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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.
    SIEMENS 3UG4621-1AA30

    SIEMENS

    3UG4621-1AA30

    DIGITAL MONITORING RELAY, CURRENT MONITORING, 2-500 MA AC/DC, 24 VAC/DC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    $394.00 Buy Surplus As Low As $122.40
    $122.40
    Repair Yours $300.00
    SIEMENS 3UG4512-1BR20

    SIEMENS

    3UG4512-1BR20

    SCREW TERMINAL, PHASE FAILURE AND SEQUENCE
    ✓ IN STOCK!
    $186.00 Buy Surplus As Low As $113.76
    $113.76
    Repair Yours Contact Us
    SIEMENS 3RS1800-2BP00

    SIEMENS

    3RS1800-2BP00

    (PRICE/PC) RELAY, 24VUC & 220 - 240VAC, 2CO,SPRING, CONTROLS - INTERFACE 3RS
    ✓ IN STOCK!
    $132.00 Buy Surplus As Low As $80.00
    $80.00
    WEG RPW-FSF-Z34

    WEG

    RPW-FSF-Z34

    PHASE LOSS & PHASE SEQUENCE RELAY 220/240V 50/60HZ
    ✓ IN STOCK!
    $61.61 Buy Surplus As Low As $33.57
    $33.57
    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 $90.00
    $90.00
    LITTELFUSE SE-330-00-00

    LITTELFUSE

    STARTCO ENGINEERING

    SE-330-00-00

    RESISTANCE MONITOR, NEUTRAL GROUNDING, SE-330 SERIES, 120/240VAC/DC, 4-20 MA, DELAY TIME 0.1/10 SECONDS, HARMONIC FILTERING, MANUAL RESET,PANEL MOUNT
    ✓ IN STOCK!
    $6,203.00 Buy Surplus As Low As $3,253.87
    $3,253.87
    Repair Yours $1,895.00
    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
    FLUKE 1630

    FLUKE

    1630

    METER, GROUND RESISTANCE, CLAMP TYPE, 0.2-1000MA, FOR ELECTRICAL TESTING GROUND LEAKAGE CURRENT
    ✓ IN STOCK!
    $3,146.00 Buy Surplus As Low As $2,349.25
    $2,349.25
    Repair Yours $1,293.64
    SIEMENS 3UG3511-1BQ50

    SIEMENS

    FURNAS ELECTRIC CO

    3UG3511-1BQ50

    DISCONTINUED BY MANUFACTURER 03/20/2006, MONITORING RELAY, 3 PHASE, 230-400 VAC, 50/60 HZ, 8 AMP, 2 CHANGE OVER CONTACTS, 1/3 HP, 22.5 MM, SCREW CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $197.18
    $197.18
    Repair Yours $300.00
    ALLEN BRADLEY 809-A17E

    ALLEN BRADLEY

    809-A17E

    DISCONTINUED BY MANUFACTURER, INSTANTANEOUS TRIP CURRENT RELAY, 108 AMPS AC/DC CONTINUOUS, 600 V MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $1,426.65
    $1,426.65
    Repair Yours $1,184.12
    ALLEN BRADLEY 809-A10E

    ALLEN BRADLEY

    809-A10E

    DISCONTINUED BY MANUFACTURER 02/27/10, CURRENT RELAY,INSTANTANEOUS TRIP,40 A MAXIMUM,CONTINUOUS,1 NORMALLY OPEN OUTPUT,AUTOMATIC RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $2,199.99
    $2,199.99
    Repair Yours $1,825.99
    TIME MARK CORP C2644

    TIME MARK CORP

    C2644

    3-PHASE MONITOR, 10AMP, 240V, DPDT, AUTOMATIC RESET, SURFACE MOUNT, TRIP DELAY, UNDER VOLTAGE PROTECTION, 480VAC
    ✓ IN STOCK!
    $220.00 Buy New $220.00
    $109.00
    Repair Yours $300.00
    WESTINGHOUSE 293B301A25B

