Blue Sea DualBus Plus 150Amp Bus Bar - 5 Gang The Blue Sea DualBus Plus Bus Bar combines negative and positive buses on one block. A clear polycarbonate cover snaps on to meet Coast Guard and ABYC insulation requirements. Maximum Voltage 300V AC 48V DC Number of Screw Terminals 5 per bus Number of Terminal Studs 2 per bus Terminal Type 10-32 Screw 14 Stud Continuous Rating 130A AC 150A DC Base Material Reinforced Polycarbonate Bus Material Tin-Plated Copper CDA 110 UNS 11000 Cover Matieral C