Busbars and Terminal Strips
> Blue Sea 2104 PowerBar Heavy Duty Bus Bar
Blue Sea Systems 2104 PowerBar 4 x 3/8-16 Stud Terminal
Blue Sea 2104 PowerBar Heavy Duty Bus Bar
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This Heavy Duty Bus Bar is often used as a ground bus for large negative battery cables.
4 x 3/8" stud terminals 2 screw terminals each end for smaller wires
Busbar Material Tin-Plated Copper CDA 110 / UNS 11000
Continuous Amperage 545 Amperes AC / 600 Amperes DC
Voltage Rating 300 Volts AC Maximum / 48 Volts DC Maximum
Base Material Reinforced Polycarbonate
Dimensions 7" x 2"
Optional cover available
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to
The 600 Ampere busbar from Blue Sea Systems, PN 2104, is useful as a negative tie point. It has a continuous amperage rating of 600A DC. In addition to the four large stud terminals for high current carrying large wire terminals, it has four screw terminals (two on each end) for low-current, small-wire connections. In boats with two or more engines and two or more battery banks, use the 600A busbar to tie together engine blocks and battery bank negative terminals. According to American Boat and Yacht Council (ABYC) rules: 188.8.131.52. "Multiple Engine Installation - If a boat has more than one engine with a grounded cranking motor, which includes auxiliary generator engine(s), the engines shall be connected to each other by a common conductor that can carry the cranking motor current of each of the grounded cranking motor circuits."
Two different covers are available for this
is a simple cover
is a more elaborate cover that completely encloses the busbar
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Busbar Amp Rating
Busbar without cover
Busbar Voltage Rating
300 VAC - 48 VDC
Number of terminals
7 or less