Victron Energy DC Busbar With Cover, 150A, 70V

Overview

The Victron Energy Busbar 150 A with cover is a DC distribution busbar for bringing battery and equipment cables together on low-voltage systems up to 70 VDC. It gives installers a clean common connection point for positive or negative DC runs instead of stacking too many cables directly on a battery terminal or switch post.

This busbar is rated for 150 A and uses 1/4 inch / 6.35 mm stud terminals with a recommended torque of 60 lbf-in / 7 N-m. The busbar strip is tin-plated copper, with stainless steel terminals, tin-plated copper hex nuts, a black ABS base, and a clear polycarbonate cover that helps reduce accidental contact with live terminals.

Key features

• 150 A maximum current rating for DC distribution in properly sized low-voltage electrical systems.
• 70 VDC maximum voltage rating, making it suitable for common marine DC battery and equipment layouts within that limit.
• 1/4 inch / 6.35 mm stud terminals for ring-terminal cable connections.
• Tin-plated copper busbar strip helps maintain conductivity in a marine electrical installation when installed in a protected location.
• Clear removable polycarbonate cover helps shield the terminal area while still leaving the layout visible for inspection.
• Available in 4P and 6P versions so the connection count can match the number of cables in the system.

Variants

This product is offered in two connection configurations with the same 150 A and 70 VDC electrical rating.

The main difference between the variants is the number of high-current stud connections. The 4P version has a shorter body and fewer landing points, while the 6P version adds two more stud positions for systems with more DC circuits or charging sources.

• VBB115040020: Connections 4P. This version has four high-current stud connections and measures 1.8 x 6.0 x 1.25 inch with cover, or 45 x 152.4 x 31.8 mm, with a weight of 0.4 lb / 0.2 kg.
• VBB115060020: Connections 6P. This version has six high-current stud connections and measures 1.8 x 9.1 x 1.25 inch with cover, or 45 x 231.7 x 31.8 mm, with a weight of 0.6 lb / 0.27 kg.

Installation and setup

Install the busbar on a firm surface close to the related batteries, DC panel, inverter, charger, solar controller, or other equipment it will serve. Keep the cable runs as short and direct as practical, and leave enough room around the studs for ring terminals, washers, nuts, and a torque tool.

The cover helps protect the terminal area, but this is still an exposed electrical component until installed inside a suitable compartment or enclosure. On a boat, it should be kept away from standing bilge water, heavy spray, loose metal tools, and areas where gear can press against the terminals.

Compatibility and fit

This busbar is useful on vessels where several DC cables need a shared termination point, such as a battery compartment, DC distribution area, inverter and charger installation, or equipment upgrade where the existing battery post has become crowded. Match the busbar rating, cable size, terminal size, fuse protection, and load requirements to the full electrical system before installation.

The 4P version fits tighter layouts with fewer large cable terminations. The 6P version needs more mounting length but gives extra stud positions for a cleaner layout when more circuits need to land on the same bus.

Materials and care

The tin-plated copper conductor, stainless steel terminals, black ABS base, and clear polycarbonate cover make the unit suitable for protected marine electrical spaces when it is installed correctly. Periodic inspection is still important in a saltwater environment. Check that terminals remain tight, clean, and free from corrosion, and confirm that the cover is seated after service work.