DNA Audio CBA050 Short Stop Auto Reset Thermal Circuit Breaker – 50 Amp | Heavy-Duty 12V/24V Power Protection

DNA Audio CBA050 Short Stop Auto Reset Thermal Circuit Breaker – 50 Amp | Heavy-Duty 12V/24V Power Protection

The DNA Audio CBA050 Short Stop Auto Reset Thermal Circuit Breaker is a professional-grade, heavy-duty power protection solution built for demanding 12V and 24V applications. With a robust 50-amp rating, it’s ideal for vehicles, boats, caravans, RVs, and off-grid power setups where reliable overload and short-circuit protection is critical.

Featuring a black UL-rated thermoplastic body and grey cover, this breaker is designed for harsh environments, providing superior durability and consistent performance. The straight chassis-mount bracket and dual terminal configuration make installation simple and secure, while its automatic reset functionality ensures uninterrupted power when overload conditions are resolved.

DNA Audio CBA050 Key Features & Benefits:

• Heavy-Duty 50A Protection: Perfect for high-current automotive, marine, and off-grid applications
• Automatic Reset Function: Restores power automatically after overload conditions clear
• Durable Construction: Black UL-rated thermoplastic body with a grey cover ensures longevity
• Straight Chassis-Mount Design: Provides a stable and secure installation for professional setups
• Precision-Terminal Layout: Copper terminal connects to battery, silver terminal connects to auxiliary device
• Optional Protective Cover: Compatible with the DNA CBA050C rubber cover for moisture and dust protection

Professional Applications:

• 4WD Touring Systems: Safeguards high-power circuits in dual battery kits, fridges, winches, and lighting systems
• Marine Power Distribution: Protects navigation electronics, pumps, and auxiliary marine gear
• RV & Caravan Power: Essential protection for solar controllers, inverters, and onboard circuits
• Heavy-Duty Automotive Installations: Ideal for high-current accessories like compressors and auxiliary batteries
• Solar & Off-Grid Power Systems: Ensures stable protection for battery management and energy storage applications

Technical Specifications:

• Model: DNA Audio CBA050
• SKU: CBA050
• Type: Short Stop Auto Reset Thermal Circuit Breaker
• Voltage Range: 12V DC ~ 24V DC
• Rated Current: 50 Amps
• Pole Count: Single pole
• Termination: 2 x #10-32 UNF terminals (Copper = battery, Silver = load device)
• Mounting Type: Straight chassis-mount bracket with 40mm hole spacing
• Body Material: Black UL-rated thermoplastic
• Cover Material: Grey thermoplastic cover
• Dimensions: 51mm (L) x 21mm (W) x 34mm (H)
• Packaging: Poly bag with barcode sticker
• Brand: DNA Audio automotive electrical protection series

Compatible With / Goes Well With:

• DNA CBA050C rubber protective breaker cover
• Dual battery systems and DC-DC chargers
• High-output power inverters and solar controllers
• Marine-grade auxiliary power systems
• Heavy-duty automotive accessories like winches and compressors

Installation Applications:

• High-Power Automotive Circuits: Protects large-load circuits in off-road and touring vehicles
• Marine Power Management: Shields sensitive onboard electronics and accessories
• RV & Caravan Energy Systems: Ideal for protecting solar regulators, chargers, and inverters
• Off-Grid Installations: Ensures stable circuit protection in independent energy systems
• Workshop Wiring Projects: Perfect for installers needing compact, reliable breaker solutions

For auto electricians, 4WD tourers, and marine specialists needing dependable circuit protection, the DNA Audio CBA050 delivers heavy-duty performance in a compact and rugged design. Its automatic reset functionality, thermoplastic body, and compatibility with the optional CBA050C protective cover make it perfect for demanding environments.

Frequently Asked Questions

• Is this breaker auto-resetting?
  Yes — the CBA050 restores power automatically when overloads are cleared.
• Can it handle high-current 12V and 24V circuits?
  Absolutely — it’s rated for up to 50 amps, making it ideal for demanding setups.
• Do I need the CBA050C cover?
  While optional, the cover is highly recommended for moisture, dust, and short protection.
• Is this breaker suitable for marine installations?
  Yes — its durable thermoplastic construction withstands harsh marine environments.
• Does it replace a standard inline fuse?
  Yes — it provides reusable, automatic overload protection without replacing fuses.