Description
Blue Sea 7239 AC Double Pole Circuit Breaker | Boat Supply Store
Protect critical AC systems from overload with the Blue Sea 7239 A-Series Double Pole Toggle, engineered for robust marine environments. This 40A breaker provides simultaneous switching and protection for both conductors of a 120V AC circuit, featuring a critical trip-free design that prevents manual defeat of overcurrent protection. Meeting stringent ABYC, UL 1077, TUV, CE, and CSA standards, it ensures compliance and reliability for main AC power distribution on vessels operating in offshore conditions.
Key Features
- Simultaneous double pole switching and protection for AC circuits.
- High-capacity 40A amperage rating handles significant electrical loads.
- Trip-free design ensures overcurrent protection cannot be overridden.
- Marine-grade construction built for demanding environments.
- ABYC compliant for adherence to recreational boating standards.
- UL 1077 recognized for supplementary protection applications.
- CE marked and TUV certified for international electrical safety.
- CSA certified for additional product safety assurance.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Model | 7239 A-Series |
| Type | Double Pole Toggle Circuit Breaker |
| Amperage Rating | 40A |
| Poles | 2 |
| Color | Black |
| Trip-Free Design | Yes |
| AC Main Protection | Yes |
| Certifications | ABYC, UL 1077, TUV, CE, CSA |
Who This Is For
Marine electricians and boat builders requiring certified and reliable AC main circuit protection for vessels. Boat owners seeking to upgrade or replace existing AC circuit protection with a compliant and robust solution.
How It Compares
| Feature | Blue Sea 7239 AC Double Pole Circuit Breaker | Competitor |
|---|---|---|
| Poles | 2 | 1, 2 |
| Amperage | 40A | 40A, 10A |
| Type | Toggle | Toggle, Toggle |
| AC Main Protection Capability | Yes | No (Single Pole), Yes |
| Trip Free Design | Yes | Yes, Yes |
Common Concerns Answered
Is the Blue Sea 7239 breaker cost-effective compared to non-marine breakers?
While the initial investment for marine-grade breakers like the Blue Sea 7239 may be higher than general-purpose breakers, its specific design, certifications (ABYC, UL 1077, TUV, CE, CSA), and trip-free functionality offer superior long-term reliability and safety crucial for marine applications, justifying the cost for critical AC protection.
Will this breaker fit my existing electrical panel?
The Blue Sea 7239 A-Series utilizes standard panel cut-out dimensions for A-Series breakers. It is recommended to measure your existing panel cut-out dimensions precisely and consult the product manual or specifications for exact requirements to ensure proper retrofitting or integration.
What are the benefits of a 'trip-free' design?
A 'trip-free' design ensures that the circuit breaker cannot be manually held in the 'ON' position when an overcurrent fault condition exists. This vital safety feature prevents damage to your electrical system and potential fire hazards by guaranteeing that the breaker will trip and interrupt the circuit as intended.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 7239 A-Series Double Pole Toggle?
The Blue Sea 7239 A-Series Double Pole Toggle has an amperage rating of 40A.
What certifications does the Blue Sea 7239 A-Series Double Pole Toggle have?
The Blue Sea 7239 A-Series Double Pole Toggle holds multiple certifications including ABYC standards, UL 1077 recognition, TUV certification, CE marking, and CSA certification.
Can the Blue Sea 7239 A-Series Double Pole Toggle be used for AC main circuit protection?
Yes, the Blue Sea 7239 A-Series Double Pole Toggle is specifically designed and suitable for AC main circuit protection, offering simultaneous switching and protection for both conductors.
What does 'trip free' design mean for this circuit breaker?
A 'trip-free' design means the circuit breaker cannot be manually held in the closed position during an overcurrent or short circuit condition; it will always trip to the open position to protect the circuit.
Is this circuit breaker suitable for use in marine electrical panels?
Yes, this circuit breaker is specifically manufactured by Blue Sea Systems and meets stringent marine industry standards (ABYC, UL 1077, etc.), making it highly suitable for use in marine electrical panels requiring reliable AC protection.