    WESTINGHOUSE

    293B301A25B

    DISCONTINUED BY MANUFACTURER, RELAY TIME DELAY, 48/125VDC, .2-4SEC INDICATOR, .2-2A
    ✓ IN STOCK!
    Buy Surplus As Low As $655.25
    $655.25
    Repair Yours $543.85
    WESTINGHOUSE 293B301A10A

    WESTINGHOUSE

    293B301A10A

    DISCONTINUED BY MANUFACTURER, RELAY TIME DELAY, 48/125V, .05-1SEC INDICATOR, .2-2AMP, TYPE TD-5
    ✓ IN STOCK!
    Buy Surplus As Low As $40.42
    $40.42
    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
    $104.00
    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 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!
    $116.30 Buy New $116.30
    $70.00
    Repair Yours $300.00
    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!
    $404.00 Buy New $404.00
    $195.94
    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!
    $364.00 Buy Surplus As Low As $148.44
    $148.44
    Repair Yours $200.00
    INGERSOLL RAND RLY1703

    INGERSOLL RAND

    TRANE

    RLY1703

    24V 8A SPNO GP RELAY
    ✓ IN STOCK!
    $35.27 Buy Surplus As Low As $21.16
    $21.16
    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 RLY0983

    INGERSOLL RAND

    TRANE

    RLY0983

    PILOT CONTROL RELAY, 120 VOLT AC, 50/60 HZ, 24 VOLT COIL, 6 BLADE STYLE CONNECTIONS
    ✓ IN STOCK!
    $62.25 Buy Surplus As Low As $27.77
    $27.77
    Repair Yours $300.00
    ASEA BROWN BOVERI DDA803A-100/0.5

    ASEA BROWN BOVERI

    DDA803A-100/0.5

    RESIDUAL CURRENT DEVICE BLOCK, TYPE A, 400/415/690 VAC RATED VOLTAGE, RATED CURRENT: 100A, 50/60HZ, INSTANTANEOUS OPERATING CHARACTERISTIC
    ✓ IN STOCK!
    $1,642.10 Buy Surplus As Low As $822.44
    $822.44
    Repair Yours $608.22
    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!
    $192.00 Buy Surplus As Low As $107.00
    $107.00
    Repair Yours Contact Us
    ASEA BROWN BOVERI 1SVR730841R1400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730841R1400

    (PRICE/EA) CM-SRS.21S CURRENT MON. RELAY , 1SVR730841R1400
    ✓ IN STOCK!
    $347.00 Buy Surplus As Low As $163.00
    $163.00
    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!
    $565.00 Buy Surplus As Low As $300.78
    $300.78
    Repair Yours $300.00
    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
    CROUZET DUR24A

    CROUZET

    DUR24A

    VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 24 VAC, CAN BE REPLACED BY PN DUR110A. DIFFERENCE: 110V INPUT INSTEAD OF 24V. NEEDED: A DIFFERENT INPUT POWER IS NEEDED
    ✓ IN STOCK!
    $284.89 Buy New $284.89
    $170.93
    Repair Yours $300.00
    TYCO 565-558

    TYCO

    SIMPLEXGRINNELL

    565-558

    4009 EARTH DETECT BOARD ASSEMBLY
    ✓ IN STOCK!
    $42.00 Buy Surplus As Low As $16.80
    $16.80
    Repair Yours $300.00
    ASEA BROWN BOVERI CM-PFS

    ASEA BROWN BOVERI

    CM-PFS

    DISCONTINUED BY MANUFACTURER, ASEA BROWN BOVERI, CM-PFS, CMPFS, MONITORING RELAY, 4AMP, 3PHASE, 50/60HZ, 200-500V
    ✓ IN STOCK!
    Buy Surplus As Low As $89.55
    $89.55
    SIEMENS 5TT3400

    SIEMENS

    5TT3400

    VOLTAGE RELAY, T5570 AC 230/400V, 1CO 0.7/0.9, WITH TRANSPARENT CAP
    ✓ 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 $30.83
    $30.83
    Repair Yours $300.00
    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 $165.65
    $165.65
    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 $382.64
    $382.64
    Repair Yours $352.87
    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 $408.00
    $408.00
    Repair Yours $388.17
    WESTINGHOUSE 9-1210-00-105

