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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.

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    Results 301-350 of 841.
    OMRON K8DT-AW1TD

    OMRON

    K8DT-AW1TD

    MEASURING AND MONITORING, CURRENT RELAY, 1-PHASE, 24VAC, DIN RAIL, 50/60HZ
    ✓ IN STOCK!
    CAN$371.60 Buy Surplus As Low As CAN$207.74
    CAN$207.74
    Repair Yours CAN$369.82
    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!
    CAN$208.26 Buy Surplus As Low As CAN$87.45
    CAN$87.45
    GENERAL ELECTRIC 12IFC66AD1A

    GENERAL ELECTRIC

    12IFC66AD1A

    DISCONTINUED BY MANUFACTURER, PROT RELAY, LONG TIME OVERCURRENT, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$253.00
    CAN$253.00
    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!
    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
    GAST MANUFACTURING AJ135G

    GAST MANUFACTURING

    AJ135G

    FILTER
    ✓ IN STOCK!
    CAN$236.66 Buy Surplus As Low As CAN$156.32
    CAN$156.32
    ASEA BROWN BOVERI 64418ZA

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418ZA

    RELAY 300VDC/1AMP
    ✓ IN STOCK!
    CAN$4,023.54 Buy Surplus As Low As CAN$1,722.05
    CAN$1,722.05
    Repair Yours CAN$1,281.00
    MARSH BELLOFRAM PRA-100-AFN-400

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFN-400

    PHASE SEQUENCE MONITOR RELAY 10AMP 208-480VAC
    ✓ IN STOCK!
    CAN$74.61 Buy New CAN$74.61
    CAN$57.40
    Repair Yours CAN$371.20
    MARSH BELLOFRAM SLA-460-AFE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLA-460-AFE

    PHASE MONITOR/RELAY, 460VAC , 3 PHASE
    ✓ IN STOCK!
    CAN$1,143.18 Buy New CAN$1,143.18
    CAN$447.57
    Repair Yours CAN$377.28
    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!
    CAN$801.36 Buy Surplus As Low As CAN$439.41
    CAN$439.41
    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
    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!
    CAN$102.26 Buy Surplus As Low As CAN$45.04
    CAN$45.04
    Repair Yours CAN$369.63
    BENDER RCMA420-D-1

    BENDER

    RCMA420-D-1

    GROUND-FAULT MONITOR, FOR GROUNDED AND HIGH-RESISTANCE, 10MA-500MA, RMS MEASURMENT VALUES
    ✓ IN STOCK!
    CAN$2,222.70 Buy Surplus As Low As CAN$645.45
    CAN$645.45
    ASEA BROWN BOVERI 64418-1X

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418-1X

    RELAY, 1 AMP, 300 VDC
    ✓ IN STOCK!
    CAN$2,276.07 Buy Surplus As Low As CAN$921.69
    CAN$921.69
    Repair Yours CAN$757.83
    ASEA BROWN BOVERI 1SVR510730R0300

    ASEA BROWN BOVERI

    1SVR510730R0300

    CM-UFS.M21 GRID FEEDING MONITOR
    ✓ IN STOCK!
    CAN$1,336.08 Buy Surplus As Low As CAN$443.86
    CAN$443.86
    Repair Yours CAN$373.15
    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
    SIEMENS 3TX7015-1BF00

    SIEMENS

    3TX7015-1BF00

    DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER, SERIES 3TX, W/ PLUG-IN RELAY, SINGLE CHANGEOVER CONTACT, 1-3AMP, 24-230V AC/DC, 50HZ, 1W POWER RATING, SPRING-TYPE TERMINAL, 6.2MM HOUSING WIDTH ...
    ✓ IN STOCK!
    CAN$124.18 Buy Surplus As Low As CAN$36.70
    CAN$36.70
    SIEMENS 3TK2040-7AP0

    SIEMENS

    3TK2040-7AP0

    DISCONTINUED BY MANUFACTURER, MINIATURE CONTACTOR, FLAT CONNECTOR TERMINAL, 4 NO, SCREW MOUNTING (DIAGONAL), 230 VAC AT 50 HZ, 277 VAC AT 60 HZ, AC OPERATION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$27.76
    CAN$27.76
    MACROMATIC PAP208

    MACROMATIC

    PAP208

    RELAY, 3 PH, SPDT, 156VAC, 198VAC; PRODUCT RANGE:PAP SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MAX:277V ...
    ✓ IN STOCK!
    CAN$184.07 Buy New CAN$184.07
    CAN$78.89
    Repair Yours CAN$369.63
    ASEA BROWN BOVERI 64418-1W

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418-1W

    RELAY
    ✓ IN STOCK!
    CAN$2,001.63 Buy Surplus As Low As CAN$1,585.90
    CAN$1,585.90
    Repair Yours CAN$1,008.66
    ASEA BROWN BOVERI 64418-1RR

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    64418-1RR

    DISCONTINUED BY MANUFACTURER, RELAY, 300 VOLT, 1 AMP, 2.5 VOLT DC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,850.79
    CAN$1,850.79
    Repair Yours CAN$1,184.31
    MARSH BELLOFRAM SLB-400-ALEA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLB-400-ALEA

