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
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-230-ALER
PHASE MONITOR/RELAY, PHASE SEQUENCE/LOSS MONITOR, 230V, LOCK SHAFT ADJ, SURFACE MOUNT, MANUAL RESET
✓ IN STOCK!
Repair Yours
$381.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMU-24-DSA-1
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 24 V AC/DC, 50/60 HZ, PLUG-IN ENCLOSURE, CURRENT TRIP POINTS - 0.2 ...
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMO-120-ASA-1
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMO MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC/DC, 50/60 HZ, PLUG-IN ENCLOSURE, CURRENT TRIP POINTS - 0. ...
✓ IN STOCK!
Repair Yours
$300.00
MATSUSHITA ELECTRIC
AROMAT
CB1-T-R-12V
AUTOMOTIVE RELAY, HIGH POWER, SPDT, 40 AMP, 12 V, 85C 185F
✓ IN STOCK!
Repair Yours
Contact Us
ASEA BROWN BOVERI
1963190
ABB, 1963190, SV VOLTAGE RELAY, 120VAC, 60HZ, SETTINGS 70-150
✓ IN STOCK!
Repair Yours
$300.00
ALLEN BRADLEY
809-B20E
809-B20E, 809B20E, INSTANTANEOUS TRIP CURRENT RELAY, 130AMP
✓ IN STOCK!
Buy Surplus As Low As
$1,201.82
Repair Yours
$1,007.58
DOLD
BA 9043/001 3AC 50/60HZ 400V
RELAY, VOLTAGE SENSING, DPDT, 400VAC; PRODUCT RANGE:BA 9043 SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:3A; RELAY MOUNTING:DIN RAIL; CONTACT VOLTAGE VAC:230VAC; RELAY TERMINALS:SCREW ...
✓ IN STOCK!
Repair Yours
$300.00
ALLEN BRADLEY
1420-V2-ENT
POWER MONITOR 500, 600 VAC, ELECTRIC POWER INDICATOR, 600 VAC, ETHERNET/IP COMMUNICATION
✓ IN STOCK!
Buy Surplus As Low As
$1,198.00
Repair Yours
$902.00
EATON CORPORATION
CUTLER HAMMER
15BA4-25E
BA-400/800, 15.5 MAX KV, 25E, EXPULSION , 15BA4-25E
✓ IN STOCK!
Repair Yours
$340.00
EATON CORPORATION
CUTLER HAMMER
9253C03H06
GROUND FAULT TRANSMITTER, 800,1AMP, 600VAC, 60HZ
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
RK 411 102-DE
OVER/UNDER VOLTAGE RELAY, 80-240 V, 50/60 HZ, AUXILIARY VOLTAGE: 110-125 AND 220-250 VDC, RXEG 21 SERIES
✓ IN STOCK!
Buy Surplus As Low As
$1,230.00
Repair Yours
$1,050.00
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)
✓ IN STOCK!
Buy Surplus As Low As
$90.00
SIEMENS
3RH11222JC40
CONTROL RELAY. 2NO+2NC
✓ IN STOCK!
Buy Surplus As Low As
$162.00
Repair Yours
$300.00
TIME MARK CORP
272-24
CURRENT-MONITORS, 3-PHASE CURRENT UNBALANCE DETECTOR, 1 - 5A, 24VAC, SIZE 6.06IN X 3.88IN X 2.7IN
✓ IN STOCK!
Repair Yours
$300.00
TIME MARK CORP
C2642
MONITOR RELAY, 3 PHASE, 480 VAC, 4.8IN X 4.5IN X 3.5IN SIZE, DPDT, SURFACE MOUNT, TRIP DELAY, NO TRIP RESTART, AUTOMATIC RESET
✓ IN STOCK!
Repair Yours
$300.00
TIME MARK CORP
2601-28VDC
VOLTAGE FREQUENCY-MONITORS, UNDER-VOLTAGE MONITOR, 24VDC, SIZE 3.52IN X 2.44IN X 1.75IN
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
CM-MPS.41P
VOLTAGE MONITORING RELAY, CM-MPS SERIES, 3 PHASE, 300-500 VAC, 45-65 HZ, DPDT, TIME DELAY: 0.1-30 S, DIN-RAIL MOUNT, (1SVR740884R3300) , 1SVR740884R3300
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
1SVR730831R0400
VOLTAGE MONITORING RELAY, SPDT, 1 PHASE, 4 AMP, 2 C/O, 110-130 VAC, 10 MA, 8 MM STRIPPING LENGTH, SCREW TYPE TERMINALS, DIN RAIL MOUNT, -20 TO +60 DEGREES C, IP20/50
✓ IN STOCK!
