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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.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    Results 201-250 of 846.
    SIEMENS 3RH1140-1JB40

    SIEMENS

    FURNAS ELECTRIC CO

    3RH1140-1JB40

    CONTROL RELAY, 4NO, 24VDC EXT COIL, SCREW
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$170.27
    CAN$170.27
    Repair Yours CAN$362.15
    GOTRONIC 553100

    GOTRONIC

    553100

    POWER LINE MONITOR 240VAC
    ✓ IN STOCK!
    CAN$172.50 Buy Surplus As Low As CAN$136.13
    CAN$136.13
    Repair Yours CAN$357.83
    AMETEK ET-1214C

    AMETEK

    ROCHESTER INSTRUMENT SYSTEMS

    ET-1214C

    VOLTAGE ALARM LOW TRIP FAILSAFE 1-5VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$173.76
    CAN$173.76
    ALLEN BRADLEY 809-A18E

    ALLEN BRADLEY

    809-A18E

    DISCONTINUED BY MANUFACTURER 2009-11-29, CURRENT RELAY, INSTANTANEOUS TRIP, AUTOMATIC RE SET, 120 AMP CONTINUOUS, 1 NO OUTPUT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$670.84
    CAN$670.84
    Repair Yours CAN$465.93
    SIEMENS 3TX7111-3PF13

    SIEMENS

    3TX7111-3PF13

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 14-PIN, SQUARE BASE 4PDT, 6A, 120VAC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5 , 3TX7111-3PF13 , 3TX7111-3PF13
    ✓ IN STOCK!
    CAN$51.20 Buy Surplus As Low As CAN$27.01
    CAN$27.01
    Repair Yours CAN$300.00
    SIEMENS 3RH1140-1AK60

    SIEMENS

    3RH1140-1AK60

    DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 4NO, 120VAC / 50/60HZ COIL, 3RH SERIES
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$89.82
    CAN$89.82
    Repair Yours CAN$360.00
    CROUZET DWRS440A

    CROUZET

    DWRS440A

    3-PHASE MONITORING RELAY, DIN RAIL, SPDT 10A, 3X440 VAC, CAN BE REPLACED BY PN PWRS440A. DIFFERENCE: 8-PIN CONNECTOR INSTEAD OF DIN RAIL MOUNT. NEEDED: AN 8-PIN DIN RAIL SOCKET
    ✓ IN STOCK!
    CAN$159.88 Buy New CAN$159.88
    CAN$95.94
    Repair Yours CAN$360.00
    ALLEN BRADLEY 813S-E2CD60

    ALLEN BRADLEY

    813S-E2CD60

    DISCONTINUED BY MANUFACTURER 2010-11-28, PHASE MONITOR, MONITORING RANGE 250...690V AC, VOLTAGE RELAY, ELECTRONIC, 115V AC CONTROL POWER, 250-690V AC, 60 HZ, THREE-PHASE, 2 NORMALLY OPEN OUT ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$465.42
    CAN$465.42
    Repair Yours CAN$369.66
    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 3TX7126-3HB10

    SIEMENS

    3TX7126-3HB10

    DISCONTINUED BY MANUFACTURER, PLUG-IN RELAY, SIMIREL MINIATURE BASE 4PDT, 3A, 12VAC
    ✓ IN STOCK!
    CAN$26.92 Buy Surplus As Low As CAN$17.42
    CAN$17.42
    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
    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 3TX7115-5LC03

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7115-5LC03

    DISCONTINUED BY MANUFACTURER, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 10A, 24VDC, USES SOCKET 3TX7144-4E4
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$20.33
    CAN$20.33
    SIEMENS 3RS1800-1HP01

    SIEMENS

    3RS1800-1HP01

    DISCONTINUED BY MANUFACTURER 10/01/20202, RELAY MODULE, 24 VUC,220-240 VAC, 3 CHANGE ONER CONTACTS, SCREW TYPE TERMINAL DIN RAIL MOUNT, PREFERRED SUCCESSOR 3RQ2000-1CW01 , 3RS1800-1HP01
    ✓ IN STOCK!
    CAN$105.00 Buy Surplus As Low As CAN$80.00
    CAN$80.00
    Repair Yours Contact Us
    SIEMENS 3RS1800-1HQ00

    SIEMENS

    3RS1800-1HQ00

    DISCONTINUED BY MANUFACTURER 10/01/2022, COUPLING RELAYS, 24V AND 110-120V AC/DC, SCREW TERMINAL, SUCCESSOR: 3RQ2000-1CW00
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$127.78
    CAN$127.78
    Repair Yours Contact Us
    SIEMENS 3RS1800-2BW00

