RELIABILITY: Engineered with tin-plated copper for superior conductivity and stainless steel hardware to resist corrosion in harsh marine or off-grid environments.

Key Features

• ✔ High Capacity: Rated for 300A continuous DC current.
• ✔ Multi-Voltage: Compatible with 12V, 24V, and 48V systems.
• ✔ Marine Grade: Stainless steel studs and nuts for rust resistance.
• ✔ Modular Design: Includes removable windows for easy wiring.

Technical Specs

SKU/MPN	BBB-300
Max Current	300 Amps DC
Max Voltage	48V DC
Terminal Studs	4 x M8 (8mm)
Bus Material	Tin-Plated Copper
Base Material	Glass Fiber Nylon

System Type	Typical Application	Notes
Solar Photovoltaic	Battery Bank Interconnects	Perfect for merging multiple solar strings.
Marine / Yacht	Negative Power Distribution	Corrosion-resistant for saltwater environments.
RV / Campervan	High Power Inverter Wiring	Compact footprint for tight storage lockers.

Mount the busbar to a flat, solid surface using the pre-drilled holes in the base. Ensure all ring terminals are clean and tightened securely to the M8 studs using the provided stainless steel nuts. The protective cover should be snapped into place after all connections are finalized to prevent accidental short circuits.

Is this suitable for a 48V Lithium battery system?

Yes, the BBB-300 is rated for operation up to 48V DC, making it ideal for modern high-voltage solar storage systems and LiFePO4 battery banks.

How do I know if it is compatible?

Check the current requirements of your circuit. If your total continuous load is under 300 Amps and your cable terminals are M8 (8mm), this busbar is a perfect fit.

Can I mount multiple terminals on one stud?

Yes, the M8 studs are long enough to accommodate multiple stacked ring terminals, though we recommend a maximum of 2-3 per stud for optimal thermal performance.