Description
Blue Sea 7057 20A Thermal Breaker | Boat Supply Store
Secure 24-hour circuit protection on gasoline-powered vessels with this 20A push-button thermal circuit breaker. Its trip-free design prevents manual closure when overloaded, ensuring safety and preventing cascading failures. Featuring ignition protection, it's rated for continuous operation and integrates seamlessly with Blue Sea Systems' distribution panels, providing essential resettable protection for critical systems.
Key Features
- Trip-Free Design: Prevents manual closure when overloaded, ensuring circuit safety.
- Ignition Protected: Certified safe for installation on gasoline-powered vessels.
- 20A Amperage Rating: Delivers robust protection for moderate power circuits.
- Quick Connect Terminals: Facilitates rapid and secure electrical connections.
- Push-to-Reset Operation: Allows for easy restoration of power after a fault.
- 24-Hour Load Capability: Engineered for continuous circuit operation.
- Seamless Integration: Designed for use with Blue Sea Systems distribution panels.
- Reliable Thermal Protection: Automatically interrupts current under fault conditions.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 20A |
| Terminal Type | Quick Connect Terminals |
| Trip Free | Yes |
| Ignition Protected | Yes |
| Reset Type | Push to Reset |
| Voltage Rating | Not specified (standard marine DC voltages) |
| Number of Poles | 1 |
Who This Is For
Marine enthusiasts and boat owners requiring dependable, resettable circuit protection, especially for 24-hour loads on gasoline-powered vessels. Marine electricians will find this breaker ideal for safe and efficient installations.
How It Compares
| Feature | Blue Sea 7057 20A Thermal Breaker | Competitor |
|---|---|---|
| Amperage Rating | 20A | 25A, 20A |
| Terminal Type | Male Quick Connect | Male Quick Connect, Blade Terminals |
| Ignition Protected | Yes | Yes, Yes |
| Reset Type | Push to Reset | Push to Reset, Push to Reset |
Common Concerns Answered
Are there common issues with finding replacements for this breaker?
While occasional difficulty finding specific replacement units has been noted, the Blue Sea Systems 7057 is a widely stocked item at reputable marine suppliers like BoatSupplyStore.com, ensuring availability for your needs.
I prefer screw terminals for my installations, does this breaker offer that?
The Blue Sea 7057 features convenient quick-connect terminals for rapid installation; however, screw terminals are not a standard option for this specific model. Pre-made connectors or appropriate crimp sleeves can be used to adapt to existing wiring.
Is the price higher than a standard fuse holder?
The price of the Blue Sea 7057 circuit breaker reflects its advanced features, including ignition protection and a trip-free resettable design, which offer significantly enhanced safety and long-term value over simpler fuse holders, particularly for critical marine circuits.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 7057 circuit breaker?
The Blue Sea 7057 circuit breaker has an amperage rating of 20A.
What does 'trip free' design mean for this circuit breaker?
A 'trip free' design means that the circuit breaker cannot be manually held closed if an overload condition exists, preventing damage to the circuit and ensuring protection.
Is this circuit breaker ignition protected?
Yes, the Blue Sea 7057 is ignition protected, making it safe for installation on gasoline-powered boats where ignitable vapors may be present.
How do I reset the Blue Sea 7057 after it trips?
To reset the Blue Sea 7057 after it trips, simply push the button. The breaker will reset and restore power if the overload condition has been cleared.
What type of terminals does the Blue Sea 7057 use?
The Blue Sea 7057 utilizes quick-connect terminals for efficient and secure electrical connections. Male quick-connect terminals are included with the unit.
