
    CAN$194.50
    Repair Yours CAN$357.16
    EATON CORPORATION 13535H111-2

    EATON CORPORATION

    CUTLER HAMMER

    13535H111-2

    AC TRANSFORMER RELAY, OPEN TYPE, 20/240 VAC, 50/60 HZ
    ✓ IN STOCK!
    CAN$693.10 Buy Surplus As Low As CAN$259.22
    CAN$259.22
    RADWELL VERIFIED SUBSTITUTE PLM6805-SUB

    RADWELL VERIFIED SUBSTITUTE

    PLM6805-SUB

    SUBSTITUTE FOR ASEA BROWN BOVERI SYMCOM PLM6805, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    CAN$161.62 Buy New CAN$161.62
    RADWELL VERIFIED SUBSTITUTE 252B-SUB

    RADWELL VERIFIED SUBSTITUTE

    252B-SUB

    SUBSTITUTE FOR TIME MARK CORP 252B, PHASE MONITOR RELAY, 3-PHASE , PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE, 240VAC, 10A, SPDT
    ✓ IN STOCK!
    CAN$133.27 Buy New CAN$133.27
    RHEINTACHO 5333.001

    RHEINTACHO

    5333.001

    SPEED MONITOR RELAY
    ✓ IN STOCK!
    CAN$639.40 Buy Surplus As Low As CAN$233.57
    CAN$233.57
    Repair Yours CAN$250.00
    YOKOGAWA YE/50-152111FASJ

    YOKOGAWA

    YE/50-152111FASJ

    DISCONTINUED BY MANUFACTURER, VOLTAGE GAUGE, 0-600 VDC, 3-1/3 INCH DIAL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$203.59
    CAN$203.59
    GENERAL ELECTRIC NGV19A2A

    GENERAL ELECTRIC

    NGV19A2A

    UNDER VOLTAGE RELAY, 125VDC, 208VAC 50/60HZ, 100-140VDC DROPOUT
    ✓ IN STOCK!
    CAN$816.52 Buy Surplus As Low As CAN$318.10
    CAN$318.10
    Repair Yours CAN$357.16
    H HORSTMANN 22010-04-600-A/4H

    H HORSTMANN

    22010-04-600-A/4H

    DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$38.83
    CAN$38.83
    GENERAL ELECTRIC 3ARR8E2

    GENERAL ELECTRIC

    3ARR8E2

    MAGNETIC RELAY, AC SWITCHING, 240 COIL VOLTS, 50/60 HZ, DPST
    ✓ IN STOCK!
    CAN$5.76 Buy Surplus As Low As CAN$4.45
    CAN$4.45
    RADWELL VERIFIED SUBSTITUTE DMLUBRAAA-SUB

    RADWELL VERIFIED SUBSTITUTE

    DMLUBRAAA-SUB

    SUBSTITUTE FOR SSAC DMLUBRAAA, 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!
    CAN$205.57 Buy New CAN$205.57
    Repair Yours CAN$359.24
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