Repair Yours
$300.00
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)
✓ IN STOCK!
Repair Yours
$200.00
ASEA BROWN BOVERI
ABB ROBOTICS
1SVR730840R0600
(PRICE/EA) CM-SRS.M1S CURRENT MON. RELAY , 1SVR730840R0600
✓ IN STOCK!
Repair Yours
$300.00
GRACE
GRACE ENGINEERED PRODUCTS
R-1A003
CHEKVOLT INTERFACES, SINGLE-POINT, SINGLE PHASE, INSTALLS IN A 1/2 HOLE, POLYCARBONATE CONSTRUCTION, UV OUTDOOR RATED SO YOU CAN MOUNT IT ANYWHERE, INTEGRAL 6 LEAD WIRE, UL TYPE 4, 4X, 12 RA ...
✓ IN STOCK!
Repair Yours
$300.00
ASEA BROWN BOVERI
JOKAB SAFETY
JSBT3-115VAC
DISCONTINUED BY MANUFACTURER, SAFTEY RELAY 115VAC
✓ IN STOCK!
Buy Surplus As Low As
$127.71
Repair Yours
$300.00
CARLO GAVAZZI
SM125230500
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 230 VAC SUPPLY, 50-500 VAC/DC MEASURING RANGE, LED INDICATION
✓ IN STOCK!
Buy Surplus As Low As
$122.21
Repair Yours
$300.00
WESTINGHOUSE
BE1-51-K1E-Z1O-A1N0F
RELAY ELECTRIC GROUND FAULT OVERVOLTAGE PROTECTIVE
✓ IN STOCK!
Repair Yours
$300.00
BOLTSWITCH INC
PND-208
DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, LCD DISPLAY, 208 V, 3-PHASE, 30A CONTACT RATING, FIXED TIME DELAY: 1-1/2 SECONDS, 24VDC COIL
✓ IN STOCK!
Buy Surplus As Low As
$114.70
Repair Yours
$300.00
DEIF
RMV-112D-DELTA-400VAC-NEL+NEL-24VDC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 230/400V, MODULE: 400V, SUPPLY: 24 VDC, RELAY B: NOR. ENERGIZED + LATCH, RELAY C: NORM. ENERGIZED + LATCH, UNDERVOLTAG ...
✓ IN STOCK!
Repair Yours
$435.00
GENERAL ELECTRIC
CR120YC11BA31C
DISCONTINUED BY MANUFACTURER, UNDERVOLTAGE RELAY, 1 PHASE, 208V, 60HZ, 10 A, 600 V MAX
✓ IN STOCK!
Buy Surplus As Low As
$192.46
Repair Yours
$200.00
BASLER ELECTRIC
BE1-59-A4E-E1K-B1S3F
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, INTERNALLY OPERATED, 1 PHASE, INPUT 110-320VAC PICKUP, OUTPUT 1NO RELAY, DEFINITE TIMING, SUPPLY 48VDC, TARGET CURRENT OPERATED, INSTANTANEO ...
✓ IN STOCK!
Buy Surplus As Low As
$708.59
Repair Yours
$588.13
MATSUSHITA ELECTRIC
AROMAT
LT48T-24-240V
DIGITAL QUARTZ TIMER, 24-240 V AC/DC, 100 MA MAX, 8 PIN
✓ IN STOCK!
Repair Yours
$300.00
HONEYWELL
R8154C1000
DISCONTINUED BY MANUFACTURER, ELECTRIC HEAT RELAY, THREE SWITCHES, 24 V, 60 CY, QUICK CONNECT TERMINAL (LOAD SIDE), LUG CONNECTION (LINE SIDE)
✓ IN STOCK!
