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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 351-400 of 824.
    MACROMATIC VMP120A

    MACROMATIC

    VMP120A

    RELAY, VOLTAGE SENSING, DPDT, 120 VAC MONITORED VOLTAGE, 10 AMP, 1 PHASE, QUICK CONNECT, ROHS COMPLIANT
    ✓ IN STOCK!
    CAN$244.24 Buy New CAN$244.24
    CAN$123.78
    LARCO 5000EX

    LARCO

    5000EX

    DISCONTINUED BY MANUFACTURER, ZONE MONITOR WALL MOUNT 120/240VAC 50/60HZ .125AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$411.71
    CAN$411.71
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    ASEA BROWN BOVERI PHS120A20

    ASEA BROWN BOVERI

    SSAC

    PHS120A20

    SINGLE FUNCTION RELAYS & MONITORS, AC PHASE CONTROL
    ✓ IN STOCK!
    CAN$136.92 Buy Surplus As Low As CAN$80.80
    CAN$80.80
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    ASEA BROWN BOVERI 1SVR550870R9400

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR550870R9400

    PHASE MONITORING RELAY, 4 AMP, 400 V, 3 KV, 1 NO, WITH NEUTRAL CONNECTION, POWERED BY MEASURING CIRCUIT, FOR MONITORING OF 1-3 PHASE OVER- AND UNDERVOLTAGE, (CM-PVE) , 1SVR550870R9400
    ✓ IN STOCK!
    CAN$202.52 Buy Surplus As Low As CAN$158.65
    CAN$158.65
    EATON CORPORATION AR660AR

    EATON CORPORATION

    CUTLER HAMMER

    AR660AR

    DISCONTINUED BY MANUFACTURER, INDUSTRIAL RELAY, 6 POLE, 10 AMP, 6 N.O., COIL 120 VAC / 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$665.46
    CAN$665.46
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    EATON CORPORATION AR660A

    EATON CORPORATION

    CUTLER HAMMER

    AR660A

    AC CONTROL RELAY, AR/ARD SERIES, 6 NO CONTACTS, 6 POLE, COIL: 110/120 VAC - 50/60 HZ, 10 AMP, 600 VAC, CONVERTIBLE POLE/CONTACT, SCREW TERMINALS
    ✓ IN STOCK!
    CAN$1,028.31 Buy Surplus As Low As CAN$403.98
    CAN$403.98
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    EATON CORPORATION ARD4L

    EATON CORPORATION

    CUTLER HAMMER

    ARD4L

    MACHINE TOOL RELAY, AR/ARD CONVERTIBLE CONTACT INDUSTRIAL CONTROL DC RELAY, FOUR-POLE, 24 VDC COIL VOLTAGE, 4 BLANK CAVITIES
    ✓ IN STOCK!
    CAN$1,150.24 Buy Surplus As Low As CAN$480.74
    CAN$480.74
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    SIEMENS 3TX7111-3LF13

    SIEMENS

    3TX7111-3LF13

    AC OPERATED. CONTACT CONFIGURATION DPDT. CONTACT VOLTAGE 240 VAC 30 VDC. CONTACT CURRENT 5 AMPERE. COIL VOLTAGE 120 VAC. QUICK CONNECT/PILOT LIGHT IN/SOLDER TERMINAL. PILOT LIGHT IN MOUNTING ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$39.30
    CAN$39.30
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    NESELCO 601-E-2000

    NESELCO

    601-E-2000

    BUSBAR MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$428.67
    CAN$428.67
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    SIEMENS 3UG4614-1BR28-0AA3

    SIEMENS

    3UG4614-1BR28-0AA3

    DIGITAL MONITORING RELAY ASYMMETRY 0-20%, DEFAULT OFF PHASE SEQUENCE, DEFAULT OFF PHASE FAILURE 3 X 160 TO 690 V 50 TO 60 HZ AC UNDERVOLTAGE, DEFAULT 320 V HYSTERESIS, DEFAULT: 5% ON, OFF DE ...
    ✓ IN STOCK!
    CAN$379.38 Buy Surplus As Low As CAN$248.26
    CAN$248.26
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    TOSHIBA 810-ZCT-100

    TOSHIBA

    810-ZCT-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$408.39
    CAN$408.39
    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$668.90 Buy Surplus As Low As CAN$274.38
    CAN$274.38
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    ICM ICM402

