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.
Filter Results
WESTINGHOUSE
293B285A11
DISCONTINUED BY MANUFACTURER, RELAY, SYNCHRO-VERIFIED, TYPE CVE, 120 V, 60 HZ
✓ IN STOCK!
Buy Surplus As Low As
$718.03
Repair Yours
$482.73
ASEA BROWN BOVERI
289B423A11
DISCONTINUED BY MANUFACTURER, RELAY, DIRECTIONAL OVERCURRENT, CR-2 TYPE, 4-12 AMP-OVERCURRENT UNIT / 0.2-2 AMP-INDICATOR, 120 V
✓ IN STOCK!
Buy Surplus As Low As
$1,874.87
Repair Yours
$1,685.23
ASEA BROWN BOVERI
443T2341
DISCONTINUED BY MANUFACTURER, RELAY, TIME OVERCURRENT, CIRCUIT SHEILD, 51Y TYPE, 125 VDC, 4-12 AMP TOC, 2-20 AMP IOC
✓ IN STOCK!
Buy Surplus As Low As
$2,110.01
Repair Yours
$1,945.90
CR MAGNETICS
CR4395-EH-24D-0.04-X-T-FP
DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, LOAD: NPN SINKING, 100MA MAX
✓ IN STOCK!
Buy Surplus As Low As
$97.00
CR MAGNETICS
CR4395-EH-24D-.04-X-FP-T PNP
DISCONTINUED BY MANUFACTURER, SUPPLY: 24+/-10%VDC, TRIP POINT: 0.04AMPS, ENERGIZE: HI CURRENT (EH), LOAD: PNP - SOURCING, 100MA MAX
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Buy Surplus As Low As
$80.32
DEIF
RMV-112D-DELTA-440VAC-ND+ND-440VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, 440VAC, NORM. DEENERGIZED, UNDERVOLTAGE 80 TO 100%, OVERVOLTAGE 100 TO 120%, 0 TO 10S
✓ IN STOCK!
Repair Yours
$271.74
DEIF
RMV-112D-DELTA-415VAC-ND+ND-24VDC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 415/240V, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
Repair Yours
$290.98
DEIF
RMV-112D-STAR-240VAC-NE+NE-24VDC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: STAR, MEASURING VOLTAGE: 415/240VAC, MODULE: 240V, SUPPLY: 24VDC, RELAY B: NORM. ENERGIZED, RELAY C: NORM. ENERGIZED, UNDERVOLTAGE: 80-100%, OVE ...
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Repair Yours
$405.83
DEIF
RMV-112D-DELTA-415VAC-NDL+NDL-24VDC
VOLTAGE RELAY, UNI-LINE, TYPE RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 240/415VAC, MODULE: 415V, SUPPLY: 24VDC, RELAY B: NORM. DEENERGIZED W/LATCH, RELAY C: NORM. DEENERGIZED W/LATCH
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Repair Yours
$291.14
V INFINITY
PTK25-D48-S12-T
DISCONTINUED BY MANUFACTURER, VOLTAGE CONVERTER, DC-DC, AC-DC, SCREW CLAMP TERMINALS, 48 V INPUT @ 0.85 AMP, 12 V OUTPUT @ 2 AMP
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Buy Surplus As Low As
$37.30
DEIF
RMF-112D-110VAC-60HZ-ND-ND-110VDC
DISCONTINUED BY MANUFACTURER, FREQUENCY RELAY, UNI-LINE, TYPE: RMF-112D, MEAS VOLTAGE: 110V, MODULE: 110V, 60HZ, SUPPLY: 110VDC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDER ...
✓ IN STOCK!
Buy Surplus As Low As
$170.06
Repair Yours
$200.00
CR MAGNETICS
CR4395-EH-120-110-A-CD
DISCONTINUED BY MANUFACTURER, CURRENT SENSING RELAY, TIME DELAY: .5-6SEC, TRIP RANGE: 1-10ACA, SUPPLY: 120 +/-10% VAC
✓ IN STOCK!
Buy Surplus As Low As
$144.36
ASCO
214B69-480VAC
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 480 VAC, 50/60 HZ, 456V PICK UP, 408V DROP OUT
✓ IN STOCK!
Buy Surplus As Low As
$436.49
Repair Yours
$402.54
ASCO
214B69-120VAC
DISCONTINUED BY MANUFACTURER, UNDER VOLTAGE MONITOR, 120 V AC, 50/60 HZ, 114 V PICK UP, 102 V DROP OUT
✓ IN STOCK!
Buy Surplus As Low As
$92.75
Repair Yours
$300.00
EATON CORPORATION
CUTLER HAMMER
D64RB9
DISCONTINUED BY MANUFACTURER, RELAY, GROUND FAULT PROTECTION, 8 AMP, 24-250 VAC/DC, TEST / RESET, W/ TRIP
✓ IN STOCK!
