Protection Relays & Systems
Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.
Product List
Total Components: 22
| Product | Pricing | Datasheet | Function | Voltage - Supply | Trip Range | Delay Time | Mounting Type | Termination Style | Features | Operating Temperature | Stock & Quantity |
|---|---|---|---|---|---|---|---|---|---|---|---|
 PGR-3100 Hamlin / Littelfuse | 1 $618.9600 | Datasheet | Ground Fault | 600VAC | - | - | Panel Mount | Screw Terminal | Test Button | - | 8,279 Cart + RFQ |
 SE-105 Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 120VAC | 0.5 ~ 5A | 0.1 ~ 1s | Chassis Mount | Screw Terminal | Automatic Reset, Manual Reset | - | 5,294 Cart + RFQ |
 777-P2 Hamlin / Littelfuse | 1 $590.7900 | Datasheet | Multiple | 200 ~ 480VAC | 200 ~ 480V AC | - | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C | 2,199 Cart + RFQ |
 EL3100-00 Hamlin / Littelfuse | 1 $767.7300 | Datasheet | Ground Fault | 208 ~ 600VAC | - | - | Chassis Mount, DIN Rail | Screw Terminal | - | - | 8,682 Cart + RFQ |
 SE-701-0U Hamlin / Littelfuse | 1 $926.1000 | Datasheet | Ground Fault | 120/240VAC/DC | - | 0.5 ~ 2.5s | Chassis Mount, DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | -40°C ~ 60°C | 8,812 Cart + RFQ |
 PGR-4700-24 Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 24VDC | 0.01 ~ 3A | 0 ~ 1.5s | DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | - | 8,016 Cart + RFQ |
 SE-601-0D Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault, Overcurrent | 12/24VDC | 0.1 ~ 0.2A | 0.5 ~ 2.5s | Chassis Mount, DIN Rail | Screw Terminal | Manual Reset, Test Button | -40°C ~ 60°C | 3,643 Cart + RFQ |
 SE-TA6 Hamlin / Littelfuse | 1 $374.0000 | Datasheet | Ground Fault | - | - | - | Chassis Mount | Screw Terminal | - | - | 5,058 Cart + RFQ |
 777-LR-P2 Hamlin / Littelfuse | 1 $590.7900 | Datasheet | - | 200 ~ 480VAC | 200 ~ 480V AC | - | Chassis Mount | - | - | -20°C ~ 70°C | 4,598 Cart + RFQ |
SE-701-0D Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 12 ~ 24VDC | - | 0.05 ~ 2.5s | DIN Rail | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | - | 2,327 Cart + RFQ |
 SE-135-00 Hamlin / Littelfuse | 1 $3.0000 | Datasheet | Ground Fault | 65 ~ 265VAC, 85 ~ 275VDC | - | 0.1 ~ 2.5s | Panel Mount | Screw Terminal | CT Loop Monitoring, Harmonic Filtering, Manual Reset, Test Button | -40°C ~ 60°C | 5,842 Cart + RFQ |
 SE-330-03-00 Hamlin / Littelfuse | 1 $5.0000 | Datasheet | Ground Fault | 120/240VAC/DC | 20 ~ 10000VAC | 0.1 ~ 10s | Panel Mount | Screw Terminal | Harmonic Filtering, Manual Reset | -40°C ~ 60°C | 3,231 Cart + RFQ |
 77C Hamlin / Littelfuse | 1 $384.1500 | Datasheet | - | 100 ~ 240VAC | 100 ~ 240V AC | - | Chassis Mount | - | - | -20°C ~ 70°C | 4,445 Cart + RFQ |
 SE-107 Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 120VAC | 0.5 ~ 5A | 0.1 ~ 1s | Chassis Mount | Screw Terminal | Automatic Reset, Manual Reset | - | 1,343 Cart + RFQ |
 PGR-4300-24 Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 24VDC | 100 ~ 1200A | 0 ~ 1s | Chassis Mount, DIN Rail | Screw Terminal | Manual Reset, Test Button | -10°C ~ 60°C | 1,870 Cart + RFQ |
 AF0500-00 Hamlin / Littelfuse | 1 $3.0000 | Datasheet | Arc-Flash | 100 ~ 240VAC, 110 ~ 250VDC, 24 ~ 48VDC | - | - | Chassis Mount | Screw Terminal | - | -40°C ~ 70°C | 4,214 Cart + RFQ |
 SE-325 Hamlin / Littelfuse | 1 $1.0000 | Datasheet | Ground Fault | 120VAC | 0.5 ~ 4A | 0.1 ~ 2s | Chassis Mount | Screw Terminal | Manual Reset | - | 4,648 Cart + RFQ |
 777-575-P2 Hamlin / Littelfuse | 1 $590.7900 | Datasheet | Multiple | 500 ~ 600VAC | 2 ~ 800A, 450 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C | 6,524 Cart + RFQ |
 777-575-KW/HP-P2 Hamlin / Littelfuse | 1 $681.8700 | Datasheet | Multiple | 500 ~ 600VAC | 2 ~ 800A, 450 ~ 660VAC | 0 ~ 999s | Chassis Mount | Screw Terminal | - | -20°C ~ 70°C | 1,702 Cart + RFQ |
 777-LR-KW/HP-P2 Hamlin / Littelfuse | 1 $681.8700 | Datasheet | Multiple | 200 ~ 480VAC | 1 ~ 800A, 170 ~ 528VAC | 0 ~ 999s | DIN Rail | Screw Terminal | - | -20°C ~ 70°C | 5,940 Cart + RFQ |