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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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    GENERAL ELECTRIC NGV19A2A

    GENERAL ELECTRIC

    NGV19A2A

    UNDER VOLTAGE RELAY, 125VDC, 208VAC 50/60HZ, 100-140VDC DROPOUT
    ✓ IN STOCK!
    $575.93 Buy Surplus As Low As $263.97
    $263.97
    Repair Yours $300.00
    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!
    $145.00 Buy New $145.00
    Repair Yours $300.00
    WESTINGHOUSE 1272173A

    WESTINGHOUSE

    1272173A

    DISCONTINUED BY MANUFACTURER, IMPEDANCE RELAY, HCZ TYPE, 115VAC, 60HZ, 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $382.63
    $382.63
    Repair Yours $352.87
    IMO MR-1PVM

    IMO

    MR-1PVM

    DISCONTINUED BY MANUFACTURER, RELAY, VOLTAGE MONITOR, SINGLE PHASE, MODULAR SUPPLY, 0-10 SECOND, 12-400 VAC INPUT, SCREW TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $119.67
    $119.67
    Repair Yours $300.00
    RHOMBERG SP430/380VAC-SP

    RHOMBERG

    SP430/380VAC-SP

    PHASE SEQUENCE/FAILURE/ASYMMETRY RELAY, 11PIN, 10AMP, SPDT, 380VAC, 5-15PERCENT NPS SENSITIVITY, LED INDICATING
    ✓ IN STOCK!
    $142.56 Buy Surplus As Low As $59.86
    $59.86
    SELEC 600PSR-165/300-CU

    SELEC

    600PSR-165/300-CU

    PHASE SEQUENCE RELAY,DIN RAIL MOUNT, ACCURACY IS ±10V, PHASE FAILURE- PHASE REVERSED , SPACE SAVING DESIGN,1 C/O SPDT OUTPUT CONTACT, 165 -300V AC (L-L) SUPPLY, SIZE 17.5 X 90MM.
    ✓ IN STOCK!
    $40.33 Buy New $40.33
    $29.04
    GENERAL ELECTRIC 12IFC66AD1A

    GENERAL ELECTRIC

    12IFC66AD1A

    DISCONTINUED BY MANUFACTURER, PROT RELAY, LONG TIME OVERCURRENT, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $173.18
    $173.18
    MATSUSHITA ELECTRIC CB1A-T-M-24V

    MATSUSHITA ELECTRIC

    AROMAT

    CB1A-T-M-24V

    AUTOMOTIVE RELAY,CB RELAY(AUTOMO
    ✓ IN STOCK!
    $15.23 Buy Surplus As Low As $9.14
    $9.14
    Repair Yours $300.00
    CR MAGNETICS CR5395-EL-24D-101-X-CD-ELR-I

    CR MAGNETICS

    CR5395-EL-24D-101-X-CD-ELR-I

    DC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, DC FREQ ONLY, 24 VDC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, NO TIME DELAY, 10 - 100 ADC ADJUSTABLE TRIP RANGE, DPST FOR ...
    ✓ IN STOCK!
    $135.00 Buy New $135.00
    $103.30
    Repair Yours $300.00
    MACROMATIC PLP575

    MACROMATIC

    PLP575

    3-PHASE MONITOR RELAY, 575 VAC, 8 PIN SPDT 10 AMP RELAY, PHASE LOSS, PHASE REVERSAL - FIXED
    ✓ IN STOCK!
    $122.75 Buy New $122.75
    $81.00
    Repair Yours $300.00
    GAST MANUFACTURING AJ135G

    GAST MANUFACTURING

    AJ135G

    FILTER
    ✓ IN STOCK!
    $162.00 Buy New $162.00
    $107.00
    ASEA BROWN BOVERI 64418ZA

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418ZA

    RELAY 300VDC/1AMP
    ✓ IN STOCK!
    $2,836.80 Buy New $2,836.80
    $1,178.77
    Repair Yours $1,029.87
    MARSH BELLOFRAM UOA-240-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-AKA

    UNDER VOLTAGE MONITOR, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, KNOB ADJUSTMENT, 8 PIN
    ✓ IN STOCK!
    $362.27 Buy New $362.27
    $217.36
    Repair Yours $300.00
    MARSH BELLOFRAM UOA-120-AKA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-120-AKA

    VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, KNOB ADJUSTMENTS, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    $212.00 Buy New $212.00
    $130.83
    Repair Yours $300.00
    MARSH BELLOFRAM SUA-380-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-380-ASA

    PHASE MONITOR RELAY,
    ✓ IN STOCK!
    $341.00 Buy New $341.00
    $159.42
    Repair Yours $300.00
    MARSH BELLOFRAM PRA-100-AFN-400

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFN-400

    PHASE SEQUENCE MONITOR RELAY 10AMP 208-480VAC
    ✓ IN STOCK!
    $51.07 Buy New $51.07
    $39.29
    Repair Yours $300.00
    MARSH BELLOFRAM PBD-120-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBD-120-ALE

