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.

    Filter Results
    Results 501-550 of 846.
    MARSH BELLOFRAM SLM-230-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLM-230-ASE

    PHASE MONITOR, MICROPROCESSOR CONTROLLED, 200-250 VAC, CONTACTS: 10 AMP @ 240 VAC
    ✓ IN STOCK!
    CAN$908.00 Buy New CAN$908.00
    CAN$517.99
    Repair Yours CAN$430.00
    MARSH BELLOFRAM SLM-440-ASE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLM-440-ASE

    PHASE MONITOR, TIME DELAY, 440-490 VAC, 50/60 HZ, 3 AMP
    ✓ IN STOCK!
    CAN$1,031.00 Buy New CAN$1,031.00
    CAN$588.00
    Repair Yours CAN$489.00
    MARSH BELLOFRAM SLU-100-ASA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SLU-100-ASA

    PHASE MONITORING RELAY, SLU-100 SERIES, UNIVERSAL, SPDT CONTACT FORM, 10 AMP, 8 PIN, 550 VAC SUPPLY, 240 V RATING
    ✓ IN STOCK!
    CAN$289.00 Buy New CAN$289.00
    CAN$146.00
    Repair Yours CAN$250.00
    MARSH BELLOFRAM PBD-440-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBD-440-ALE

    3 PHASE SEQUENCE & VOLTAGE BAND MONITOR/RELAYS, MAX VOLTAGE 550 VAC, ADJUSTABLE RANGES 390-480 UNDER/440-540 OVER, DPDT, CONTACT RATING 600 VAC, AUTOMATIC RESET
    ✓ IN STOCK!
    CAN$830.00 Buy New CAN$830.00
    CAN$461.99
    Repair Yours CAN$384.00
    MARSH BELLOFRAM PBD-480-ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PBD-480-ALE

    PHASE SEQUENCE AND VOLTAGE BAND MONITOR,480VAC 50/60HZ,CONTACTS 10AMP 240VAC RES,360VA 600VAC IND
    ✓ IN STOCK!
    CAN$830.00 Buy New CAN$830.00
    CAN$498.00
    Repair Yours CAN$414.00
    MARSH BELLOFRAM PRA-100-AFA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PRA-100-AFA

    PHASE SEQUENCE MONITOR, 208-480VAC SUPPLY, CONTACTS 10A AT 240VAC, 8PIN SOCKET
    ✓ IN STOCK!
    CAN$433.00 Buy New CAN$433.00
    CAN$330.00
    Repair Yours CAN$250.00
    MARSH BELLOFRAM SUA-230-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    SUA-230-ALA

    PHASE MONITOR RELAY, SPDT, 10 AMP AT 240 VAC, 190-270 V ADJUSTABLE, LOCK SHAFT, OCTAL PLUG IN
    ✓ IN STOCK!
    CAN$474.00 Buy New CAN$474.00
    CAN$285.00
    Repair Yours CAN$250.00
    MARSH BELLOFRAM VBA-208-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-208-ALA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    CAN$664.00 Buy New CAN$664.00
    CAN$505.00
    Repair Yours CAN$332.00
    ASEA BROWN BOVERI 69326-2R

    ASEA BROWN BOVERI

    BALDOR RELIANCE

    69326-2R

    RELAY, POWER TYPE, 24VDC COIL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$28.75
    CAN$28.75
    TELE CONTROLS G2PM400VSY20 24-240VAC/DC

    TELE CONTROLS

    G2PM400VSY20 24-240VAC/DC

    VOLTAGE MONITORING RELAY, GAMMA SERIES, DPDT, 3 AMP, ZOOM VOLTAGE 24 TO 240 VAC/DC, SCREW TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$433.72 Buy New CAN$433.72
    CAN$320.90
    Repair Yours CAN$250.00
    TIME MARK CORP 20

    TIME MARK CORP

    20

    3-PHASE-MONITORS,WITH TRIP AND RESTART DELAYS, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN
    ✓ IN STOCK!
    CAN$188.87 Buy Surplus As Low As CAN$104.76
    CAN$104.76
    Repair Yours CAN$300.00
    GRAINGER 6X555

    GRAINGER

    GRAINGER APPROVED VENDOR

    6X555

    RELAY 35AMP 1POLE N/C POTENTIAL RELAY
    ✓ IN STOCK!
    CAN$37.64 Buy Surplus As Low As CAN$15.55
    CAN$15.55
    Repair Yours Contact Us
    KEARNEY NATIONAL INC 22.017-03-200-A/4H

    KEARNEY NATIONAL INC

    22.017-03-200-A/4H

    DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 200 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$20.02
    CAN$20.02
    KEARNEY NATIONAL INC 22.017-04-600-A/4H

