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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 751-800 of 846.
    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$66.56
    CAN$66.56
    Repair Yours CAN$357.83
    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$93.66
    CAN$93.66
    Repair Yours CAN$368.95
    MARSH BELLOFRAM PCA-120/208ALE

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    PCA-120/208ALE

    DISCONTINUED BY MANUFACTURER, PHASE MONITOR, ADJUSTABLE RESTART DELAY, SCREW CLAMP TERMINALS, STATUS LED, 120-208 V AC SUPPLY VOLTAGE, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$195.47
    CAN$195.47
    Repair Yours CAN$370.89
    GENERAL ELECTRIC 12HFA51A41F

    GENERAL ELECTRIC

    12HFA51A41F

    DISCONTINUED BY MANUFACTURER, RELAY, SELF RESET, MULTICONTACT AUXILLARY
    Buy Surplus As Low As CAN$906.33
    CAN$906.33
    Repair Yours CAN$618.88
    WESTINGHOUSE 293B301A25B

    WESTINGHOUSE

    293B301A25B

    DISCONTINUED BY MANUFACTURER, RELAY TIME DELAY, 48/125VDC, .2-4SEC INDICATOR, .2-2A
    Buy Surplus As Low As CAN$951.44
    CAN$951.44
    Repair Yours CAN$656.51
    GENERAL ELECTRIC 12IAC77B6A

    GENERAL ELECTRIC

    12IAC77B6A

    RELAY PROTCTV-DEV LB 50/51-TYPE IAC-FORMAT 0010
    Buy Surplus As Low As CAN$1,254.55
    CAN$1,254.55
    Repair Yours CAN$983.86
    WESTINGHOUSE 290B546A14

    WESTINGHOUSE

    290B546A14

    DISCONTINUED BY MANUFACTURER, RELAY, 2-6 AMP @ 60 HZ OVERCURRENT UNIT, 120 VAC DIRECTIONAL UNIT, 0.2-2 AMPS @ 48/125/250 VDC INDICATOR UNIT, 10-40 AMP INSTANTANEOUS UNIT
    Buy Surplus As Low As CAN$914.58
    CAN$914.58
    Repair Yours CAN$704.68
    WESTINGHOUSE 293B255A20

    WESTINGHOUSE

    293B255A20

    DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC, 10 POLE
    Buy Surplus As Low As CAN$915.39
    CAN$915.39
    Repair Yours CAN$619.43
    GENERAL ELECTRIC 12CFVB11A3A

    GENERAL ELECTRIC

    12CFVB11A3A

    RELAY, TYPE CFVB, 120VAC, 60CYCLE, 125/250VDC
    Buy Surplus As Low As CAN$2,445.20
    CAN$2,445.20
    Repair Yours CAN$1,863.61
    GENERAL ELECTRIC 12STV11A1A

    GENERAL ELECTRIC

    12STV11A1A

    DISCONTINUED BY MANUFACTURER, OVEREXCITATION RELAY, MODEL NUMBER A1A, 120 VAC/60 HZ, PICKUP ADJ RANGE 1.8-2.5 V/HZ, TIME DELAY 0.5-15.0 SECONDS, CONTROL V-48/125/250, TARGET 0.6/2.0
    Buy Surplus As Low As CAN$5,253.44
    CAN$5,253.44
    Repair Yours CAN$4,200.00
    WESTINGHOUSE 292B333A10

    WESTINGHOUSE

    292B333A10

    DISCONTINUED BY MANUFACTURER, LOSS OF FIELD RELAY, KLF-1, 5 AMPS, 69 VOLTS, 60 HZ, 125 VDC
    Buy Surplus As Low As CAN$5,983.52
    CAN$5,983.52
    Repair Yours CAN$4,182.24
    WESTINGHOUSE 1875508A

    WESTINGHOUSE

    1875508A

    DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE RELAY, 120VAC, 60HZ, 0.2-2.0AMP
    Buy Surplus As Low As CAN$1,304.07
    CAN$1,304.07
    Repair Yours CAN$965.58
    WESTINGHOUSE 9-1210-00-105

