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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DEA71DM24A003EARTH LEAKAGE MONITORING RELAY |
1,935 |
|
Datasheet | DEA71 | Box | Active | Ground Fault | 24 ~ 240VAC | 30mA | - | DIN Rail | Screw Terminal | - | -25°C ~ 60°C |
|
3RN20001AA30THERMISTOR MOT. PROT. 1CO US=A1 |
4,830 |
|
Datasheet | SIRIUS 3RN2 | Bulk | Active | Overtemperature | 24VAC/DC | - | - | DIN Rail | Screw Terminal | Automatic Reset | -25°C ~ 60°C |
|
3RN20101CW30THERMISTOR MOT. PROT. 1NO 1NC BI |
2,231 |
|
Datasheet | SIRIUS 3RN2 | Bulk | Active | Overtemperature | 24 ~ 240VAC/DC | - | - | DIN Rail | Screw Terminal | Automatic Reset | -25°C ~ 60°C |
|
3UG46171CR20VOLTAGE MONITORING RELAY |
1,802 |
|
Datasheet | SIRUS 3UG4 | Bulk | Active | Phase Loss, Phase Sequence, Overvoltage, Undervoltage | 160 ~ 690VAC | 160 ~ 690VAC | 0.1 ~ 20s | DIN Rail | Screw Terminal | Automatic Reset | -25°C ~ 60°C |
|
SE-325NGR MONITOR 120VAC SUPPLY |
4,761 |
|
Datasheet | SE-325 | Bulk | Active | Ground Fault | 120VAC | 0.5 ~ 4A | 0.1 ~ 2s | Chassis Mount | Screw Terminal | Manual Reset | - |
|
PGR-4300-24GEN GRND FAULT RELAY-24VDC SUP |
3,481 |
|
Datasheet | PGR-4300 | Bulk | Active | Ground Fault | 24VDC | 100 ~ 1200A | 0 ~ 1s | Chassis Mount, DIN Rail | Screw Terminal | Manual Reset, Test Button | -10°C ~ 60°C |
|
AF0500-00ARC-FLASH RELAY |
4,756 |
|
Datasheet | AF0500 | Bulk | Active | Arc-Flash | 100 ~ 240VAC, 110 ~ 250VDC, 24 ~ 48VDC | - | - | Chassis Mount | Screw Terminal | - | -40°C ~ 70°C |
|
SE-330-20-00GRND RES RELAY LOCAL ONLY DC SUP |
4,497 |
|
Datasheet | SE-330 | Bulk | Active | Ground Fault | 48VDC | 20 ~ 10000VAC | 0.1 ~ 10s | Panel Mount | Screw Terminal | Harmonic Filtering, Manual Reset | -40°C ~ 60°C |
|
3RN20101CA30THERMISTOR MOT. PROT. 1NO 1NC BI |
1,521 |
|
Datasheet | SIRIUS 3RN2 | Bulk | Active | Overtemperature | 24VAC/DC | - | - | DIN Rail | Screw Terminal | Automatic Reset | -25°C ~ 60°C |
|
3RN20112BA30THERMISTOR MOTOR PROT. 2 CO MANU |
1,006 |
|
Datasheet | SIRIUS 3RN2 | Bulk | Active | Overtemperature | 24VAC/DC | - | - | DIN Rail | Spring Terminal | Manual Reset | -25°C ~ 60°C |
|
|
3UG46181CR20AUT. CORRECTION OF PHASE SEQU. |
3,219 |
|
Datasheet | SIRUS 3UG4 | Bulk | Active | Phase Loss, Phase Sequence, Overvoltage, Undervoltage | 90 ~ 400VAC | 90 ~ 400VAC | 0.1 ~ 20s | DIN Rail | Screw Terminal | Automatic Reset | -25°C ~ 60°C |
|
3UG46152CR20RELAY DIGITAL MOONITORING FOR 3P |
1,602 |
|
Datasheet | SIRUS 3UG4 | Bulk | Active | Phase Loss, Phase Sequence, Overvoltage, Undervoltage | 160 ~ 690VAC | 160 ~ 690VAC | 0.1 ~ 20s | DIN Rail | Spring Terminal | Automatic Reset | -25°C ~ 60°C |
|
77C1-PHASE OVERLOAD RELAY/ 100-24 |
1,201 |
|
Datasheet | 77C | Bulk | Active | - | 100 ~ 240VAC | 100 ~ 240V AC | - | Chassis Mount | - | - | -20°C ~ 70°C |
|
|
777-575-P23-PH OVERLOAD REL./500-600V/ |
4,508 |
|
Datasheet | 777/77C | Bulk | Active | Multiple | 500 ~ 600VAC | 2 ~ 800A, 450 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
777-575-KW/HP-P23-PHASE POWER MONITOR/500-600V |
4,441 |
|
Datasheet | 777-KW/HP-P2 | Bulk | Active | Multiple | 500 ~ 600VAC | 2 ~ 800A, 450 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C |
|
SE-704-0UMONITOR EARTH LEAKAGE 120/240VAC |
1,356 |
|
Datasheet | SE-704 | Bulk | Active | Ground Fault | 120 ~ 240VAC/DC | 0.01 ~ 5A | 0.03 ~ 20s | DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | - |
|
600VPR-1-170/290-CU3 PHASE-3W 170 TO 290V, PHASE FA |
1,033 |
|
Datasheet | 600VPR | Box | Active | Phase Loss, Phase Sequence, Overvoltage, Undervoltage | 170 ~ 290VAC | 170 ~ 290VAC | 0.2 ~ 10s | DIN Rail | Screw Terminal | - | 0°C ~ 50°C |
|
DPD02DM443PH MONITORING RELAY 480V |
2,930 |
|
Datasheet | DPD | Box | Active | Multiple | 208 ~ 480VAC | 177 ~ 552V AC | 0 ~ 60s | DIN Rail | Screw Terminal | - | -20°C ~ 60°C |
|
|
DPD02DM44B3PH MONITORING RELAY 240V |
2,228 |
|
Datasheet | DPD | Box | Active | Multiple | 120 ~ 277VAC | 102 ~ 318V AC | 0 ~ 60s | DIN Rail | Screw Terminal | - | -20°C ~ 60°C |
|
1618067-820-050-19X=WILMAR VOLT FREQ 120V |
3,207 |
|
Datasheet | - | Bulk | Active | Overfrequency, Underfrequency | 120VAC | 50Hz ~ 60Hz | - | Chassis Mount | Stud | - | -40°C ~ 85°C |
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.