Description
Blue Sea 7.5A Low Profile Circuit Breaker 2-Pack | Boat Supply Store
Safeguard your marine electrical systems against overload with a manually resettable circuit breaker designed as a direct replacement for standard ATO/ATC fuses. This 7.5 Amp unit operates at a maximum of 28V DC and features a thermal trip mechanism with a substantial 2000A @ 28V DC interrupt capacity, ensuring reliable protection even in demanding environments like offshore fishing operations. Its compatibility with Blue Sea ST-Blade Fuse Blocks simplifies integration into your existing panel, providing enhanced safety and compliance with ABYC standards.
Key Features
- Direct replacement for common ATO and ATC blade style fuses.
- Manually resettable with a convenient push button.
- Complies with critical ABYC circuit protection requirements.
- Seamlessly integrates with Water-Resistant ST-Blade Fuse Blocks (cover secured).
- Universally compatible with all other ST-Blade fuse blocks (cover not required).
- Precisely rated at 7.5 Amp for optimal circuit management.
- Handles up to 28V DC maximum voltage for robust DC systems.
- Provides a high 2000A @ 28V DC interrupt capacity for fault protection.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 7.5 Amp |
| Maximum Voltage | 28V DC |
| Interrupt Capacity | 2000A @ 28V DC |
| Operating Temperature Range | -30°C to 77°C |
| Trip Type | Thermal Trip, Manual Reset |
| Fuse Style Compatibility | ATO/ATC |
Who This Is For
Marine enthusiasts, boat owners, and marine electricians seeking a reliable and resettable circuit protection solution for their vessel's electrical systems. This breaker is specifically designed as a direct upgrade and replacement for standard ATO/ATC fuses, enhancing safety and system reliability.
How It Compares
| Feature | Blue Sea 7.5A Low Profile Circuit Breaker 2-Pack | Competitor |
|---|---|---|
| Type | Circuit Breaker (Manual Reset) | Blade Fuse, Blade Fuse |
| Amperage | 7.5 Amp | 7.5 Amp, 7.5 Amp |
| Maximum Voltage | 28V DC | 32V DC, 32V DC |
| Resettable | Yes (Manual Push Button) | No, No |
| ABYC Compliance | Yes | No, No |
Common Concerns Answered
Is this breaker more expensive than a standard fuse?
While the initial cost of this circuit breaker may be slightly higher than a traditional fuse, its resettable functionality and adherence to ABYC safety standards offer significant long-term value and peace of mind for your vessel's electrical integrity.
Can I use any amperage breaker for my circuits?
It is critical to match the circuit breaker's amperage rating precisely to the circuit's requirements to prevent over-current protection. Using an incorrect rating can lead to component damage or fire hazards; consult your vessel's wiring diagram or a marine electrician if unsure.
What makes this breaker a better choice than a fuse?
This Blue Sea Systems circuit breaker offers the distinct advantage of manual resetability, eliminating the need for replacement fuses after a fault. It also provides superior protection and meets stringent ABYC standards for marine electrical installations, a crucial consideration for vessel safety and compliance.
Frequently Asked Questions
What is the difference between a circuit breaker and a fuse?
A fuse is a single-use device designed to melt and break a circuit when an overcurrent occurs, requiring replacement. A circuit breaker, like this Blue Sea Systems model, is a resettable device that mechanically interrupts the circuit during an overcurrent and can be reset manually or automatically, allowing for continued use after the fault condition is cleared.
Can this circuit breaker be used as a replacement for an ATO or ATC fuse?
Yes, the Blue Sea 7063 is specifically engineered as a direct, drop-in replacement for standard ATO and ATC blade style fuses, offering enhanced functionality and safety.
What is the maximum voltage this circuit breaker can handle?
This circuit breaker is rated for a maximum operating voltage of 28V DC, making it suitable for most standard marine DC electrical systems.
What is the interrupt capacity of this circuit breaker?
The interrupt capacity of the Blue Sea 7063 is 2000 Amps at 28 Volts DC (2000A @ 28V DC), indicating its ability to safely interrupt high fault currents.
Is this circuit breaker manually resettable?
Yes, this circuit breaker features a manual reset function, activated via a push button, allowing you to restore power after a trip condition has been resolved.