    SIEMENS

    3RS1800-2BW00

    RELAY, SIRIUS 3RS18 SERIES, 24 - 240 VAC/DC, DPDT, 3 AMP, 750 VA, NON-LATCHING, SPRING TERMINAL , 3RS1800-2BW00
    ✓ IN STOCK!
    CAN$98.00 Buy Surplus As Low As CAN$75.00
    CAN$75.00
    Repair Yours Contact Us
    SIEMENS 3TX7014-1BF02

    SIEMENS

    3TX7014-1BF02

    INPUT COUPLER, WITH PLUG-IN RELAY, 1 CHANGE-OVER CONTACT, HARD GOLD-PLATED, SCREW TERMINAL, 230V AC/DC, ENCLOSURE WIDTH 6.2 MM
    ✓ IN STOCK!
    CAN$98.74 Buy Surplus As Low As CAN$44.59
    CAN$44.59
    SIEMENS 3UG4622-1AA30

    SIEMENS

    3UG4622-1AA30

    DIGITAL MONITORING RELAY, SIRIUS, 1 PHASE, 3 POLE, 5 AMP, 690 VAC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -25 TO +60 DEGREES C, IP20
    ✓ IN STOCK!
    CAN$228.00 Buy Surplus As Low As CAN$137.00
    CAN$137.00
    Repair Yours CAN$250.00
    SIEMENS 3UG4632-1AA30

    SIEMENS

    3UG4632-1AA30

    VOLTAGE MONITORING RELAY, DIGITAL, SPDT, 1 PHASE, 1 POLE, 10-600 VAC/DC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -25 TO +60 DEGREES C , 3UG4632-1AA30
    ✓ IN STOCK!
    CAN$220.00 Buy Surplus As Low As CAN$168.00
    CAN$168.00
    Repair Yours CAN$250.00
    SIEMENS 3UG4617-1CR20

    SIEMENS

    3UG4617-1CR20

    MONITORING RELAY, DIGITAL, LCD DISPLAY, 0-20 S OFF DELAY, 3-PHASE, 160-690 V, 50/60 HZ, IP20, (SUCCESSOR: 3UG5618-1CR20)
    ✓ IN STOCK!
    CAN$320.00 Buy Surplus As Low As CAN$192.00
    CAN$192.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7110-5BF13C

    SIEMENS

    3TX7110-5BF13C

    15A 24VDC RELAY, PLUG-IN RELAY, BASIC 5-PIN SQUARE BASE SPDT, 15A, 120VAC USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    CAN$20.00 Buy Surplus As Low As CAN$12.02
    CAN$12.02
    Repair Yours CAN$300.00
    SIEMENS 3TX7110-5JG13

    SIEMENS

    3TX7110-5JG13

    PREMIUM PLUG-IN RELAY. SPDT. 15A. 240VAC, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG 5-PIN SQUARE BASE SPDT, 15A, 230VAC USES SOCKET 3TX7144-4E7
    ✓ IN STOCK!
    CAN$40.00 Buy Surplus As Low As CAN$24.00
    CAN$24.00
    Repair Yours Contact Us
    SIEMENS 3TX7130-0DF13

    SIEMENS

    3TX7130-0DF13

    OPEN PWR RELAY. DPST. 40A. 120VAC, OPEN POWER RELAY HEAVY DUTY DPDT, 40A, 120VAC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$205.00 Buy Surplus As Low As CAN$123.00
    CAN$123.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7130-0QF13

    SIEMENS

    3TX7130-0QF13

    OPEN PWR RELAY. SPST-NC-DM. 40A. 120VAC, 3TX71300QF13 OPEN POWER RELAY HEAVY DUTY SPDT-NC-DM, 40A, 120VAC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$81.00 Buy Surplus As Low As CAN$62.00
    CAN$62.00
    Repair Yours Contact Us
    SIEMENS 3TX7127-3HC03

    SIEMENS

    3TX7127-3HC03

    HERM SLD PLUG-IN RELAY. 4PDT. 5A. 12VDC, PLUG-IN RELAY, SEALED 14-PIN, SQUARE BASE 4PDT, 5A, 24VDC HERMETICALLY SEALED CLASS I DIV II APPROVED USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    CAN$363.39 Buy Surplus As Low As CAN$113.99
    CAN$113.99
    Repair Yours CAN$300.00
    ALLEN BRADLEY 819-E1D