    WESTINGHOUSE

    9-1210-00-105

    VOLTAGE CONTROLLER MANUAL
    Buy Surplus As Low As CAN$1,100.35
    CAN$1,100.35
    Repair Yours CAN$838.63
    WOODWARD 5441-409

    WOODWARD

    5441-409

    DISCONTINUED BY MANUFACTURER, RELAY INTERFACE, 10 A, 28 CHANNEL, W/ LED INDICATION
    Buy Surplus As Low As CAN$729.60
    CAN$729.60
    Repair Yours CAN$546.39
    WESTINGHOUSE 292B714A09

    WESTINGHOUSE

    292B714A09

    DIRECTIONAL OVERCURRENT RELAY, TYPE IRD-81, .5-2.5AMP, 60HZ, 48/125/250VDC
    CAN$2,008.59 Buy Surplus As Low As CAN$976.17
    CAN$976.17
    Repair Yours CAN$668.26
    MOTOR PROTECTION ELEC. INC AITWS

    MOTOR PROTECTION ELEC. INC

    AITWS

    DISCONTINUED BY MANUFACTURER, ELECTRIC MOTOR INSULATION MONITOR, AUTO INSULATION TESTER, W/SOCKET, 120 VAC INPUT, 50/60 HZ, 5.9 VA, INTERNAL DC VOLT: 500 VDC, RELAY CONTACT RATING:, 3 AMP NO ...
    Buy Surplus As Low As CAN$750.82
    CAN$750.82
    Repair Yours CAN$622.33
    BASLER ELECTRIC BE1-59N A6E E1C B0N1F

    BASLER ELECTRIC

    BE1-59N A6E E1C B0N1F

    DISCONTINUED BY MANUFACTURER, GROUNDFAULT OVERVOLTAGE RELAY, OVER DEFINITE / 0.1-99.9 SECOND, 1 NO RELAY-OVER, SINGLE PHASE, 120 VAC / 60 HZ, NOMINAL 2-40 VAC PICKUP, POWER SUPPLY / 100/120 ...
    Buy Surplus As Low As CAN$842.16
    CAN$842.16
    Repair Yours CAN$683.66
    SCHWEITZER ENGINEERING 0501203X561BXB

    SCHWEITZER ENGINEERING

    0501203X561BXB

    (SEL-501-2), RELAY, OVER-CURRENT, 48/125V, 50/60HZ, 5.5W
    CAN$1,871.38 Buy Surplus As Low As CAN$909.49
    CAN$909.49
    Repair Yours CAN$635.60
    GENERAL ELECTRIC 12PJC11Z3A

    GENERAL ELECTRIC

    12PJC11Z3A

    DISCONTINUED BY MANFUACTURER, INSTANTANEOUS CURRENT RELAY, TYPE PJC, 6 AMP, 25 VDC
    Buy Surplus As Low As CAN$708.79
    CAN$708.79
    Repair Yours CAN$555.20
    ENDRESS & HAUSER TMT142

    ENDRESS & HAUSER

    TMT142

    DISCONTINUED BY MANUFACTURER, VOLTAGE/ PHASE MONITOR, 23 MA, TA+40, +85C
    Buy Surplus As Low As CAN$836.37
    CAN$836.37
    Repair Yours CAN$585.78
    GENERAL ELECTRIC 345-E-P5-G5-L-E-S-N-N-1E-D-H

    GENERAL ELECTRIC

    MULTILIN

    345-E-P5-G5-L-E-S-N-N-1E-D-H

    DISCONTINUED BY MANUFACTURER, TRANSFORMER PROTECTION RELAY, PHASE CURRENTS / 5 AMP / 3 PHASE, GROUND CURRENTS - 5 AMP STANDARD, 110-250 VDC, 110-230 VAC, 50/60 HZ, 36 VA, 20W
    Buy Surplus As Low As CAN$1,585.65
    CAN$1,585.65
    Repair Yours CAN$1,300.10
    GENERAL ELECTRIC 12SGC21C1A

