Xscorpion CB-300TB
300 Amp Inline Circuit Breaker with Terminal Blocks
Specifications:
In-Line Water-Resistant Circuit Breaker with Terminal Block
1/0, 2, 4 Gauge Input/Output
Platinum Plated Terminal
Eliminates the Need to Replace Blown Fuses
Low-Resistance, High-Current Ability
Set Screw Style Connection - (no need to use ring terminals)
Manual Reset Design with High-Visibility Switch
Water-Resistant Black Plastic Housing
Marine Rated Corrosion Resistance
Integrated Holes for Simple Mounting
Photo shows 200 amp but this listing is for 300 amp)
This breaker will eliminate the need to replace blown fuses, and is easy to reset with the push of a button.  This circuit breaker has a 1/0, 2, or 4 Gauge Input/Output and does not require ring terminals.  This circuit breaker also has a Marine Rated Corrosion Resistance.