Description
Blue Sea 7188 120A Circuit Breaker | Boat Supply Store
Protect critical 12V or 24V DC systems from overcurrent with this 120 Amp thermal circuit breaker engineered for marine environments. Its robust 285-Series design incorporates a 'Trip Free' mechanism, preventing re-engagement during a fault condition, and a visible reset lever that clearly indicates an open circuit. This breaker serves as a direct, upgraded replacement for older 185-series units, ensuring enhanced safety for power distribution on vessels ranging from center consoles to offshore sportfishers.
Key Features
- 120 Amp Rating for substantial DC system protection.
- Surface Mount Design simplifies installation on bulkheads or panels.
- Visible Reset Lever instantly communicates open circuit status.
- 'Trip Free' Mechanism guarantees safety by preventing forced re-closure.
- Direct Replacement for legacy 185-series breakers, facilitating easy upgrades.
- ABYC & UL Recognized for assured marine-grade safety and compliance.
- Thermal Actuation provides reliable overcurrent tripping characteristics.
- Durable Construction from Blue Sea Systems ensures long-term operational integrity.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 120 Amp |
| Series | 285 Series |
| Mounting Type | Surface Mount |
| Voltage Compatibility | 12V or 24V DC |
| Mechanism | Thermal |
| Reset Type | Visible Lever |
| Trip Free | Yes |
Who This Is For
Marine electricians and boat owners requiring robust overcurrent protection for 12V or 24V DC systems. Essential for maintenance professionals and DIYers upgrading or replacing existing electrical protection components.
How It Compares
| Feature | Blue Sea 7188 120A Circuit Breaker | Competitor |
|---|---|---|
| Amperage Rating | 120A | 100A |
| Series | 285 | 285 |
| Mounting Type | Surface Mount | Surface Mount |
| Trip Free Mechanism | Yes | Yes |
| Visible Reset Lever | Yes | Yes |
Common Concerns Answered
Is this breaker suitable for AC systems?
No, the Blue Sea 7188 is specifically designed as a DC circuit breaker for 12V or 24V DC marine electrical systems and is not rated for AC applications.
Why is the price higher than generic breakers?
The investment reflects Blue Sea Systems' commitment to marine-grade quality, advanced safety features like the 'Trip Free' mechanism, and recognized certifications (UL, ABYC), ensuring superior reliability and longevity over unbranded alternatives.
Can I get a panel mount version of this breaker?
While this specific model is surface mount, Blue Sea Systems offers various panel mount circuit breakers within their product lines. For a cleaner aesthetic, explore their dedicated panel mount breaker options.
Frequently Asked Questions
What is the amperage rating of the Blue Sea 7188 circuit breaker?
The Blue Sea 7188 circuit breaker has an amperage rating of 120 Amps.
Is the Blue Sea 7188 a direct replacement for the 185-series circuit breakers?
Yes, the Blue Sea 7188 is designed as a direct, upgraded replacement for older 185-series circuit breakers, simplifying installation and enhancing safety features.
What does 'Trip Free' mean for this circuit breaker?
A 'Trip Free' mechanism means the circuit breaker cannot be manually held closed if an overcurrent condition exists; it will trip to the open position and remain open until the fault is cleared, ensuring safety.
Can the reset lever be held closed after a trip on the Blue Sea 7188?
No, the 'Trip Free' design of the Blue Sea 7188 prevents the reset lever from being held closed after the breaker has tripped due to an overcurrent condition.
What is the voltage rating for the Blue Sea 7188 circuit breaker?
The Blue Sea 7188 circuit breaker is rated for 12V or 24V DC systems.
