Blue Sea Systems 7182-285 Series Thermal Circuit Breaker | Surface Mount, 48V DC, 40A

Overview

Meet the Blue Sea Systems 7182-285 Series Thermal Circuit Breaker, a compact unit that fuses switching and circuit protection into a single, reliable device. With a surface-mount design rated for 48V DC and up to 40A, this breaker helps keep control panels clean while delivering dependable protection for mid-range marine circuits.

Practical design and protection features

The breaker features a visible lever that clearly indicates when it has tripped, and a trip-free mechanism that prevents the switch from being held ON during a fault. This combination supports straightforward fault awareness and safe restart after interruptions. The unit is ignition protected and water resistant, enabling installation in a variety of environments, including engine rooms of gasoline-powered boats.

• Combine switching and circuit protection into a single unit
• Drop-in replacement for 185 series breakers
• Trip-Free; cannot be held ON with a fault
• Ignition protected; suitable for engine rooms of gasoline-powered boats
• Terminal studs on the face with protective caps for safe, easy wiring

Why it works in marine setups

Designed for rugged marine use, the 7182-285 brings together practical features that support everyday reliability. The visible trip indicator helps with quick checks during routine maintenance or after a fault, while the surface-mount footprint saves panel space. The ignition protection and water resistance expand placement options, from control panels to engine rooms where moisture and ignition risk are considerations. A five-year warranty adds long-term confidence to the investment.

• Visible lever provides at-a-glance trip status
• Compact surface-mount design saves panel real estate
• Water resistant construction suitable for marine environments
• Five-year warranty for sustained support

In practice, you may rely on the 7182-285 to protect windlasses, electric winches, and other mid-range loads, while keeping wiring neat and installation straightforward. It’s a thoughtful balance of protection, control, and ease of use for demanding marine applications.