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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 201-250 of 841.
    SYMCOM 201-200-DPDT-60MS

    SYMCOM

    201-200-DPDT-60MS

    VOLTAGE MONIOR, 3-PHASE MOTOR PROTECTION, USED ON 120V OR 240V, 50/60HZ MOTORS TO PROTECT FROM DAMAGE CAUSED BY SINGLE PHASING, LOW VOLTAGE, PHASE REVERSAL, AND VOLTAGE UNBALANCE,
    ✓ IN STOCK!
    CAN$137.02 Buy Surplus As Low As CAN$75.92
    CAN$75.92
    REGAL REXNORD 4 1/2F EB SLEEVE

    REGAL REXNORD

    KOP FLEX

    4 1/2F EB SLEEVE

    COUPLING SLEEVE, 4-1/2IN, 10BOLT, 505HP AT 100RPM, 318K IN LB TORQUE, FLANGE OD 13-5/8IN, , 4 1/2F EB SLEEVE
    ✓ IN STOCK!
    CAN$5,791.08 Buy Surplus As Low As CAN$3,006.61
    CAN$3,006.61
    Repair Yours CAN$1,621.98
    GENERAL ELECTRIC 12NLR21U1A

    GENERAL ELECTRIC

    12NLR21U1A

    DISCONTINUED BY MANUFACTURER, RECLOSING RELAY, 48-125 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,213.31
    CAN$1,213.31
    Repair Yours CAN$853.36
    DOLD AN5970

    DOLD

    AN5970

    FAULT ANNUNCIATOR, 50/60HZ, 24V
    ✓ IN STOCK!
    CAN$2,208.86 Buy Surplus As Low As CAN$803.47
    CAN$803.47
    Repair Yours CAN$542.84
    GENERAL ELECTRIC 12HAA15H1F

    GENERAL ELECTRIC

    12HAA15H1F

    AUXILIARY RELAY, 24VDC,AVAILABLE, SURPLUS, NEVER USED, 2 YEAR RADWELL WARRANTY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$673.09
    CAN$673.09
    Repair Yours CAN$500.70
    HONEYWELL R720C-1009

    HONEYWELL

    R720C-1009

    HONEYWELL , R720C-1099, R720C1099, RECEIVER RELAY, 120/208/240/277VAC, 50/60HZ
    ✓ IN STOCK!
    CAN$50.49 Buy Surplus As Low As CAN$21.20
    CAN$21.20
    Repair Yours CAN$373.15
    TE CONNECTIVITY KUHP-11D17-48

    TE CONNECTIVITY

    AMP

    KUHP-11D17-48

    RELAY, 48VDC, 3/4 HP, 120 VAC, 20 AMP
    ✓ IN STOCK!
    CAN$29.22 Buy Surplus As Low As CAN$17.53
    CAN$17.53
    Repair Yours Contact Us
    OMRON G3NA-440B 5-24DC

    OMRON

    G3NA-440B 5-24DC

    DISCONTINUED BY MANUFACTURER, SOLID-STATE RELAY, SURFACE MOUNTING, 1-POLE, 40 AMP, 528 VAC MAX
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$69.16
    CAN$69.16
    TOSHIBA 810-ZCT-100

    TOSHIBA

    810-ZCT-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$541.26
    CAN$541.26
    AUTOMATION DIRECT GFS30-M1A-24-F

    AUTOMATION DIRECT

    ACUAMP

    GFS30-M1A-24-F

    ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPST-N.O., MANUAL RESET OUTPUT, 24 VAC/VDC OPERATING VOLTAGE.
    ✓ IN STOCK!
    CAN$668.99 Buy Surplus As Low As CAN$272.86
    CAN$272.86
    Repair Yours CAN$360.02
    GENERAL ELECTRIC 12IGCV51A5A

    GENERAL ELECTRIC

    MULTILIN

    12IGCV51A5A

    DISCONTINUED BY MANUFACTURER, RELAY VOLTAGE CONTROL, 70-100 V, 4-16 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,620.13
    CAN$2,620.13
    Repair Yours CAN$1,830.33
    GENERAL ELECTRIC 12IAC53B104A

    GENERAL ELECTRIC

    12IAC53B104A

    DISCONTINUED BY MANUFACTURER, RELAY, TIME, OVERCURRENT,TIME OVERCURRENT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$854.90
    CAN$854.90
    Repair Yours CAN$657.06
    GENERAL ELECTRIC 12CEY51A1D

    GENERAL ELECTRIC

    12CEY51A1D

    DISCONTINUED BY MANUFACTURER, DISTANCE RELAY, 5-AMP, 120-VOLTS, 60-CYCLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,643.50
    CAN$1,643.50
    Repair Yours CAN$1,334.14
    GENERAL ELECTRIC 12CEB51B1A