    ICM

    ICM402

    LINE VOLTAGE MONITOR, THREE-PHASE, 30 AMP, 190-600VAC
    ✓ IN STOCK!
    CAN$180.39 Buy Surplus As Low As CAN$103.39
    CAN$103.39
    MATSUSHITA ELECTRIC LT48T-24-240V

    MATSUSHITA ELECTRIC

    AROMAT

    LT48T-24-240V

    DIGITAL QUARTZ TIMER, 24-240 V AC/DC, 100 MA MAX, 8 PIN
    ✓ IN STOCK!
    CAN$609.64 Buy Surplus As Low As CAN$52.88
    CAN$52.88
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    GENERAL ELECTRIC 3S7505HK501A1

    GENERAL ELECTRIC

    3S7505HK501A1

    GROUND FAULT RELAY, 230 VAC, 10 AMP, 8-PIN
    ✓ IN STOCK!
    CAN$49.95 Buy Surplus As Low As CAN$27.60
    CAN$27.60
    EATON CORPORATION D65VMLRS480

    EATON CORPORATION

    CUTLER HAMMER

    D65VMLRS480

    3PH MONITOR RELAY, PROTECTIVE RELAY, VOLTAGE/PHASE MONITOR, TRANSMISSION DISTRIBUT. RELAYS, PHASE/VOLTAGE LOSS RELAY
    ✓ IN STOCK!
    CAN$492.24 Buy Surplus As Low As CAN$295.35
    CAN$295.35
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    GENERAL ELECTRIC 36C774137ABG08

    GENERAL ELECTRIC

    36C774137ABG08

    DISCONTINUED BY MANUFACTURER, GROUND FAULT DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$100.28
    CAN$100.28
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    ASEA BROWN BOVERI 609300K02

    ASEA BROWN BOVERI

    609300K02

    PHASE SENSOR, 600A BREAKING RATE, K800
    ✓ IN STOCK!
    CAN$860.84 Buy Surplus As Low As CAN$244.80
    CAN$244.80
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    BASLER ELECTRIC BE1-87G-S1A-A1C-A0N0

    BASLER ELECTRIC

    BE1-87G-S1A-A1C-A0N0

    DISCONTINUED BY MANUFACTURER, VARIABLE PERCENTAGE DIFFERENTIAL RELAY. BE1-87G MODEL, 1 PHASE, SELECTABLE INPUT, INSTANTANEOUS TIMING, INTERNALLY OPERATED TARGETS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$391.76
    CAN$391.76
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    BASLER ELECTRIC TIEE1CD0N07

    BASLER ELECTRIC

    TIEE1CD0N07

    DISCONTINUED BY MANUFACTURER, PROTECTIVE RELAY, CYCLES-3, 60-HZ, TRIP FREQUENCY-1
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$402.22
    CAN$402.22
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    WESTINGHOUSE 1096945C

    WESTINGHOUSE

    1096945C

    DISCONTINUED BY MANUFACTURER, CURRENT RELAY 4-16AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$353.97
    CAN$353.97
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    DOLD IL9075.12/001 AC50...400HZ 400V

    DOLD

    IL9075.12/001 AC50...400HZ 400V

    DISCONTINUED BY MANUFACTURER, FUSE MONITOR, 3 PHASE, 400 HZ, DE-ENERGIZED ON TRIP, AUTOMATIC RESET
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$99.51
    CAN$99.51
    Repair Yours Contact Us
    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$60.23
    CAN$60.23
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    DEIF RMV-112D-DELTA-440VAC-NE+ND-440VAC

    DEIF

    RMV-112D-DELTA-440VAC-NE+ND-440VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 440/254V, MODULE: 440V, SUPPLY: 440VAC, RELAY B: NOR. ENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, OV ...
    ✓ IN STOCK!
    CAN$1,108.24 Buy Surplus As Low As CAN$330.12
    CAN$330.12
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    DEIF RMV-112D-DELTA-450VAC-ND+ND-450VAC

    DEIF

    RMV-112D-DELTA-450VAC-ND+ND-450VAC

    PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 450/260V, MODULE: 450V, SUPPLY: 450 VAC, RELAY B: NOR. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
    ✓ IN STOCK!
    CAN$1,108.24 Buy Surplus As Low As CAN$330.12
    CAN$330.12
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    WESTINGHOUSE 1875510

    WESTINGHOUSE

    1875510

    DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, TYPE CV-4, VOLTAGE UNIT, 0.2/2 AMP, 120V AC, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$311.15
    CAN$311.15
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    CR MAGNETICS CR7310-EH-24D-110-X-CD-ELR-R CRGFS-100

