SKU: CW75121
UPC: 632085074432
MPN: 7443
The Blue Sea 7443 UL-489 Circuit Breaker – 20A Flat Rocker is an essential electrical safety component for any serious boater or marine operator. Reliable circuit protection is crucial when your life depends on electrical systems at sea, making this breaker a must-have for offshore and coastal vessels.
This UL-489 rated breaker provides overload and short-circuit protection for your boat's 12V or 24V DC electrical distribution, preventing fires and equipment damage caused by electrical faults. Engineered with a flat rocker toggle design, it is easy to operate even when wearing gloves or in rough seas. Its compact form factor fits standard marine electrical panels without requiring extensive modifications.
Whether you're rewiring an aging fishing boat, upgrading a center console, or building out a complete electrical distribution panel, the 20A rating is suitable for auxiliary circuits like navigation lights, bilge pumps, VHF radios, and cabin lighting. Experienced captains and marine electricians trust Blue Sea circuit breakers for their reliability in environments where saltwater corrosion and vibration are concerns.
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