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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 835.
    SIEMENS 3RS1800-1BP00

    SIEMENS

    FURNAS ELECTRIC CO

    3RS1800-1BP00

    RELAY, 24 VUC & 220 - 240 VAC, 2CO, SCREW, N76, CONTROLS - INTERFACE 3RS
    ✓ IN STOCK!
    CAN$78.00 Buy Surplus As Low As CAN$60.00
    CAN$60.00
    Repair Yours Contact Us
    SIEMENS 3UF7102-1AA00-0

    SIEMENS

    3UF7102-1AA00-0

    CURRENT MEASURING MODULE, 10-100 AMP, OVERALL WIDTH 55 MM, STRAIGHT THROUGH TRANSFORMER
    ✓ IN STOCK!
    CAN$422.00 Buy Surplus As Low As CAN$254.00
    CAN$254.00
    Repair Yours CAN$250.00
    SIEMENS 3UG4512-1AR20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4512-1AR20

    PRODUCT PHASE-OUT SINCE 10/01/2023, ANALOG MONITORING RELAY, 4 AMP, 3 PHASE, 160-690 VAC, 50/60 HZ, SCREW TYPE TERMINALS, -25 TO +60 DEGREE C, IP20, SUCCESSOR: 3UG5512-1AR20
    ✓ IN STOCK!
    CAN$165.00 Buy Surplus As Low As CAN$98.99
    CAN$98.99
    Repair Yours Contact Us
    SIEMENS 3TX7112-1NG13

    SIEMENS

    3TX7112-1NG13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 11-PIN, OCTAL BASE 3PDT, 10A, 230VAC, USES SOCKET 3TX7144-1E3 OR 3TX7144-4E3 , 3TX7112-1NG13 , 3TX7112-1NG13
    ✓ IN STOCK!
    CAN$65.00 Buy Surplus As Low As CAN$50.00
    CAN$50.00
    Repair Yours Contact Us
    EATON CORPORATION 15BA4-25E

    EATON CORPORATION

    CUTLER HAMMER

    15BA4-25E

    BA-400/800, 15.5 MAX KV, 25E, EXPULSION , 15BA4-25E
    ✓ IN STOCK!
    CAN$1,090.00 Buy Surplus As Low As CAN$654.00
    CAN$654.00
    Repair Yours CAN$543.00
    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
    SIEMENS 3UF7510-1AA00-0

    SIEMENS

    3UF7510-1AA00-0

    GROUND FAULT MODULE, WITH ANALOG RESIDUAL CURRENT DETECTION, FOR CONNECTION OF A RESIDUAL-CURRENT TRANSFORMER 3UL23, MAX. 1 GROUND FAULT MODULE PER, FOR SIMOCODE PRO V BASIC UNIT, REPLACES 3 ...
    ✓ IN STOCK!
    CAN$574.00 Buy Surplus As Low As CAN$345.00
    CAN$345.00
    Repair Yours CAN$287.00
    ASEA BROWN BOVERI 1SVR730884R4300

    ASEA BROWN BOVERI

    1SVR730884R4300

    RELAY, MULTIFUNCTIONAL, CM SERIES, 300-500 VAC, 50/60/400 HZ, 2 C/O (SPDT) OUTPUT, 250 V / 4 AMP RATED, ON/OFF TRIPPING DELAY, 3-PHASE, (CM-MPS.43S)
    ✓ IN STOCK!
    CAN$944.02 Buy Surplus As Low As CAN$374.47
    CAN$374.47
    Repair Yours CAN$310.81
    SIEMENS 5TT3402

    SIEMENS

    5TT3402

    RELAY 230/400V 2W AVAILABLE, SURPLUS, NEVER USED, 2 YEAR WARRANTY , 5TT3402
    ✓ IN STOCK!
    CAN$233.00 Buy Surplus As Low As CAN$140.00
    CAN$140.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7114-5LB03

    SIEMENS

    3TX7114-5LB03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 15A, 12VDC, USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6
    ✓ IN STOCK!
    CAN$45.00 Buy Surplus As Low As CAN$27.00
    CAN$27.00
    Repair Yours Contact Us
    SIEMENS 3TX7112-1LC13

    SIEMENS

    3TX7112-1LC13

    RELAY, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG 8-PIN OCTAL BASE DPDT, 10A, 24VAC USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
    ✓ IN STOCK!
    CAN$65.00 Buy Surplus As Low As CAN$39.00
    CAN$39.00
    Repair Yours Contact Us
    SIEMENS 3TX7112-1LB03

