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.
Filter Results
BENDER
CMS460-D-2
DISCONTINUED BY MANUFACTURER, MULTI-CHANNEL GROUND FAULT MONITOR, UP TO 12 SEPARATE CHANNELS, TRIP VALUE IS ADJUSTABLE FROM 6 MA TO 20 A, 70-276 VAC (42-460 HZ), 70-276 VDC, FOR DC AND MIXED ...
✓ IN STOCK!
Buy Surplus As Low As
$1,141.68
Repair Yours
$1,169.87
CEE
DTM 7033
RELAY / MACHINE DIFFERENTIAL PROTECTION, SERIES 7000, 2 DUAL SLOPE BIAS, LEVEL 1 / ADJUSTABLE / 2-20 %, LEVEL 2 / FIXED AT 50 %, 3 PHASE, ANSI FUNCTION CODE: 87 M, FOR ROTATING MACHINES
✓ IN STOCK!
Repair Yours
$1,759.07
GENERAL ELECTRIC
MULTILIN
350-E-P5-G5-H-E-E-N-M-1E-D-N
DISCONTINUED BY MANUFACTURER, FEEDER PROTENCTION SYSTEM, SERIES 3, 125-250VDC, 120-240VAC, 50/60HZ, 36VA
✓ IN STOCK!
Buy Surplus As Low As
$3,452.62
Repair Yours
$2,895.06
SIEMENS
3UG4983-2AA01
VOLTAGE REDUCER MODULE FOR INSULATION MONITORING RELAY 3UG4583 FOR EXPANDING THE SUPPLY VOLTAGE RANGE TO 690 V AC AND 1000 V DC SPRING-LOADED TERMINAL (PUSH-IN)
✓ IN STOCK!
Repair Yours
$1,067.55
TIME MARK CORP
20AB
3-PHASE-MONITORS, W/ TRIP AND RESTART DELAYS, 1X N.O. CONTACT AND 1 N.C. CONTACT, 190-480VAC, SIZE 3.91IN X 2.2IN X 2.3IN, REPLACEMENT FOR B264
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3UG4582-2AW31
INSULATION MONITORING RELAY FOR NON-GROUNDED (IT) NETWORKS UP TO 250 V AC, 15-400 HZ AND UP TO 300 V DC MEASURING RANGE 1-100 KOHM SUPPLY VOLTAGE 24-240 V AC/DC 22.5 MM, 1 CHANGEOVER CONTACT ...
✓ IN STOCK!
Repair Yours
$407.00
SIEMENS
3UG4582-1AW31
INSULATION MONITORING RELAY FOR UNGROUNDED (IT) NETWORKS UP TO 250 V AC, 15-400 HZ AND UP TO 300 V DC MEASURING RANGE 1-100 KOHM SUPPLY VOLTAGE 24-240 V AC/DC 22.5 MM, 1 CHANGEOVER CONTACT S ...
✓ IN STOCK!
Repair Yours
$362.00
OMRON
SDV-FH2 DC24
VOLTAGE SENSOR, SINGLE FUNCTION OVER/UNDER VOLTAGE DETECTION, TIMING FUNCTION NOT PROVIDED, 2 AMP, 2220 VAC, 24 VDC, LED OPERATION INDICATOR
✓ IN STOCK!
Repair Yours
$443.55
CONVERTEAM
MBCH12D1BD0752A
DISCONTINUED BY MANUFACTURER, RELAY, TRANSFORMER DIFFERENTIAL, 5 AMP / 110-125 V / 60 HZ
✓ IN STOCK!
Buy Surplus As Low As
$111.02
Repair Yours
$300.00
TRAFOX
VR-12US
DISCONTINUED BY MANUFACTURER, GROUND FAULT MONITOR, 110-120 VAC, 60 HZ, 2.5 VA
✓ IN STOCK!
Buy Surplus As Low As
$81.00
Repair Yours
$300.00
ALLEN BRADLEY
813S-E2CD50
DISCONTINUED BY MANUFACTURER, PHASE MONITOR, MONITORING RANGE 250-690 VAC, 115 VAC, 50/60 HZ, 2 VA
✓ IN STOCK!
Buy Surplus As Low As
$273.00
Repair Yours
$300.00
SIEMENS
3TX7110-5JC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 5-PIN, SQUARE BASE SPDT, 15A, 24VDC, USES SOCKET 3TX7144-4E7
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
FURNAS ELECTRIC CO
3RH1122-1BG40
DISCONTINUED BY MANUFACTURER, CONTACTOR RELAY, 2N0 + 2NC, 125VDC, SCREW TERMINAL, SIZE S00, REPLACED BY 3RH2122-1BG40
✓ IN STOCK!
Buy Surplus As Low As
$86.31
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
✓ IN STOCK!