    GENERAL ELECTRIC

    12SGC21C1A

    DISCONTINUED BY MANUFACTURER, STATIC NEGATIVE PHASE SEQUENCE TIME OVERCURRENT, 5 AMP, 60 HZ, 48/110/125 DC
    Buy Surplus As Low As CAN$2,563.40
    CAN$2,563.40
    Repair Yours CAN$1,699.15
    GENERAL ELECTRIC 12JBCG54E8A

    GENERAL ELECTRIC

    12JBCG54E8A

    DISCONTINUED BY MANUFACTURER, GROUND DIRECTIONAL OVERCURRENT RELAY, 5 AMP, 2-8 INSTANTANEOUS OVERCURRENT UNITS
    Buy Surplus As Low As CAN$1,509.05
    CAN$1,509.05
    Repair Yours CAN$1,184.57
    GENERAL ELECTRIC 12CEY52A4D

    GENERAL ELECTRIC

    12CEY52A4D

    DISCONTINUED BY MANUFACTURER, PHASE DIRECTIONAL OVERCURRENT RELAY, 120 V, 0.5-15 MHO, 60 AMPS
    Buy Surplus As Low As CAN$5,487.42
    CAN$5,487.42
    Repair Yours CAN$4,307.54
    BASLER ELECTRIC BE1-59N-A8E-E1L-N0S1F

    BASLER ELECTRIC

    BE1-59N-A8E-E1L-N0S1F

    DISCONTINUED BY MANUFACTURER, GROUND FAULT OVERVOLTAGE RELAY, MODEL BE1-59N, SINGLE PHASE, INPUT 240VAC 60HZ, NOMINAL 20-100VAC PICKUP, OUTPUT 1NO RELAY OVER, TIMING OVER-DIFINITE 0.1-99.9SE ...
    Buy Surplus As Low As CAN$1,111.19
    CAN$1,111.19
    Repair Yours CAN$766.76
    SCHWEITZER ENGINEERING 751A01A0X0X71850000

    SCHWEITZER ENGINEERING

    751A01A0X0X71850000

    FEEDER PROTECTION RELAY, SEL-751A, LCD, 125 V, 50/60 HZ, PANEL LED, PROGRAMMABLE PUSHBUTTON, ARC-FLASH MITIGATION, EVENT ANALYSIS
    CAN$3,295.88 Buy Surplus As Low As CAN$2,056.62
    CAN$2,056.62
    Repair Yours CAN$1,723.62
    R-K ELECTRONICS PVCO-400-AR

    R-K ELECTRONICS

    PVCO-400-AR

    PROTECTION RELAY, LOW VOLTAGE, PHASE LOSS, LED STATUS INDICATOR, 440-480 VAC, 10 AMP, 3 PHASE, 50/60 HZ, SPDT, SCREW TERMINALS, SURFACE MOUNTING
    CAN$411.65 Buy Surplus As Low As CAN$196.37
    CAN$196.37
    Repair Yours CAN$360.00
    OMRON SDV-FM1

    OMRON

    SDV-FM1

    VOLTAGE SENSOR RELAY 12VDC
    CAN$670.23 Buy Surplus As Low As CAN$259.51
    CAN$259.51
    Repair Yours CAN$357.83
    SIEMENS 3UG4631-1AA30

    SIEMENS

    3UG4631-1AA30

    DIGITAL MONITORING RELAY VOLTAGE MONITORING, 22.5 MM FROM 0.1-60 V AC/DC 0VERSHOOT AND UNDERSHOOT SUPPLY VOLTAGE: 24 V AC/DC 50 TO 60 HZ DC AND AC WITHOUT GALVANIC ISOLATION TO MEASURING CIR ...
    CAN$220.00 Buy Surplus As Low As CAN$132.00
    CAN$132.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7130-0BF13

    SIEMENS

    3TX7130-0BF13

    OPEN PWR RELAY. SPDT. 40A. 120VAC, OPEN POWER RELAY HEAVY DUTY SPDT, 40A, 120VAC OPTIONAL METAL COVER 3TX7144-1M0
    CAN$89.00 Buy Surplus As Low As CAN$54.00
    CAN$54.00
    Repair Yours Contact Us
    SIEMENS 3TX7111-3PG13

