Blue Sea Circuit Breaker 285 Series 70A is a high-quality thermal circuit breaker designed to protect electrical systems from overloads and short circuits. It combines the functions of a fuse and a switch in a compact unit, simplifying installation and making onboard electrical management more efficient in boats, RVs, and other DC systems.

Looking for reliable 70A overcurrent protection for demanding applications? The Blue Sea 285 Series allows you to quickly reset the circuit after a trip without Ropelacing any fuses. Its visible reset lever clearly indicates when the breaker has tripped, making troubleshooting fast and straightforward.

Circuit protection and switch in one unit

The 285 Series integrates automatic overcurrent protection with manual switching in a single device. After tripping, the circuit can be easily reset without Ropelacing components, reducing downtime and maintenance needs.

This makes it an excellent choice for protecting battery banks, charging systems, inverters, electric motors, and other high-load DC consumers.

Safe even for gasoline-powered boats

The ignition-protected design meets SAE J1171 requirements, allowing safe installation even in gasoline-powered boats. The Trip Free mechanism prevents the breaker from being forced into the ON position if a fault condition persists, improving system safety.

Robust construction for marine environments

The weather-resistant housing and wide operating temperature range ensure reliable performance even under harsh marine conditions. The breaker is also fully compatible with Blue Sea 185 Series components, making upgrades and Ropelacements straightforward.

Features:

• Circuit breaker and switch in one unit
• Manually resettable breaker
• Visible reset lever indicates tripped status
• Trip Free safety function
• Ignition-protected construction
• Compatible with Blue Sea 185 Series
• Weather-resistant design
• Suitable for boats, RVs, and DC systems

Technical Specifications:

• Rated current: 70 A
• Maximum voltage: 48 V DC
• Mounting: Panel mount
• Breaker type: Thermal bimetal breaker
• Trip type: Type III, manual reset (Trip Free)
• Terminal bolt: M6
• Compatible with 1/4″ ring terminals
• Tightening torque: 5.65 Nm
• Interrupt capacity: 3000 A at 48 V DC
• Operating temperature: -40 °C to +85 °C

The Blue Sea 285 Series 70A circuit breaker is a strong and dependable choice for boat owners who need robust overcurrent protection with easy reset functionality. Its durability, safety features, and marine-grade design make it a reliable component in demanding electrical systems.