Blue Sea 7458 UL-489 Circuit Breaker – 30A Flat Rocker

Reliable UL-489 Certified Protection for Marine AC Systems

The Blue Sea 7458 UL-489 Circuit Breaker – 30A Flat Rocker is built for dependable performance in demanding marine electrical environments. Meeting UL-489 specifications, it is approved for Navy, Army, Coast Guard, and vessels covered under CFR 46. This breaker ensures precise protection against overloads and short circuits while integrating seamlessly into Blue Sea 360 panel systems. Its flat rocker design provides a low-profile installation with clear ON/OFF status indication.

Key Features

• Amperage: 30A AC – provides reliable branch circuit protection for onboard outlets, appliances, and shore power feeds.
• Voltage: Rated for up to 240V AC, 50/60 Hz single- or split-phase systems.
• Trip-Free Design: Breaker trips automatically under fault conditions and cannot be held in the ON position.
• UL-489 Certified: Compliant with ABYC standards and U.S. Coast Guard regulations for marine electrical safety.
• Actuator Style: Flat rocker toggle for space-saving, low-profile panel integration.
• Interrupt Capacity: 5000A for robust circuit protection.
• Terminal Type: #10-32 screw tin-plated brass terminals for secure and corrosion-resistant connections.
• Panel Compatibility: Designed for Blue Sea 360 Panel Systems and other compatible marine-grade breaker panels.

Compatibility

• Fits Blue Sea Systems 360 Panel Series.
• Compatible with marine AC distribution panels, subpanels, and shore power installations.
• Suitable for vessels requiring UL-489 compliant breakers under CFR 46 regulations.

Ideal Use Cases

• Marine AC distribution systems
• Inverter and generator circuit protection
• Shore power and subpanel installations
• RV, Navy, Army, and Coast Guard vessels requiring UL-489 protection

Why It Matters

Unprotected marine AC circuits are at risk of overload, short circuits, and potential fire hazards. The Blue Sea 7458 UL-489 Circuit Breaker delivers safety, reliability, and compliance with the highest marine standards. Its trip-free design ensures that faults cannot be bypassed, providing complete peace of mind when powering essential onboard systems.

Frequently Asked Questions

Can this breaker be used in both 120V and 240V systems?

Yes. It is rated for 120/240V AC at 50/60 Hz and works in both single- and split-phase systems.

What does “trip-free” mean?

It means the breaker will trip automatically under a fault, even if you attempt to hold it in the ON position. This ensures maximum safety against overloads and shorts.