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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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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$172.95
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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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$273.00
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SIEMENS
3TX7110-5JC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 24VDC, USES SOCKET 3TX7144-4E7
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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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$69.05
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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$197.18
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TIME MARK CORP
C2644
3-PHASE MONITOR, 10AMP, 240V, DPDT, AUTOMATIC RESET, SURFACE MOUNT, TRIP DELAY, UNDER VOLTAGE PROTECTION, 480VAC
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TIME MARK CORP
173-5-240
AC CURRENT MONITOR, 120/240VAC, 10A, 240MA
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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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$119.67
SIEMENS
3TX7127-3HC00
DC OPERATED. CONTACT CONFIGURATION 4PDT. CONTACT VOLTAGE 240 VAC 28 VDC. CONTACT CURRENT 3 AMPERE. COIL VOLTAGE 24 VDC. QUICK CONNECT TERMINAL. PILOT LIGHT IN MOUNTING. APPROVAL UL (CANADA A ...
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TIME MARK CORP
C269
PHASE MONITOR, OVER/UNDER FUNCTION, SOLID STATE, ELECTROMECHANICAL, 3 PHASE, 10 AMP @ 240 VAC, 480 VAC SUPPLY VOLTAGE, SPDT CONTACT, SCREW TERMINATION, PANEL MOUNT
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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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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
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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 ...
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SIEMENS
3TX7114-5LH13
AC OPERATED. CONTACT CONFIGURATION DPDT. CONTACT VOLTAGE 240 VAC AT 50/60 HZ 30 VDC. CONTACT CURRENT 10 AMPERE. COIL VOLTAGE 240 VAC. QUICK CONNECT/PILOT LIGHT IN/SOLDER TERMINAL. PILOT LIGH ...
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SIEMENS
3UF7103-1BA00-0
CURRENT MEASURING MODULE, SET CURRENT 20...200 A, OVERALL WIDTH 120 MM, BUSBAR CONNECTION
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SIEMENS
3RS1800-1AP00
COUPLING RELAY IM INDUSTRY-STANDARD ENCLOSURE 1 CHANGEOVER CONTACT COMBIVOLTAGE 24 V AND 220 V TO 24
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SIEMENS
3UF7102-1AA00-0
CURRENT MEASURING MODULE, 10-100 AMP, OVERALL WIDTH 55 MM, STRAIGHT THROUGH TRANSFORMER
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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
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SIEMENS
3RH1140-2AB00
CONTROL RELAY, 4NO, 24VAC, 50/60 HZ, TERMINAL SIZE S00
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$18.00
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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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$66.00
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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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$336.56
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SIEMENS
3RH1140-1AK60
DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 4NO, 120VAC / 50/60HZ COIL, 3RH SERIES
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$61.86
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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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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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$125.66
SIEMENS
FURNAS ELECTRIC CO
3RS1800-1BP00
RELAY, 24 VUC & 220 - 240 VAC, 2CO, SCREW, N76, CONTROLS - INTERFACE 3RS
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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
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SIEMENS
3RH1131-2WB40
CONTROL RELAY,2NO 2NC,24VDC LW COIL,CC
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$80.00
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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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$355.01
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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
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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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SIEMENS
FURNAS ELECTRIC CO
3RH1122-1AU60
DISCONTINUED BY MANUFACTURER, CONTROL RELAY, 2NO+2NC, 277VAC, 60HZ, SUCCESSOR 3RH2122-1AU60
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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
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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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$415.80
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SIEMENS
3UF7103-1AA00-0
CURRENT MEASURING MODULE, 20-200 AMP SET CURRENT, 120 MM OVERALL WIDTH, STRAIGHT-THROUGH TRANSFORMER
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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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$96.38
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SIEMENS
FURNAS ELECTRIC CO
3TX7112-1LF13
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN OCTAL BASE, DPDT, 10 AMP, 120 VAC
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SIEMENS
3TX7114-5LF13
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 15A, 120VAC
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ASEA BROWN BOVERI
SSAC
HLMUDRAAA
3 PHASE VOLTAGE MONITOR, 200-480VAC, ADJUSTABLE, 3-PHASE DELTA OR WYE WITH NO CONNECTION TO NEUTRAL, 50 / 60 AUTOMATICALLY DETECTED; 240 V AC: 50 / 60; 380 V AC: 50; 480 V AC: 60, DPDT
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ASEA BROWN BOVERI
SSAC
HLMUDNAAN
VOLTAGE MONITOR, HLM SERIES, 3 PHASE
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ASEA BROWN BOVERI
1SVR450423R0600
DISCONTINUED BY MANUFACTURER, CURRENT MONITOR, 3 PHASE
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$336.00
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EATON CORPORATION
CUTLER HAMMER
ARD440L
CONTROL RELAY, 24 VDC COIL, 4 POLE, 4 N/O CONTACT, 600 V DC, CONVERTIBLE CONTACT, ARD TYPE
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EATON CORPORATION
CUTLER HAMMER
AR880A
EATON AR/ARD CONVERTIBLE CONTACT MACHINE TOOL INDUSTRIAL CONTROL RELAY, EIGHT\-POLE, 110/120V COIL VOLTAGE, 50/60 HZ, 8NO CONTACT CONFIGURATION, 0 BLANK CAVITIES
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SIEMENS
3TX7130-0RF03
OPEN RELAY. DPDT. MAG BLO. 40A. 110VDC, OPEN POWER RELAY HEAVY DUTY DPDT, MAG BLOWOUT 40A, 110VDC OPTIONAL METAL COVER 3TX7144-1M0
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