    WESTINGHOUSE

    9-1210-00-105

    VOLTAGE CONTROLLER MANUAL
    ✓ IN STOCK!
    Buy Surplus As Low As $799.90
    $799.90
    Repair Yours $698.86
    ASEA BROWN BOVERI 1SVR630774R1300

    ASEA BROWN BOVERI

    1SVR630774R1300

    DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, 2NO/2NC CONTACTS, PHASE FAILURE, PHASE IMBALANCE, PHASE SEQUENCE, 0 / 0.1-30 SECOND TIME DELAY, -25 TO +60 DEGREES C, (CM-PAS.31)
    ✓ IN STOCK!
    Buy Surplus As Low As $342.00
    $342.00
    Repair Yours $300.00
    GENERAL ELECTRIC 12IFC53B2A

    GENERAL ELECTRIC

    12IFC53B2A

    OVERCURRENT RELAY, INVERSE TIME, 2-50AMP
    ✓ IN STOCK!
    $627.20 Buy Surplus As Low As $166.32
    $166.32
    Repair Yours $300.00
    AUTOMATION DIRECT GFS30-D1C-120A-F

    AUTOMATION DIRECT

    ACUAMP

    GFS30-D1C-120A-F

    ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPDT NORMALLY DE-ENERGIZED, AUTOMATIC RESET OUTPUT, 120 VAC OPERATING VOLTAGE.
    ✓ IN STOCK!
    $323.20 Buy Surplus As Low As $138.96
    $138.96
    Repair Yours $300.00
    LARCO 5000

    LARCO

    5000

    DISCONTINUED BY MANUFACTURER, ZONE MONITOR WALL MOUNT 120/240VAC 50/60HZ .125AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $182.83
    $182.83
    Repair Yours $300.00
    SIEMENS 3TX7114-5DF13C

    SIEMENS

    3TX7114-5DF13C

    PLUG-IN RELAY, DPDT, 15A, 120VAC, N79, CONTROLS - PLUG-IN RELAY 3TX71
    ✓ IN STOCK!
    $35.00 Buy Surplus As Low As $20.33
    $20.33
    Repair Yours $300.00
    ASEA BROWN BOVERI PLM8405

    ASEA BROWN BOVERI

    SSAC

    PLM8405

    SINGLE FUNCTION RELAYS & MONITORS, 3 PHASE LINE MONITOR
    ✓ IN STOCK!
    $217.58 Buy Surplus As Low As $141.00
    $141.00
    Repair Yours $300.00
    ASEA BROWN BOVERI PLM6802

    ASEA BROWN BOVERI

    PLM6802

    3 PHASE LINE MONITOR, 240VAC, 60HZ
    ✓ IN STOCK!
    $224.66 Buy Surplus As Low As $150.41
    $150.41
    ASEA BROWN BOVERI PHS120A20

    ASEA BROWN BOVERI

    SSAC

    PHS120A20

    SINGLE FUNCTION RELAYS & MONITORS, AC PHASE CONTROL
    ✓ IN STOCK!
    $96.00 Buy Surplus As Low As $66.56
    $66.56
    Repair Yours $300.00
    ASEA BROWN BOVERI WVM911AL

    ASEA BROWN BOVERI

    SSAC

    WVM911AL

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3 PHASE, 400-480 VAC, 0.25-30 SEC TRIP DELAY, 0.25-64 SEC AUTO RESTART DELAY, 2-10% UNBALANCE, SELECTABLE AUTO/MANUAL RESET
    ✓ IN STOCK!
    Buy Surplus As Low As $1,120.40
    $1,120.40
    Repair Yours $550.00
    ASEA BROWN BOVERI DLM811

    ASEA BROWN BOVERI

    DLM811

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3-PHASE, DIN RAIL MOUNT, 380-415 VAC, 2-20 SECONDS
    ✓ IN STOCK!
    Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $300.00
    WESTINGHOUSE 293B004A13

    WESTINGHOUSE

    293B004A13

    DISCONTINUED BY MANUFACTURER, RELAY, 2-8 AMPS @ 60 HZ, 48-125 VDC, 0.2-2 AMPS INDICATOR UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As $695.99
    $695.99
    Repair Yours $577.67
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