    ALLEN BRADLEY

    819-E1D

    MOTOR ROTATION MONITOR, FREQUENCY 20...249 HZ, BACK EMF 400V AC MAX (IEC), 300V AC MAX (CSA/UL), 115V AC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$90.75
    CAN$90.75
    Repair Yours CAN$364.52
    ALLEN BRADLEY 813S-E2BZJ50

    ALLEN BRADLEY

    813S-E2BZJ50

    DISCONTINUED BY MANUFACTURER 11/29/2010, VOLTAGE RELAY,ELECTRONIC,24V DC CONTROL POWER,150-500V AC,50 HZ,THREE-PHASE,2 NORMALLY OPEN OUTPUTS AND 1 NORMALLY CLOSED OUTPUT,AUTOMATIC RESET
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$490.93
    CAN$490.93
    Repair Yours CAN$368.95
    OMRON SDVFH6AC100110

    OMRON

    SDVFH6AC100110

    VOLTAGE SENSOR, 2 AMP, 220 VAC, 24 VDC
    ✓ IN STOCK!
    CAN$1,755.12 Buy Surplus As Low As CAN$699.18
    CAN$699.18
    Repair Yours CAN$522.88
    SIEMENS 3RH1131-2WB40

    SIEMENS

    3RH1131-2WB40

    CONTROL RELAY,2NO 2NC,24VDC LW COIL,CC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$116.16
    CAN$116.16
    Repair Yours CAN$357.83
    SIEMENS 3RH1140-2AB00

    SIEMENS

    3RH1140-2AB00

    CONTROL RELAY, 4NO, 24VAC, 50/60 HZ, TERMINAL SIZE S00
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$37.03
    CAN$37.03
    Repair Yours CAN$360.00
    SIEMENS 3TX7004-4PG24

    SIEMENS

    3TX7004-4PG24

    INPUT COUPLING LINK, 110-230 VAC, HL OUTPUT, 0.1 A, 30 V DC, SHORT CIRCUIT-PROOF, ENCLOSURE WIDTH 6.2 MM
    ✓ IN STOCK!
    CAN$116.00 Buy Surplus As Low As CAN$77.00
    CAN$77.00
    Repair Yours Contact Us
    SIEMENS 3TX7004-1LB02

    SIEMENS

    3TX7004-1LB02

    OUTPUT COUPLING LINK, SCREW TERMINAL, 1 CO HARD GOLD-PLATED, 24 VAC/DC, 6.2 MM ENCLOSURE WIDTH, DIN RAIL MOUNTABLE, PREFERRED SUCCESSOR: 3RQ3018-1AB01
    ✓ IN STOCK!
    CAN$79.00 Buy Surplus As Low As CAN$48.00
    CAN$48.00
    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
    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$163.00 Buy Surplus As Low As CAN$98.99
    CAN$98.99
    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$415.00 Buy Surplus As Low As CAN$249.00
    CAN$249.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7126-3PF13

    SIEMENS

    3TX7126-3PF13

    DISCONTINUED BY MANUFACTURER, PLUG-IN RELAY, LED, 14-PIN, SQUARE BASE 4PDT, 5A, 120VAC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$17.44
    CAN$17.44
    SIEMENS 3RS1800-1AP00

    SIEMENS

    3RS1800-1AP00

    (PRICE/PC) RELAY, 24VUC & 220 - 240VAC, 1CO,SCREW, CONTROLS - INTERFACE 3RS , 3RS1800-1AP00
    ✓ IN STOCK!
    CAN$64.00 Buy Surplus As Low As CAN$49.00
    CAN$49.00
    Repair Yours Contact Us
    SIEMENS 3RS1800-1HW01

    SIEMENS

    3RS1800-1HW01

    DISCONTINUED BY MANUFACTURER 10/01/2024, COUPLING RELAY, INDUSTRIAL ENCLOSURE, 24-240 VAC/DC, 50/60 HZ, 3 CHANGE-OVER CONTACT, HARD GOLT-PLATED, IP20, -25 TO 60 DEGREE C, SUCCESSOR: 3RQ2000- ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$182.46
    CAN$182.46
    SIEMENS 3UG4512-1BR20

    SIEMENS

    3UG4512-1BR20

    SCREW TERMINAL, PHASE FAILURE AND SEQUENCE
    ✓ IN STOCK!
    CAN$178.00 Buy Surplus As Low As CAN$107.00
    CAN$107.00
    Repair Yours Contact Us
    SIEMENS 3UG4621-1AA30

