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
CMI-120-ASE-5
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMI MODEL, OUTPUT - 10 AMPS @ 120 V AC - RESISTIVE, DPDT, CONTROL VOLTAGE - 120 V AC, 50/60 HZ, CURRENT TRIP POINTS - 1-5 AMP
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMG-0100-28
CURRENT MONITORING RELAY, CMG SERIES, 240 V AC, SPST - N.O., 5 AMP, QC TABS, PANEL MOUNT, CURRENT TRIP POINT - 28 AMPS
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMD-120-ASE-20
CURRENT MONITOR RELAYS, UNIVERSAL, AC, CMD MODEL, 120 V AC, 50/60 HZ, CURRENT TRIP POINTS - 4-20 AMP ADJ. / MAX - 20 AMP, DPDT, AUTOMATIC RESET
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
AC-2020
COMPRESSOR PROTECTOR, 3 PHASE MONITOR
✓ IN STOCK!
Repair Yours
$300.00
TELE CONTROLS
G2UM300VL20
VOLTAGE PROTECTION MONITORING RELAY, 1-PH, 30V - 60V - 300V AC/DC RANGES, MULTIFUNCTION, 2 CO, DPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE THRESHOLDS, POWER SUPPLY PROTECTOR, IDEAL FOR BAT ...
✓ IN STOCK!
Repair Yours
$300.00
BENDER
RCM465Y-13
DISCONTINUED BY MANUFACTURER,GROUND FAULT RELAY, 30-300MA ,RESPONSE 0-1S, 90-132V
✓ IN STOCK!
Buy Surplus As Low As
$536.79
Repair Yours
$424.00
TE CONNECTIVITY
CROMPTON INSTRUMENTS
252-PVRU-PQBX-C6
PHASE LOSS RELAY, 5 AMP, 120 VAC, 60 HZ, DIN RAIL MOUNT
✓ IN STOCK!
Repair Yours
$300.00
FW MURPHY
UVR505
DISCONTINUED BY MANUFACTURER, RELAY UNDER VOLTAGE, FRONT STATUS LEDS, 12 PORTS
✓ IN STOCK!
Buy Surplus As Low As
$311.00
Repair Yours
$300.00
SCHNEIDER ELECTRIC
TELEMECANIQUE
RM4TR32
DISCONTINUED BY MANUFACTURER, PHASE FAILURE RELAY, 300V, 5A, RM4,50/60HZ, REPLACED BY RM22TR33
✓ IN STOCK!
Buy Surplus As Low As
$358.18
SCHNEIDER ELECTRIC
SQUARE D
GC-200D
DISCONTINUED BY MANUFACTURER, GROUND FAULT RELAY, 120 VAC, 24 VDC, DIN RAIL MOUNT, 5A/10A TRIP ALARM
✓ IN STOCK!
Buy Surplus As Low As
$1,505.11
Repair Yours
$1,249.24
SCHNEIDER ELECTRIC
SQUARE D
56327
CURRENT PROTECTION RELAY, VIGIREX RH10M, 1 AMP, 120 VAC, DIN RIAL MOUNT
✓ IN STOCK!
Repair Yours
$811.67
BENDER
B91067010
INSULATION MONITORING DEVICE, INTEGRATED DISPLAY, NOMINAL SYSTEM VOLTAGE RANGE: 0-690 VAC (1-460 HZ) / 0-1000 VDC, SUPPLY: 24-240 VAC (50-400 HZ) / 24-240 VDC, (ISO685-D)
✓ IN STOCK!
Repair Yours
$2,430.00
ASEA BROWN BOVERI
202T3004-UL
DISCONTINUED BY MANUFACTURER, MONITOR, GROUND FAULT, 24/32VDC
✓ IN STOCK!
Buy Surplus As Low As
$138.53
Repair Yours
$300.00
SIEMENS
FURNAS ELECTRIC CO
947PB10AG
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITOR 240VAC 200-235V TRIP RANGE
✓ IN STOCK!
Buy Surplus As Low As
$93.50
GENERAL ELECTRIC
12IFC53A1A
DISCONTINUED BY MANUFACTURER, INVERSE TIME OVERCURRENT RELAY, IFC TYPE, NON-DIRECTIONAL SINGLE-PHASE, 50/60HZ RATING, 14 INPUT POINTS, TIME RELAY TEST BUTTON
✓ IN STOCK!
