html{display:none} LINAM UGFI Underground Fault Indicator - Specifications | Schweitzer Engineering Laboratories

Specifications

Trip Thresholds25 to 1,600 A
Immunity From Adjacent-Phase Fault
Current
25 kA at 10.2 cm (4 in) on center between phases
Maximum Fault Current Withstand40 kA for 10 cycles
Clamping Range 15.24 to 55.9 mm (0.6 to 2.2 in)
Current Reset Option ≥1 A for as long as 10 minutes
Timed-Reset Option2, 4, 8, or 12 hours
Timed Reset With Current
Reset Override

Timed-reset duration (2, 4, 8, or 12 hours) or ≥1 A (whichever occurs first)

Fault Detection TimeAs fast as 1.5 cycles; 2 cycles typical
Approximate Weight453.59 g (3 lb)
Temperature Range–40° to +85°C (–40° to +185°F)
Product CertificationIEEE 495—Guide for Testing Faulted Circuit Indicators