    SIEMENS

    3UG4621-1AA30

    DIGITAL MONITORING RELAY, CURRENT MONITORING, 2-500 MA AC/DC, 24 VAC/DC, 50/60 HZ, SCREW TYPE TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$228.00 Buy Surplus As Low As CAN$137.00
    CAN$137.00
    Repair Yours CAN$250.00
    SIEMENS 3TX7014-7BM00

    SIEMENS

    3TX7014-7BM00

    RELAY. 24VUC. 1CO, CABINET UNIT FOR USE IN 24 V DC RELAY,1CHANGEOVER CONTA.,24V DC
    ✓ IN STOCK!
    CAN$26.00 Buy Surplus As Low As CAN$18.00
    CAN$18.00
    Repair Yours Contact Us
    SIEMENS 3TX7130-0BC13

    SIEMENS

    3TX7130-0BC13

    OPEN PWR RELAY. SPDT. 40A. 24VAC, OPEN POWER RELAY HEAVY DUTY SPDT, 40A, 24VAC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$100.73 Buy Surplus As Low As CAN$54.00
    CAN$54.00
    Repair Yours CAN$300.00
    SIEMENS 3TX7130-0CC13

    SIEMENS

    3TX7130-0CC13

    OPEN PWR RELAY. DPST-NO. 40A. 24VAC, OPEN POWER RELAY HEAVY DUTY DPST-NO, 40A, 24VAC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$89.00 Buy Surplus As Low As CAN$68.00
    CAN$68.00
    Repair Yours Contact Us
    SIEMENS 3TX7130-0AF13

    SIEMENS

    3TX7130-0AF13

    OPEN PWR RELAY. SPST-NO-DM. 40A. 120VAC, OPEN POWER RELAY HEAVY DUTY SPST-NO-DM, 40A, 120VAC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$81.00 Buy Surplus As Low As CAN$62.00
    CAN$62.00
    Repair Yours Contact Us
    SIEMENS 3TX7130-0DC03

    SIEMENS

    3TX7130-0DC03

    OPEN PWR RELAY. DPST. 40A. 24VDC, OPEN POWER RELAY HEAVY DUTY DPDT, 40A, 24VDC OPTIONAL METAL COVER 3TX7144-1M0
    ✓ IN STOCK!
    CAN$94.00 Buy Surplus As Low As CAN$72.00
    CAN$72.00
    Repair Yours Contact Us
    SIEMENS 3TX7127-3HF13

    SIEMENS

    3TX7127-3HF13

    HERM SLD PLUG-IN RELAY. 4PDT. 5A. 120VAC, PLUG-IN RELAY, SEALED 14-PIN, SQUARE BASE 4PDT, 5A, 120VAC HERMETICALLY SEALED CLASS I DIV II APPROVED USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
    ✓ IN STOCK!
    CAN$202.00 Buy Surplus As Low As CAN$154.00
    CAN$154.00
    Repair Yours CAN$250.00
    SIEMENS 3UG3501-1AL20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG3501-1AL20

    DISCONTINUED BY MANUFACTURER: 03/06/2007, MONITORING RELAY, 230 VAC, 50/60 HZ, SCREW CONNECTION, 5-100 KOHM SENSITIVITY, 1 CO CONTACT, FOR LEVEL MONITORING, SUCCESSOR: 3UG4501-1AW30
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$191.67
    CAN$191.67
    SIEMENS 3UG4511-1BP20

    SIEMENS

    FURNAS ELECTRIC CO

    3UG4511-1BP20

    ANALOG MONITORING RELAY, PHASE SEQUENCE MONITORING, 3 PHASE, 320-500 VAC, 50/60 HZ, 2 CHANGE-OVER CONTACTS, SCREW TERMINAL, PREFERRED SUCCESSOR: 3UG5511-1BR20
    ✓ IN STOCK!
    CAN$155.00 Buy Surplus As Low As CAN$94.96
    CAN$94.96
    Repair Yours CAN$300.00
    SIEMENS 3TX71113DF13C

    SIEMENS

    3TX71113DF13C

    PLUG-IN RELAY, DPDT, 12A, 120VAC
    ✓ IN STOCK!
    CAN$31.00 Buy Surplus As Low As CAN$24.00
    CAN$24.00
    Repair Yours Contact Us
    SIEMENS 3TX7111-3LC03

    SIEMENS

    FURNAS ELECTRIC CO

    3TX7111-3LC03

    PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 12A, 24VDC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5, 3TX7111-3LC03
    ✓ IN STOCK!
    CAN$44.00 Buy Surplus As Low As CAN$27.00
    CAN$27.00
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