Description
Blue Sea 7187 100A Circuit Breaker | Boat Supply Store
Secure critical DC electrical circuits against overcurrent events with the Blue Sea 7187 100 Amp Circuit Breaker. This thermal unit operates on a 'Trip Free' principle, preventing re-engagement after a fault and ensuring operational safety on saltwater vessels navigating the Gulf Intracoastal Waterway. Its visible reset lever provides immediate status confirmation of an open condition, and it functions as a direct, upgraded replacement for older 185-series breakers.
Key Features
- 100 Amp Rating for robust circuit protection.
- Surface Mount Design simplifies installation on vessel bulkheads.
- Visible Reset Lever offers immediate status indication.
- 'Trip Free' Mechanism ensures safety by preventing manual reset after a trip.
- Drop-in Replacement for existing 185-series breakers.
- ABYC Certified for marine application safety.
- UL Recognized component for trusted performance.
- Durable Thermal Protection for long-term reliability.
Specifications
| Product Specifications | |
|---|---|
| Amp Rating | 100 Amp |
| Series | 285 Series |
| Mounting Type | Surface Mount |
| Mechanism | Thermal, Trip Free |
| Reset | Visible Lever |
Who This Is For
Marine electricians and boat owners requiring dependable DC overcurrent protection. Maintenance professionals needing a direct replacement for older 185-series breakers will find this unit highly suitable.
How It Compares
| Feature | Blue Sea 7187 100A Circuit Breaker | Fuse |
|---|---|---|
| Amp Rating | 100A | 125A, 100A |
| Type | Thermal Circuit Breaker | Thermal Circuit Breaker, Fuse |
| Reset Mechanism | Visible Lever, Trip Free | Visible Lever, Trip Free, Not Applicable |
| Series | 285 Series | 285 Series, MAXI Fuse |
| Mounting | Surface Mount | Surface Mount, Inline |
Common Concerns Answered
How does the 'Trip Free' design benefit my boat's electrical system?
The 'Trip Free' mechanism on the Blue Sea 7187 prevents the circuit breaker from being manually held closed after a fault has occurred, ensuring that the overcurrent protection remains active and safeguarding your DC circuits from damage. This is crucial for preventing fires and equipment failure.
I'm concerned about the price compared to simple fuses. Is this circuit breaker worth the investment?
While fuses offer basic overcurrent protection, circuit breakers like the Blue Sea 7187 provide repeatable protection and a clear visual indication of fault conditions, enhancing safety and simplifying troubleshooting. The 'Trip Free' design and visible reset lever add a significant layer of reliability and operational clarity essential for marine environments.
Will I be able to easily determine if this breaker has tripped?
Yes, the Blue Sea 7187 features a highly visible reset lever that clearly indicates when the breaker has tripped and an open condition exists. This immediate visual feedback simplifies diagnostics and ensures you can quickly assess your electrical system's status.
Frequently Asked Questions
What is the amp rating of the Blue Sea 7187 circuit breaker?
The Blue Sea 7187 circuit breaker has a 100 Amp rating.
Is the Blue Sea 7187 a direct replacement for the 185-series circuit breakers?
Yes, the Blue Sea 7187 is designed as a direct, upgraded replacement for older 185-series circuit breakers.
What does 'Trip Free' mean for this circuit breaker?
'Trip Free' means the circuit breaker cannot be manually held closed after it has tripped due to an overcurrent condition, ensuring continuous protection.
Can the reset lever be held closed after a trip on the Blue Sea 7187?
No, the 'Trip Free' design of the Blue Sea 7187 prevents the reset lever from being held closed after a trip.
What is the voltage rating for the Blue Sea 7187 circuit breaker?
While not explicitly stated in the provided data, Blue Sea Systems thermal circuit breakers in this series are typically rated for 12V DC and 24V DC systems commonly found on marine vessels.