    CR MAGNETICS

    CR7310-EH-24D-110-X-CD-ELR-R CRGFS-100

    DISCONTINUED BY MANUFACTURER, GROUND FAULT SENSOR WITH CRGFS-100, SUPPLY: 24+/-10% VDC, TRIP RANGE: 1.0-10A, TIME DELAY: NONE, TRIP STATUS: ENER. HIGH, OUTPUT TYPE: RELAY, N.O. 20A N.C. 10A
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$127.11
    CAN$127.11
    STRUTHERS DUNN RELAYS A214XBX170

    STRUTHERS DUNN RELAYS

    A214XBX170

    GENERAL PURPOSE, GROUND FAULT INTERRUPT (GFI) RELAY, 115 VAC, 50 HZ8 PIN
    ✓ IN STOCK!
    CAN$253.85 Buy Surplus As Low As CAN$98.42
    CAN$98.42
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    BROYCE CONTROL LPRT/2 400V

    BROYCE CONTROL

    LPRT/2 400V

    UNDER VOLTAGE MONITORING RELAY, 3 PHASE, 243-540 VAC, 48-63 HZ, 50 MS RESPONSE TIME, DPDT, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$148.33 Buy Surplus As Low As CAN$117.52
    CAN$117.52
    OMRON SDV-B-6

    OMRON

    SDV-B-6

    VOLTAGE SENSOR, 110VAC, 8PIN, 4-10V PICK UP, 70-95% OF PICK UP DROP OUT
    ✓ IN STOCK!
    CAN$344.81 Buy Surplus As Low As CAN$128.95
    CAN$128.95
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    WESTINGHOUSE 289B432A15

    WESTINGHOUSE

    289B432A15

    DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, 2-6 AMP, 1 PHASE, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$182.26
    CAN$182.26
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    GENERAL ELECTRIC MVAJ11D1BB0751A

    GENERAL ELECTRIC

    ALSTOM

    MVAJ11D1BB0751A

    DISCONTINUED BY MANUFACTURER, DISCONTINUED BY MANUFACTURE, TRIP AND CONTROL, RELAY, 110-125V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$268.92
    CAN$268.92
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    CR MAGNETICS CR7310-LH-24D-.11-A-CD-ELR-R2

    CR MAGNETICS

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

    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, CR7310
    ✓ IN STOCK!
    CAN$387.29 Buy Surplus As Low As CAN$189.11
    CAN$189.11
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    CR MAGNETICS CR4395-EL-240-330-C-CD-ELR-I

    CR MAGNETICS

    CR4395-EL-240-330-C-CD-ELR-I

    AC CURRENT SENSING RELAY, SUPPLY VOLTAGE 240 VAC, TRIP RANGE- 3.0 TO 30 AAC, TRIP ON DELAY - .1 TO 1 SEC, CALIBRATED DIAL, INTERNAL TRANSFORMER
    ✓ IN STOCK!
    CAN$271.77 Buy Surplus As Low As CAN$160.55
    CAN$160.55
    CR MAGNETICS CR4395-EL-120-110-A-CD-ELR-I

    CR MAGNETICS

    CR4395-EL-120-110-A-CD-ELR-I

    AC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, 50 - 400 HZ FREQ RANGE, 120 VAC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, 0.5 - 6 SECOND ADJUSTABLE TIME DELAY, 1 - 10 AAC ...
    ✓ IN STOCK!
    CAN$176.28 Buy Surplus As Low As CAN$105.77
    CAN$105.77
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    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$858.12 Buy Surplus As Low As CAN$671.74
    CAN$671.74
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    EATON CORPORATION D15CR40BB

    EATON CORPORATION

    CUTLER HAMMER

    D15CR40BB

    RELAY, FREEDOM SERIES, 4 POLE, 4 NO, OPEN, W/ 240VAC COIL
    ✓ IN STOCK!
    CAN$500.44 Buy Surplus As Low As CAN$392.58
    CAN$392.58
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    TELE CONTROLS G2BM480V12AFL10