    SIEMENS

    3TX7112-1LB03

    DC OPERATED. CONTACT CONFIGURATION DPDT. CONTACT VOLTAGE 240 VAC 28 VDC (UL). CONTACT CURRENT 12 AMPERE (UL). COIL VOLTAGE 12 VDC. 8 PIN OCTAL TERMINAL. PILOT LIGHT IN MOUNTING. APPROVAL UL ...
    ✓ IN STOCK!
    CAN$65.00 Buy Surplus As Low As CAN$50.00
    CAN$50.00
    Repair Yours Contact Us
    SIEMENS 3UF7100-1AA00-0

    SIEMENS

    3UF7100-1AA00-0

    SIMOCODE PRO CUR MEAS. MODULE,0.3-3A, CONTROLS - SIMOCODE 3UF50 OVRLD, CONTROL PRODUCTS , 3UF7100-1AA00-0 , 3UF7100-1AA00-0
    ✓ IN STOCK!
    CAN$366.00 Buy Surplus As Low As CAN$220.00
    CAN$220.00
    Repair Yours CAN$250.00
    SIEMENS 3RR2242-2FA30

    SIEMENS

    3RR2242-2FA30

    MONITORING RELAY, CAN BE MOUNTED TO CONTACTOR 3RT2, SIZE S0 STANDARD, DIGITALLY ADJUSTABLE APPARANT/ACTIVE CURRENT MONITORING 4...40 A, 20...400 HZ, 3-PHASE SUPPLY 24 V AC/DC 1 CHANGE-OVER C ...
    ✓ IN STOCK!
    CAN$428.00 Buy Surplus As Low As CAN$257.00
    CAN$257.00
    Repair Yours CAN$250.00
    SIEMENS 3RH2122-1AK60

    SIEMENS

    3RH2122-1AK60

    RELAY, CONTACTOR RELAY, 2 NO/2 NC, 120 VAC, 10 AMPS, SCREW, DIN RAIL MOUNT, REPLACES 3RH1122-1AK60
    ✓ IN STOCK!
    CAN$119.00 Buy Surplus As Low As CAN$72.00
    CAN$72.00
    Repair Yours Contact Us
    SIEMENS 3RH2262-1BB40

    SIEMENS

    3RH2262-1BB40

    CONTACTOR RELAY, AUXILIARY, 10 AMP, 24 VDC, 6 NO + 2 NC, CAPTIVE AUXILIARY SWITCH, SIZE S00, SCREW TERMINAL, SUCCESSOR FOR 3RH1262-1BB40
    ✓ IN STOCK!
    CAN$209.00 Buy Surplus As Low As CAN$126.00
    CAN$126.00
    Repair Yours CAN$250.00
    SIEMENS 3RR2141-1AA30

    SIEMENS

    3RR2141-1AA30

    MONITORING RELAY, CAN BE MOUNTED TO CONTACTOR 3RT2, SIZE S00 BASIC, ANALOG ADJUSTMENT APPARENT CURRENT MONITORING 1.6-16 A, 20-400 HZ, 2-PHASE SUPPLY 24 V AC/DC 1 CHANGE-OVER CONTACT MONITOR ...
    ✓ IN STOCK!
    CAN$191.00 Buy Surplus As Low As CAN$115.00
    CAN$115.00
    Repair Yours Contact Us
    MACROMATIC PMPU

    MACROMATIC

    PMPU

    MONITOR RELAY, 3-PHASE, 190-500 VAC, 8 PIN PLUG-IN, 10 AMP SPDT RELAY, PHASE LOSS, REVERSAL FIXED, UNBALANCE, OVER/UNDER VOLTAGE, ADJUSTABLE
    ✓ IN STOCK!
    CAN$314.96 Buy New CAN$314.96
    CAN$175.66
    Repair Yours CAN$300.00
    SIEMENS 3TX7115-5DC03C

    SIEMENS

    3TX7115-5DC03C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 16A, 24VDC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC03C
    ✓ IN STOCK!
    CAN$32.00 Buy Surplus As Low As CAN$20.00
    CAN$20.00
    Repair Yours Contact Us
    SIEMENS 3TX71155DC13C

    SIEMENS

    3TX71155DC13C

    PLUG-IN RELAY, BASIC 8-PIN, SQUARE BASE DPDT, 10A, 24VAC, USES SOCKET 3TX7144-1E4 OR 3TX7144-4E4 , 3TX71155DC13C
    ✓ IN STOCK!
    CAN$32.00 Buy Surplus As Low As CAN$25.00
    CAN$25.00
    Repair Yours Contact Us
    SIEMENS 3TX7015-1BM02

