Genuine Marpac Premier heavy-duty common grounding and power distribution busbar (Model / MPN: 7-1177). This marine-grade electrical block consolidates multiple negative return wires, positive power feeds, or AC ground circuits safely into a centralized terminal. Constructed with a tin-plated copper conductor bar for maximum electrical conductivity, it utilizes premium corrosion-resistant materials and stainless steel studs to fully withstand harsh marine, saltwater, and outdoor environments.

• Key Features: Tin-plated copper busbar for maximum current transfer, high-torque stainless steel connection points, glass-reinforced thermoplastic base insulation, and excellent galvanic corrosion resistance.
• Technical Specs: Brand: Marpac Premier | MPN: 7-1177 | Current Rating: 150 Amps DC / 130 Amps AC Continuous | Maximum Voltage: 48V DC / 300V AC | Terminal Hubs: 4 x 1/4"-20 Threaded Studs.
• Installation Notes: Securely mounts to flat bulkheads or electrical boards utilizing standard #10 (M5) fastener mounting holes. Always disconnect the main battery or shoreline power core before making new connections. Message with any questions!