Description
Blue Sea 7220 30A AC/DC Magnetic Breaker | Boat Supply Store
This single-pole magnetic-hydraulic circuit breaker is engineered for critical AC and DC marine electrical systems requiring robust protection. It integrates switching and overcurrent protection, operating reliably under fault conditions due to its trip-free design. Rated for 277V AC and 65V DC, with a durability of 10,000 switch cycles, it meets stringent global standards including ABYC, UL 1077, TUV, CE, and CSA, ensuring dependable operation on vessels operating in demanding coastal or offshore environments.
Key Features
- Reliable AC / DC Single Pole Magnetic World Circuit Breaker for dual-voltage systems.
- Certified to meet all American Boat and Yacht Council (ABYC) Standards for marine safety.
- Globally Compliant with UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.
- Integrated Functionality combining essential switching and circuit protection into a single unit.
- Enhanced Protection with Single Pole Quick Trip models specifically designed for sensitive electronics.
- Fail-Safe Operation featuring a Trip Free design that cannot be held ON during a fault.
- Durable Construction utilizing a Magnetic Hydraulic - Trip Free circuit breaker mechanism.
- Long-Lasting Performance rated for 10,000 switch cycles at its specified amperage and voltage.
Specifications
| Product Specifications | |
|---|---|
| Amperage | 30 Amp |
| AC Voltage Rating | 277V AC |
| DC Voltage Rating | 65V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free |
| Switch Cycles | 10,000 |
| Standards | ABYC, UL 1077, TUV, CE, CSA |
Who This Is For
Marine electricians, boat owners, and boat builders who demand certified and dependable circuit protection for AC and DC electrical systems up to 30 amps. It is ideal for installations requiring compliance with rigorous marine safety standards and integrated switching functionality.
How It Compares
| Feature | Blue Sea 7220 30A AC/DC Magnetic Breaker | Carling Technologies CA1 |
|---|---|---|
| Amperage | 30 Amp | 30 Amp, 10 Amp |
| Maximum Voltage AC | 277 Volts AC | 240 Volts AC, 250 Volts AC |
| Maximum Voltage DC | 65 Volts DC | 50 Volts DC, 48 Volts DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Thermal Magnetic, Thermal Magnetic |
| ABYC Standards | Meets | Not Specified, Not Specified |
| UL Certification | UL 1077 Recognized | Not Specified, Not Specified |
| TUV Certification | Certified | Not Specified, Not Specified |
| CE Marking | Marked | Not Specified, Not Specified |
| CSA Certification | Certified | Not Specified, Not Specified |
Common Concerns Answered
Why is this circuit breaker priced higher than basic models?
The Blue Sea 7220 offers a premium magnetic-hydraulic, trip-free design and holds multiple global certifications (ABYC, UL, TUV, CE, CSA), ensuring superior reliability, safety, and compliance for critical marine electrical systems, which justifies the investment over standard thermal-magnetic breakers.
Are specific amperage ratings for this breaker readily available everywhere?
While the Blue Sea 7220 is a widely recognized product, availability of all specific amperage ratings can vary by retailer. It is recommended to verify stock for the precise amperage required for your application.
Is this breaker suitable for older boats with lower DC voltage systems?
Yes, the Blue Sea 7220 is rated for up to 65V DC, making it suitable for most modern and many older DC systems commonly found on recreational vessels.
Frequently Asked Questions
What is the maximum voltage this circuit breaker can handle?
This circuit breaker is rated for a maximum of 277 Volts AC and 65 Volts DC.
Is this circuit breaker suitable for both AC and DC applications?
Yes, the Blue Sea 7220 is explicitly designed as an AC/DC single-pole circuit breaker, making it versatile for use in both alternating and direct current marine electrical systems.
What certifications does the Blue Sea 7220 circuit breaker have?
The Blue Sea 7220 circuit breaker is certified to meet ABYC Standards, is UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.
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 exists, ensuring immediate and automatic disconnection to protect the circuit and equipment.
What is the rated switch cycle for this breaker?
This circuit breaker is rated for 10,000 switch cycles at its specified rated amperage and voltage, indicating a long operational lifespan under normal use conditions.