    KEARNEY NATIONAL INC

    22.017-04-600-A/4H

    DISCONTINUED BY MANUFACTURER, FAULT INDICATOR CRAB, 600AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$20.02
    CAN$20.02
    MACROMATIC PMP575

    MACROMATIC

    PMP575

    3-PHASE MONITOR RELAY, 575 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
    ✓ IN STOCK!
    CAN$312.58 Buy New CAN$312.58
    CAN$182.96
    ASEA BROWN BOVERI CM-ESS.1S

    ASEA BROWN BOVERI

    CM-ESS.1S

    VOLTAGE MONITORING RELAY, SPDT, 4 AMP, 250 VAC, 750 MW, 81-12 AWG, SCREW TYPE TERMINALS, DIN RAIL MOUNT, -40 TO +85 DEGREE C, (1SVR730830R0300)
    ✓ IN STOCK!
    CAN$1,054.06 Buy Surplus As Low As CAN$651.41
    CAN$651.41
    Repair Yours CAN$360.00
    SIEMENS 3TK2022-7AM0

    SIEMENS

    FURNAS ELECTRIC CO

    3TK2022-7AM0

    MINIATURE CONTACTOR, FLAT CONNECTOR TERMINAL, 2 NO + 2 NC, SCREW MOUNTING (DIAGONAL), 220VAC, 50-60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$191.67
    CAN$191.67
    TE CONNECTIVITY KUHP-11D17-48

    TE CONNECTIVITY

    AMP

    KUHP-11D17-48

    RELAY, 48VDC, 3/4 HP, 120 VAC, 20 AMP
    ✓ IN STOCK!
    CAN$29.04 Buy Surplus As Low As CAN$17.42
    CAN$17.42
    Repair Yours Contact Us
    HONEYWELL R720C-1009

    HONEYWELL

    R720C-1009

    HONEYWELL , R720C-1099, R720C1099, RECEIVER RELAY, 120/208/240/277VAC, 50/60HZ
    ✓ IN STOCK!
    CAN$50.18 Buy Surplus As Low As CAN$21.07
    CAN$21.07
    Repair Yours CAN$370.89
    NK TECHNOLOGIES AG3-SDT1-120-DEN-TR3

    NK TECHNOLOGIES

    AG3-SDT1-120-DEN-TR3

    AC GROUND FAULT SENSOR, AG SERIES, MECHANICAL RELAY OUTPUT, SOLID-CORE, 120 - 120 VAC POWERED, JUMPER SELECT 5, 10 OR 30 MA SETPOINT, NORMALLY DE-ENERGIZED, TOP TERMINALS, SPDT 1 A @ 120 VAC ...
    ✓ IN STOCK!
    CAN$628.23 Buy Surplus As Low As CAN$323.91
    CAN$323.91
    Repair Yours CAN$300.00
    NK TECHNOLOGIES AGT1-420-24L-FL

    NK TECHNOLOGIES

    AGT1-420-24L-FL

    AC GROUND FAULT TRANSDUCER SENSORS,AGT SERIES,SOLID-CORE, 24L - 24 VDC LOOP-POWERED, 0-50 MA RANGE, TOP TERMINALS, 4-20 MA
    ✓ IN STOCK!
    CAN$518.86 Buy Surplus As Low As CAN$313.52
    CAN$313.52
    Repair Yours CAN$300.00
    ASEA BROWN BOVERI 1SVR550824R9100

    ASEA BROWN BOVERI

    1SVR550824R9100

    PHASE MONITORING RELAY, SINGLE FUNCTION, CM-PFE SERIES, 3 PHASE,4 AMP, 28-440 VAC, 50/60 HZ, 1 C/O (SPDT) OUTPUT, SCREW TYPE TERMINALS, -20 TO +85 DEGREES C, IP20/50, (CM-PFE)
    ✓ IN STOCK!
    CAN$202.11 Buy Surplus As Low As CAN$78.07
    CAN$78.07
    Repair Yours CAN$300.00
    ASEA BROWN BOVERI WLM645A5S

    ASEA BROWN BOVERI

    SSAC

    WLM645A5S

    SSAC, ASEA BROWN BOVERI, WLM645A5S, VOLTAGE MONITOR THREE PHASE, 200/240VAC, 5SEC TRIP DELAY
    ✓ IN STOCK!
    CAN$236.19 Buy Surplus As Low As CAN$124.31
    CAN$124.31
    Repair Yours CAN$368.95
    MOTOR PROTECTION ELEC. INC 002-480-123

    MOTOR PROTECTION ELEC. INC

    002-480-123

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR , SUGGESTED REPLACEMENT IS 001-DVM-DR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$127.78
    CAN$127.78
    Repair Yours CAN$364.52
    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$669.01
    CAN$669.01
    Repair Yours CAN$497.66
    DOLD BA 9043/001 3AC 50/60HZ 400V

