Three Eighths Inch 300 Amp Auto Circuit Breaker With Manual Reset For Auto Audio Truck RV Solar Marine IP67 Waterproof 12V 48V DC UL Certified And Durable Build

3/8-Inch 300A Auto Circuit Breaker with Manual Reset
✔️ Single unit, 3/8 in studs, surface mount, manual reset

This high-current auto circuit breaker protects DC power systems in boats, RVs, trucks, ATVs, and trailers. It delivers reliable overload protection for winches, audio systems, and battery banks, with a manual reset for easy re-engagement.

✅ 300 Amp capacity with manual reset
✅ Voltage range 12V-48V DC; 2,500A @14V, 1,500A @48V
✅ 3/8" stainless steel studs with protective insulator
✅ Surface mount, ignition protected, SAE J1625/J1171, UL1500
✅ Thermoplastic housing UL 94V0; operates -32°C to 82°C
✅ Ideal for boats, RVs, ATVs, trucks, trailers, winches, and car audio

💡 What is a high current DC circuit breaker and why would you choose one? This handy overview explains practical uses in common power setups. - Protects DC circuits from overloads and short circuits in harsh environments - Supports 12-48V systems typical in boats, RVs, and automotive apps - Manual reset for simple testing and controlled restart - Durable, ignition-protected housing with robust 3/8 in studs