Buy Surplus As Low As
$428.57
Repair Yours
$300.93
WESTINGHOUSE
1875510
DISCONTINUED BY MANUFACTURER, OVER VOLTAGE RELAY, TYPE CV-4, VOLTAGE UNIT, 0.2/2 AMP, 120V AC, 60 HZ
✓ IN STOCK!
Buy Surplus As Low As
$211.81
Repair Yours
$200.00
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
DEIF
RMV-112D-DELTA-450VAC-ND+ND-450VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 450/260V, MODULE: 450V, SUPPLY: 450 VAC, RELAY B: NOR. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
Repair Yours
$271.74
DEIF
RMV-112D-DELTA-220VAC-ND+ND-220VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 220/127V, MODULE: 220V, SUPPLY: 220VAC, RELAY B: NORM. DEENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, ...
✓ IN STOCK!
Repair Yours
$300.00
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
$352.21
Repair Yours
$324.81
DEIF
RMV-112D-DELTA-440VAC-NE+ND-440VAC
PROTECTIVE VOLTAGE RELAY, RMV-112D, COUPLING: DELTA, MEASURING VOLTAGE: 440/254V, MODULE: 440V, SUPPLY: 440VAC, RELAY B: NOR. ENERGIZED, RELAY C: NORM. DEENERGIZED, UNDERVOLTAGE: 80-100%, OV ...
✓ IN STOCK!
Repair Yours
$300.00
DEIF
RMC-142D-1A-ND-ND-1S-20S-24VDC
DISCONTINUED BY MANUFACTURER, STATOR EARTH FAULT RELAY, TYPE: RMC-142D, ORDER NO: 400022308.10, MEAS CURRENT: 1A, MODULE: 1A, SCALE: 1, SUPPLY: 24VDC, T1: 1S, T2: 20S, RELAY B: NORM. DEENERG ...
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Buy Surplus As Low As
$246.28
Repair Yours
$300.00
TELE CONTROLS
E1PF480Y/277VSY01
PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
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Repair Yours
Contact Us
SCHWEITZER ENGINEERING
SEL-251-251000-4556UHGB
DISCONTINUED BY MANUFACTURER, DISTRIBUTION RELAY, SEL-251, PHASE OVERCURRENT RELAY, VOLTAGE CONTROL, GROUND OVERCURRENT, FAULT LOCATOR, SELOGIC CONTROL INPUT / 125 VDC, POWER SUPPLY / 15 W M ...
✓ IN STOCK!
Buy Surplus As Low As
$118.97
Repair Yours
$200.00
SCHWEITZER ENGINEERING
SEL-311B-0311B00H23254X1
PROTECTION AND AUTOMATION SYSTEM, SEL-311B, 120VAC, 50/60HZ, 25WATT
✓ IN STOCK!
Repair Yours
$1,140.22
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
$3,534.43
Repair Yours
$2,963.66
DOLD
IK9173.11/030 DC24V 0,7-1,0UN4%
UNDERVOLTAGE RELAY, 1 PHASE, NOMINAL VOLTAGE: 24 VDC, TIME DELAY: 0.5-20 S, RESPONSE VALUE: 0.7 - 1 UN 4%
✓ IN STOCK!
Repair Yours
$405.83
2N
9159010
DISCONTINUED BY MANUFACTURER, SECURITY RELAY, 30 VAC/DC, 1 AMP, 12 V OUTPUT 700 MAMP OUTPUT DC, PASSIVE SWITCH, NO/NC CONTACT FORM
✓ IN STOCK!
Buy Surplus As Low As
$157.97
Repair Yours
$300.00
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
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
TIME MARK CORP
A257B-400HZ
3-PHASE-MONITORS,480VAC, SIZE 3.52IN X 2.44IN X 1.75IN
✓ IN STOCK!
Repair Yours
Contact Us
MARSH BELLOFRAM
ATC DIVERSIFIED ELECTRONICS
UOA-0313-DLA
DISCONTINUED BY MANUFACTURER, SINGLE PHASE UNDER VOLTAGE MONITOR, UOA SERIES, UOA-0313, STYLE A, 5-10 VDC SUPPLY VOLTAGE, SENSING VOLTAGE: 50 TO 50 VDC, SUPPLY VOLTAGE: 120 VAC, CONTACTS: 10 ...
✓ IN STOCK!
Buy Surplus As Low As
$73.61
Repair Yours
$300.00
SIEMENS
3UG5514-1BR20
ANALOG ADJUSTMENT MONITORING RELAY, PHASE FAILURE, PHASE SEQUENCE, ASYMMETRY AND UNDER-VOLTAGE MONITORING 3X 160-690 V AC, 15-70 HZ 2 CHANGEOVER CONTACTS SCREW TERMINAL
✓ IN STOCK!
Repair Yours
$200.00
DEIF
TAS-331DG 2W3 -200-0-1500KW/440V(L-L) 3000A/5A -333-0-2500W 4-20MA -24-24MA 500OHM 24VDC
DISCONTINUED BY MANUFACTURER, SELECTABLE AC-TRANSDUCER, TYPE: TAS-331DG, ORDER NO: 100018271.10, COUPLING: 2W3, RANGE: -200-0-1500KW, RATIO VT: 440V(L-L), RATIO CT: 3000A/5A, INPUT: -333-0-2 ...
