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
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 ...
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INGERSOLL RAND
TRANE
RLY1678
2/135A CURRENT SENSING RELAY, REPLACES: X13310270-01
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ASEA BROWN BOVERI
ABB ROBOTICS
1SVR760488R8300
THREE PHASE MONITORING RELAY, 450-720 VAC RANGE, 50/60 HZ, 0.1-30 SECOND RANGE, DIN-RAIL MOUNTING, (CM-MPN.62P) , 1SVR760488R8300
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ASEA BROWN BOVERI
1SVR730840R0400
CURRENT MONITORING RELAY, 1-4 AMP, 250 VAC, 240 VDC, 3 MA, 750 W, DPDT, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -20 TO +60 DEGREES C, IP20, (CM-SRS.21S)
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ASEA BROWN BOVERI
1SVR730885R3300
RMS MONITORING RELAY, MULTIFUNCTION, 4 AMP, 3 PHASE, 180-280 VAC, 2C/O SPDT, DIN-RAIL 22.5 MM, IP50/IP20, (CM-MPS.21S)
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R-K ELECTRONICS
MVP-A1C
3Ø VOLTAGE MONITOR, 200 TO 480VAC, 8-PIN, 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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AUTOMATION DIRECT
ACUAMP
GFS30-M1B-24-F
ACUAMP GROUND FAULT SENSOR, FIXED CORE, 5, 10, OR 30 MA SELECTABLE TRIP POINT, RELAY, SPST-N.C., MANUAL RESET OUTPUT, 24 VAC/VDC OPERATING VOLTAGE.
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GENERAL ELECTRIC
12IAC53B104A
DISCONTINUED BY MANUFACTURER, RELAY, TIME, OVERCURRENT,TIME OVERCURRENT RELAY
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$374.52
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ALLEN BRADLEY
817S-PTC-48
THERMISTOR MONITORING RELAY, AUTO/MANUAL/REMOTE, 24-48 VAC/DC, OPEN/SHORT CIRCUIT, DIN RAIL MOUNT
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$82.45
WESTINGHOUSE
606B029A09
DISCONTINUED BY MANUFACTURER, AUXILIARY RELAY, 125 VDC, TYPE AR
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$70.06
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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 ...
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SIEMENS
3RR2241-1FA30
MONITORING RELAY, CAN BE MOUNTED TO CONTACTOR 3RT2, SIZE S00 STANDARD, DIGITALLY ADJUSTABLE APPARANT/ACTIVE CURRENT MONITORING 1.6-16 A, 20-400 HZ, 3-PHASE SUPPLY 24 V AC/DC 1 CHANGE-OVER CO ...
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ICM
ICM400
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR, 3 PHASE, 190-600 VAC ADJUSTABLE INPUT, 50/60 HZ, 0.1-5 MIN LOCK OUT TIME DELAY, 1-15 SEC FAULT INTERROGATION, FRONT AND BACK SIDE PROTECTION, ( ...
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$266.85
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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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$92.00
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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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$429.00
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SIEMENS
3RH1440-1BB40
DISCONTINUED BY MANUFACTURER, CONTROL RELAY,4NO,24VDC COIL,LATCHED
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$137.15
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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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$230.79
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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SIEMENS
FURNAS ELECTRIC CO
3TX7014-1BF00
DISCONTINUED BY MANUFACTURER, OUTPUT COUPLER WITH PLUG-IN RELAY, 1CO CONTACT, SCREW TERMINAL, 230V AC/DC, 5-50HZ
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SIEMENS
FURNAS ELECTRIC CO
3TX7117-5PC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 14-PIN, SQUARE BASE, COIL VOLTAGE 24VDC, 15 AMP, 4PDT, USES SOCKET 3TX7144-4E9
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SIEMENS
3TX7110-5BC03C
PLUG-IN RELAY, BASIC 5-PIN, SQUARE BASE SPDT, 15A, 24VDC, USES SOCKET 3TX7144-4E7 , 3TX71105BC03C
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SIEMENS
3TX71105JC13
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 24VAC, USES SOCKET 3TX7144-4E7 , 3TX7110-5JC13 , 3TX7110-5JC13
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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
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HUBBELL
GFT2G
POWER PROTECTION PRODUCTS, GFCI RECEPTACLE ACCESSORIES, TESTER, TEST TRIP LEVEL ON ANY STANDARD GFCI, 15 OR 20A 125V AC, GRADUATED 1-7 MA KNOB, WHITE. , GFT-2G
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SIEMENS
3UG4651-1AA30
DIGITAL MONITORING RELAY SPEED MONITORING FROM 0.1 TO 2200 REV/MIN OVERSHOOT AND UNDERSHOOT AC/DC 24
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SIEMENS
3TX7114-5DC13C
15A DPDT RELAY, PLUG-IN RELAY, BASIC 8-PIN SQUARE BASE DPDT, 15A, 24VAC USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6
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BENDER
RCM420-D-2
GROUND-FAULT MONITOR, SUPPLY: 100-250VAC/DC, RATED INSULATION VOLTAGE: 250V, OPERATING RANGE: 70-300VAC/DC, 42-460HZ, OVERVOLTAGE CAT.: IIII
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SIEMENS
3UG4615-2CR20
DIGITAL MONITORING RELAY, 3-PHASE, 160-690 VAC, 50/60 HZ, SPRING-LOADED TERMINAL, DIN RAIL MOUNT , 3UG46152CR20
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SYMCOM
201A
DISCONTINUED BY MANUFACTURER, PROTECTION RELAY, MOTORSAVER, PHASE LOSS DETECTION, REVERSE PHASE, 3 PHASE, 190/480 VAC, 50/60 HZ, 8-PIN PLUG-IN, SPDT OUTPUT, (REPLACED BY LITTELFUSE 201A)
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$101.21
ASEA BROWN BOVERI
1SVR630774R1300
DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, 2NO/2NC CONTACTS, PHASE FAILURE, PHASE IMBALANCE, PHASE SEQUENCE, 0 / 0.1-30 SECOND TIME DELAY, -25 TO +60 DEGREES C, (CM-PAS.31)
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$342.00
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CONVERTEAM
MBCH12D1BD0752A
DISCONTINUED BY MANUFACTURER, RELAY, TRANSFORMER DIFFERENTIAL, 5 AMP / 110-125 V / 60 HZ
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$83.05
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MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
DPR350C
PHASE MONITORING RELAY, SPDT, 5A, 250VAC
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SAMWHA
PMR-220N7
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, DIN-RAIL, 160-300 VAC, 1 SPDT, 50/60 HZ, 220 VAC SUPPLY
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$59.02
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LITTELFUSE
201A-AU
PHASE RELAY, SPDT, 190-480V, SOCKET; PRODUCT RANGE:201A-AU SERIES; CONTACT CONFIGURATION:SPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:QUICK CONNECT; SWITCHING VOLTAGE MA ...
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SCHWEITZER ENGINEERING
SEL-311C-0311C01H242542X
DISCONTINUED BY MANUFACTURER, PROTECTION AND AUTOMATION SYSTEM, SEL-311C, LOGIC INPUT / 5 PHASE / 5 POLE / 125 VDC / 150 VAC WYE, POWER SUPPLY / 25 W / 85-350 VDC / 85-364 VAC / 125-250 VDC ...
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$279.00
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