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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
    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 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
    SIEMENS 3UG4633-2AL30

    SIEMENS

    3UG4633-2AL30

    DIGITAL MONITORING RELAY, VOLTAGE MONITORING, 17-275 V AC/DC, 0.1-20 SECOND DELAY , 3UG4633-2AL30
    ✓ IN STOCK!
    $415.00 Buy Surplus As Low As $92.02
    $92.02
    Repair Yours $300.00
    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 $102.76
    $102.76
    Repair Yours Contact Us
    GENERAL ELECTRIC SPUV024DCR

    GENERAL ELECTRIC

    SPUV024DCR

    TRANSMISSION RELAY, PWR BRKII, UNDERVOLTAGE RELEASE , SPUV024DCR
    ✓ IN STOCK!
    $821.34 Buy Surplus As Low As $492.80
    $492.80
    Repair Yours $409.02
    HUBBELL GFP6C15M

    HUBBELL

    GFP6C15M

    GFCI LINECORD, 15 AMP, 120 VOLTS, 6 FOOT
    ✓ IN STOCK!
    $164.00 Buy Surplus As Low As $95.76
    $95.76
    HUBBELL GFP15M

    HUBBELL

    KELLEMS

    GFP15M

    GFCI RECEPTACLE, POWER CORD, 5-15P/5-15R, 6 FEET, 120VAC
    ✓ IN STOCK!
    $739.00 Buy Surplus As Low As $444.00
    $444.00
    Repair Yours $369.00
    HUBBELL GFP1311

    HUBBELL

    GFP1311

    PORTABLE GFCI, HEAVY DUTY, STRAIGHT BLADE, 30A, 120VAC, AUTOMATIC, 2FT, YELLOW
    ✓ IN STOCK!
    $539.04 Buy Surplus As Low As $285.71
    $285.71
    Repair Yours $300.00
    TIME MARK CORP 173-5-120

    TIME MARK CORP

    173-5-120

    CURRENT MONITOR, MODEL 173, AC
    ✓ IN STOCK!
    $212.10 Buy New $212.10
    $116.03
    Repair Yours Contact Us
    EATON CORPORATION FP5200-10

    EATON CORPORATION

    CUTLER HAMMER

    FP5200-10

    DISCONTINUED BY MANUFACTURER, FEEDER PROTECTION RELAY, FP-5000, INCOM COMMUNICATION PROTOCOL, 5 AMP CURRENT RANGE, 100-240 VAC/VDC, DRAWOUT PACKAGING, PHASE AND GROUND OVERCURRENT PROTECTION
    ✓ IN STOCK!
    Buy Surplus As Low As $11,514.00
    $11,514.00
    Repair Yours $4,990.00
    ASEA BROWN BOVERI DLMHBRAAA

    ASEA BROWN BOVERI

    SSAC

    DLMHBRAAA

    RELAYS & MONITORS, SINGLE FUNCTION, 3 PHASE, 500-600 VAC
    ✓ IN STOCK!
    $447.00 Buy Surplus As Low As $150.78
    $150.78
    Repair Yours $300.00
    SIEMENS 3UG4614-2BR20

    SIEMENS

    3UG4614-2BR20

    DIGITAL MONITORING RELAY, ASYMMETRY 0-20%, PHASE SEQUENCE CAN BE ACTIVATED PHASE FAILURE 3 X, 160 TO 690 V 50 TO 60 HZ, AC UNDERVOLTAGE 160-690 V, HYSTERESIS 1-20 V, ON AND OFF DELAY 0-20 S, ...
    ✓ IN STOCK!
    $402.00 Buy Surplus As Low As $306.00
    $306.00
    Repair Yours $300.00
    CARLO GAVAZZI DPB71CM48

    CARLO GAVAZZI

    DPB71CM48

    480 VAC 3-PH OVER/UNDER VOLT. RLY
    ✓ IN STOCK!
    $619.00 Buy New $619.00
    $289.44
    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
    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
    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 $101.35
    $101.35
    Repair Yours $300.00
    EMOTRON EL-FI-M10

    EMOTRON

    EL-FI-M10

    DISCONTINUED BY MANUFACTURER, SHAFT POWER MONITOR, 1.5AMP, 100-690VAC, 50/60HZ, REPLACEMENT: EL-FI-M20
    ✓ IN STOCK!
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $880.00
    LOVATO 31-ASF380

    LOVATO

    31-ASF380

    RELAY PHASE SEQUENCE ASF 380/415VAC DIN 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $150.00
    $150.00
    Repair Yours $300.00
    AUTOMATION DIRECT AD-PR40-1C-120A

