The industry standard busbar for positive distribution, The industry standard busbar for the collection of negative or AC ground circuits, Features tin-plated copper bus, 1/4 stainless steel studs and 8-32 terminal screws. Maximum voltage 300 volts AC, 4 Tags: Blue Sea Busbar 150amp Stud Terminal 4-Gang 1/4-20 2303 Voltage 300 Volts Brand Name Unknown Part Number 661-2303 Connector Type Screw Current Rating 150 Amps Number Of Poles 4 Number Of Contacts 4 Number of Positions 4