10-Way Negative Bus Bar (Black) – 150A Continuous | Safety Cover & Screws Included

Keep your wiring clean, organised and reliable with the 4x4LAB 10-Way Negative Bus Bar.

Designed for 12V and 24V systems, it provides 10 dedicated grounding points with a 150A rating, making it easy to manage multiple circuits across 4WD, caravan and off-grid setups. No more stacking cables or messy installs.

With a clear safety cover, durable construction and included mounting hardware, it’s built for harsh Aussie conditions and ready for a clean, professional install straight out of the box.

• 10-way negative bus bar for clean, organised grounding
• 150A continuous current rating for high-load systems
• Dedicated terminals for multiple circuits
• Clear protective cover for safety and quick inspection
• Stainless steel hardware for durability and corrosion resistance
• Compact, low-profile design for tight installs
• Includes mounting screws for easy installation
• Insulated base to reduce risk of short circuits
• Suitable for 12V and 24V electrical systems
• Designed for 4WD, caravan, marine and off-grid setups

Ideal for:

• 4WD & touring builds
• Campervans & caravans
• Dual battery systems
• Solar & DC-DC charger installs
• Starlink Mini power setups
• Marine & off-grid systems

Specifications:

• Polarity: Negative (Black)
• Connection Points: 10
• Continuous Rating: 150A
• Max Voltage: 48V DC / 300V AC
• Terminal Screws: M5 × 10
• Terminal Studs: M8 × 2
• Base Material: Glass-filled nylon
• Weight: ~100g

Dimensions:

• Approx. 140 × 21 × 40 mm

Using a negative bus bar reduces wiring clutter, simplifies fault-finding, and improves overall system safety. Instead of stacking multiple cables on a single battery terminal, each circuit gets its own dedicated connection point, clean, logical, and service-friendly.

The insulated base and clear safety cover help prevent accidental short circuits, making it ideal for tight installs in drawers, power boxes and under-seat setups.

• Designed for negative (earth) connections only
• Suitable for 12V and 24V DC systems
• Mounts to flat surfaces in canopies, drawers or electrical panels
• Accepts ring terminals on M5 screws and M8 studs
• Allows multiple circuits to share a common ground point
• Helps reduce clutter at battery terminals
• Best suited for permanent or semi-permanent installs
• Install in a dry, protected location where possible
• Ensure all terminals are tightened securely before use
• Not waterproof – use in enclosed or protected environments

• 1 × 4x4LAB 10-Way Negative Bus Bar (Black)
• 1 × Clear Safety Cover
• 2 × Mounting Screws
• 2 × Terminal Stud Caps