Blue Sea Systems 285 Series Surface Mount Circuit Breaker, 48V DC - Available in 80 Amp and 100 Amp

The Blue Sea Systems 285 Series Surface Mount Circuit Breaker combines an ON/OFF switch with reliable overcurrent protection in a single, compact unit built for 48 Volt DC marine electrical systems. Designed for surface mounting with terminal studs on the face of the breaker for straightforward wiring access, the 285 Series is trip-free, meaning the switch cannot be forced or held ON during a fault, so your circuit stays protected no matter what. Every unit is ignition protected and water resistant, making it suitable for installation in engine rooms, helm stations, battery compartments, and other demanding onboard locations. Choose the 80 Amp or 100 Amp version to match the load and wire gauge of the circuit you are protecting, whether that is a windlass, thruster, inverter, or another high-draw 48V DC system.

Specifications

• Brand: Blue Sea Systems
• Series: 285 Series
• Voltage: 48 Volts DC
• Number of Poles: 1
• Circuit Breaker Type: Standard
• Mounting Type: Surface Mount
• Trip Feature: Trip-Free (cannot be held ON during a fault)
• Ignition Protected: Yes
• Water Resistant: Yes
• Warranty: Five-year manufacturer warranty

Sizes & Options

This circuit breaker line is available in two amperage ratings: 80 Amp and 100 Amp. Select the rating that matches the maximum continuous current draw and wire gauge of the circuit you are protecting; consult your system's wiring diagram or an ABYC-compliant sizing chart to confirm the correct breaker for your 48V DC application. Both versions share the same 285 Series surface-mount form factor, trip-free switch operation, and ignition-protected, water-resistant construction.