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7111-3PG13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 14-PIN, SQUARE BASE 4PDT, 10A, 230VAC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    CAN$45.00 Buy Surplus As Low As CAN$27.00
    CAN$27.00
    Repair Yours Contact Us
    SIEMENS 3TK2040-7BB4

    SIEMENS

    3TK2040-7BB4

    DISCONTINUED BY MANUFACTURER, MINIATURE CONTACTOR, FLAT CONNECTOR TERMINAL, 4 NO, SCREW MOUNTING (DIAGONAL), 24 VDC, DC OPERATION, SUCCESSOR: 3RT2316-2BB40
    Buy Surplus As Low As CAN$274.43
    CAN$274.43
    ASEA BROWN BOVERI 1SVR430896R0000

    ASEA BROWN BOVERI

    1SVR430896R0000

    DISCONTINUED BY MANUFACTURER, CM-WDS CYCLE MON. WATCHDOG FUNC
    Buy Surplus As Low As CAN$676.65
    CAN$676.65
    Repair Yours CAN$519.08
    ASEA BROWN BOVERI WVM611M

    ASEA BROWN BOVERI

    WVM611M

    ASEA BROWN BOVERI, WVM611M, VOLTAGE MONITOR 3 PHASE, 200-240VAC, 0.25-30SEC,
    CAN$248.01 Buy Surplus As Low As CAN$123.65
    CAN$123.65
    Repair Yours CAN$369.66
    SIEMENS 3TX7130-0DD03

    SIEMENS

    3TX7130-0DD03

    30AMP 48VDC RELAY, OPEN POWER RELAY HEAVY DUTY DPDT, 40A, 48VDC OPTIONAL METAL COVER 3TX7144-1M0
    CAN$94.00 Buy Surplus As Low As CAN$57.00
    CAN$57.00
    Repair Yours Contact Us
    ASEA BROWN BOVERI DLM911

    ASEA BROWN BOVERI

    DLM911

    DISCONTINUED BY MANUFACTURER, 3 PHASE VOLTAGE MONITOR, 480VAC, 2-20S TRIP DELAY
    Buy Surplus As Low As CAN$447.63
    CAN$447.63
    Repair Yours CAN$367.58
    ASEA BROWN BOVERI PHS120A10

    ASEA BROWN BOVERI

    SSAC

    PHS120A10

    SOLID STATE RELAY,AC PHASE CONTROL, 120VAC/10AMP MAX, ANALOG OUTPUT, VARIABLE RESISTANCE INPUT
    CAN$128.29 Buy Surplus As Low As CAN$45.80
    CAN$45.80
    Repair Yours CAN$362.15
    ICM ICM450

    ICM

    ICM450

    DISCONTINUED BY MANUFACTURER, DIGITAL VOLTAGE MONITOR, 3 PHASE, LINE VOLTAGE, 190 TO 630 VAC, 50/60 HZ, FULLY PROGRAMMABLE, 25 FAULT MEMORY, 18-240 CONTROL VAC, REPLACED BY ICM450A
    Buy Surplus As Low As CAN$312.10
    CAN$312.10
    Repair Yours CAN$357.82
    WESTINGHOUSE 293B301A10A

    WESTINGHOUSE

    293B301A10A

    DISCONTINUED BY MANUFACTURER, RELAY TIME DELAY, 48/125V, .05-1SEC INDICATOR, .2-2AMP, TYPE TD-5
    Buy Surplus As Low As CAN$58.69
    CAN$58.69
    Repair Yours CAN$362.15
    SIEMENS 3UG4614-2BR20

    SIEMENS

    3UG4614-2BR20

    DIGITAL MONITORING RELAY, ASYMMETRY 0-20%, PHASE SEQUENCE CAN BE ACTIVATED PHASE FAILURE 3 X, 160 TO 690 V 50 TO 60 HZ, AC UNDERVOLTAGE 160-690 V, HYSTERESIS 1-20 V, ON AND OFF DELAY 0-20 S, ...
    CAN$230.00 Buy Surplus As Low As CAN$138.00
    CAN$138.00
    Repair Yours CAN$250.00
    SIEMENS 3RK3221-2AA10

