Description
Blue Sea 5120 350A Class T Fuse | Boat Supply Store
Protecting critical high-amperage DC systems requires immediate fault interruption, especially for large inverters and battery banks. The Blue Sea 5120 Class T fuse delivers an exceptionally fast short-circuit response and a robust 20,000 Ampere Interrupt Capacity (AIC), ensuring rapid disconnection during overcurrent events. Tested to UL standard 198L, this 350 AMP fuse provides superior safeguarding essential for demanding marine electrical configurations.
Key Features
- Extremely fast short-circuit response for rapid fault clearing
- 20,000 Ampere Interrupt Capacity (AIC) for robust protection
- UL listed to standard 248-15 for verified safety
- DC Tested to UL standard 198L for marine application suitability
- 350 AMP rating suitable for high-draw DC systems
- Class T designation for specialized high-performance applications
- Reliable performance in demanding marine environments
- Superior protection against damaging overcurrents
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 350 AMP |
| Fuse Type | Class T |
| Ampere Interrupt Capacity (AIC) | 20,000A |
| UL Listing | UL 248-15 |
| DC Tested | UL 198L |
| Short-Circuit Response | Extremely Fast |
Who This Is For
Marine electricians and boat owners requiring superior overcurrent protection for high-amperage DC circuits like large inverters or battery banks. System designers will appreciate its critical fault interruption capabilities.
How It Compares
| Feature | Blue Sea 5120 350A Class T Fuse | Littelfuse |
|---|---|---|
| Amperage Rating | 350A | 350A |
| Ampere Interrupt Capacity (AIC) | 20,000A | 2000A |
| Fuse Type | Class T | MEGA |
| Short-Circuit Response | Extremely Fast | Fast |
| UL Listing | Standard 248-15 | UL Recognized |
Common Concerns Answered
Why is the Blue Sea 5120 more expensive than other fuses?
The higher price point reflects the specialized Class T designation, which provides an exceptionally fast short-circuit response and a superior 20,000 AIC, crucial for safeguarding high-amperage DC systems where rapid fault interruption is paramount.
Do I need a special fuse holder for this fuse?
Yes, the Blue Sea 5120 requires specific fuse holders designed for Class T fuses to ensure correct fitment and optimal performance. This specialized holder is necessary for the fuse's high-amperage and rapid-response capabilities.
Is this fuse reliable for demanding marine applications?
Customer sentiment consistently emphasizes the reliability and high-performance protection offered by the Blue Sea 5120 for demanding marine electrical systems. Its UL listing and DC testing further validate its suitability for the marine environment.
Frequently Asked Questions
What is the Ampere Interrupt Capacity (AIC) of the Blue Sea 5120 fuse?
The Blue Sea 5120 fuse has an Ampere Interrupt Capacity (AIC) of 20,000 Amperes.
What UL standard is the Blue Sea 5120 fuse listed to?
The Blue Sea 5120 fuse is UL listed to standard 248-15.
What is the primary function of a Class T fuse like the Blue Sea 5120?
The primary function of a Class T fuse, such as the Blue Sea 5120, is to provide extremely fast short-circuit interruption for high-amperage DC systems, offering superior protection where rapid fault clearing is critical.
Is the Blue Sea 5120 fuse suitable for DC applications?
Yes, the Blue Sea 5120 fuse is specifically designed and DC tested to UL standard 198L for use in DC applications.
What is the maximum amperage rating for the Blue Sea 5120 fuse?
The Blue Sea 5120 fuse has a maximum amperage rating of 350 Amperes.