    GENERAL ELECTRIC

    12CEB51B1A

    DISCONTINUED BY MANUFACTURER, OFFSET MHO BLOCKING RELAY, 120 V, 5 AMP, 60 CYL, 0-4O OHMS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,300.37
    CAN$2,300.37
    Repair Yours CAN$1,610.29
    WESTINGHOUSE 606B029A09

    WESTINGHOUSE

    606B029A09

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC, TYPE AR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$198.10
    CAN$198.10
    Repair Yours CAN$366.74
    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 CAN$2,817.43
    CAN$2,817.43
    Repair Yours CAN$1,980.61
    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 CAN$1,833.18
    CAN$1,833.18
    Repair Yours CAN$1,516.03
    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 CAN$168.63
    CAN$168.63
    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 CAN$4,311.79
    CAN$4,311.79
    Repair Yours CAN$2,221.02
    ICM ICM400

    ICM

    ICM400

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3 PHASE, 190-600 VAC ADJUSTABLE INPUT, 50/60 HZ, 0.1-5 MIN LOCK OUT TIME DELAY, 1-15 SEC FAULT INTERROGATION, FRONT AND BACK SIDE PROTECTION, ( ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$382.20
    CAN$382.20
    Repair Yours CAN$360.23
    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!
    CAN$270.26 Buy Surplus As Low As CAN$59.15
    CAN$59.15
    Repair Yours CAN$373.15
    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!
    CAN$169.90 Buy Surplus As Low As CAN$102.26
    CAN$102.26
    Repair Yours CAN$372.24
    INGERSOLL RAND RLY1237

    INGERSOLL RAND

    TRANE

    RLY1237

    TRANE RELAYS, SWITCH AND LIMIT CONTROLS, 12/8A @125/250V, 24 VAC COIL
    ✓ IN STOCK!
    CAN$219.01 Buy Surplus As Low As CAN$120.51
    CAN$120.51
    Repair Yours CAN$366.74
    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!
    CAN$2,329.05 Buy Surplus As Low As CAN$1,201.49
    CAN$1,201.49
    Repair Yours CAN$747.84
    ASEA BROWN BOVERI 1SVR730774R1300

    ASEA BROWN BOVERI

    1SVR730774R1300

    (PRICE/EA) CM-PAS.31S THREE-PHASE MON. , 1SVR730774R1300
    ✓ IN STOCK!
    CAN$538.97 Buy Surplus As Low As CAN$194.69
    CAN$194.69
    Repair Yours CAN$360.02
    ASEA BROWN BOVERI 1SVR730841R1400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730841R1400

    (PRICE/EA) CM-SRS.21S CURRENT MON. RELAY , 1SVR730841R1400
    ✓ IN STOCK!
    CAN$492.16 Buy Surplus As Low As CAN$238.13
    CAN$238.13
    Repair Yours CAN$360.00
    WIELAND SAP-1002

    WIELAND

    SCHLEICHER

    SAP-1002

    PHASE FAILURE MONITORING RELAY, 380-415VAC, 3AC, 50/60HZ
    ✓ IN STOCK!
    CAN$194.30 Buy Surplus As Low As CAN$97.88
    CAN$97.88
    Repair Yours CAN$372.24
    EATON CORPORATION PFR-WMA-105

    EATON CORPORATION

    MOELLER ELECTRIC

    PFR-WMA-105

    MOELLER PFR-WMA-105 MAGNETIC SCREEN
    ✓ IN STOCK!
    CAN$517.15 Buy Surplus As Low As CAN$394.44
    CAN$394.44
    Repair Yours CAN$250.00
    FLUKE 1630

    FLUKE

    1630

    METER, GROUND RESISTANCE, CLAMP TYPE, 0.2-1000MA, FOR ELECTRICAL TESTING GROUND LEAKAGE CURRENT
    ✓ IN STOCK!
    CAN$4,595.96 Buy Surplus As Low As CAN$3,431.99
    CAN$3,431.99
    Repair Yours CAN$1,581.45
    WESTINGHOUSE 12PVD11C11A

    WESTINGHOUSE

    12PVD11C11A

    DISCONTINUED BY MANUFACTURER, RELAY, DIFFERENTIAL, 150V, TYPE PVD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,232.38
    CAN$2,232.38
    Repair Yours CAN$1,651.94
    GENERAL ELECTRIC 12PVD11C3A

    GENERAL ELECTRIC

    12PVD11C3A

    DIFFERENTIAL VOLTAGE RELAY 150V 60CYCLES TYPE PVD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,548.88
    CAN$1,548.88
    Repair Yours CAN$1,280.19
    LABOTEK M301

    LABOTEK

    M301

    PHASE DETECTOR RELAY 24VAC W/SOCKET
    ✓ IN STOCK!
    CAN$460.18 Buy Surplus As Low As CAN$180.60
    CAN$180.60
    Repair Yours CAN$373.15
    LARCO 4000

