Description
Blue Sea 7446 100A UL-489 Circuit Breaker | Boat Supply Store
For applications demanding uncompromising electrical protection, this Blue Sea 7446 circuit breaker ensures regulatory compliance and system integrity. It features a robust 100A DC rating and a sophisticated magnetic hydraulic trip-free mechanism, guaranteeing reliable operation under fault conditions. Essential for vessels operating under stringent requirements, such as those used by Navy or Coast Guard, this breaker offers a critical layer of safety for demanding marine environments.
Key Features
- UL-489 Listed for critical and demanding marine applications.
- 100A DC Amperage rating for high-power DC systems.
- Flat Rocker actuator style for intuitive operation and panel integration.
- 10000A Interrupt Capacity to safely de-energize fault currents.
- Magnetic Hydraulic - Trip Free operation prevents manual overriding of circuit protection.
- Tin-Plated Brass #10-32 Screw Terminals ensure secure and corrosion-resistant electrical connections.
- 80V DC maximum voltage rating suitable for advanced DC systems.
- Single-pole configuration for straightforward circuit isolation.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| MPN | 7446 |
| Amperage Rating | 100A DC |
| Voltage Rating | 80V DC |
| Pole Configuration | 1 |
| Actuator Style | Flat Rocker |
| Trip Mechanism | Magnetic Hydraulic - Trip Free |
| Interrupt Capacity | 10000A |
| Terminal Type | #10-32 Screw |
| Terminal Material | Tin-Plated Brass |
| Certifications | UL-489 Listed |
Who This Is For
Marine professionals and boat owners requiring robust, certified electrical protection for vessels operating under stringent regulations. This includes users of Navy, Army, or Coast Guard vessels, or any vessel covered under CFR 46.
How It Compares
| Feature | Blue Sea 7446 100A UL-489 Circuit Breaker | Competitor |
|---|---|---|
| Amperage | 100A DC | 100A DC, Up to 100A DC |
| Maximum Voltage | 80V DC | 80V DC, 32V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Magnetic Hydraulic - Trip Free, Thermal |
| UL-489 Listed | Yes | No, No |
| Actuator Style | Flat Rocker | Toggle, Toggle |
Common Concerns Answered
Why is the UL-489 certification important for this breaker?
UL-489 listing signifies that this circuit breaker has undergone rigorous testing and meets stringent safety standards for use in critical marine applications where failure is not an option, ensuring compliance with demanding regulations.
Is this breaker more expensive than standard options?
Yes, UL-489 certified breakers, like the Blue Sea 7446, carry a higher price point due to the exhaustive testing and superior performance required for critical applications, representing a necessary investment in safety and compliance.
Can I easily find this specialized breaker?
While specialized certifications can sometimes affect immediate availability, the Blue Sea 7446 is a key component for regulated vessels, and proactive purchasing is recommended for critical projects.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7446 circuit breaker?
The Blue Sea 7446 circuit breaker has an interrupt capacity of 10000A, meaning it can safely interrupt and de-energize fault currents up to this level.
What type of actuator does the Blue Sea 7446 circuit breaker have?
The Blue Sea 7446 circuit breaker features a Flat Rocker actuator style.
What is the maximum voltage rating for the Blue Sea 7446 circuit breaker?
The maximum voltage rating for the Blue Sea 7446 circuit breaker is 80V DC.
What terminal type is used on the Blue Sea 7446 circuit breaker?
The Blue Sea 7446 circuit breaker utilizes #10-32 Screw terminals made from tin-plated brass.
Why are UL-489 specifications important for marine circuit breakers?
UL-489 specifications are critical for marine circuit breakers because they ensure adherence to strict safety and performance standards required for demanding and potentially hazardous marine electrical systems, guaranteeing reliability and protection in harsh environments.