    SIEMENS

    3TX7015-1BM02

    DISCONTINUED BY MANUFACTURER, INPUT COUPLER, W/ PLUG-IN RELAY, SPRING-TYPE TERMINAL, 24VDC, 50HZ, 0.5W
    ✓ IN STOCK!
    CAN$76.00 Buy Surplus As Low As CAN$58.00
    CAN$58.00
    Repair Yours Contact Us
    ASEA BROWN BOVERI DLMHBRAAA

    ASEA BROWN BOVERI

    SSAC

    DLMHBRAAA

    RELAYS & MONITORS, SINGLE FUNCTION, 3 PHASE, 500-600 VAC
    ✓ IN STOCK!
    CAN$525.04 Buy Surplus As Low As CAN$239.42
    CAN$239.42
    Repair Yours CAN$300.00
    SIEMENS 3UG4512-2BR20

    SIEMENS

    3UG4512-2BR20

    ANALOG MONITORING RELAY PHASE FAILURE AND SEQUENCE 3 X 160...690 V 50...60 HZ AC 2 CHANGE-OVER CONTACTS SPRING-TYPE CONNECTION SYSTEM , 3UG4512-2BR20 , 3UG4512-2BR20
    ✓ IN STOCK!
    CAN$171.00 Buy Surplus As Low As CAN$102.96
    CAN$102.96
    Repair Yours CAN$300.00
    CARLO GAVAZZI PPC01DM48

    CARLO GAVAZZI

    PPC01DM48

    MONITORING RELAY, PPC01 SERIES, 3-PHASE, 8 AMP @ 250 VAC, ENERGIZED HIGH/LOW, SPDT, 415 VAC, DELAY TIME: 0.1 SECOND - 30 SECOND, PLUG IN MOUNTING
    ✓ IN STOCK!
    CAN$380.80 Buy New CAN$380.80
    CAN$288.00
    Repair Yours CAN$250.00
    CARLO GAVAZZI DPB71CM48

    CARLO GAVAZZI

    DPB71CM48

    480 VAC 3-PH OVER/UNDER VOLT. RLY
    ✓ IN STOCK!
    CAN$405.00 Buy New CAN$405.00
    CAN$243.00
    Repair Yours CAN$250.00
    CARLO GAVAZZI DPB01CM48

    CARLO GAVAZZI

    DPB01CM48

    MONITORING RELAY, FOR PHASE LOSS / SEQUENCE / OVER OR UNDERVOLTAGE, 3 PHASE, SPDT, 380-480 VAC, 50/60 HZ, 13 VA, DIN RAIL MOUNTING
    ✓ IN STOCK!
    CAN$264.60 Buy New CAN$264.60
    CAN$159.00
    Repair Yours CAN$300.00
    SIEMENS 3UG4651-1AW30

    SIEMENS

    3UG4651-1AW30

    SPEED MONITORING RELAY, 24-240 V, 3 A, DIN RAIL, SCREW TERMINAL, 3UG SERIES
    ✓ IN STOCK!
    CAN$448.00 Buy Surplus As Low As CAN$269.00
    CAN$269.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7117-5HF13C

    SIEMENS

    3TX7117-5HF13C

    PLUG-IN RELAY, SQUARE BASE 4PDT, 14 PIN, 15A, 120VAC
    ✓ IN STOCK!
    CAN$52.00 Buy Surplus As Low As CAN$32.00
    CAN$32.00
    Repair Yours Contact Us
    SIEMENS 3TX7116-5FC13C

    SIEMENS

    3TX7116-5FC13C

    PLUG-IN RELAY. 3PDT. 15A. 24VAC, PLUG-IN RELAY, BASIC 11-PIN SQUARE BASE 3PDT, 15A, 24VAC USES SOCKET 3TX7144-4E8
    ✓ IN STOCK!
    CAN$34.00 Buy Surplus As Low As CAN$21.00
    CAN$21.00
    Repair Yours Contact Us
    SIEMENS 3TX7116-5FC03C

    SIEMENS

    3TX7116-5FC03C

    PLUG-IN RELAY. 3PDT. 15A. 24VDC, PLUG-IN RELAY, BASIC 11-PIN SQUARE BASE 3PDT, 15A, 24VDC USES SOCKET 3TX7144-4E8
    ✓ IN STOCK!
    CAN$34.00 Buy Surplus As Low As CAN$21.00
    CAN$21.00
    Repair Yours Contact Us
    SIEMENS 3TX7114-5DF13C

