Product Search

    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.

    Filter Results
    Results 251-300 of 845.
    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
    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
    SCHNEIDER ELECTRIC RM4-TA31

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    RM4-TA31

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE, RELAY, 300V, 5A, RM4
    ✓ IN STOCK!
    Buy Surplus As Low As $220.01
    $220.01
    SCHNEIDER ELECTRIC PR-101-PLR

    SCHNEIDER ELECTRIC

    SQUARE D

    PR-101-PLR

    DISCONTINUED BY MANUFACTURER, RELAY PHASE LOSS/REVERSAL 5AMP 120VAC .01OHM 60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $60.17
    $60.17
    SCHNEIDER ELECTRIC GP-200C

    SCHNEIDER ELECTRIC

    SQUARE D

    GP-200C

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, TYPE GP, 200-1100A, TRIP SETTING
    ✓ IN STOCK!
    Buy Surplus As Low As $377.78
    $377.78
    Repair Yours $300.00
    SCHNEIDER ELECTRIC 60995

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    60995

    DISCONTINUED BY MANUFACTURER 06/30/21, GROUND FAULT PROTECTOR, 4 POLES, 63 AMP, 240-480 VAC, 50/60 HZ, 30 MA, -25 TO +60 DEGREES C, IP20 / IP40, SUCCESSOR IS M9R81463
    ✓ IN STOCK!
    Buy Surplus As Low As $1,140.00
    $1,140.00
    GENERAL ELECTRIC 704169

    GENERAL ELECTRIC

    704169

    DISCONTINUED BY MANUFACTURER, DIFERENCIAL RD5 220V 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $260.45
    $260.45
    Repair Yours $300.00
    GOTRONIC 621102

    GOTRONIC

    621102

    MOTION CONTROL UNDERSPEED SWITCH 120VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $350.54
    $350.54
    Repair Yours $300.00
    GOTRONIC 555100

    GOTRONIC

    555100

    DISCONTINUED BY MANUFACTURER, POWER LINE MONITOR, 480VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $473.71
    $473.71
    Repair Yours $314.54
    GOTRONIC 559100

    GOTRONIC

    559100

    POWER LINE MONITOR,120VAC,10AMP,4-5 SEC
    ✓ IN STOCK!
    Buy Surplus As Low As $135.76
    $135.76
    Repair Yours $300.00
    EATON CORPORATION 8137869B0

    EATON CORPORATION

    COOPER POWER

    8137869B0

    FAULT INDICATOR LINAM 800AMP 1.81IN OD 3Q97
    ✓ IN STOCK!
    $26.57 Buy Surplus As Low As $22.14
    $22.14
    GENERAL ELECTRIC 12HAA15B5F

    GENERAL ELECTRIC

    12HAA15B5F

    DISCONTINUED BY MANUFACTURER, RELAY AUXILIARY W/CASE, 125VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $262.67
    $262.67
    Repair Yours $300.00
    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
    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
    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
    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
    LABOTEK M301

    LABOTEK

    M301

    PHASE DETECTOR RELAY 24VAC W/SOCKET
    ✓ IN STOCK!
    $315.00 Buy Surplus As Low As $123.62
    $123.62
    Repair Yours $300.00
    LARCO 4000

    LARCO

    4000

    DISCONTINUED BY MANUFACTURER,ZONE MONITOR CONTROL BOX
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    Repair Yours $300.00
    GENERAL ELECTRIC 121FC53B3A

    GENERAL ELECTRIC

    121FC53B3A

    RELAY TIME OVER CURRENT, 50/60 HRTZ, 2-50 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $557.63
    $557.63
    Repair Yours $514.31
    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
    MARSH BELLOFRAM CMB-120-AFA-1

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMB-120-AFA-1

    CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 1 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
    ✓ IN STOCK!
    $196.00 Buy New $196.00
    $114.00
    Repair Yours $300.00
    MARSH BELLOFRAM CMU-120-ASA-5

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMU-120-ASA-5

    UNDER CURRENT MONITOR, CMU SERIES, 120 VAC, PLUG-IN, 1 TO 5 AMP ADJUSTABLE CURRENT TRIP POINTS, 11 PIN
    ✓ IN STOCK!
    $403.00 Buy New $403.00
    $253.63
    Repair Yours $300.00
    MARSH BELLOFRAM CMO-120-ASE-10

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    CMO-120-ASE-10

    OVERCURRENT MONITOR RELAY, CMO SERIES, 24-120 V AC/DC, 50/60 HZ, SURFACE MOUNT, 2-10 AMP ADJUSTABLE TRIP POINTS
    ✓ IN STOCK!
    $534.96 Buy New $534.96
    $250.37
    Repair Yours $300.00
    MARSH BELLOFRAM AC-301-440

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    AC-301-440

    THREE PHASE MONITOR, AC-301 SERIES, DELAY-ON-MAKE, 430-480 VAC OPERATING, 2 SECOND DELAY ON DROP OUT
    ✓ IN STOCK!
    $491.00 Buy New $491.00
    $236.23
    Repair Yours $300.00
    Previous Next
    1 2 3 4 5 6 7 8 9 10 11