12V–48V Resettable DC Circuit Breaker 30A–300A – Manual Reset Battery & Audio Protection

This resettable DC circuit breaker is a must-have for any 12V or 24V build where you want proper protection without the spaghetti mess of inline fuses.

Designed for automotive, 4WD, camper, caravan, marine and car audio setups, this breaker protects your wiring and gear from overloads, short circuits and power surges. When it trips, you simply press the reset button — no blown fuses, no mucking around.

It also doubles as a handy isolation / kill switch, which is perfect for amps, winches, auxiliary batteries or accessories.

Built tough with a heat-resistant housing and solid metal terminals, this unit handles serious current while staying reliable in harsh environments.

Perfect for DIY blokes wiring up their rigs properly in the shed.