300A Heavy duty Manual Reset Circuit Breaker

A 300A high-amp manual reset circuit breaker is a waterproof, surface-mount device for 12V-48V DC systems, designed to replace fuses in marine, RV, and automotive applications. It features a button to manually trip/disconnect the circuit and a lever to reset it. It is ideal for protecting trolling motors and large audio systems. 

Key Features & Installation

• Operating Voltage: 12V - 48V DC.
• Capacity: 300 Amps.
• Installation: Mounts on a panel or firewall. Connect the battery side to the power source and the "AUX" side to the accessory.
• Reset Mechanism: If the circuit breaks, push the lever back in to reset.
• Manual Disconnect: Press the button to trip the breaker manually for maintenance.
• Connections: Uses M6 or 3/8" studs. 

Important Notes

• Safety: The device is designed to prevent damage from power surges.
• Continuous Load: While rated for 300A, some models may perform best at lower continuous loads to avoid overheating.
• Environment: Typically rated IP67 for water resistance, suitable for engine compartments. 

Operating Instructions

1. To Trip: Press the button. The lever will pop out.
2. To Reset: Push the lever back in until it locks.