| SEL-ARU | SEL-ARU With Fiber-Optic Display | |
|---|---|---|
| Trip Thresholds | 50 to 1,200 A | |
| Voltage Range | Equal to voltage class of shielded underground cable | |
| Maximum Fault Current | 25 kA for 10 cycles | |
| Minimum Operating Current | 3 A | |
| Current-Activated Timed Reset | 0, 2, 4, 8, or 12 hours | N/A |
| Time Reset With Current Reset Override | N/A | 0, 2, 4, or 8 hours |
| Battery (for BEACON LED display only) | 3.6 V high-capacity lithium battery with a 20-year shelf life | |
| Trip Response Time | Function of trip threshold | |
| Inrush Restraint Response Time | 5 cycles | |
| Mounting Diameter Ranges | Standard: 0.75" to 2.10" (19 mm to 53 mm) Optional large core: 1.8" to 2.5" (46 mm to 64 mm) | Standard: 0.75" to 2.10" (19 mm to 53 mm) Optional large core: 1.8" to 2.5" (46 mm to 64 mm) |
| Approximate Weight | 560 g (1.25 lbs) | 840 g (1.85 lbs) |
| Temperature Range | –40° to +85°C (–40° to +185°F) | |