    PHASE SEQUENCE AND VOLTAGE MONITOR, SERIES PBD, NO OF PHASES3, VOLTAGE SUPPORTED 120 VOLTS, HI PWR (OVER VLTG) TRIP , LO PWR (UNDER VLTG) TRIP, TYPE OF DISPLAY LED STATUS INDICATOR
    ✓ IN STOCK!
    $856.00 Buy New $856.00
    $565.00
    Repair Yours $427.00
    MARSH BELLOFRAM PBC-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-440-ALE

    PHASE VOLTAGE MONITORS, 3 PHASE-VOLTAGE MONITOR, DELTA, 390V-540V
    ✓ IN STOCK!
    $720.00 Buy New $720.00
    $271.12
    Repair Yours $300.00
    MARSH BELLOFRAM PBC-120-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBC-120-ALE

    PHASE VOLTAGE MONITORS
    ✓ IN STOCK!
    $707.00 Buy New $707.00
    $538.00
    Repair Yours $300.00
    MARSH BELLOFRAM SLU-0200

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-0200

    PHASE MONITORING RELAY, SPDT, 200-500VAC; PRODUCT RANGE:-; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VAC; SUPP ...
    ✓ IN STOCK!
    $287.50 Buy New $287.50
    $172.50
    Repair Yours $300.00
    MARSH BELLOFRAM SLD-230-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLD-230-ALE

    PHASE VOLTAGE MONITOR, 208/240 VAC, 185-230 V UNDER VOLTAGE DROPOUT RANGE, 3 VA, 5 VAC HYSTERESIS, DPDT OUTPUT
    ✓ IN STOCK!
    $828.00 Buy New $828.00
    $514.14
    Repair Yours $377.00
    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
    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!
    $286.76 Buy New $286.76
    $161.93
    Repair Yours $200.00
    WESTINGHOUSE 290B481A09

    WESTINGHOUSE

    290B481A09

    DISCONTINUED BY MANUFACTURER, RELAY, 5 AMP, 120V, 60HZ, 125VDC, TYPE KLF
    ✓ IN STOCK!
    Buy Surplus As Low As $880.93
    $880.93
    Repair Yours $747.00
    TIME MARK CORP C2652

    TIME MARK CORP

    C2652

    3-PHASE-MONITORS,480VAC, SIZE 3.5IN X 4.5IN X 4.8IN
    ✓ IN STOCK!
    $288.00 Buy New $288.00
    $140.00
    Repair Yours $300.00
    TIME MARK CORP 273-5-120

    TIME MARK CORP

    273-5-120

    CURRENT-MONITOR, OVER/UNDER CURRENT MONITOR, SINGLE PHASE, 8 PIN, SPDT, 1/5 AMP, 0.5 - 5A, 120VAC, PLUG-IN TYPE
    ✓ IN STOCK!
    $155.54 Buy New $155.54
    $72.15
    Repair Yours $300.00
    LOVATO 11LMU380

    LOVATO

    11LMU380

    UNDERVOLTAGE RELEASE LMU 380/ 415V 50HZ
    ✓ IN STOCK!
    $70.00 Buy New $70.00
    $51.65
    TIME MARK CORP B263

    TIME MARK CORP

    B263

    POWER MONITOR, 3 PHASE, 230 VAC, 30-60 HZ, 160-240 VAC, 15 AMP TO 150 VAC,10 AMP TO 240 VAC
    ✓ IN STOCK!
    $185.00 Buy New $185.00
    $85.00
    Repair Yours $300.00
    ALLEN BRADLEY 3380-701080-1925

    ALLEN BRADLEY

    3380-701080-1925

    DISCONTINUED BY MANUFACTURER, RELAY, TIME CURRENT, 1AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $688.00
    $688.00
    Repair Yours $456.83
    ALLEN BRADLEY 817S-PTC-48

    ALLEN BRADLEY

    817S-PTC-48

    THERMISTOR MONITORING RELAY, AUTO/MANUAL/REMOTE, 24-48 VAC/DC, OPEN/SHORT CIRCUIT, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $115.43
    $115.43
    GENERAL ELECTRIC 12GGP53C1A

    GENERAL ELECTRIC

    12GGP53C1A

    DISCONTINUED BY MANUFACTURER, POWER DIRECTIONAL RELAY, 5 AMP, 120 VAC, 60 HZ, TYPE GGP
    ✓ IN STOCK!
    Buy Surplus As Low As $2,951.48
    $2,951.48
    Repair Yours $1,800.00
    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
    WESTINGHOUSE 12PVD11C11A

    WESTINGHOUSE

    12PVD11C11A

    DISCONTINUED BY MANUFACTURER, RELAY, DIFFERENTIAL, 150V, TYPE PVD
    ✓ IN STOCK!
    Buy Surplus As Low As $1,528.10
    $1,528.10
    Repair Yours $1,335.08
    GENERAL ELECTRIC 12PVD11C3A

    GENERAL ELECTRIC

    12PVD11C3A

    DIFFERENTIAL VOLTAGE RELAY 150V 60CYCLES TYPE PVD
    ✓ IN STOCK!
    Buy Surplus As Low As $1,060.23
    $1,060.23
    Repair Yours $1,029.22
    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!
    $525.00 Buy Surplus As Low As $258.65
    $258.65
    Repair Yours $300.00
    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!
    $469.00 Buy Surplus As Low As $282.00
    $282.00
    Repair Yours $300.00
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