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

Page: 1 2
Product Name Notes
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

Next >>