Description
Blue Sea 7459 50A UL-489 Breaker | Boat Supply Store
For critical marine electrical systems requiring the highest level of safety and reliability, this Blue Sea Systems 7459 breaker is engineered to meet stringent UL-489 specifications, a standard often mandated for Navy, Army, and Coast Guard vessels. It provides 50A AC protection with a 5000A interrupt capacity, ensuring robust performance even under fault conditions. The magnetic hydraulic, trip-free mechanism guarantees protection when you need it most, making it essential for vessels operating under CFR 46 regulations.
Key Features
- Certified for critical marine applications under UL-489 standards
- Robust 50A AC amperage rating for high-demand circuits
- Intuitive flat rocker actuator for easy operation
- Single pole configuration for straightforward circuit control
- High voltage compatibility up to 240V AC
- Reliable magnetic hydraulic, trip-free operation
- Secure terminals with tin-plated brass #10-32 screws
- Superior safety with 5000A interrupt capacity
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Amperage Rating | 50A AC |
| Voltage Rating | 240V AC Max |
| Pole | 1 Pole |
| Actuator Style | Flat Rocker |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free |
| Terminal Type | #10-32 Screw Tin-Plated Brass |
| Interrupt Capacity | 5000A |
| UL Listing | UL-489 |
Who This Is For
Marine professionals and boat owners who require certified and exceptionally reliable electrical protection for official vessels such as Navy, Army, or Coast Guard ships, or any vessel operating under CFR 46 regulations.
How It Compares
| Feature | Blue Sea 7459 50A UL-489 Breaker | Cole Hersee |
|---|---|---|
| Amperage | 50A AC | 50A DC |
| Voltage | 240V AC | 12V DC |
| UL Listing | UL-489 | Not specified |
| Actuator Style | Flat Rocker | Push-to-reset |
| Interrupt Capacity | 5000A | Not specified |
Common Concerns Answered
Why is the Blue Sea 7459 breaker more expensive than other options?
The higher price point reflects its critical UL-489 certification, which is a stringent safety standard ensuring superior reliability for high-risk marine electrical applications where standard breakers are insufficient. This certification is essential for compliance with regulations like CFR 46.
Is this breaker always readily available in all amperages?
While highly sought after, availability of specific UL-489 amperage ratings can sometimes be limited due to their specialized nature and manufacturing requirements, underscoring the importance of securing certified components when needed.
How does the customer sentiment reflect the value of this product?
Customers consistently value the exceptional build quality and unwavering adherence to strict safety benchmarks like UL-489, particularly recognizing its critical role in protecting vital electrical systems on board.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7459 circuit breaker?
The Blue Sea 7459 circuit breaker features a substantial interrupt capacity of 5000A, crucial for safely managing high fault currents.
What type of actuator does the Blue Sea 7459 circuit breaker have?
The Blue Sea 7459 circuit breaker is equipped with a flat rocker actuator for straightforward operation and clear status indication.
What is the maximum voltage rating for the Blue Sea 7459 circuit breaker?
This circuit breaker is rated for a maximum voltage of 240V AC, suitable for a range of AC power systems on vessels.
What are the terminal types on the Blue Sea 7459 circuit breaker?
The Blue Sea 7459 circuit breaker utilizes #10-32 screw terminals constructed from tin-plated brass for secure and corrosion-resistant electrical connections.
Why are UL-489 specifications important for this circuit breaker?
UL-489 specifications are critical as they denote that the circuit breaker has undergone rigorous testing and certification for use in critical marine electrical applications, ensuring a higher level of safety and reliability compared to standard breakers.
