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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 151-200 of 843.
    ASEA BROWN BOVERI 1SVR450065R0000

    ASEA BROWN BOVERI

    1SVR450065R0000

    EARTH-LEAKAGE MONITORING RELAY, 24-240VDC, 10-110KOHM ADJUSTABLE, 4A, 6A FAST BLOW FUSE, LED INDICATORS, SCREW CLAMP TERMINALS, DIN-RAIL MOUNTED
    ✓ IN STOCK!
    $520.00 Buy Surplus As Low As $312.00
    $312.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR450423R0600

    ASEA BROWN BOVERI

    1SVR450423R0600

    DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
    ✓ IN STOCK!
    Buy Surplus As Low As $336.00
    $336.00
    Repair Yours $300.00
    SIEMENS 3UL0303-0EA

    SIEMENS

    3UL0303-0EA

    DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, 230 VAC, 50/60 HZ, 0.03-3 AMP ADJUSTABLE, 0.02-1 SEC ADJUSTABLE TIME DELAY, LED INDICATOR, TEST AND RESET BUTTONS, SCREW CLAMP TERMINALS, DI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $532.00
    $532.00
    Repair Yours $349.00
    CEE RMS700

    CEE

    RMS700

    DISCONTINUED BY MANUFACTURER, VOLTAGE RELAY 1AMP 48VDC DIGITAL
    ✓ IN STOCK!
    Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    GENERAL ELECTRIC 12CFD22B2A

    GENERAL ELECTRIC

    12CFD22B2A

    DISCONTINUED BY MANUFACTURER,RELAY, HIGH SPEED DIFFERENTIAL, 5AMP, 60HZ, TYPE CFD
    ✓ IN STOCK!
    Buy Surplus As Low As $232.77
    $232.77
    Repair Yours $300.00
    DOLD IK9046 DC24V

    DOLD

    IK9046 DC24V

    VOLTAGE MONITOR W/LED 1NC/NO 1-3AMP 230VAC 24VDC
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $98.00
    $98.00
    Repair Yours $300.00
    ALLEN BRADLEY 1420-V2-ENT

    ALLEN BRADLEY

    1420-V2-ENT

    POWER MONITOR 500, 600 VAC, ELECTRIC POWER INDICATOR, 600 VAC, ETHERNET/IP COMMUNICATION
    ✓ IN STOCK!
    Buy Surplus As Low As $1,198.00
    $1,198.00
    Repair Yours $902.00
    EATON CORPORATION 15BA4-25E

    EATON CORPORATION

    CUTLER HAMMER

    15BA4-25E

    BA-400/800, 15.5 MAX KV, 25E, EXPULSION , 15BA4-25E
    ✓ IN STOCK!
    $2,061.02 Buy Surplus As Low As $1,236.61
    $1,236.61
    Repair Yours $340.00
    EATON CORPORATION 9253C03H06

    EATON CORPORATION

    CUTLER HAMMER

    9253C03H06

    GROUND FAULT TRANSMITTER, 800,1AMP, 600VAC, 60HZ
    ✓ IN STOCK!
    $403.43 Buy Surplus As Low As $193.49
    $193.49
    Repair Yours $300.00
    ASEA BROWN BOVERI RK 411 102-DE

    ASEA BROWN BOVERI

    RK 411 102-DE

    OVER/UNDER VOLTAGE RELAY, 80-240 V, 50/60 HZ, AUXILIARY VOLTAGE: 110-125 AND 220-250 VDC, RXEG 21 SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As $1,230.00
    $1,230.00
    Repair Yours $1,050.00
    SIEMENS 3RH11222JC40

    SIEMENS

    3RH11222JC40

    CONTROL RELAY. 2NO+2NC
    ✓ IN STOCK!
    Buy Surplus As Low As $162.00
    $162.00
    Repair Yours $300.00
    TIME MARK CORP 272-24

    TIME MARK CORP

    272-24

    CURRENT-MONITORS, 3-PHASE CURRENT UNBALANCE DETECTOR, 1 - 5A, 24VAC, SIZE 6.06IN X 3.88IN X 2.7IN
    ✓ IN STOCK!
    $455.00 Buy New $455.00
    $217.00
    Repair Yours $300.00
    TIME MARK CORP C2642

