This common negative bus bar is a reliable and practical solution for organising your electrical system, making it ideal for camper vans, motorhomes, boats, and other 12V–48V installations. Designed to bring all negative connections back to one central point, it helps keep wiring neat, accessible, and easy to troubleshoot.

Rated for up to 150A, this bus bar is built to handle the demands of modern onboard electrical systems, whether you’re running lighting, charging circuits, or auxiliary equipment. The twelve screw terminals allow multiple negative cables to be securely connected, while the two heavy-duty studs provide strong main connection points to your battery bank or grounding system.

Perfect for both professional installers and DIY builds, this bus bar improves safety, reduces wiring clutter, and ensures a solid, dependable electrical connection in mobile and marine environments.

• Max - 150A 48V
• Number of screw terminals - 12
• Number of studs - 2