Protection Relays & Systems
Explore Protection Relays & Systems parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Packaging | Product Status | Function | Voltage - Supply | Trip Range | Delay Time | Mounting Type | Termination Style | Features | Operating Temperature |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
777-575-HRG-P23-PH OLR/500-600V/2-90FLA/ |
1,520 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 500 ~ 600VAC | 2 ~ 100A, 450 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
777-ACCUPOWER3-PHASE POWER MONITOR/190-480V |
1,677 |
|
Datasheet | - | Bulk | Active | Ground Fault, Overcurrent | 190 ~ 480VAC | 2 ~ 800A | 2 ~ 500s | Chassis Mount | Screw Terminal | - | -40°C ~ 70°C |
|
|
777-FT3-PHASE OVERLOAD RELAY/ 190-48 |
2,827 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 200 ~ 480VAC | 2 ~ 800A, 170 ~ 528VAC | 2 ~ 60s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
777-HVR-LR-P23-PH OLR/340-480V/ 1-9FLA/ |
4,102 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 380 ~ 480VAC | 1 ~ 800A, 340 ~ 528VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
777-HVR-P23-PH OLR/340-480V/ 2-800FLA/ |
3,032 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 380 ~ 480VAC | 2 ~ 800A, 340 ~ 528VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
777-HVR-SP1-PHASE OVERLOAD RELAY/ 380-48 |
1,852 |
|
Datasheet | 777/77C | Bulk | Active | Ground Fault, Overcurrent, Undercurrent, Undervoltage | 340 ~ 480VAC | 2 ~ 800A, 340VAC | 0.2 ~ 500s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
PGM-8600INSULATION MONITOR |
3,165 |
|
Datasheet | PGM-8600 | Bulk | Obsolete | Ground Fault | 240VAC | - | - | Chassis Mount, DIN Rail | Screw Terminal | Manual Reset, Test Button | - |
|
|
SE-703-0DEARTH LEAKAGE MONITOR 24V |
1,268 |
|
Datasheet | * | Bulk | Obsolete | - | - | - | - | - | - | - | - |
|
|
777-HRG-P23-PH OLR/200-480V/2-90FLA/ |
3,846 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 200 ~ 480VAC | 2 ~ 90A, 170 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
777-LR-TS3-PHASE OVERLOAD RELAY/190-480 |
2,427 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 200 ~ 480VAC | 1 ~ 9A, 170 ~ 528VAC | 0.2 ~ 500s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
777-MLR-KW/HP-P23-PHASE POWER MONITOR/ 200-480 |
3,597 |
|
Datasheet | 777-KW/HP-P2 | Bulk | Active | Multiple | 200 ~ 480VAC | 0.5 ~ 21A, 40 ~ 740A, 170 ~ 528VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
|
WD2759-001WD2759-001=OVER/UNDERVOLTAGE R |
1,703 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
|
|
252X252X=WILMAR OVER/UNDERVOLTAGE |
4,727 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
|
|
901X901X=WILMAR PHASE SEQUENCE 46 |
1,526 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
|
|
WD5051-3-002WD5051-3-002=RELAY, 3PH, OVRCU |
4,451 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
|
SE-701-03GROUND-FAULT MONITOR SUPPLY: 24 |
3,941 |
|
Datasheet | SE-701 | Bulk | Active | Ground Fault | 24VAC | - | 0.05 ~ 2.5s | Chassis Mount, DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | -40°C ~ 60°C |
|
SE-704-03EARTH-LEAKAGE MONITOR 24-VAC |
4,676 |
|
Datasheet | SE-704 | Bulk | Active | Ground Fault | 24VAC | 0.01 ~ 5A | 0.03 ~ 20s | DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | -40°C ~ 60°C |
|
|
K2CA-DO-R2(E)RELAY MOTOR PROTECTION ROUND EMB |
1,030 |
|
Datasheet | * | Bulk | Obsolete | - | - | - | - | - | - | - | - |
|
|
250-6X250-6X=WILMAR OVER/UNDERVOLTAG |
2,120 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
|
|
WUVT3-230WUVT3-230=WILMAR TIME DELAY -- |
2,510 |
|
Datasheet | - | Bulk | Discontinued at Digi-Key | - | - | - | - | - | - | - | - |
Frequently Asked Questions
What are Protection Relays & Systems components used for?
Protection Relays & Systems components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Protection Relays & Systems part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find Protection Relays & Systems parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.