    SIEMENS

    3TX7114-5DF13C

    PLUG-IN RELAY, DPDT, 15A, 120VAC, N79, CONTROLS - PLUG-IN RELAY 3TX71
    ✓ IN STOCK!
    CAN$44.28 Buy Surplus As Low As CAN$18.36
    CAN$18.36
    Repair Yours CAN$300.00
    SIEMENS 3TX7111-3HC13C

    SIEMENS

    3TX7111-3HC13C

    PLUG-IN RELAY. 4PDT. 6A. 24VAC, PLUG-IN RELAY, BASIC 14-PIN SQUARE BASE 4PDT, 6A, 24VAC USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    CAN$34.00 Buy Surplus As Low As CAN$26.00
    CAN$26.00
    Repair Yours Contact Us
    SIEMENS 3TX7111-3HC03C

    SIEMENS

    3TX7111-3HC03C

    PLUG-IN RELAY, 4PDT, 6A, 24VDC, CONTROLS - PLUG-IN RELAY 3TX71, CONTROL PRODUCTS , 3TX7111-3HC03C , 3TX7111-3HC03C
    ✓ IN STOCK!
    CAN$34.00 Buy Surplus As Low As CAN$26.00
    CAN$26.00
    Repair Yours Contact Us
    EATON CORPORATION D15CR26AB

    EATON CORPORATION

    CUTLER HAMMER

    D15CR26AB

    RELAY, D15 SERIES FREEDOM 600V MULTI-POLE RELAY, EIGHT-POLE, 110/120V COIL VOLTAGE, 50/60 HZ, 2NO-6NC CONTACT CONFIGURATION, 60A MAKE, 6.0A BREAK CONTACT RATING, 10A RATED OPERATIONAL CURREN ...
    ✓ IN STOCK!
    CAN$218.00 Buy Surplus As Low As CAN$166.00
    CAN$166.00
    Repair Yours CAN$250.00
    ASEA BROWN BOVERI PLM8405

    ASEA BROWN BOVERI

    SSAC

    PLM8405

    SINGLE FUNCTION RELAYS & MONITORS, 3 PHASE LINE MONITOR
    ✓ IN STOCK!
    CAN$357.36 Buy Surplus As Low As CAN$194.36
    CAN$194.36
    Repair Yours CAN$300.00
    CROUZET DUR-110A

    CROUZET

    DUR-110A

    SYRELEC, VOLTAGE MONITORING RELAY, DIN RAIL, SPDT 10A, 110 VAC
    ✓ IN STOCK!
    CAN$257.00 Buy New CAN$257.00
    CAN$125.97
    Repair Yours CAN$300.00
    SIEMENS 3TX7130-0RD03

    SIEMENS

    3TX7130-0RD03

    OPEN POWER RELAY, HEAVY DUTY DPST, MAGNETIC BLOWOUT 40A, 48VDC, OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$113.00 Buy Surplus As Low As CAN$75.00
    CAN$75.00
    Repair Yours Contact Us
    SIEMENS 3TX7130-0RB03

    SIEMENS

    3TX7130-0RB03

    OPEN RELAY. DPDT. MAG BLO. 40A. 12VDC, OPEN POWER RELAY HEAVY DUTY BASE DPDT, MAG BLOWOUT 40A, 12VDC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$113.00 Buy Surplus As Low As CAN$75.00
    CAN$75.00
    Repair Yours Contact Us
    SIEMENS 3TX7014-1BF00

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7014-1BF00

    DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER WITH PLUG-IN RELAY, 1CO CONTACT, SCREW TERMINAL, 230V AC/DC, 5-50HZ
    ✓ IN STOCK!
    CAN$90.00 Buy Surplus As Low As CAN$69.00
    CAN$69.00
    Repair Yours Contact Us
    SIEMENS 3UG4632-1AW30

    SIEMENS

    3UG4632-1AW30

    DIGITAL MONITORING RELAY, VOLTAGE MONITORING, 22.5 MM, 10 TO 600 VAC/DC, OVERSHOOT AND UNDERSHOOT, 24 TO 240 VAC/DC, 50/60 HZ, 1 CHANGE-OVER CONTACT, SCREW TERMINAL
    ✓ IN STOCK!
    CAN$243.00 Buy Surplus As Low As CAN$185.00
    CAN$185.00
    Repair Yours CAN$250.00
    BENDER ISOCHA425HV-D4-4+AGH420-1

