Blue Sea A-Series White Toggle Circuit Breakers – Single Pole (5A–50A)

The Blue Sea Systems A-Series White Toggle Circuit Breakers are the marine industry standard for dependable circuit protection and switching. Designed to meet ABYC standards, these breakers combine switching and circuit protection into a single compact device — ideal for use in Blue Sea Systems electrical panels and other onboard applications.

Each breaker features a magnetic-hydraulic, trip-free design, meaning the toggle cannot be held “ON” during a fault condition. Built with corrosion-resistant stainless steel hardware and a white toggle actuator, these breakers are purpose-built for harsh marine environments and extended service life.

Available in a range of amperages from 5A to 50A, the A-Series offers consistent performance for both AC (240V) and DC (32V) systems.

Key Features

• Meets American Boat and Yacht Council (ABYC) standards

• Combines switch and circuit protection in one unit

• Trip-free safety design prevents the breaker from staying “ON” during overloads

• Durable white toggle actuator for clear circuit identification

• Rated for 240V AC / 32V DC

• Stainless steel hardware for marine corrosion resistance

• Tested for over 10,000 switching cycles

• Compatible with Blue Sea Systems electrical panels

Available Amperages

5A, 10A, 15A, 20A, 25A, 30A, 40A, 50A

Typical Applications

• Marine and RV electrical panels

• Battery protection circuits

• Accessory and lighting systems

• Instrument and control panels

Specifications

• Type: Magnetic-hydraulic, trip-free

• Voltage Rating: 240V AC / 32V DC

• Interrupt Capacity: 3,000A @ 120V AC, 7,500A @ 65V DC

• Operating Temperature: –40°C to 85°C

• Mounting Screw: #6-32 stainless steel

• Terminal Screw: #10-32 stainless steel

• Certifications: CE, CSA, TUV, UL 1077