Buy Surplus As Low As
$357.61
Repair Yours
$300.00
NORTONICS FOXTAM LIMITED
FOXTAM CONTROLS
YWRUP-S-400V-3W
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, 10AMP, 400V, 3W
✓ IN STOCK!
Buy Surplus As Low As
$108.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-120-ALA
VOLTAGE MONITORING RELAY, UOA SERIES, 97-130 VAC DROP-OUT, 102-135 VAC PICK-UP, 5 V HYSTERESIS, DPDT, LOCKNUT, 8-PIN OCTAL
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-110-DLA
VOLTAGE MONITORING RELAY, UOA SERIES, 92-125 VDC DROP-OUT, 97-130 VDC PICK-UP, 5 V HYSTERESIS, LOCKNUT ADJUSTMENT
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SUA-440-ASA
MONITORING RELAY, OPERATING VOLTAGE 430-480 ADJUSTABLE, 10 AMPS, ADJUSTMENT SCREW, OUTPUT RESISTIVE @ 240 VAC, 8 PIN OCTAL, SUA SERIES
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-480-ALE
PHASE VOLTAGE MONITOR,3 PHASE, 480 VAC, DPDT OUTPUT RELAY
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
PBC-120/208-ALE
PHASE VOLTAGE MONITORS, WYE, ADJUSTABLE 3 PHASE-VOLTAGE MONITOR
✓ IN STOCK!
Repair Yours
$339.00
CONVERTEAM
ALSTOM
MVAJ13D1GB0780A
DISCONTINUED BY MANUFACTURER, TRIPPING AND CONTROL RELAYS, AC/DC OPERATION, LOW BURDEN, CONTACT MECHANISM: HR, CUTT-OFF: INSTANTANEOUS
✓ IN STOCK!
Buy Surplus As Low As
$600.00
Repair Yours
$498.00
R-K ELECTRONICS
PRSL-300-1.5
PHASE REVERSAL RELAY ONLY, 380 TO 415VAC 3Ø, 50/60 HZ, DPDT 240VAC CONTACTS, 1.5 SECOND TRIP TIME, SCREW TERMINALS, SURFACE MOUNTING
✓ IN STOCK!
Repair Yours
$300.00
R-K ELECTRONICS
PRSL-400-1.5
PHASE REVERSAL RELAY ONLY, 440 TO 480VAC 3Ø, 50/60 HZ, DPDT 240VAC CONTACTS, 1.5 SECOND TRIP TIME, SCREW TERMINALS, SURFACE MOUNTING
✓ IN STOCK!
Repair Yours
$300.00
R-K ELECTRONICS
TVM-400-20-0002
UNDER & OVER VOLTAGE 3 PHASE VOLTAGE MONITOR, UNDERVOLTAGE - OVER VOLTAGE - PHASE LOSS - PHASE ROTATION, ADJUSTABLE 410 TO 490VAC 3Ø, 10PCT, 2 SECOND PICK-UP & DROP-OUT DELAY, 8-PIN BASE, SO ...
✓ IN STOCK!
Repair Yours
$300.00
ALLEN BRADLEY
810-A00A
DISCONTINUED BY MANUFACTURER, RELAY, TIME CURRENT, 1 AMP, OPEN STYLE
✓ IN STOCK!
Buy Surplus As Low As
$1,151.57
Repair Yours
$1,006.11
GENERAL ELECTRIC
12PJC11AV1A
DISCONTINUED BY MANUFACTURER, INSTANTANEOUS CURRENT RELAY, 1.5 AMP, DC/25/60 CY, TYPE PJC
✓ IN STOCK!
Buy Surplus As Low As
$251.98
Repair Yours
$300.00
GENERAL ELECTRIC
12IAC53A801A
DISCONTINUED BY MANUFACTURER, RELAY TIME OVERCURRENT, .5-4AMP, 50/60CYCLES
✓ IN STOCK!