    DOLD

    BA 9043/001 3AC 50/60HZ 400V

    RELAY, VOLTAGE SENSING, DPDT, 400VAC; PRODUCT RANGE:BA 9043 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:3A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:230VAC; RELAY TERMINALS:SCREW ...
    ✓ IN STOCK!
    CAN$556.28 Buy Surplus As Low As CAN$187.69
    CAN$187.69
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI CM-EFS.2S

    ASEA BROWN BOVERI

    CM-EFS.2S

    VOLTAGE MONITORING RELAY, 24-240VAC, SPDT, 4A @ 250V, SCREW TERMINAL, CM SERIES
    ✓ IN STOCK!
    CAN$832.13 Buy Surplus As Low As CAN$651.38
    CAN$651.38
    Repair Yours CAN$360.00
    SIEMENS 3RR2441-1AA40

    SIEMENS

    3RR2441-1AA40

    CURRENT MONITORING RELAY, IO-LINK, SIZE S00, 1.6-16 AMP RANGE, 20-400 HZ, 24 VDC SUPPLY, 1 CHANGE-OVER CONTACT, SCREW CONNECTION , 3RR24411AA40
    ✓ IN STOCK!
    CAN$495.00 Buy Surplus As Low As CAN$377.00
    CAN$377.00
    Repair Yours CAN$250.00
    HONGFA HFD23/012-1ZS

    HONGFA

    HFD23/012-1ZS

    SIGNAL RELAY, SPDT, SENSITIVE, 12V/2A/TH ROHS COMPLIANT: YES
    ✓ IN STOCK!
    CAN$3.51 Buy Surplus As Low As CAN$1.51
    CAN$1.51
    Repair Yours CAN$362.15
    ASEA BROWN BOVERI 1SVR740824R9300

    ASEA BROWN BOVERI

    1SVR740824R9300

    MONITOR RELAY, 3 PHASE, 4 AMP, 2230-500 VAC, 2 CO (SPDT CONTACTS), SCREW TYPE TERMINAL, DIN RAIL MOUNT, -25 T0+60 DEGREES C, (CM-PFS.P)
    ✓ IN STOCK!
    CAN$277.72 Buy Surplus As Low As CAN$217.80
    CAN$217.80
    Repair Yours CAN$360.00
    ASEA BROWN BOVERI 1SVR760669R9400

    ASEA BROWN BOVERI

    1SVR760669R9400

    COUPLING UNIT, VOLTAGE RANGE EXPANSION FOR CM-IWN.1, 690VAC, 1000VDC
    ✓ IN STOCK!
    CAN$603.93 Buy Surplus As Low As CAN$203.17
    CAN$203.17
    Repair Yours CAN$362.15
    NORTONICS FOXTAM LIMITED YWRUP-S-400V-3W

    NORTONICS FOXTAM LIMITED

    FOXTAM CONTROLS

    YWRUP-S-400V-3W

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 10AMP, 400V, 3W
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$156.82
    CAN$156.82
    DOLD IK9046 DC24V

    DOLD

    IK9046 DC24V

    VOLTAGE MONITOR W/LED 1NC/NO 1-3AMP 230VAC 24VDC
    ✓ IN STOCK!
    CAN$185.86 Buy Surplus As Low As CAN$142.30
    CAN$142.30
    Repair Yours CAN$362.15
    GENERAL ELECTRIC 12IFC53A1A

    GENERAL ELECTRIC

    12IFC53A1A

    DISCONTINUED BY MANUFACTURER, INVERSE TIME OVERCURRENT RELAY, IFC TYPE, NON-DIRECTIONAL SINGLE-PHASE, 50/60HZ RATING, 14 INPUT POINTS, TIME RELAY TEST BUTTON
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$519.26
    CAN$519.26
    Repair Yours CAN$363.04
    GENERAL ELECTRIC 12CFD22B2A

    GENERAL ELECTRIC

    12CFD22B2A

    DISCONTINUED BY MANUFACTURER,RELAY, HIGH SPEED DIFFERENTIAL, 5AMP, 60HZ, TYPE CFD
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$337.99
    CAN$337.99
    Repair Yours CAN$357.83
    SIEMENS 947PB10AG

    SIEMENS

    FURNAS ELECTRIC CO

    947PB10AG

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR 240VAC 200-235V TRIP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$135.76
    CAN$135.76
    ASEA BROWN BOVERI CM-IVN.S

    ASEA BROWN BOVERI

    CM-IVN.S

    COUPLING UNIT, VOLTAGE RANGE EXPANSION FOR CM-IWN.1, 690 VAC / 1000 VDC, 15-400 HZ, DIN RAIL MOUNT, HOUSING IP50 / TERMINALS IP20, (1SVR750669R9400)
    ✓ IN STOCK!
    CAN$727.42 Buy Surplus As Low As CAN$216.27
    CAN$216.27
    Repair Yours CAN$358.64
    GOTRONIC 38-100A-U-RELAY

