Description
Blue Sea 7225 AC/DC Circuit Breaker 40A | Boat Supply Store
Engineered for critical vessel electrical systems, this device functions as both a magnetic-hydraulic circuit breaker and a single-pole switch. It reliably protects AC circuits up to 277V and DC circuits up to 65V, with a robust 40 Amp rating. Meeting stringent international marine standards including ABYC and UL 1077 recognition, it's designed for applications requiring uncompromising safety and performance, such as protecting sensitive electronics on offshore fishing vessels navigating the Gulf of Mexico.
Key Features
- AC / DC Capable for dual system protection
- Meets ABYC Standards for marine compliance
- UL 1077 Recognized for recognized component safety
- TUV Certified for European market compliance
- CE Marked for adherence to European safety directives
- CSA Certified for Canadian electrical safety
- Trip Free Design prevents manual override of tripping
- 40 Amp Rating for substantial circuit protection
Specifications
| Product Specifications | |
|---|---|
| Amperage | 40 Amp |
| Poles | Single Pole |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free |
| Maximum AC Voltage | 277 Volts AC |
| Maximum DC Voltage | 65 Volts DC |
| Switch Cycles | 10,000 |
| Standards | ABYC |
| Certifications | UL 1077 Recognized, TUV Certified, CE marked, CSA Certified |
Who This Is For
Ideal for marine electricians and boat builders requiring compliant AC/DC circuit protection, as well as DIY owners upgrading or building out vessel electrical systems, particularly for powering sensitive electronics.
How It Compares
| Feature | Blue Sea 7225 AC/DC Circuit Breaker 40A | Competitor |
|---|---|---|
| Amperage | 40 Amp | 30 Amp, 40 Amp |
| Maximum AC Voltage | 277 Volts AC | 277 Volts AC, null |
| Maximum DC Voltage | 65 Volts DC | 65 Volts DC, 28V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Magnetic Hydraulic - Trip Free, Magnetic |
| ABYC Standards | Meets | Meets, null |
| UL 1077 Recognized | Yes | Yes, null |
| TUV Certified | Yes | Yes, null |
| CE Marked | Yes | Yes, null |
| CSA Certified | Yes | Yes, null |
Common Concerns Answered
Is the price higher than basic DC breakers?
While the Blue Sea 7225 may have a higher initial cost compared to DC-only breakers, its dual AC/DC capability and comprehensive international marine certifications (ABYC, UL, TUV, CE, CSA) offer significant value and compliance for critical electrical systems.
Is the 'standard' delay suitable for all electronics?
The 'standard' delay on this circuit breaker is designed for robust protection. For extremely sensitive electronics that require an exceptionally fast trip response, users might consider specific 'Quick Trip' models available from Blue Sea Systems, though this 7225 model offers excellent general-purpose protection.
Why choose a magnetic-hydraulic breaker?
Magnetic-hydraulic breakers, like the Blue Sea 7225, provide reliable circuit protection through a magnetic trip mechanism that responds to overloads and a hydraulic delay to prevent nuisance tripping from temporary current surges, offering a balance of sensitivity and stability.
Frequently Asked Questions
What is the maximum voltage this circuit breaker can handle for AC and DC applications?
The Blue Sea 7225 AC / DC Single Pole Magnetic World 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 systems?
Yes, the Blue Sea 7225 is explicitly designed for both AC and DC applications, offering versatile protection for a vessel's combined electrical systems.
What certifications does the Blue Sea 7225 circuit breaker hold?
This circuit breaker holds multiple certifications, including meeting ABYC standards, being UL 1077 Recognized, TUV Certified, CE marked for Europe, and CSA Certified for Canada.
What does 'Trip Free' design mean for this circuit breaker?
'Trip Free' design means that the circuit breaker cannot be held in the closed position when an overload or fault condition occurs, ensuring it will always open to protect the circuit.
What is the rated switch cycle for this circuit breaker?
The Blue Sea 7225 circuit breaker has a rated switch cycle of 10,000 cycles, indicating its durability for repeated switching operations.
