Features2:1 adjustable full-load amps with tactile feedback dialSelectable 10 A, class 10, 20, 30 tripBuilt-in thermal memory to prevent hot motor restartsProtection against complete phase current loss+/- 2% accuracy+/- 2% repeatabilitySelf powered at 50% of minimum current rangeUnbalance trip signal for PLC operationManual tripVisual trip indicationBuilt-in line/load strapsFits with existing 300 line startersPower factor correction terminals