    TELE CONTROLS

    G2BM480V12AFL10

    DISCONTINUED BY MANUFACTURER, REAL POWER, TORQUE MONITORING RELAY, 1- OR 3-PH, 480V AC, 12A DIRECT OR VIA CTS, ACTIVE POWER MEASUREMENT, MULTIFUNCTION, LED INDICATION, 1 CO, SPDT RELAY OUTPU ...
    ✓ IN STOCK!
    CAN$990.12 Buy New CAN$990.12
    CAN$594.95
    Repair Yours Contact Us
    DOLD EH9997.11 AC/DC24V US=12-70V

    DOLD

    EH9997.11 AC/DC24V US=12-70V

    0000517, FAULT ANNUNCIATOR SYSTEM, 1 CHANGEOVER CONTACT, AC/DC 24V, 12-70V, 6 LED SIGNALS, FRONT PANEL MOUNTING
    ✓ IN STOCK!
    CAN$635.66 Buy Surplus As Low As CAN$331.85
    CAN$331.85
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    CEE YTM 7111

    CEE

    YTM 7111

    ADMITTANCE RELAY / ALTERNATOR LOSS OF FIELD PROTECTION, 7000 SERIES, TIME DELAY / 0.6 TO 6 SECOND / 1-10 SECOND, K1 / 70-300 %, K2 / 5-34 %, 1-5 AMP, 100 V, 50/60 HZ, AUX: CC/DC 110 V, ANSI ...
    ✓ IN STOCK!
    CAN$1,322.03 Buy Surplus As Low As CAN$423.05
    CAN$423.05
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    MARSH BELLOFRAM UOA-0313-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-0313-DLA

    DISCONTINUED BY MANUFACTURER, SINGLE PHASE UNDER VOLTAGE MONITOR, UOA SERIES, UOA-0313, STYLE A, 5-10 VDC SUPPLY VOLTAGE, SENSING VOLTAGE: 50 TO 50 VDC, SUPPLY VOLTAGE: 120 VAC, CONTACTS: 10 ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$76.76
    CAN$76.76
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    DEIF RMC-142D-1A-ND-ND-1S-20S-24VDC

    DEIF

    RMC-142D-1A-ND-ND-1S-20S-24VDC

    DISCONTINUED BY MANUFACTURER, STATOR EARTH FAULT RELAY, TYPE: RMC-142D, ORDER NO: 400022308.10, MEAS CURRENT: 1A, MODULE: 1A, SCALE: 1, SUPPLY: 24VDC, T1: 1S, T2: 20S, RELAY B: NORM. DEENERG ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$292.14
    CAN$292.14
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    ASCO 214B69-480VAC

    ASCO

    214B69-480VAC

    DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 480 VAC, 50/60 HZ, 456V PICK UP, 408V DROP OUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$496.56
    CAN$496.56
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    GIC MAC04D0100

    GIC

    MAC04D0100

    VOLTAGE MONITORING RELAY, DPDT, 415VAC; PRODUCT RANGE:SM 500 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:5A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:250V; RELAY TERMINALS:SCREW; ...
    ✓ IN STOCK!
    CAN$138.34 Buy Surplus As Low As CAN$86.67
    CAN$86.67
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    GOTRONIC 585109

    GOTRONIC

    585109

    POWER LINE MONITOR,480VAC,50/60HZ
    ✓ IN STOCK!
    CAN$547.71 Buy Surplus As Low As CAN$254.49
    CAN$254.49
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    EATON CORPORATION C323PN12B

    EATON CORPORATION

    CUTLER HAMMER

    C323PN12B

    OBSOLETE, PHASE MONITOR RELAY, 208-240V, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$136.63
    CAN$136.63
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    TIME MARK CORP 274-5-120VAC-A

    TIME MARK CORP

    274-5-120VAC-A

    CURRENT MONITOR, 3PH, AUTOMATIC RESET, 1-5AMP, TIME DELAY 0.2-20 SEC, 120 VAC, 50-400 HZ
    ✓ IN STOCK!
    CAN$397.92 Buy Surplus As Low As CAN$246.79
    CAN$246.79
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    LITTELFUSE 201A

    LITTELFUSE

    201A

    PROTECTION RELAY, MOTORSAVER, PHASE LOSS DETECTION, REVERSE PHASE, 3 PHASE, 190/480 VAC, 50/60 HZ, 8-PIN PLUG-IN, SPDT OUTPUT, (REPLACES SYMCOM 201A)
    ✓ IN STOCK!
    CAN$253.13 Buy Surplus As Low As CAN$199.29
    CAN$199.29
    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$113.76
    CAN$113.76
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    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$1,045.11 Buy Surplus As Low As CAN$645.88
    CAN$645.88
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