Description
Blue Sea 7441 10A UL-489 Circuit Breaker | Boat Supply Store
Engineered for critical systems where utmost reliability is non-negotiable, this breaker provides superior safety certified to UL-489 standards. It features a 10A DC amperage rating and a robust magnetic hydraulic trip-free mechanism, ensuring dependable protection against overcurrents up to 80V DC. Ideal for safeguarding essential electronics on U.S. Navy, Army, and Coast Guard vessels operating in demanding maritime environments.
Key Features
- UL-489 Listed for critical applications demanding the highest safety certifications.
- 10A DC Amperage Rating precisely matches requirements for many DC circuits.
- Flat Rocker Actuator offers a low-profile, easy-to-operate interface.
- 1 Pole Configuration for single-circuit protection.
- 80V DC Maximum Voltage rating supports higher voltage DC systems.
- Magnetic Hydraulic - Trip Free operation guarantees reliable interruption regardless of handle position.
- Tin-Plated Brass #10-32 Screw Terminals ensure secure, corrosion-resistant electrical connections.
- 10000A Interrupt Capacity provides robust protection against severe short circuits.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Model | 7441 |
| Amperage Rating | 10A DC |
| Voltage Rating | 80V DC Max |
| Pole Configuration | 1 |
| Actuator Style | Flat Rocker |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free |
| Terminal Type | #10-32 Screw Terminals |
| Interrupt Capacity | 10000A |
| Safety Certification | UL-489 Listed |
Who This Is For
Marine professionals and boat owners requiring highly reliable and certified circuit protection for critical systems, specifically those operating on Navy, Army, Coast Guard vessels, and other vessels covered under CFR 46.
How It Compares
| Feature | Blue Sea 7441 10A UL-489 Circuit Breaker | Blue Sea 7440 UL |
|---|---|---|
| Amperage | 10A DC | 10A DC |
| Actuator Style | Flat Rocker | Toggle |
| Maximum Voltage | 80V DC | 80V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Magnetic Hydraulic - Trip Free |
| UL-489 Listing | Yes | Yes |
| Interrupt Capacity | 10000A | 10000A |
Common Concerns Answered
Why is availability sometimes an issue for UL-489 listed components?
Due to their enhanced safety features and stringent certification, UL-489 listed circuit breakers are in high demand for critical marine applications, which can occasionally lead to temporary stock limitations.
Is the higher price point justified for this breaker?
Yes, the premium price reflects the superior safety and reliability of UL-489 certification, making it an essential investment for protecting critical systems where standard breakers are insufficient.
How does the magnetic hydraulic trip-free mechanism benefit me?
The magnetic hydraulic operation ensures reliable tripping based on current surges, and the 'trip-free' design means the breaker cannot be held closed during a fault, providing crucial protection for your vessel's electrical systems.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7441 circuit breaker?
The Blue Sea 7441 circuit breaker has an interrupt capacity of 10000A, meaning it can safely interrupt a short circuit fault current of up to 10,000 amperes.
What type of actuator does the Blue Sea 7441 circuit breaker have?
The Blue Sea 7441 circuit breaker features a flat rocker style actuator for easy and low-profile operation.
What is the maximum DC voltage rating for the Blue Sea 7441 circuit breaker?
The maximum DC voltage rating for the Blue Sea 7441 circuit breaker is 80V DC.
What is the amperage rating of the Blue Sea 7441 circuit breaker?
The Blue Sea 7441 circuit breaker is rated for 10A DC.
Why are UL-489 specifications important for marine circuit breakers?
UL-489 specifications ensure the circuit breaker is designed and tested to meet stringent safety standards for use in marine environments, particularly for critical systems where failure is not an option. This certification guarantees a higher level of protection against electrical faults and fire hazards.
