Description
Blue Sea 250A Class T Fuse | Boat Supply Store
Engineered for extreme fault conditions, this 250A Class T fuse delivers exceptionally fast short-circuit response to safeguard critical marine DC electrical systems. With a robust 20,000 Ampere Interrupt Capacity (AIC), it reliably interrupts damaging fault currents far exceeding standard fuse capabilities. This level of protection is vital for high-performance vessels operating in demanding marine environments, ensuring system integrity and operator safety.
Key Features
- Extremely fast short-circuit response for immediate fault interruption
- High 20,000 AIC capacity protects against severe fault currents
- UL listed to standard 248-15 for verified safety and performance
- DC Tested to UL standard 198L confirming suitability for marine DC systems
- Superior overcurrent protection for critical DC circuits
- Reliable fault current interruption preventing system damage
- Essential safety component for high-amperage marine applications
- Fast-acting performance minimizes electrical damage during faults
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Amperage Rating | 250 AMP |
| Fuse Type | Class T |
| AIC Rating | 20,000 Ampere Interrupt Capacity (AIC) |
| UL Listing | UL listed to standard 248-15 |
| DC Testing | DC Tested to UL standard 198L |
Who This Is For
Marine electrical system designers, installers, and owners requiring high-performance, fast-acting overcurrent protection for DC systems, particularly those with high fault current potential.
How It Compares
| Feature | Blue Sea 250A Class T Fuse | Competitor |
|---|---|---|
| Amperage Rating | 250A | 250A, 250A |
| Interrupt Capacity (AIC) | 20,000A | 2,500A, 10,000A |
| Fuse Type | Class T | MEGA, FWH |
| UL Listing | UL 248-15 | UL Recognized, UL Recognized |
Common Concerns Answered
Is this fuse expensive compared to others?
The Blue Sea 5118 Class T Fuse is a premium product designed for critical safety applications with its exceptional AIC rating and fast-acting response, which accounts for its higher price point compared to standard fuses.
Is this fuse difficult to find?
Due to its specialized nature and high performance requirements, availability can sometimes be limited, however, BoatSupplyStore.com ensures a reliable supply for those who need superior protection.
Will this fuse be overkill for my smaller boat's electrical system?
This fuse is specifically designed for systems with high fault current potential. For smaller DC systems with lower fault current risks, standard fuses may suffice. Consult your system's design specifications to confirm if the 20,000 AIC rating is necessary for your application.
Frequently Asked Questions
What is the AIC rating of the Blue Sea 5118 Class T Fuse?
The Blue Sea 5118 Class T Fuse features an impressive 20,000 Ampere Interrupt Capacity (AIC) rating.
What is the primary function of a Class T fuse?
A Class T fuse is designed for extremely fast short-circuit interruption, providing superior protection for critical DC electrical systems with high fault current potential.
Is the Blue Sea 5118 fuse UL listed?
Yes, the Blue Sea 5118 fuse is UL listed to standard 248-15.
What is the maximum amperage rating for this fuse?
The maximum amperage rating for the Blue Sea 5118 fuse is 250 AMP.
What type of electrical systems is this fuse designed for?
This fuse is designed for high-performance marine DC electrical systems, particularly those with a high fault current potential where rapid and robust overcurrent protection is paramount.