    PHASE UNBALANCE & LOSS & PHASE SEQUENCE MONITOR/RELAY, LED STATUS INDICATOR, 3.25 IN X 4 IN X 3 IN, MOUNTING:SURFACE, OUTPUT RELAY:SPDT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$230.19
    CAN$230.19
    Repair Yours CAN$373.15
    MACROMATIC VAKP012D

    MACROMATIC

    VAKP012D

    VOLTAGE MONITOR RELAY FOR 12 VDC, 10 AMP RELAY, DPDT, ADJ PICK UP AND DROP OUT, ADJ DROPOUT DELAY 0.1-10 SECONDS, PLUG-IN
    ✓ IN STOCK!
    CAN$258.58 Buy New CAN$258.58
    CAN$170.92
    Repair Yours CAN$369.63
    SEL 071001D6X9X71870200

    SEL

    071001D6X9X71870200

    MOTOR PROTECTION RELAY, POWER SUPPLY 110-250 VDC, 110-240 VAC 50/60 HZ, 40 VA/15W, ENCLOSURE TYPE 12, TERMINAL PROTECTION
    ✓ IN STOCK!
    CAN$5,655.73 Buy Surplus As Low As CAN$2,090.62
    CAN$2,090.62
    Repair Yours CAN$1,555.17
    GENERAL ELECTRIC 12CFF23A1A

    GENERAL ELECTRIC

    12CFF23A1A

    DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, 120 V, 48/125/250 VDC, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$948.91
    CAN$948.91
    Repair Yours CAN$664.25
    GENERAL ELECTRIC 12SFF31A1A

    GENERAL ELECTRIC

    12SFF31A1A

    DISCONTINUED BY MANUFACTURER, RELAY, STATIC FREQUENCY, TYPE SFF, 120 V RMS, 24-108 VAC, 48 / 110 / 450 VDC, 44-61 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$613.57
    CAN$613.57
    Repair Yours CAN$426.16
    RADWELL VERIFIED SUBSTITUTE D65VMLS480-SUB

    RADWELL VERIFIED SUBSTITUTE

    D65VMLS480-SUB

    SUBSTITUTE FOR EATON CORPORATION D65VMLS480, PHASE MONITOR RELAY, 3-PHASE , 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABL ...
    ✓ IN STOCK!
    CAN$262.96 Buy New CAN$262.96
    Repair Yours CAN$250.00
    GENERAL ELECTRIC 12CLPG12B3A

    GENERAL ELECTRIC

    12CLPG12B3A

    DISCONTINUED BY MANUFACTURER, CARRIER GROUND DIRECTIONAL RELAY, 120VAC, 5AMP, 60HZ, 125VDC, 1AMP, 1-4/2-8 OVERCURRENT AMP, TYPE CLPG12C
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,467.36
    CAN$1,467.36
    Repair Yours CAN$1,000.46
    REGAL REXNORD 3 1/2F SB SLEEVE

    REGAL REXNORD

    KOP FLEX

    3 1/2F SB SLEEVE

    3 1/2F SB SLEEVE, FAST COUPLING-500 , 3 1/2F SB SLEEVE
    ✓ IN STOCK!
    CAN$3,974.19 Buy Surplus As Low As CAN$2,362.10
    CAN$2,362.10
    Repair Yours CAN$1,074.04
    KEYENCE CORP RF-500

    KEYENCE CORP

    RF-500

    LASER SCANNER, W BREAKAGE, DC 5 V, CLASS 2, 12 PIN ROUND CONNECTION
    ✓ IN STOCK!
    CAN$3,449.16 Buy Surplus As Low As CAN$930.12
    CAN$930.12
    Repair Yours CAN$729.92
    ALTECH CORP GFR4D20030

    ALTECH CORP

    GFR4D20030

    EGFP+OL, 20A/480Y/277V AC, 30MA, D TRIP, 3POLE+N,50/60HZ UL1053
    ✓ IN STOCK!
    CAN$368.14 Buy Surplus As Low As CAN$280.49
    CAN$280.49
    ASEA BROWN BOVERI 290B658A09

    ASEA BROWN BOVERI

    290B658A09

    DISCONTINUED BY MANUFACTURER, DIFFERENTIAL RELAY, KD3, SINGLE PHASE, DISTANCE, 290B658R09
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,509.27
    CAN$1,509.27
    Repair Yours CAN$1,143.37
    GENERAL ELECTRIC 12HFC21B2A

    GENERAL ELECTRIC

    12HFC21B2A

    DISCONTINUED BY MANUFACTURER, RELAY, OVERCURRENT, 2-50AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$238.20
    CAN$238.20
    Repair Yours CAN$369.82
    ASEA BROWN BOVERI 1963190

    ASEA BROWN BOVERI

    1963190

    ABB, 1963190, SV VOLTAGE RELAY, 120VAC, 60HZ, SETTINGS 70-150
    ✓ IN STOCK!
    CAN$1,147.84 Buy Surplus As Low As CAN$519.24
    CAN$519.24
    Repair Yours CAN$373.15
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