40 Amp Inline Circuit Breaker, 12/24V DC Resettable Fuse with Manual Reset

40A inline circuit breaker safeguards 12V–24V DC systems from overloads & short circuits. Automatically trips at over-rated current to protect car audio, lighting and all connected electrical gear. Reusable manual reset design, no disposable fuses required. Quick power restoration via the red slide switch, cuts recurring fuse replacement costs for cars, boats and caravans. Robust high-strength plastic casing with IP65 splash, dust and moisture resistance for tough outdoor environments. Precision brass contacts deliver stable conductivity under heavy high-current loads. Fast inline installation on positive power cables, supplied with mounting bracket and matching Allen key for simple, hassle-free fitting in minutes. Wide 12V–24V compatibility: car audio amplifiers, marine boat gear, caravan & campervan electrical systems and other DC power accessories.