Description
Blue Sea 30A DC Circuit Breaker | Boat Supply Store
Protect vital DC circuits from overcurrent conditions with the Blue Sea 7155 Short Stop Circuit Breaker. Engineered for demanding marine applications, it offers a substantial 2,500A interrupt capacity at 28V DC, ensuring safety during fault events. Its IP 64 water resistance and corrosion-resistant construction make it suitable for use in harsh coastal environments, such as offshore fishing platforms or commercial vessel engine rooms.
Key Features
- Robust 30A DC rating for essential circuits
- High-Capacity 2,500A @ 28V DC interrupt rating for superior fault protection
- Water-Resistant IP 64 rating protects against dust and water ingress
- Corrosion-Resistant materials for extended lifespan in saltwater
- Secure #10-32 terminal studs for reliable connections
- Convenient push-to-reset functionality for quick system restoration
- Included red insulating boot enhances safety
- Reliable brand recognized for marine electrical components
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 30A DC |
| Maximum Voltage | 28V DC |
| Interrupt Capacity | 2500A @ 28V DC |
| Water Resistance | IP 64 |
| Terminal Type | #10-32 |
| Reset Type | Push to Reset Only |
Who This Is For
Marine enthusiasts and boat owners requiring dependable DC circuit protection for systems operating up to 30 amps and 28 volts. This breaker is also suitable for marine electricians seeking reliable components for installation and repair.
How It Compares
| Feature | Blue Sea 30A DC Circuit Breaker | Competitor |
|---|---|---|
| Amperage | 30A DC | 30A DC, 30A |
| Maximum Voltage | 28V DC | 28V DC, 12-28V DC |
| Interrupt Capacity | 2500A @ 28V DC | 1000A @ 28V DC, 2500A @ 12V DC |
| Water Resistance | IP 64 | Not Specified, Not Specified |
| Reset Type | Push to Reset Only | Push to Reset, Push to Reset |
Common Concerns Answered
Some users prefer a manual trip lever. How does the Blue Sea 7155 address this?
The Blue Sea 7155 is designed with a push-to-reset mechanism for operational simplicity. For applications requiring a manual trip lever, alternative models are available, but this design prioritizes a clean, accessible reset function essential for marine environments.
What are the critical installation considerations?
Proper installation is paramount; ensure the correct wire gauge is used for the 30A rating and that terminal studs are torqued to specifications to prevent overheating and ensure reliable connection. Over-tightening can damage the terminals.
Is the price justified compared to other options?
While price is a factor, the Blue Sea 7155's superior 2,500A interrupt capacity and IP 64 water resistance offer significant value for critical DC systems. This level of protection and environmental resilience is essential for long-term reliability and safety on board.
Frequently Asked Questions
What is the interrupt capacity of the Blue Sea 7155 Short Stop Circuit Breaker?
The Blue Sea 7155 features a robust interrupt capacity of 2,500 amps at 28 volts DC, providing significant protection against high-current faults.
Is the Blue Sea 7155 circuit breaker waterproof?
The circuit breaker is rated IP 64 for water resistance, meaning it is protected against dust and splashing water from any direction, suitable for most marine environments.
What is the maximum voltage rating for this circuit breaker?
This circuit breaker is rated for a maximum DC voltage of 28 volts.
Can the Blue Sea 7155 circuit breaker be manually reset?
No, the Blue Sea 7155 is a push-to-reset only circuit breaker. It cannot be manually tripped or reset with a lever.
What type of terminals does the Blue Sea 7155 circuit breaker use?
The Blue Sea 7155 utilizes #10-32 threaded terminal studs for secure electrical connections.
