html{display:none} SEL-ER Overhead Electrostatic Reset Fault Indicator - Specifications | Schweitzer Engineering Laboratories


Power SourceElectric field potential gradientElectric field potential gradient and high-capacity, long-life, replaceable lithium battery
DisplayReflective red targetReflective red target and flashing red LED
Nominal Trip Ratings50 to 1,200 A
Trip Tolerance±10%
System Voltage Range (L-L)10.35 kV to 69 kV
Reset TimeApproximately 20 minutes at 6 kVL-N (Higher voltages result in quicker reset.)
Maximum Fault Current25 kA for 10 cycles at 60 Hz
Trip Response Time1 ms, optional 24 ms
Inrush Restraint Response Time300 ms
Outer Diameter Clamping Range0.16" to 1.40"
Housing MaterialUV-stabilized polycarbonate resin
Clamp MaterialStainless-steel clamp with a UV-stabilized rubber sleeve
Temperature Range–40° to +85°C (–40° to +185°F)
Approximate Weight386 g (0.85 lbs)408 g (0.90 lbs)