CIRCUIT BREAKER 42VDC 40A IP67

40A Surface Mount IP67 Waterproof Circuit Breaker

The 40A Surface Mount IP67 Circuit Breaker is built to handle the harshest environments while protecting your electrical system from overloads and short circuits. With a compact, weather-sealed design, it’s perfect for use in 4WDs, caravans, marine setups, and custom 12V/24V installations.

Key Features:

• 40 Amp current rating – ideal for mid-load applications like fridges, lighting, and DC chargers
• IP67 rated – fully waterproof and dustproof for harsh outdoor or under-bonnet conditions
• Manual reset button – quickly reset power after a fault
• Surface mount design – easy to install and access
• M6 terminal studs – strong, secure cable connections
• Rugged thermoplastic housing – resists UV, impact, and corrosion

Specifications:

• Voltage rating: 12V – 48V DC
• Current rating: 40A
• Mounting style: Surface mount
• Reset type: Manual (push-button)
• Waterproof rating: IP67
• Terminal size: M6 studs

Great for:

• 4WD accessory circuits
• Caravan power systems
• Boat and marine applications
• Inverter and DC-DC charger protection

Available now at Home of 12 Volt Northern
Buy online or visit in-store — fast Australia-wide shipping.