    TIME MARK CORP

    C2642

    MONITOR RELAY, 3 PHASE, 480 VAC, 4.8IN X 4.5IN X 3.5IN SIZE, DPDT, SURFACE MOUNT, TRIP DELAY, NO TRIP RESTART, AUTOMATIC RESET
    ✓ IN STOCK!
    $330.77 Buy New $330.77
    $140.80
    Repair Yours $300.00
    TIME MARK CORP 2601-28VDC

    TIME MARK CORP

    2601-28VDC

    VOLTAGE FREQUENCY-MONITORS, UNDER-VOLTAGE MONITOR, 24VDC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    $164.00 Buy New $164.00
    $49.77
    Repair Yours $300.00
    INGERSOLL RAND RLY2547

    INGERSOLL RAND

    TRANE

    RLY2547

    10A SPDT ENCLOSED RELAY
    ✓ IN STOCK!
    $59.15 Buy Surplus As Low As $35.49
    $35.49
    Repair Yours $300.00
    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!
    $419.00 Buy Surplus As Low As $319.00
    $319.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR630736R0300

    ASEA BROWN BOVERI

    1SVR630736R0300

    CM-UFS.1 THREE-PH MONITOR RELAY
    ✓ IN STOCK!
    $449.00 Buy Surplus As Low As $342.00
    $342.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR730831R0400

    ASEA BROWN BOVERI

    1SVR730831R0400

    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, IP20/50
    ✓ IN STOCK!
    $347.00 Buy Surplus As Low As $264.00
    $264.00
    Repair Yours $300.00
    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!
    $424.00 Buy Surplus As Low As $323.00
    $323.00
    Repair Yours $200.00
    ASEA BROWN BOVERI 1SVR730840R0600

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730840R0600

    (PRICE/EA) CM-SRS.M1S CURRENT MON. RELAY , 1SVR730840R0600
    ✓ IN STOCK!
    $439.00 Buy Surplus As Low As $163.11
    $163.11
    Repair Yours $300.00
    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!
    $299.97 Buy New $299.97
    $137.49
    Repair Yours $300.00
    TIME MARK CORP 16-1-L-P

    TIME MARK CORP

    16-1-L-P

    VOLTAGE_FREQUENCY-MONITORS, OVER AND/OR UNDER VOLTAGE MONITOR, 12-30VAC/VDC, SIZE 3.52IN X 2.44IN X 1.75IN
    ✓ IN STOCK!
    $186.00 Buy New $186.00
    $80.36
    Repair Yours $300.00
    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!
    $583.00 Buy Surplus As Low As $155.68
    $155.68
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR510730R4400

    ASEA BROWN BOVERI

    1SVR510730R4400

    DISCONTINUED BY MANUFACTURER, GRID FEED MONITORING RELAY, CM RANGE, THREE PHASE, 24 VAC/DC / 230 VAC, (CM-UFD.M32)
    ✓ IN STOCK!
    Buy Surplus As Low As $810.00
    $810.00
    Repair Yours $673.00
    ASEA BROWN BOVERI 1SVR730840R0700

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730840R0700

    (PRICE/EA) CM-SRS.M2S CURRENT MON. RELAY , 1SVR730840R0700
    ✓ IN STOCK!
    $439.00 Buy Surplus As Low As $334.00
    $334.00
    Repair Yours $300.00
    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!
    $486.00 Buy Surplus As Low As $273.00
    $273.00
    Repair Yours $300.00
    ASEA BROWN BOVERI 1SVR630736R1300

    ASEA BROWN BOVERI

    1SVR630736R1300

    CM-UFS.2 THREE-PH MONITOR RELAY
    ✓ IN STOCK!
    $449.00 Buy Surplus As Low As $211.41
    $211.41
    Repair Yours $300.00
    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!
    $200.91 Buy New $200.91
    $119.83
    Repair Yours $300.00
    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 $883.38
    $883.38
    Repair Yours $689.21
    AUTOMATION DIRECT AD-PR40-2C-240A

    AUTOMATION DIRECT

    AD-PR40-2C-240A

    AUTOMATIONDIRECT POWER RELAY, PANEL MOUNT, OPEN, 240 VAC COIL VOLTAGE, DPDT, 2 N.O., 2 N.C., 40A CONTACT RATING, SCREW TERMINAL(S).
    ✓ IN STOCK!
    $45.45 Buy Surplus As Low As $35.35
    $35.35
    Repair Yours $300.00
    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 $131.12
    $131.12
    Repair Yours $300.00
    GENERAL ELECTRIC 12CEY52A1D