    GOTRONIC

    38-100A-U-RELAY

    RELAY AND SOCKET UNDERSPEED CONTROL 115VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$107.52
    CAN$107.52
    GOTRONIC 631103

    GOTRONIC

    631103

    DISCONTINUED BY MANUFACTURER, MOTION DETECTOR, UNDER/OVER SPEED DETECTOR, 120 VAC INPUT POWER, 50/60 HZ, OUTPUT TERMINALS: 10 AMP, 120 VAC RESISTIVE, SPEED RANGE: 200 TO 2000 PPM PROGRAMABLE ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$347.54
    CAN$347.54
    Repair Yours CAN$370.89
    ASEA BROWN BOVERI 202T3004-UL

    ASEA BROWN BOVERI

    202T3004-UL

    DISCONTINUED BY MANUFACTURER, MONITOR, GROUND FAULT, 24/32VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$201.15
    CAN$201.15
    Repair Yours CAN$368.95
    SCHNEIDER ELECTRIC 50745

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    50745

    STANDARD UNLATCHED RELAY 110-130VAC 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$441.42
    CAN$441.42
    Repair Yours CAN$368.95
    SCHNEIDER ELECTRIC RM4TR32

    SCHNEIDER ELECTRIC

    TELEMECANIQUE

    RM4TR32

    DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, 300V, 5A, RM4,50/60HZ, REPLACED BY RM22TR33
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$546.09
    CAN$546.09
    FW MURPHY UVR505

    FW MURPHY

    UVR505

    DISCONTINUED BY MANUFACTURER, RELAY UNDER VOLTAGE, FRONT STATUS LEDS, 12 PORTS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$451.58
    CAN$451.58
    Repair Yours CAN$363.04
    MACROMATIC PMD575

    MACROMATIC

    PMD575

    PHASE MONITOR RELAY, 3 PHASE, 460-600V AC, 10A DPDT OUTPUT, PHASE LOSS / REVERSAL / UNBALANCE, OVERVOLTAGE / UNDERVOLTAGE, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$384.79 Buy New CAN$384.79
    CAN$230.87
    ASEA BROWN BOVERI DS201TK32A30

    ASEA BROWN BOVERI

    DS201TK32A30

    RCBO, 1P+N, 32A, 30MA SENSITIVITY
    ✓ IN STOCK!
    CAN$1,393.33 Buy Surplus As Low As CAN$656.39
    CAN$656.39
    Repair Yours CAN$406.90
    TELE CONTROLS G2UM300VL20

    TELE CONTROLS

    G2UM300VL20

    VOLTAGE PROTECTION MONITORING RELAY, 1-PH, 30V - 60V - 300V AC/DC RANGES, MULTIFUNCTION, 2 CO, DPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE THRESHOLDS, POWER SUPPLY PROTECTOR, IDEAL FOR BAT ...
    ✓ IN STOCK!
    CAN$490.79 Buy New CAN$490.79
    CAN$294.76
    Repair Yours CAN$364.52
    MARSH BELLOFRAM AC-2020

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    AC-2020

    COMPRESSOR PROTECTOR, 3 PHASE MONITOR
    ✓ IN STOCK!
    CAN$705.00 Buy New CAN$705.00
    CAN$536.00
    Repair Yours CAN$335.00
    CR MAGNETICS CR7310-LH-24D-.11-A-CD-ELR-R2

    CR MAGNETICS

    CR7310-LH-24D-.11-A-CD-ELR-R2

    CR7310 - GROUND FAULT SENSING RELAY, SUPPLY VOLTAGE 24 VDC, TRIP RANGE - 0.1 TO 1.0 AAC, TRIP ON DELAY - .5 TO 6 SEC, CALIBRATED DIAL, CRGFS-200 REMOTE CURRENT TRANSFORMER
    ✓ IN STOCK!
    CAN$375.31 Buy Surplus As Low As CAN$183.26
    CAN$183.26
    Repair Yours CAN$250.00
    GENERAL ELECTRIC 12HGA14ALS

    GENERAL ELECTRIC

    12HGA14ALS

    AUXILARY RELAY, 125VDC, 4 SECOND
    ✓ IN STOCK!
    CAN$226.84 Buy Surplus As Low As CAN$107.46
    CAN$107.46
    Repair Yours CAN$370.89
    ASEA BROWN BOVERI 1963190

    ASEA BROWN BOVERI

    1963190

    ABB, 1963190, SV VOLTAGE RELAY, 120VAC, 60HZ, SETTINGS 70-150
    ✓ IN STOCK!
    CAN$1,140.87 Buy Surplus As Low As CAN$516.09
    CAN$516.09
    Repair Yours CAN$370.89
    Previous Next
    6 7 8 9 10 11 12 13 14 15 16