Buy Surplus As Low As
$197.18
Repair Yours
$300.00
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
✓ IN STOCK!
Repair Yours
$300.00
PUNEET INDUSTRIAL CONTROLS
1P10S
DISCONTINUED BY MANUFACTURER, EARTH FAULT RELAY, ON DELAY TIMER, 1-5 AMP, 240 V, NO / NC
✓ IN STOCK!
Buy Surplus As Low As
$167.31
Repair Yours
$300.00
TIME MARK CORP
173-5-240
AC CURRENT MONITOR, 120/240VAC, 10A, 240MA
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3UG4614-1BR20
MONITORING RELAY 3 PHASE VOLTAGE INSULATION MONITORING 22.5MM WIDTH SCREW TERMINAL, ASM_MONITOR 3UG4614-1BR20-MONITORING_RELAYS_SCREW_TERMINAL
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3UG4633-1AL30
DIGITAL MONITORING RELAY, VOLTAGE MONITORING, 22.5 MM, 17-275 VAC/DC, OVERSHOOT AND UNDERSHOOT, SELF-POWERED, SPIKE DELAY 0.1 TO 20 S, HYSTERESIS 0.1 TO 150 V, 1 CO CONTACT, WITH OR WITHOUT ...
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7115-5NC03
PREMIUM PLUG-IN RELAY. 3PDT. 10A. 24VDC, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG 11-PIN SQUARE BASE 3PDT, 10A, 24VDC USES SOCKET 3TX7144-4E4
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7114-5LC13
PLUG-IN RELAY, 3TX SERIES, 24 VAC CONTROL VOLTAGE, 50/60 HZ, DOUBLE POLE DOUBLE THROW, 15 AMP CONTACT RATING, PREMIUM LED, MECHANICAL FLAG, 8-PIN, USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6 , 3T ...
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7114-5LC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, SQUARE BASE DPDT, 15A, 24VDC, USES SOCKET 3TX7144-1E6 OR 3TX7144-4E6
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7112-1NF13
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 11-PIN, OCTAL BASE 3PDT, 10A, 120VAC, USES SOCKET 3TX7144-1E3 OR 3TX7144-4E3 , 3TX7112-1NF13 , 3TX7112-1NF13
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7112-1LG13
PREM PLUG-IN RELAY. OCT. DPDT. 10A. 240VAC, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG 8-PIN OCTAL BASE DPDT, 10A, 230VAC USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7112-1LC03
PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG, 8-PIN, OCTAL BASE DPDT, 10A, 24VDC, USES SOCKET 3TX7144-1E2 OR 3TX7144-4E2
✓ IN STOCK!
Repair Yours
$300.00
SIEMENS
3TX7111-3PC13
PREMIUM PLUG-IN RELAY. 4PDT. 6A. 24VAC, PLUG-IN RELAY, PREMIUM LED, MECHANICAL FLAG 14-PIN SQUARE BASE 4PDT, 6A, 24VAC USES SOCKET 3TX7144-1E5 OR 3TX7144-4E5
✓ IN STOCK!
Repair Yours
$300.00
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
✓ IN STOCK!
Buy Surplus As Low As
$103.55
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!
Repair Yours
$300.00
SIEMENS
3TX7130-0DF13
OPEN PWR RELAY. DPST. 40A. 120VAC, OPEN POWER RELAY HEAVY DUTY DPDT, 40A, 120VAC OPTIONAL METAL COVER 3TX7144-1M0
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
SIEMENS
3TX7110-5BF13C
15A 24VDC RELAY, PLUG-IN RELAY, BASIC 5-PIN SQUARE BASE SPDT, 15A, 120VAC USES SOCKET 3TX7144-4E7
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
SIEMENS
3RS1800-2BW00
RELAY, SIRIUS 3RS18 SERIES, 24 - 240 VAC/DC, DPDT, 3 AMP, 750 VA, NON-LATCHING, SPRING TERMINAL , 3RS1800-2BW00
✓ IN STOCK!
Repair Yours
$300.00
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
$88.00
Repair Yours
Contact Us
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!
Repair Yours
$300.00
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
$14.42
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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 ...
✓ IN STOCK!
Repair Yours
$300.00
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!
Repair Yours
$300.00
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
✓ IN STOCK!
Buy Surplus As Low As
$95.00
Repair Yours
$300.00
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 ...
✓ IN STOCK!
Buy Surplus As Low As
$429.00
Repair Yours
$316.51
SIEMENS
3UF7103-1BA00-0
CURRENT MEASURING MODULE, SET CURRENT 20...200 A, OVERALL WIDTH 120 MM, BUSBAR CONNECTION
✓ IN STOCK!
Repair Yours
$300.00
