12-Way Fuse Box – Dual Busbar Blade Fuse Block for 12V & 24V Systems

When your electrical system matters, don’t trust generic fuse blocks.

The 4x4LAB 12-Way Blade Fuse Box with Positive & Negative Busbars is a premium-grade, branded power distribution solution built for serious off-grid, 4WD, caravan, campervan and marine setups. Designed to handle real Australian conditions, this is the fuse block we actually run in our own builds.

Unlike unbranded imports, this unit features solid construction, quality fasteners, clean busbar design and a rugged protective cover, delivering reliable, organised power distribution you can trust on corrugations, heat and long trips off the grid.

⭐ Why This Fuse Box Is Different

This isn’t just another 12-way fuse block, it’s a 4x4LAB-spec’d component, selected and branded because it meets our standards for real-world use.

✅ Premium Dual Busbar Design

Integrated positive and negative busbars keep wiring clean, efficient and easy to troubleshoot, no messy ground stacking or daisy-chaining.

✅ 12 Individually Fused Circuits

Run fridges, lights, compressors, Starlink, pumps, radios and accessories safely from one central point.

✅ Clear Protective Cover with Secure Latch

Dust-resistant transparent cover lets you visually inspect fuses instantly while protecting terminals from accidental shorts.

✅ Proper Hardware

High-quality terminals and fasteners ensure solid electrical connections that won’t loosen over time.

✅ Branded 4x4LAB Quality

This is not a generic white-label product, it’s a 4x4LAB-approved component, tested and trusted in Australian builds.

🔌 Electrical Compatibility

• 12V & 24V DC systems

• Compatible with ATC / ATO blade fuses

• Accepts ring or fork terminals

• Ideal for:

  • 4WD & touring vehicles

  • Campervans & caravans

  • Canopies & tray setups

  • Boats & marine applications

  • Starlink Mini & off-grid power systems

  • Mining, Construction, Farming and other off-grid builds. 

🧰 Installation

🟢 Easy install (2/5 difficulty)
Surface-mount design with clearly labelled circuits makes installation clean and straightforward, perfect for DIY builds or professional installs.

📐 Key Specifications

• Circuits: 12 fused outputs

• Voltage: Up to 32V DC

• Fuse Type: ATC / ATO

• Busbars: Integrated positive & negative

• Cover: Clear protective snap-lock cover

• Terminals: Heavy-duty screw terminals

• Housing: Rugged ABS construction

• Dimensions: 164 × 84 × 39mm

📦 What’s Included

• 1 × 4x4LAB 12-Way Blade Fuse Box with Dual Busbars

• 1 × Clear protective cover (pre-installed)

• 4 × Mounting screws

• 1 × Circuit label sheet

🧭 Perfect For

• Clean auxiliary power setups

• Touring & off-grid builds

• Starlink Mini installations

• Dual-battery & lithium systems

• Anyone sick of messy wiring

🚚 Fastest Shipping, True Aussie Customer Service
⚡ Free Express Shipping on orders over $49
⏱️ Same-day dispatch on business days when ordered before 5PM AEST
🏙️ Cities: 1–2 business day delivery to: Sydney, Melbourne, Brisbane, Perth, Adelaide, Canberra & Hobart
🌄 Rural areas: You’ll still receive it one of the fastest ways possible with consistent Australia Post Express shipping.

💬 Questions?
We usually reply within a few hours and always within 24 hours – real support from a real Aussie business.

✅ Why Buy From 4x4LAB?
Designed for real-world off-grid use
Tested on Australian rigs and conditions
Trusted by 4WD, caravan & Starlink Mini owners Australia-wide
Fast shipping. No fluff. No shortcuts.