Digi-Key Electronics Datasheets for Protective Relays and Monitoring Relays
Protective relays and monitoring relays detect or monitor for abnormal power system conditions.
Protective Relays and Monitoring Relays: Learn more
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Product Name | Notes |
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1-PHASE OVERLOAD RELAY/ 100-24 | |
1-PHASE OVERLOAD RELAY/ 380-48 | |
1-PHASE POWER MONITOR/ 100-240 | |
255-6X=WILMAR OVER/UNDERVOLTAG | |
3-PHASE OLR/200-480V/2-800FLA+ | |
3-PHASE OVERLOAD RELAY/200-480 | |
3-PHASE POWER MONITOR/190-480V | |
3-PHASE POWER MONITOR/200-480V | |
301-38X=WILMAR OVERVOLTAGE 208 | |
3PH MONITORING RELAY 240V | |
3PH MONITORING RELAY 480V | |
AC/DC EARTH-LKGE RELAY 75-275V | |
AC/DC EARTH-LKGE RELAY | |
ARC FLASH RELAY CONFORMAL COATED | |
ARC-FLASH RELAY 24V W/CONFORMAL | |
ARC-FLASH RELAY 24VDC SUPPLY | |
ARC-FLASH RELAY NO COMM. UL&C-TI | |
ARC-FLASH RELAY UNIV W/CONFORMAL | |
ARC-FLASH RELAY W/ CONFORMAL | |
ARC-FLASH RELAY, UNIVERSAL SUPPL | |
ARC-FLASH RELAY | |
AUT. CORRECTION OF PHASE SEQU. | |
D101X=RELAY, CLOSE DIFFERENTIA | |
DC GROUND FAULT RELAY 9-36 VDC | |
EARTH LEAKAGE MONITORING RELAY | |
FPR W/TIA-232/DEVICENET | |
FPR W/TIA-232/ETHERNET | |
FPR W/TIA-232 | |
FPR WITH TIA-232/TIA-485 | |
GEN GRND FAULT RELAY 120V SUP | |
GEN GRND FAULT RELAY 12VDC SUP | |
GEN GRND FAULT RELAY-24VDC SUP | |
GF-GC MON 120VAC/VCD LATCHING GC | |
GF-GC MON 18-72 VDC USES SE-TA12 | |
GF-GC MON AC/DC SUPPLY EXT-GC | |
GF-GC MON C/W 1N5339B TERM 240VA | |
GF-GC MON DC SUPPLY EXT-GC | |
GF-GC MON UVR LATCHING GC 120V | |
GF-GC MONITOR 120-VAC/DC | |
GF-GC MONITOR 120VAC LATCHING GC | |
GF-GC MONITOR 240VAC LATCHING GC | |
GF-GC MONITOR LATCHING GC | |
GF-GC MONITOR UVR 120 VAC/VDC SU | |
GF-GC MONITOR UVR 240 VAC SUPPLY | |
GF-GC MONITOR UVR LATCHING GC 24 | |
GFGC MONITOR ETHERNET | |
GFGC MONITOR LOW VOLTAGE | |
GRND FAULT INDICAT SYST LED 30V | |
GRND FAULT INDICATE SYST 3PHASE | |
GRND RES RELAY DEVICENET DC SUP | |
GRND RES RELAY DEVICENET UNIV | |
GRND RES RELAY ETHERNET UNIV | |
GRND RES RELAY ETHERNET-DC SUP | |
GRND RES RELAY LOCAL ONLY DC SUP | |
GRND RES RELAY PROFIBUS DC SUP | |
GRND RESISTOR RELAY UNIVERSAL | |
GROUND CONTINUITY MONITOR | |
GROUND FAULT MONITOR | |
GROUND REFERENCE MODULE 300VDC | |
GROUND RESISTANCE SIGNALING MODU | |
GROUND-FAULT GROUND CHECK MON | |
GROUND-FAULT GROUND-CHECK MON | |
GROUND-FAULT-RELAY TEST UNIT 240 | |
KIT MPR WITH TIA-232 AND CIM MPU | |
MONITOR EARTH LEAKAGE 120/240VAC | |
MONITOR EARTH LEAKAGE 24VDC | |
MONITOR EARTH LEAKAGE | |
MONITOR GF-GC DC SUPPLY EXT-GC | |
MONITOR GFGC AC/DC EXT-GC ETHER | |
MONITOR GRD-FAULT GRD-CHK RELAY | |
MONITOR GRND FALT RELAY 120/240V | |
MONITOR GRND FAULT RELAY 12/24V | |
MONITOR NGR 48V DUAL FBR 61850 | |
MONITOR NGR 48V DUAL RJ45 61850 | |
MONITOR NGR 48V FBR/RJ45 61850 | |
MONITOR NGR 48V SC FBR/RJ45 K4 | |
MONITOR NGR 48VDC DUAL SC FBR K4 | |
MONITOR NGR 48VDC DUAL SC FBR | |
MONITOR NGR 48VDC SC FBR/RJ45 | |
MONITOR NGR UNIV DUAL RJ45 61850 | |
MONITOR NGR UNIV DUAL SC FBR | |
MONITOR NGR UNIV SC FBR/RJ45 | |
MOTOR GROUND FAULT & INSUL RELAY | |
MOTOR OVERLOAD PROTECTION 8000 | |
