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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GIC
MG53BI
VOLTAGE MONITORING RELAY, SM 501 SERIES, 2 C/O, 3 W, 3 PHASE, 415 V, 65 V ASYMMETRY, 50/60 HZ, 5 SECOND RELEASE / OPERATE TIME, OV / SINGLE PHASING PREVENTOR / SPP
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NK TECHNOLOGIES
AG1-NOAC-24U-ND-070
DISCONTINUED BY MANUFACTURER, GROUND FAULT SENSOR, FACTORY ADJUSTED SETPOINT, 24VAC - 24VDC, 240VAC OUTPUT, 1AMP MAX
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CAN$205.47
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MACROMATIC
PMDU-E-102
CURRENT MONITOR RELAY, PMD SERIES, 190-500 VAC MONITORED, 24 VAC INPUT, 0.1-10 SEC TIME DELAY, 10 AMP @ 120VAC / 30VDC, DIN RAIL MOUNT
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CAN$78.40
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SIEMENS
FURNAS ELECTRIC CO
3RH1140-2BB40
DISCONTINUED BY MANUFACTURER, RELAY CONTROL, 6AMP, 24VDC, 4NO W/CAGE CLAMP TERMINAL, SUCCESSOR 3RH2140-2BB40
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CAN$254.07
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TIME MARK CORP
173-5-240
AC CURRENT MONITOR, 120/240VAC, 10A, 240MA
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SIEMENS
3RH1140-2AB00
CONTROL RELAY, 4NO, 24VAC, 50/60 HZ, TERMINAL SIZE S00
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CAN$29.97
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ALLEN BRADLEY
819-E1D
MOTOR ROTATION MONITOR, FREQUENCY 20...249 HZ, BACK EMF 400V AC MAX (IEC), 300V AC MAX (CSA/UL), 115V AC
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CAN$96.96
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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 ...
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CAN$494.41
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SIEMENS
3RH1140-1AK60
DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 4NO, 120VAC / 50/60HZ COIL, 3RH SERIES
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CAN$90.87
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OMRON
G2R-1-E DC48
POWER RELAY, GENERAL PURPOSE, PCB TERMINALS, SINGLE-SIDE STABLE, 1-POLE, SPDT (1 FORM C), 16 AMP CONTACT RATING, SINGLE CONTACT, FLUX PROTECTION, HIGH-CAPACITY, 48 VDC COIL
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OMRON
SDV-FM2 DC24
VOLTAGE SENSOR, SINGLE-FUNCTION, OVERVOLTAGE OR UNDERVOLTAGE DETECTION, 0.2 TO 12 V (AC OR DC INPUT), 24 VDC , SDV-FM2 DC24
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AMETEK
ROCHESTER INSTRUMENT SYSTEMS
ET-1214C
VOLTAGE ALARM LOW TRIP FAILSAFE 1-5VDC
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CAN$175.80
TIME MARK CORP
279B-120
DC CURRENT MONITOR, 1-10 AMP DC, 120 VAC, SIZE 3.5, 2 X 2.44 X 1.75 INCH
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GOTRONIC
585100
POWER LINE MONITOR 480VAC
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CAN$246.10
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EATON CORPORATION
CUTLER HAMMER
AR4AR
EATON AR/ARD CONVERTIBLE CONTACT MACHINE TOOL INDUSTRIAL CONTROL RELAY, FOUR\-POLE, 110/120V COIL VOLTAGE, 50/60 HZ, 4 BLANK CAVITIES, SCREW TERMINALS
## ATTRIBUTES
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| ...
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SIEMENS
FURNAS ELECTRIC CO
3RH1131-1BA40
CONTACTOR RELAY, 3 N/0 + 1 N/C, 12 VDC, SCREW TERMINAL
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CAN$95.49
SIEMENS
FURNAS ELECTRIC CO
3RH1244-1BB40
DISCONTINUED BY MANUFACTURER, CONTROL RELAY, SCREW TERMINALS, 4NO, 4NC, 24VDC COIL
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CAN$105.77
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SIEMENS
3RS1800-1HQ00
DISCONTINUED BY MANUFACTURER 10/01/2022, COUPLING RELAYS, 24V AND 110-120V AC/DC, SCREW TERMINAL, SUCCESSOR: 3RQ2000-1CW00
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CAN$129.27
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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
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CAN$21.18
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- ...