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Buy Surplus As Low As
$153.53
Repair Yours
$200.00
DEIF
RMP121D
DISCONTINUED BY MANUFACTURER, REVERSE POWER RELAY, TYPE: RMP-121D, MEAS VOLTAGE: 110 VAC, MEAS POWER: 537W, SUPPLY: 110 VAC, COUPLING: 1W3, MODULE: 63.3V, MODULE: 3A, SCALE: 0.94, INVERSE TI ...
✓ IN STOCK!
Buy Surplus As Low As
$139.20
Repair Yours
$300.00
TELE CONTROLS
E1IM10AACL10 230V AC
CURRENT MONITORING RELAY, 1-PH, 10A AC, MULTIFUNCTION, 1 CO, SPDT, LED INDICATORS, 230V AC SUPPLY VOLTAGE
✓ IN STOCK!
Repair Yours
$300.00
TELE CONTROLS
G2IO5A20-W1+TR2 230V
CURRENT MONITORING RELAY, OVERLOAD, 1 PHASE, 5A AC/DC RANGE, OVER CURRENT, 2 CO, DPDT, RAPID DETECTION, LED INDICATORS, BUILT IN 230 VAC TR2 MODULE
✓ IN STOCK!
Repair Yours
$200.00
TELE CONTROLS
G2TF02 24-240VAC/DC
PTC MOTOR MONITORING RELAY, TEMPERATURE MONITORING, LED INDICATORS, 2 CO, DPDT RELAY OUTPUT, 24-240V AC/DC SUPPLY
✓ IN STOCK!
Repair Yours
$300.00
TELE CONTROLS
V2PF480Y/277VSY01
PHASE LOSS MONITOR, PHASE BALANCE, PHASE ROTATION, PHASE SEQUENCE 3-PH, 208-380V AC, 1 CO, SPDT RELAY OUTPUT, LED INDICATORS, ADJUSTABLE PHASE BALANCE
✓ IN STOCK!
Repair Yours
$300.00
SCHWEITZER ENGINEERING
SEL-251D-251D00-4356UHGB
DISCONTINUED BY MANUFACTURER, DISTRIBUTION RELAY, SEL-251D, PHASE OVERCURRENT RELAY W/ VOLTAGE CONTROL, GROUND OVERCURRENT, FAULT LOCATOR, SELOGIC CONTROL INPUT / 125 VD, POWER SUPPLY / 15 W ...
✓ IN STOCK!
Buy Surplus As Low As
$702.95
Repair Yours
$583.45
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 ...
✓ IN STOCK!
Buy Surplus As Low As
$2,387.72
Repair Yours
$1,981.81
SIEMENS
3UG5616-1CR20
DIGITALLY ADJUSTABLE MONITORING RELAY PHASE FAILURE, PHASE SEQUENCE, ASYMMETRY, FREQUENCY, OVER- AND UNDER-VOLTAGE MONITORING 3X 90-690 V AC, 15-70 HZ 2 CHANGEOVER CONTACTS SCREW TERMINAL
✓ IN STOCK!
Repair Yours
$200.00
LITTELFUSE
460-575
PHASE RELAY, SPDT, 475-600V, DIN RAIL, 460 SERIES, CONTACT CONFIGURATION:SPDT, CONTACT CURRENT:10A, RELAY MOUNTING:DIN RAIL, PANEL, RELAY TERMINALS:SCREW, SWITCHING VOLTAGE MAX:240VAC, SUPPL ...
✓ IN STOCK!
Repair Yours
$300.00
SCHWEITZER ENGINEERING
SEL-551-0551003X532X
DISCONTINUED BY MANUFACTURER, OVERCURRENT PROTECTIVE RELAY, SEL-551, 85-140 VAC, 36-200 VDC, 5.5W MAXIMUM, 125 VDC LOGIC INPUT, EIA-45 SERIAL PORT
✓ IN STOCK!
Buy Surplus As Low As
$594.75
Repair Yours
$580.76
SAMWHA
PMR-220N7
DISCONTINUED BY MANUFACTURER, VOLTAGE MONITORING RELAY, DIN-RAIL, 160-300 VAC, 1 SPDT, 50/60 HZ, 220 VAC SUPPLY
✓ IN STOCK!
Buy Surplus As Low As
$86.61
Repair Yours
$300.00
CROUZET
SYRELEC
DWRA2230A
DISCONTINUED BY MANUFACTURER, PHASE MONITORING RELAY, WRA2 SERIES, 3 PHASE, 10 AMP, 230 VAC, 50/60 HZ, DIN RAIL MOUNT
✓ IN STOCK!
Buy Surplus As Low As
$190.00
Repair Yours
$300.00
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
$371.00
