Description
Blue Sea 30A Thermal Circuit Breaker | Boat Supply Store
For reliable protection of auxiliary circuits on vessels operating in demanding marine environments, this 30 Amp thermal circuit breaker from Blue Sea Systems is engineered with a robust 'trip-free' mechanism. This feature ensures the breaker cannot be manually held in the closed position after tripping, thereby preventing catastrophic system overload or fire hazards. Its surface mount design simplifies integration into existing electrical panels, and the visible reset lever provides immediate visual confirmation of an open circuit status, critical for swift troubleshooting on a Bertram 35 or a sportfishing boat offshore.
Key Features
- 30 Amp Rating for robust circuit protection
- Surface Mount Design for straightforward installation
- Visible Reset Lever for clear tripped status indication
- 'Trip Free' Mechanism prevents circuit re-engagement after tripping
- Direct Replacement for Blue Sea 185-series breakers
- UL Recognized for verified safety standards
- ABYC Compliant for marine application suitability
- Durable Construction engineered for marine environments
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 30 Amp |
| Series | 285 Series |
| Mounting Type | Surface Mount |
| Mechanism | Thermal |
| Reset Type | Visible Lever |
| Trip Mechanism | 'Trip Free' |
| Compatibility | Direct replacement for 185-series |
| Certifications | UL Recognized, ABYC |
Who This Is For
This circuit breaker is specifically designed for marine electricians, boat owners, and skilled DIYers undertaking electrical system maintenance or upgrades. It is ideal for applications requiring a reliable 30A thermal breaker with a visible status indicator and 'trip-free' safety functionality, particularly for those retrofitting or replacing older 185-series units.
How It Compares
| Feature | Blue Sea 30A Thermal Circuit Breaker | Cole Hersee 2400 |
|---|---|---|
| Amperage Rating | 30A | 30A |
| Mounting Type | Surface Mount | Panel Mount |
| Visible Reset Lever | Yes | Not Specified |
| 'Trip Free' Mechanism | Yes | Not Specified |
| Direct Replacement for 185-Series | Yes | No |
Common Concerns Answered
Is the Blue Sea 7181 the most cost-effective 30 Amp circuit breaker available?
While its initial price point may be higher than generic alternatives, the Blue Sea 7181 offers superior marine-grade reliability, specific 'trip-free' safety features, and direct replacement compatibility that justifies the investment for critical electrical system integrity and reduced long-term maintenance costs.
What if I'm unsure if this is the correct breaker to replace my existing one?
The Blue Sea 7181 is explicitly designed as a direct replacement for the 185-series circuit breakers, simplifying installation and ensuring compatibility. Verifying your existing breaker is a 185-series model will confirm fitment. Refer to the provided manual URL for detailed specifications if needed.
Can I find this specific replacement breaker easily when I need it?
As a specialized marine replacement part, availability is generally good through dedicated marine electrical suppliers like BoatSupplyStore.com. Ordering in advance for major projects or stocking spares ensures you have this critical component readily accessible for your vessel's electrical system.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 7181 circuit breaker?
The Blue Sea 7181 circuit breaker has an amperage rating of 30 Amps.
Is the Blue Sea 7181 a direct replacement for the 185-series circuit breakers?
Yes, the Blue Sea 7181 is designed as a direct replacement for the 185-series circuit breakers, ensuring compatibility with existing wiring and mounting configurations.
What does 'Trip Free' mean for this circuit breaker?
The 'Trip Free' mechanism means that once the circuit breaker has tripped due to an overload or fault, it cannot be manually held in the closed position. This safety feature prevents the breaker from being forced closed, thus avoiding further damage or fire risk.
How can I tell if the Blue Sea 7181 circuit breaker has tripped?
The Blue Sea 7181 features a visible reset lever that clearly indicates an open condition when the breaker has tripped. The lever will move to a position that visually signals the circuit is interrupted.
What is the mounting type for the Blue Sea 7181 circuit breaker?
The Blue Sea 7181 circuit breaker is a surface mount type, designed for easy installation onto a flat surface of an electrical panel or bulkhead.