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CAN$184.60
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
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SIEMENS
3RH1131-2WB40
CONTROL RELAY,2NO 2NC,24VDC LW COIL,CC
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CAN$117.52
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SIEMENS
FURNAS ELECTRIC CO
3UG3501-1AC20
DISCONTINUED BY MANUFACTURER: 02/08/2008, MONITORING RELAY, 24 VAC, 50/60 HZ, SCREW CONNECTION, 5-100 KOHM SENSITIVITY, 1 CO CONTACT, FOR LEVEL MONITORING, SUCCESSOR: 3UG4501-1AW30
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CAN$121.69
SIEMENS
3UG3532-1AL20
DISCONTINUED BY MANUFACTURER, SINCE - 01/10/2007, VOLTAGE CONTROL RELAY, SINGLE PHASE, 230VAC (50/60 HZ), LED STATUS INDICATORS, SCREW CLAMP TERMINALS, DIN-RAIL MOUNTED
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CAN$136.62
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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
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CAN$193.91
SIEMENS
3TX7126-3PF13
DISCONTINUED BY MANUFACTURER, PLUG-IN RELAY, LED, 14-PIN, SQUARE BASE 4PDT, 5A, 120VAC, USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
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CAN$17.63
SIEMENS
FURNAS ELECTRIC CO
3RH1131-1BW40
DISCONTINUED BY MANUFACTURER, AUXILLIARY CONTACTOR, RELAY, 4 POLE, 3 N.O. / 1 N.C., 48 VDC, SCREW TERMINAL
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CAN$176.97
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SIEMENS
FURNAS ELECTRIC CO
3RH1140-1AB00
DISCONTINUED BY MANUFACTURER, POWER CONTACTOR, 6AMP, 24VAC, 50-60HZ, 230V, 4NO COIL, SIZE S00, SCREW TERMINALS
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CAN$102.70
ALLEN BRADLEY
813S-E2CD50
DISCONTINUED BY MANUFACTURER, PHASE MONITOR, MONITORING RANGE 250-690 VAC, 115 VAC, 50/60 HZ, 2 VA
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CAN$401.04
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SIEMENS
FURNAS ELECTRIC CO
3RH1122-1BG40
DISCONTINUED BY MANUFACTURER, CONTACTOR RELAY, 2N0 + 2NC, 125VDC, SCREW TERMINAL, SIZE S00, REPLACED BY 3RH2122-1BG40
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CAN$101.44
SIEMENS
FURNAS ELECTRIC CO
3UG3511-1BQ50
DISCONTINUED BY MANUFACTURER 03/20/2006, MONITORING RELAY, 3 PHASE, 230-400 VAC, 50/60 HZ, 8 AMP, 2 CHANGE OVER CONTACTS, 1/3 HP, 22.5 MM, SCREW CONNECTOR
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CAN$289.66
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SIEMENS
FURNAS ELECTRIC CO
3UF7111-1AA00-0
DISCONTINUED BY MANUFACTURER 12/01/2021, CURRENT/VOLTAGE MEASURING MODULE, SIMOCODE PRO, 2.4-25 AMP, DETECTION UP TO 690V, OVERALL WIDTH 45 MM, STRAIGHT-THROUGH TRANSFORMER, REPLACED BY 3UF7 ...
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CAN$630.21
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SIEMENS
3RH1440-1BB40
DISCONTINUED BY MANUFACTURER, CONTROL RELAY,4NO,24VDC COIL,LATCHED
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CAN$201.48
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R-K ELECTRONICS
PVCL-200-AR
3Ø VOLTAGE MONITOR208/240VAC 3Ø, DPDT, MULTI-RANGE 1 & PHASE VOLTAGE MONITOR 115 TO 265VAC, 1Ø, 208 TO 575VAC, 3Ø, SURFACE MOUNT, SPDT CONTACTS, PUSH-ON TABS
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SIEMENS
FURNAS ELECTRIC CO
3RH1122-1AP60
DISCONTINUED BY MANUFACTURER, RELAY, 6AMP, 2NO + 2NC, 240VAC, 50/60HZ, SUCCESSOR 3RH2122-1AP60
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CAN$339.03
R-K ELECTRONICS
TVM-200-20
UNDER & OVER VOLTAGE 3 PHASE VOLTAGE MONITOR, UNDERVOLTAGE - OVER VOLTAGE - PHASE LOSS - PHASE ROTATION, ADJUSTABLE 200 TO 250VAC 3Ø, 10PCT, 0.5 SECOND PICK-UP & DROP-OUT DELAY, 8-PIN BASE, ...
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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
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CAN$521.52
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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
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R-K ELECTRONICS
PVM-480A-200P
DISCONTINUED BY MANUFACTURER, RELAY VOLTAGE MONITOR, 3 PHASE, 480VAC, DIRECT REPLACEMENT IS TVM-400-20
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CAN$474.49
ALLEN BRADLEY
809-A18E
DISCONTINUED BY MANUFACTURER 2009-11-29, CURRENT RELAY, INSTANTANEOUS TRIP, AUTOMATIC RE SET, 120 AMP CONTINUOUS, 1 NO OUTPUT
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CAN$678.69
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NIDEC CORP
CONTROL TECHNIQUES
CDRO-010
COMMAND CABLE TO POSITION CONTROLLER, 45, SERVO CABLES
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EATON CORPORATION
CUTLER HAMMER
EZ512-AC-RC
DISCONTINUED BY MANUFACTURER, SMART RELAY, PROGRAMMABLE TYPE, W/ DISPLAY, CLOCK, DIN RAIL MOUNT, 12 I/O, 8 INPUT, 4 OUTPUT, EZ SERIES
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CAN$669.87
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ASEA BROWN BOVERI
SSAC
KVM6
SINGLE PHASE VOLTAGE MONITOR RELAY, 5 STRAIGHT BLADES, ADJUSTMENT RANGE: 156-199 VAC, OUTPUT: 230 VAC, RATING: 8 A, 1/3 HP
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