    SIEMENS

    3RK3221-2AA10

    MSS EXP. MOD., 4/8 FDI, 1/2 FDO (RELAY), CONTROLS MSS MODULAR SAFETY RELAYS, CONTROL PRODUCTS , 3RK3221-2AA10
    CAN$766.00 Buy Surplus As Low As CAN$460.00
    CAN$460.00
    Repair Yours CAN$381.80
    SIEMENS 3UG4501-1AA30

    SIEMENS

    3UG4501-1AA30

    ANALOG MONITORING RELAY FILL LEVEL MONITORING RESISTANCE MONITORING FROM 2 TO 200 KOHM 0VERSHOOT AND UNDERSHOOT SUPPLY VOLTAGE 24 V AC/DC 50 TO 60 HZ DC AND AC WITHOUT GALVANIC ISOLATION TO ...
    CAN$523.07 Buy Surplus As Low As CAN$113.99
    CAN$113.99
    Repair Yours CAN$300.00
    BROYCE CONTROL M3PRT/300-500VAC

    BROYCE CONTROL

    M3PRT/300-500VAC

    DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 3 PHASE, 300-500 VAC (400 VAC +/-25%) SUPPLY MONITORING VOLTAGE, 48-63 HZ, 0.2 TO 10 SECOND TIME DELAY, < 4 VA POWER CONSUMPTION, -20 ...
    Buy Surplus As Low As CAN$99.70
    CAN$99.70
    ASEA BROWN BOVERI DLMUBRAAA

    ASEA BROWN BOVERI

    SSAC

    DLMUBRAAA

    VOLTAGE MONITOR, 3PH, 200-480 VAC, DIN RAIL MOUNT, DELAY TIME:1 SEC ~ 30 SEC,TYPE:VOLTAGE ASYMMETRY, VOLTAGE SENSING AC, PHASE LOSS
    CAN$599.14 Buy Surplus As Low As CAN$229.74
    CAN$229.74
    Repair Yours CAN$364.52
    MACROMATIC VAKP120A

    MACROMATIC

    VAKP120A

    VOLTAGE MONITOR RELAY FOR 120 VAC, 10 AMP RELAY, DPDT, ADJ PICK UP AND DROP OUT, ADJ DROPOUT DELAY 0.1-10 SECONDS, PLUG-IN
    CAN$239.98 Buy New CAN$239.98
    CAN$111.41
    MACROMATIC PAP480

    MACROMATIC

    PAP480

    3-PHASE MONITOR RELAY, 480 VAC, 8 PIN SPDT RELAY, PHASE LOSS, PHASE REVERSAL, UNDERVOLTAGE WITH ADJUSTABLE UNDERVOLTAGE TRIP
    CAN$196.02 Buy New CAN$196.02
    CAN$117.61
    Repair Yours Contact Us
    ICM ICM402

    ICM

    ICM402

    LINE VOLTAGE MONITOR, THREE-PHASE, 30 AMP, 190-600VAC
    CAN$174.81 Buy Surplus As Low As CAN$100.19
    CAN$100.19
    ASEA BROWN BOVERI 1876048

    ASEA BROWN BOVERI

    1876048

    RELAY PROTCTV-DEV LB TYPE-SC 2-8AMP 25-60HZ
    Buy Surplus As Low As CAN$253.35
    CAN$253.35
    Repair Yours CAN$369.98
    SIEMENS 3UG4631-1AW30

    SIEMENS

    3UG4631-1AW30

    DIGITAL MONITORING RELAY, 22.5 MM FROM 0.1-60 VAC/DC, VOLTAGE MONITORING, SINGLE-PHASE, MEASURING AND SUPPLY VOLTAGE SEPARATE, 24-240 VAC/DC 50/60 HZ DC, SCREW TERMINAL , 3UG4631-1AW30
    CAN$238.00 Buy Surplus As Low As CAN$143.00
    CAN$143.00
    Repair Yours CAN$250.00
    TIME MARK CORP 108B

    TIME MARK CORP

    108B

    PHASE SEQUENCE DETECTOR, 3PHASE, 208 TO 480 VOLTS
    CAN$109.77 Buy Surplus As Low As CAN$65.86
    CAN$65.86
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