Brand: Eaton Item: Undervoltage trip Connection: 18in pigtail For Use With: AutomationDirect (Eaton) 400A frame MCCBs Field Installable: Yes Sensing Range: 110-127 VAC Eaton field installable undervoltage trip, 110-127 VAC sensing range, 18in pigtail. For use with AutomationDirect (Eaton) 400A frame MCCBs.