    LARCO

    4000

    DISCONTINUED BY MANUFACTURER,ZONE MONITOR CONTROL BOX
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$262.96
    CAN$262.96
    Repair Yours CAN$366.74
    GENERAL ELECTRIC 121FC53B3A

    GENERAL ELECTRIC

    121FC53B3A

    RELAY TIME OVER CURRENT, 50/60 HRTZ, 2-50 AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$814.64
    CAN$814.64
    Repair Yours CAN$638.16
    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 CAN$150.12
    CAN$150.12
    Repair Yours CAN$250.00
    GENERAL ELECTRIC SPUV024DCR

    GENERAL ELECTRIC

    SPUV024DCR

    TRANSMISSION RELAY, PWR BRKII, UNDERVOLTAGE RELEASE , SPUV024DCR
    ✓ IN STOCK!
    CAN$1,199.89 Buy Surplus As Low As CAN$719.93
    CAN$719.93
    Repair Yours CAN$490.82
    HUBBELL GFP6C15M

    HUBBELL

    GFP6C15M

    GFCI LINECORD, 15 AMP, 120 VOLTS, 6 FOOT
    ✓ IN STOCK!
    CAN$232.61 Buy Surplus As Low As CAN$139.89
    CAN$139.89
    2N 9159010

    2N

    9159010

    DISCONTINUED BY MANUFACTURER, SECURITY RELAY, 30 VAC/DC, 1 AMP, 12 V OUTPUT 700 MAMP OUTPUT DC, PASSIVE SWITCH, NO/NC CONTACT FORM
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$66.97
    CAN$66.97
    Repair Yours CAN$360.02
    ASEA BROWN BOVERI 1SVR730841R1500

    ASEA BROWN BOVERI

    1SVR730841R1500

    RELAY, CURRENT MONITORING, CM-SRS.22S , 1SVR730841R1500
    ✓ IN STOCK!
    CAN$492.16 Buy Surplus As Low As CAN$385.67
    CAN$385.67
    Repair Yours CAN$250.00
    ASEA BROWN BOVERI 1SVR730840R0300

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR730840R0300

    (PRICE/EA) CM-SRS.12S CURRENT MON. RELAY , 1SVR730840R0300
    ✓ IN STOCK!
    CAN$824.30 Buy Surplus As Low As CAN$645.26
    CAN$645.26
    Repair Yours CAN$360.02
    TIME MARK CORP D263

    TIME MARK CORP

    D263

    POWER MONITOR, 3-PHASE, 575 VAC 60 HZ NOMINAL, 450-575 VAC ADJUST RANGE, 10/15 AMP
    ✓ IN STOCK!
    CAN$270.26 Buy Surplus As Low As CAN$162.16
    CAN$162.16
    EATON CORPORATION EASY821-DC-TC

    EATON CORPORATION

    CUTLER HAMMER

    EASY821-DC-TC

    EASY PROGRAMMABLE RELAY, 800 SERIES, 24 V DC, 12 DIGITAL INPUTS, 8 TRANSISTOR OUTPUTS, INCLUDES CLOCK AND DISPLAY, OPTIONAL 4 ANALOG INPUTS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$811.74
    CAN$811.74
    Repair Yours CAN$663.60
    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 CAN$148.06
    CAN$148.06
    Repair Yours CAN$372.24
    LOVATO 31-ASF380

    LOVATO

    31-ASF380

    RELAY PHASE SEQUENCE ASF 380/415VAC DIN 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$219.13
    CAN$219.13
    Repair Yours CAN$368.87
    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!
    CAN$685.16 Buy Surplus As Low As CAN$411.97
    CAN$411.97
    Repair Yours CAN$360.02
    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!
    CAN$663.24 Buy Surplus As Low As CAN$505.47
    CAN$505.47
    Repair Yours CAN$360.02
    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 CAN$507.60
    CAN$507.60
    Repair Yours CAN$372.24
    TYCO 565-558

    TYCO

    SIMPLEXGRINNELL

    565-558

    4009 EARTH DETECT BOARD ASSEMBLY
    ✓ IN STOCK!
    CAN$61.36 Buy Surplus As Low As CAN$24.54
    CAN$24.54
    Repair Yours CAN$366.74
    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 CAN$130.82
    CAN$130.82
    SIEMENS 5TT3400

    SIEMENS

    5TT3400

    VOLTAGE RELAY, T5570 AC 230/400V, 1CO 0.7/0.9, WITH TRANSPARENT CAP
    ✓ IN STOCK!
    CAN$116.87 Buy Surplus As Low As CAN$89.11
    CAN$89.11
    Repair Yours CAN$360.00
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