Description
Blue Sea 7204 AC/DC Breaker 10A | Boat Supply Store
Engineered for critical marine electrical systems, this 10 Amp single-pole breaker provides essential protection for both AC and DC circuits up to 277 Volts AC and 65 Volts DC, respectively. Its magnetic-hydraulic, trip-free mechanism ensures reliable operation and prevents nuisance tripping during fault conditions, vital for offshore fishing vessels navigating demanding conditions. This unit uniquely integrates the function of a circuit breaker with a manual switch, simplifying panel installations and enhancing safety for sensitive electronics.
Key Features
- Integrated Switch & Protection: Consolidates two essential electrical functions into a single, space-saving device.
- Electronics Protection: Quick Trip models specifically engineered for the sensitive demands of modern marine electronics.
- Absolute Fault Security: Trip Free design ensures the breaker cannot be manually held closed during a fault current event.
- Dual System Compatibility: Safely protects both AC and DC electrical circuits within specified voltage limits.
- Global Marine Standards Compliance: Meets stringent ABYC Standards and holds UL 1077, TUV, CE, and CSA certifications.
- High AC Voltage Capacity: Rated for AC systems up to 277 Volts, accommodating a wider range of shore power and generator inputs.
- Robust DC Voltage Handling: Supports DC systems up to 65 Volts, suitable for typical auxiliary and propulsion battery banks.
- Reliable Magnetic-Hydraulic Actuation: Offers consistent and dependable tripping characteristics, unaffected by ambient temperature variations.
Specifications
| Product Specifications | |
|---|---|
| Amperage | 10 Amp |
| AC Voltage Rating | 277 Volts AC |
| DC Voltage Rating | 65 Volts DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free |
| Poles | Single Pole |
| Certifications | ABYC Standards, UL 1077 Recognized, TUV Certified, CE marked, CSA Certified |
| Mounting Type | Panel Mount |
Who This Is For
Marine electricians and boat builders requiring a certified, dual AC/DC circuit breaker that also functions as a switch for consolidated panel design. Boat owners upgrading or installing electrical systems for sensitive electronics will benefit from its specialized protection and adherence to international marine safety standards.
How It Compares
| Feature | Blue Sea 7204 AC/DC Breaker 10A | Carling Technologies CA1 |
|---|---|---|
| Amperage | 10 Amp | 10 Amp |
| AC Voltage Rating | 277 Volts AC | 250V AC |
| DC Voltage Rating | 65 Volts DC | 50V DC, 24V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Thermal Magnetic |
| Certifications | ABYC, UL 1077, TUV, CE, CSA | UL Recognized, CSA Certified, VDE |
Common Concerns Answered
Is the price of the Blue Sea 7204 higher than other circuit breakers?
While the initial purchase price may be higher than basic thermal breakers, the Blue Sea 7204 justifies its cost with integrated switching capabilities, superior magnetic-hydraulic protection, and a comprehensive suite of marine-specific certifications, offering long-term value and safety.
Is this circuit breaker readily available in all amperage ratings?
The Blue Sea 7204 is a specialized unit designed for optimal performance; while common ratings like 10 Amp are generally well-stocked, always verify specific amperage availability for your project to ensure timely completion.
Why does this breaker cost more than a standard thermal breaker?
The Blue Sea 7204 utilizes a more advanced magnetic-hydraulic trip mechanism for faster, more reliable fault interruption, especially critical for electronics, and integrates switching functionality, providing superior performance and value compared to simpler thermal-only breakers.
Frequently Asked Questions
What is the maximum voltage this circuit breaker can handle for AC and DC applications?
This circuit breaker is rated for AC systems up to 277 Volts and DC systems up to 65 Volts.
Is this circuit breaker suitable for both AC and DC systems on a boat?
Yes, the Blue Sea 7204 is specifically designed to provide protection for both AC and DC electrical systems onboard, up to their respective voltage limits.
What certifications does the Blue Sea 7204 circuit breaker hold?
It meets ABYC Standards and is UL 1077 Recognized, TUV Certified, CE marked, and CSA Certified, ensuring compliance with rigorous marine safety requirements.
What does 'Trip Free' design mean for this circuit breaker?
A 'Trip Free' design means that the circuit breaker cannot be manually held in the ON position if a fault current condition is present, ensuring automatic disconnection and protecting the circuit.
Can this circuit breaker be used as a switch as well as protection?
Yes, the Blue Sea 7204 uniquely combines the functions of a circuit breaker for protection and a manual switch for circuit control into a single device, simplifying electrical panel layouts.