    BENDER

    ISOCHA425HV-D4-4+AGH420-1

    ISOMETER, SWITCHABLE BETWEEN CCS (COMBINED CHARGING SYSTEM) AND CHADEMO, DC 1000 V, MODBUS RTU INTERFACE, DC+/DC/BALANCED
    ✓ IN STOCK!
    CAN$1,398.72 Buy Surplus As Low As CAN$518.15
    CAN$518.15
    Repair Yours CAN$426.60
    SCHNEIDER ELECTRIC MGFR-1-ZB

    SCHNEIDER ELECTRIC

    FEDERAL PIONEER

    MGFR-1-ZB

    120VAC CONTROL, 1-20 AMPS, 0-5 SECONDS DELAY.
    ✓ IN STOCK!
    CAN$490.45 Buy Surplus As Low As CAN$223.65
    CAN$223.65
    Repair Yours CAN$300.00
    SYMCOM 455-575

    SYMCOM

    455-575

    VOLTAGE MONITOR, 3-PHASE, 475-600V, 2-30 SECOND TRIP DELAY
    ✓ IN STOCK!
    CAN$672.60 Buy Surplus As Low As CAN$284.00
    CAN$284.00
    Repair Yours CAN$250.00
    ASEA BROWN BOVERI 1SVR550826R9100

    ASEA BROWN BOVERI

    ABB ROBOTICS

    1SVR550826R9100

    RELAY, PHASE SEQUENCE MONITORING, 200-500 V, 50/60 HZ, SCREW CLAMP, DIN RAIL MOUNT, 3 PHASE, SPDT , 1SVR550826R9100
    ✓ IN STOCK!
    CAN$135.42 Buy Surplus As Low As CAN$74.43
    CAN$74.43
    SIEMENS 3UF7111-1AA01-0

    SIEMENS

    3UF7111-1AA01-0

    CURRENT/VOLTAGE MEASURING MODULE, 3-40 AMP, 690 VAC, 50/60 HZ, 6KV, STRAIGHT THROUGH TRANSFORMER, SCREW TYPE TERMINAL, IP20
    ✓ IN STOCK!
    CAN$822.00 Buy Surplus As Low As CAN$625.00
    CAN$625.00
    Repair Yours CAN$411.00
    CR MAGNETICS CR5395-EL-24D-101-X-CD-ELR-I

    CR MAGNETICS

    CR5395-EL-24D-101-X-CD-ELR-I

    DC CURRENT SENSING RELAY, SOLID CORE INTERNAL CT, DC FREQ ONLY, 24 VDC +/- 10% POWER SUPPLY, UNDERCURRENT DETECTION, NON-LATCHING, NO TIME DELAY, 10 - 100 ADC ADJUSTABLE TRIP RANGE, DPST FOR ...
    ✓ IN STOCK!
    CAN$207.37 Buy Surplus As Low As CAN$141.71
    CAN$141.71
    Repair Yours CAN$300.00
    MACROMATIC PLP575

    MACROMATIC

    PLP575

    3-PHASE MONITOR RELAY, 575 VAC, 8 PIN SPDT 10 AMP RELAY, PHASE LOSS, PHASE REVERSAL - FIXED
    ✓ IN STOCK!
    CAN$141.42 Buy New CAN$141.42
    CAN$77.01
    Repair Yours CAN$300.00
    BENDER RCM420-D-1

    BENDER

    RCM420-D-1

    GROUND-FAULT MONITOR, 10 AMP, 460 VAC, 94 VDC, 42- 2000 HZ, 10 MA, 1X NO/NC, START UP DELAY, LED INDICATOR, SCREW TYPE TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$1,969.07 Buy Surplus As Low As CAN$617.29
    CAN$617.29
    Repair Yours CAN$534.96
    MARSH BELLOFRAM VBA-12-DLA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    VBA-12-DLA

    SINGLE PHASE VOLTAGE BAND MONITOR/RELAYS
    ✓ IN STOCK!
    CAN$737.00 Buy New CAN$737.00
    CAN$561.00
    Repair Yours CAN$368.00
    MARSH BELLOFRAM UOA-240-ALA

    MARSH BELLOFRAM

    ATC DIVERSIFIED ELECTRONICS

    UOA-240-ALA

    VOLTAGE MONITORING RELAY, UOA SERIES, 205-250 VAC DROP-OUT, 215-260 VAC PICK-UP, 10 V HYSTERESIS, LOCKNUT ADJUSTMENT, DPDT, 8-PIN OCTAL
    ✓ IN STOCK!
    CAN$388.00 Buy New CAN$388.00
    CAN$222.01
    Repair Yours CAN$300.00
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