Out of stock
SKU: CW79225
UPC: 035514424486
MPN: 420839-1
The Sea-Dog Thermal AC/DC Circuit Breaker with Splash Guard Boot is a compact, resettable electrical protection device engineered for marine, automotive, and industrial 12V/24V DC and 120V/240V AC applications. Unlike single-use fuses, this thermal circuit breaker trips automatically when excess current threatens your electrical circuit, then resets instantly once the fault is cleared—eliminating downtime and replacement costs in the field.
Built with molded Bakelite construction, this breaker combines vibration and shock resistance with a molded splash guard boot that shields terminals from saltwater spray, moisture, and corrosion—critical for saltwater environments where conventional breakers fail. The push-to-reset lever design allows one-hand operation without tools, and the quick-connect terminal style accommodates standard spade lugs for rapid installation and field repairs. Compact panel-mount form factor saves space in cramped electrical enclosures aboard vessels, in vehicle auxiliary power systems, or in portable power distributions.
This breaker serves operators, maritime technicians, vehicle outfitters, and off-grid system builders who need economical circuit protection without sacrificing reliability. Marine crews working offshore, emergency response teams managing backup power, and off-road recovery specialists rely on thermal breakers because they respond consistently to current overload—no nuisance trips from vibration, and no need to stock replacement fuses. The combination of resettable operation, weather-sealed design, and straightforward push-reset interface makes this Sea-Dog breaker a standard choice where uptime matters more than cost.
Thermal breakers occupy a middle ground in the electrical protection spectrum. They provide faster response than older magnetic designs while offering lower cost and simpler installation than solid-state electronic breakers. Sea-Dog's reputation for marine-grade durability ensures this unit performs in salt-air corrosion conditions where cheaper alternatives corrode within months.
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