    GENERAL ELECTRIC

    12CEY52A1D

    DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, 120 V, 5 AMP, 60 CYCLE, 1.3 OHM
    ✓ IN STOCK!
    Buy Surplus As Low As $820.00
    $820.00
    Repair Yours $680.60
    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 $332.85
    $332.85
    Repair Yours $323.70
    SIEMENS 5TT3402

    SIEMENS

    5TT3402

    RELAY 230/400V 2W AVAILABLE, SURPLUS, NEVER USED, 2 YEAR WARRANTY
    ✓ IN STOCK!
    $173.74 Buy Surplus As Low As $63.51
    $63.51
    Repair Yours $300.00
    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 $60.51
    $60.51
    GENERAL ELECTRIC 12HAA15E1

    GENERAL ELECTRIC

    12HAA15E1

    DISCONTINUED BY MANUFACTURER, AUXILIARY CURRENT RELAY, DC 0.2/2.0AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $463.73
    $463.73
    Repair Yours $450.18
    GENERAL ELECTRIC IC2820D300B15

    GENERAL ELECTRIC

    IC2820D300B15

    DISCONTINUED BY MANUFACTURER, RELAY FIELD LOSS, 8 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $374.51
    $374.51
    Repair Yours $300.00
    TOTALINE P283-0293

    TOTALINE

    P283-0293

    FAN RELAY 24V-COIL SPDT GENERAL PURPOSE
    ✓ IN STOCK!
    $16.69 Buy Surplus As Low As $13.91
    $13.91
    Repair Yours $300.00
    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!
    $290.00 Buy New $290.00
    $175.20
    Repair Yours $300.00
    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 $127.71
    $127.71
    Repair Yours $300.00
    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 $122.21
    $122.21
    Repair Yours $300.00
    WESTINGHOUSE BE1-51-K1E-Z1O-A1N0F

    WESTINGHOUSE

    BE1-51-K1E-Z1O-A1N0F

    RELAY ELECTRIC GROUND FAULT OVERVOLTAGE PROTECTIVE
    ✓ IN STOCK!
    $525.00 Buy Surplus As Low As $240.63
    $240.63
    Repair Yours $300.00
    ASEA BROWN BOVERI FCX-103B/1

    ASEA BROWN BOVERI

    BBC METRAWATT

    FCX-103B/1

    RELAY FREQUENCY 110/110/200/220V 65/391HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $810.00
    $810.00
    Repair Yours $680.00
    WESTINGHOUSE 774B470A12

    WESTINGHOUSE

    774B470A12

    DISCONTINUED BY MANUFACTURER, RELAY AUXILIARY 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $442.58
    $442.58
    Repair Yours $367.34
    GENERAL ELECTRIC 12SBC23B1D

    GENERAL ELECTRIC

    12SBC23B1D

    DISCONTINUED BY MANUFACTURER, STATIC BREAKER BACKUP RELAY, SBC TYPE, 125 VDC, 10 AMPS, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $1,640.00
    $1,640.00
    Repair Yours $1,361.20
    SIEMENS 5TT3401

    SIEMENS

    5TT3401

    VOLTAGE RELAY T5570 AC 230/400V 1CO 0.85/0.95 WITH TRANSPARENT CAP
    ✓ IN STOCK!
    $106.00 Buy Surplus As Low As $81.00
    $81.00
    Repair Yours $300.00
    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 $349.00
    $349.00
    Repair Yours $300.00
    GENERAL ELECTRIC 12NGV13B25A

    GENERAL ELECTRIC

    12NGV13B25A

    RELAY UNDERVOLTAGE .2AMP 120VAC
    ✓ IN STOCK!
    $1,484.00 Buy Surplus As Low As $724.51
    $724.51
    Repair Yours $601.34
    WESTINGHOUSE BE1-851-G5-N1H0N

    WESTINGHOUSE

    BE1-851-G5-N1H0N

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, BE1-851 SERIES, 48-125 VAC/VDC, 5 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $876.88
    $876.88
    Repair Yours $657.06
    INVENSYS AE-504

    INVENSYS

    BARBER COLMAN

    AE-504

    PARALLELING RELAY, ACTUATOR OR PANEL MOUNT, DPDT (SERIES 90)
    ✓ IN STOCK!
    $337.25 Buy Surplus As Low As $202.35
    $202.35
    Repair Yours $300.00
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