MPR W/TIA-232/DEVICENET | |
MPR W/TIA-232/ETHERNET | |
MPR WITH TIA-232/TIA-485 | |
MPS W/DEVICENET CONTROL UNIT | |
MPS W/ETHERNET CONTROL UNIT | |
MPS W/PROFIBUS CONTROL UNIT | |
MPS W/STANDARD COMM CONTROL UNIT | |
NEUTRAL-EARTHING-RES MON 48VDC D | |
NEUTRAL-EARTHING-RES MON 48VDC E | |
NEUTRAL-EARTHING-RES MON 48VDC N | |
NEUTRAL-EARTHING-RES MON DEVICEN | |
NEUTRAL-EARTHING-RES MON ETHERNE | |
NEUTRAL-EARTHING-RESISTOR MON. D | |
NEUTRAL-EARTHING-RESISTOR MON. E | |
NEUTRAL-EARTHING-RESISTOR MONITO | |
NGR MON 120 VAC 4K8 NGR SHORT DE | |
NGR MON 120 VAC EXT RF GF TIME 0 | |
NGR MON 120 VAC NON-LATCH GF 0.1 | |
NGR MON 120V GF TIME 0.1 TO 5 S | |
NGR MON 120V NL EXT RF GF 0.1-5S | |
NGR MON 120V NON-LATCH GF 0.1-5S | |
NGR MON 120VAC/VDC EXT RF GF 0.1 | |
NGR MON 120VAC/VDC NON-LATCH | |
NGR MON 240 VAC EXT RF GF TIME 0 | |
NGR MON 240 VAC EXT RF NL GF 0.1 | |
NGR MON 240 VAC EXT RF NON-LATCH | |
NGR MON 240 VAC EXTENDED RF TRIP | |
NGR MON 240 VAC GF TIME 0.1-5S | |
NGR MON 240 VAC NON-LATCH GF 0.1 | |
NGR MON EXTENDED RF TIME GF 0.1- | |
NGR MON EXTENDED RF TRIP NON-LAT | |
NGR MON UNIV DUAL RJ45 61850 K4 | |
NGR MON UNIV DUAL SC FIBER 61850 | |
NGR MON UNIV E-NET DUAL RJ45 618 | |
NGR MON UNIV E-NET DUAL SC FIBER | |
NGR MON UNIV E-NET SC FIBER RJ45 | |
NGR MON UNIV ETHERNET DUAL SC FI | |
NGR MON UNIV ETHERNET SC FIBER R | |
NGR MON UNIV SC FIBER RJ45 61850 | |
NGR MON. 48VDC PROFIBUS CE/C-T | |
NGR MON. 48VDC PROFIBUS K4 NC CE | |
NGR MONITOR 120 VAC GF TIME 0.1- | |
NGR MONITOR 120 VAC NON-LATCHING | |
NGR MONITOR 120 VAC/VDC EXT RF T | |
NGR MONITOR 120 VAC/VDC NON-LATC | |
NGR MONITOR 120VAC SUPPLY | |
NGR MONITOR 240 VAC NON-LATCHING | |
NGR MONITOR 240VAC SUPPLY | |
NGR MONITOR 48VDC CE/C-T | |
NGR MONITOR 48VDC D-NET NC CE/C- | |
NGR MONITOR 48VDC DEVICENET CE/C | |
NGR MONITOR 48VDC ETHERNET CE/C- | |
NGR MONITOR 48VDC ETHERNET NC CE | |
NGR MONITOR 48VDC NC CE/C-T | |
NGR MONITOR EXT RES TRIP TIME | |
NGR MONITOR NC 48-VDC D-NET | |
NGR MONITOR NC 48-VDC ETHERNET | |
NGR MONITOR NC 48-VDC PROFIBUS | |
NGR MONITOR NC 48-VDC | |
NGR MONITOR NC DEVICENET | |
NGR MONITOR NC ETHERNET | |
NGR MONITOR NC | |
OVERCURRENT RELAY | |
PMT SE-330 METER PULSING | |
PROTECTION RELAY 3PH 165-300V AC | |
PROTECTIVE RELAY 120V | |
RELAY 13.5~32V | |
RELAY DIGITAL MOONITORING FOR 3P | |
SE-325 NGR MON ENCL | |
SE-601-0D WITH CONFORMAL COATING | |
SENS GRND FAULT RELAY 120V SUP | |
SENS GRND FAULT RELAY 240V SUP | |
SENS GRND FAULT RELAY 24VDC SUP | |
SMT SE-330 2-RJ45 | |
TERM ASSY 5.6V 50W | |
THERM. MOTOR PROT. 2CO GOLD PROT | |
THERMISTOR MOT. PROT. 1CO US=A1 | |
THERMISTOR MOT. PROT. 1NO 1CO WA | |
THERMISTOR MOT. PROT. 1NO 1NC BI | |
THERMISTOR MOT. PROT. 2W GOLD PR | |
THERMISTOR MOTOR PROT. 1CO US=A1 | |
THERMISTOR MOTOR PROT. 2 CO BIST | |
THERMISTOR MOTOR PROT. 2 CO MANU | |
THERMISTOR MOTOR PROT. 2CO PROT. | |
THERMISTOR MOTOR PROT. 2CO PROT | |
THERMISTOR MOTOR PROT. 2CO REMOT | |
THERMISTOR MOTOR PROTECTION 2CO | |
THERMISTOR-MOTORSCHUTZ 2W SICHER | |
THREE PHASE GROUND FAULT DISPLAY | |
VOLTAGE MONITORING RELAY | |
WD2759-003=OVER/UNDERVOLTAGE R |
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