Buy Surplus As Low As
$123.87
Repair Yours
$300.00
CONVERTEAM
ALSTOM
KBCH14001H15MEJ
DISCONTINUED BY MANUFACTURER, RELAY / DIFFERENTIAL PROTECTION, MODEL KBCH140, ALARM / TRIP, PROGRAMMABLE / 8 AUXILIARY, 5 AMP, 48/250 / 100/120 V, 50/60 HZ, FOR TRANSFORMERS AND GENERATORS
✓ IN STOCK!
Buy Surplus As Low As
$824.25
Repair Yours
$811.87
CEE
ITV 7366
RELAY / VOLTAGE RESTRAINED OVERCURRENT, 7000 SERIES, (VERY INVERSE IDMT), LED INDICATORS, (2) 3 PHASE OVERCURRENT UNITS, VOLTAGE RESTRAINED OVERCURRENT / 51 V, 1-5 AMP, 100 / 110 / 120 / 380 ...
✓ IN STOCK!
Repair Yours
$795.21
SCHWEITZER ENGINEERING
SEL321-321124256HNB554
PHASE AND GROUND DISTANCE RELAY, DIRECTIONAL OVERCURRENT RELAY, SEL-321, FAULT LOCATOR, 125 VDC LOGIC INPUT, 5 AMP, 25W MAX, 85-264 VAC / 85-350 VDC POWER SUPPLY, 50/60 HZ, ABC ROTATION
✓ IN STOCK!
Repair Yours
$1,805.35
ASEA BROWN BOVERI
ABB ROBOTICS
SPAJ 135 C-AA
DISCONTINUED BY MANUFACTURER, COMBINED OVERCURRENT AND EARTH-FAULT RELAY, 80...265 VAC, 50/60 HZ, SCREW TERMINAL
✓ IN STOCK!
Buy Surplus As Low As
$1,064.00
Repair Yours
$600.00
DEIF
RMF-112D-440VAC-60HZ-ND+ND-440VAC
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, TYPE RMF-112D, 440VAC, 60HZ, RELAY B NORM. DEENERGIZED, RELAY C NORM. DEENERGIZED, UNDERFREQUENCY 90-100%, OVERFREQUENCY 100-110%, 0-10S
✓ IN STOCK!
Buy Surplus As Low As
$334.60
Repair Yours
$324.81
WESTINGHOUSE
1956071
DISCONTINUED BY MANUFACTURER, RELAY, 0.50/1 AMP, 60 HZ
✓ IN STOCK!
Buy Surplus As Low As
$274.56
Repair Yours
$227.89
CONVERTEAM
ALSTOM
LFZP111S10016E
DISCONTINUED BY MANUFACTURER, STATIC DISTANCE PROTECTION, RELAY, OPTIMHO, V X (1), 110-125 V
✓ IN STOCK!
Buy Surplus As Low As
$1,059.03
Repair Yours
$976.66
GENERAL ELECTRIC
12IAC77B63A
DISCONTINUED BY MANUFACTURER, TIME OVERCURRENT RELAY, TYPE IAC, 40A
✓ IN STOCK!
Buy Surplus As Low As
$503.88
Repair Yours
$464.69
ASEA BROWN BOVERI
587R0428-61114
DISCONTINUED BY MANUFACTURER, RELAY / DISTRIBUTION PROTECTION SYSTEM, INDUSTRIAL CONTROL EQUIPMENT, TYPE / DPU 2000R, PHASE / 0.4-12 AMP, GROUND / 0.4-12 AMP, 60 HZ, 1-12 AMP, 70-280 VDC
✓ IN STOCK!
Buy Surplus As Low As
$409.41
Repair Yours
$377.57
GENERAL ELECTRIC
12CJCG16M1A
DISCONTINUED BY MANUFACTURER, OVERCURRENT RELAY, CJCG TYPE, GROUND DIRECTIONAL, 1.9 AMP, .6/2 TARGET SEAL IN AMP, 0.5-4.0 PICK UP AMP, 120 V, 60 CYCLE
✓ IN STOCK!
Buy Surplus As Low As
$892.83
Repair Yours
$741.05
TOSHIBA
RC81C
DISCONTINUED BY MANUFACTURER, PHASE REVERSAL GROUND FAULT MODULE, OPERATING TIME WITHIN 0.5 SEC, 2-12A RATED CURRENT
✓ IN STOCK!
Buy Surplus As Low As
$35.99
Repair Yours
$300.00
