SpecificationsMaximum Voltage300V AC 48V DCNumber of Screw Terminals20Number of Terminal Studs2Terminal Type1/4" Stud #8-32 ScrewContinuous Rating 130A AC 150A DCBase MaterialReinforced PolycarbonateBus MaterialTin-Plated Copper CDA 110 / UNS 11000Cover MaterialClear PolycarbonateWeight 0.57 lb ( 0.26 kg) The industry standard busbar for positive distribution; The industry standard busbar for the collection of negative or AC ground circuits;