Description
Blue Sea 5119 300A Class T Fuse | Boat Supply Store
Safeguard sensitive marine electrical systems from severe fault currents with the Blue Sea 5119, a 300 AMP Class T fuse engineered for rapid short-circuit response. This fuse boasts a substantial 20,000 Ampere Interrupt Capacity (AIC), significantly exceeding standard ratings, and is UL listed to standard 248-15 for assured performance. It is the definitive choice for protecting high-draw DC circuits on offshore fishing vessels or complex cruising yachts where system integrity is paramount.
Key Features
- Fast short-circuit response minimizes damage duration.
- High 20,000 Ampere Interrupt Capacity (AIC) for robust fault protection.
- UL certified to standard 248-15 for verified performance.
- DC tested to UL standard 198L, ensuring reliability in marine environments.
- Class T designation signifies superior interrupting capability.
- 300 AMP rating suitable for heavy-duty DC loads.
- Secure overcurrent protection for critical systems.
- Reliable performance for demanding marine applications.
Specifications
| Product Specifications | |
|---|---|
| AMP Rating | 300 AMP |
| Fuse Type | Class T Fuse |
| AIC Rating | 20,000 |
| UL Listing | UL 248-15 |
| DC Tested To | UL standard 198L |
Who This Is For
Marine electricians and boat owners requiring high-performance overcurrent protection for critical DC circuits will find this fuse indispensable. System designers needing to meet stringent safety standards for vessels operating in high-fault current potential environments will also benefit.
How It Compares
| Feature | Blue Sea 5119 300A Class T Fuse | Competitor |
|---|---|---|
| Amperage Rating | 300A | 300A, 300A |
| Interrupting Capacity (AIC) | 20,000A | 2,000A, 10,000A |
| Fuse Type | Class T | MEGA, FWH |
| UL Listing | UL 248-15 | UL Recognized, UL Recognized |
Common Concerns Answered
Is the Blue Sea 5119 fuse worth the higher cost?
The higher price point reflects the superior 20,000 AIC rating and Class T designation, offering significantly faster short-circuit response. This elevated level of protection is crucial for safeguarding high-value or critical DC systems, justifying the investment for peace of mind and system longevity.
What are the main advantages of this fuse over cheaper alternatives?
The primary advantage is its substantially higher Ampere Interrupt Capacity (AIC) of 20,000A, compared to 2,000A or 10,000A in comparable fuses. This means it can safely interrupt much larger fault currents, preventing catastrophic damage to electrical systems and wiring.
Are there any known issues or complaints with this fuse?
The primary consideration is its higher cost relative to fuses with lower AIC ratings. However, for applications demanding the utmost in overcurrent protection and reliability, the performance benefits are considered to outweigh the price difference by experienced marine technicians.
Frequently Asked Questions
What is the Ampere Interrupt Capacity (AIC) of the Blue Sea 5119 fuse?
The Blue Sea 5119 fuse has an Ampere Interrupt Capacity (AIC) of 20,000 Amperes.
What UL standard is the Blue Sea 5119 fuse tested to?
The Blue Sea 5119 fuse is UL listed to standard 248-15 and DC tested to UL standard 198L.
What is the primary function of a Class T fuse like the Blue Sea 5119?
A Class T fuse, such as the Blue Sea 5119, is designed for very fast-acting protection against short circuits, offering a high interrupting capacity suitable for critical DC power distribution systems where rapid fault interruption is essential.
Is the Blue Sea 5119 fuse suitable for DC applications?
Yes, the Blue Sea 5119 fuse is specifically designed and tested for DC applications, meeting UL standard 198L for DC performance.
What is the California Proposition 65 warning associated with this product?
There is no California Proposition 65 warning associated with this specific product.