Buy Surplus As Low As
$629.58
Repair Yours
$577.95
SIEMENS
FURNAS ELECTRIC CO
3RR2241-1FW30
MONITORING RELAY, 3 PHASE, 1 CHANGE-OVER CONTACT, 1 SEMICONDUCTOR OUTPUT, 1.6-16 AMP, 24-240 VAC/DC, 20-400 HZ, NOISE PULSE SUPPRESSION 0-30 S, PAUSE AFTER FAULT 0-300 MIN, SCREW CONNECTION ...
✓ IN STOCK!
Repair Yours
$309.00
ASEA BROWN BOVERI
SPAS-120-C
DISCONTINUED BY MANUFACTURER, DIRECTIONAL EARTH-FAULT RELAY, 80-265V AC/DC
✓ IN STOCK!
Buy Surplus As Low As
$3,210.00
Repair Yours
$2,700.00
ICM
ICM491
DISCONTINUED BY MANUFACTURER, LINE MONITOR, SINGLE PHASE, 95/270 VAC, SPDT
✓ IN STOCK!
Buy Surplus As Low As
$600.00
SIEMENS
5TT3408
VOLTAGE RELAY, N-TYPE, 230/400V, 2CO, WITH TRANSPARENT CAP, SCREW TERMINALS, DIN RAIL MOUNTABLE
✓ IN STOCK!
Repair Yours
$1,092.00
WESTINGHOUSE
1875289A
DISCONTINUED BY MANUFACTURER, C09-C511BA1, RELAY, OVERCURRENT, RELAY, OVERCURRENT, 4-12AMP ,TYPE CO-9
✓ IN STOCK!
Buy Surplus As Low As
$514.03
Repair Yours
$474.10
MACROMATIC
PMDU
PHASE MONITOR RELAY, 3-PHASE MONITOR RELAY, 190-500 VAC, DIN RAIL, 10 AMP DPDT RELAYS, PHASE LOSS, REVERSAL - FIXED, UNBALANCE, OVER/UNDER VOLTAGE - ADJUSTABLE
✓ IN STOCK!
Repair Yours
$200.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLD-440-ASA
PHASE VOLTAGE MONITOR, SLD SERIES, 440/480 VAC, 370-460 V UNDERVOLTAGE DROPOUT RANGE, 3 VA, 10 VA, 8 PIN
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLB-400-ALEA
PHASE UNBALANCE & LOSS & PHASE SEQUENCE MONITOR/RELAY, LED STATUS INDICATOR, 3.25 IN X 4 IN X 3 IN, MOUNTING:SURFACE, OUTPUT RELAY:SPDT
✓ IN STOCK!
Buy Surplus As Low As
$157.57
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-230-ALA
PHASE MONITOR RELAY, DPDT, 10A, 240VAC; PRODUCT RANGE:SLA SERIES; CONTACT CONFIGURATION:DPDT; CONTACT CURRENT:10A; RELAY MOUNTING:SOCKET; RELAY TERMINALS:PLUG IN; SWITCHING VOLTAGE MAX:240VA ...
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
SLA-120-ASA
PHASE MONITOR/RELAY, 3-PHASE, 95-130V ADJ., 10A, PLUG-IN, SLA SERIES, 120VAC, SPDT (1 FORM C)
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMB-120-AFA-10
CURRENT MONITORING RELAY, CMB SERIES, AC GO/NO-GO, 120 V AC, 50/60 HZ, 10 AMPS, SINGLE POLE DOUBLE THROW, 8-PIN OCTAL TERMINATION
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CDD-120-ALE-20
UNIVERSAL DC CURRENT MONITOR RELAY,
✓ IN STOCK!
Repair Yours
$300.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMU-120-ASA-1
OVERCURRENT MONITOR RELAY, AC, W/ MANUAL RESET, CMU MODEL, 10 AMPS RES @ 120 V AC OUTPUT, DPDT, 120 V AC/DC CONTROL, 50/60 HZ, CURRENT TRIP POINTS - 1-5 AMP, 11-PIN, PLUG-IN MOUNT
✓ IN STOCK!
Repair Yours
$200.00
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
CMO-120-ASE-5
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, SURFACE MOUNT ENCLOSURE, CURRENT TRIP POINT ...
✓ IN STOCK!
Repair Yours
$300.00