    AUTOMATION DIRECT

    AD-PR40-1C-120A

    AUTOMATIONDIRECT POWER RELAY, PANEL MOUNT, OPEN, 120 VAC COIL VOLTAGE, SPDT, (1) N.O., (1) N.C., 40A CONTACT RATING, SCREW TERMINAL(S).
    ✓ IN STOCK!
    $36.72 Buy Surplus As Low As $19.19
    $19.19
    Repair Yours $300.00
    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!
    $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
    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!
    $454.00 Buy Surplus As Low As $346.00
    $346.00
    Repair Yours $300.00
    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
    ✓ IN STOCK!
    $255.00 Buy Surplus As Low As $194.00
    $194.00
    Repair Yours $300.00
    WESTINGHOUSE 606B029A09

    WESTINGHOUSE

    606B029A09

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC, TYPE AR
    ✓ IN STOCK!
    Buy Surplus As Low As $135.60
    $135.60
    Repair Yours $300.00
    WESTINGHOUSE 290B346A09

    WESTINGHOUSE

    290B346A09

    DISCONTINUED BY MANUFACTURER, TRANSFORMER DIFFERENTIAL RELAY, TYPE HU, 60 HZ, 0.2-2 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,928.57
    $1,928.57
    Repair Yours $1,600.71
    SIEMENS 3RH2122-1AK60

    SIEMENS

    3RH2122-1AK60

    RELAY, CONTACTOR RELAY, 2 NO/2 NC, 120 VAC, 10 AMPS, SCREW, DIN RAIL MOUNT, REPLACES 3RH1122-1AK60
    ✓ IN STOCK!
    $126.10 Buy Surplus As Low As $75.66
    $75.66
    Repair Yours $300.00
    SIEMENS 3RH2262-1BB40

    SIEMENS

    3RH2262-1BB40

    CONTACTOR RELAY, AUXILIARY, 10 AMP, 24 VDC, 6 NO + 2 NC, CAPTIVE AUXILIARY SWITCH, SIZE S00, SCREW TERMINAL, SUCCESSOR FOR 3RH1262-1BB40
    ✓ IN STOCK!
    $268.80 Buy Surplus As Low As $161.28
    $161.28
    Repair Yours $300.00
    WESTINGHOUSE 290B038A09

    WESTINGHOUSE

    290B038A09

    DISCONTINUED BY MANUFACTURER, REVERSE POWER RELAY, TYPE CRN-1, 5 AMP, 120 VAC, 0.2-2 AMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,254.84
    $1,254.84
    Repair Yours $1,225.24
    ICM ICM402

    ICM

    ICM402

    LINE VOLTAGE MONITOR, THREE-PHASE, 30 AMP, 190-600VAC
    ✓ IN STOCK!
    $124.00 Buy Surplus As Low As $69.00
    $69.00
    MACROMATIC PMPU

    MACROMATIC

    PMPU

    MONITOR RELAY, 3-PHASE, 190-500 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL FIXED, UNBALANCE, OVER/UNDER VOLTAGE, ADJUSTABLE
    ✓ IN STOCK!
    $246.88 Buy New $246.88
    $148.13
    Repair Yours $300.00
    SIEMENS 3TX7115-5DC03C

    SIEMENS

    3TX7115-5DC03C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 16A, 24VDC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC03C
    ✓ IN STOCK!
    $55.00 Buy Surplus As Low As $19.68
    $19.68
    Repair Yours $300.00
    SIEMENS 3TX71155DC13C

    SIEMENS

    3TX71155DC13C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 10A, 24VAC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC13C
    ✓ IN STOCK!
    $65.00 Buy Surplus As Low As $50.00
    $50.00
    Repair Yours $300.00
    GENERAL ELECTRIC 12IFC77A2A

    GENERAL ELECTRIC

    12IFC77A2A

    RELAY ,OVERCURRENT EXTREMELY INVERSE, 50/60 HTZ, 2-50 AMPS
    ✓ IN STOCK!
    $1,428.57 Buy Surplus As Low As $475.69
    $475.69
    Repair Yours $461.79
    SIEMENS 3TX7015-1BM02

    SIEMENS

    3TX7015-1BM02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, SPRING-TYPE TERMINAL, 24VDC, 50HZ, 0.5W
    ✓ IN STOCK!
    $49.00 Buy Surplus As Low As $23.09
    $23.09
    Repair Yours $300.00
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