Blue Sea 5121 400AMP Class T Fuse

The 5121 400AMP Class T Fuse is an essential component for ensuring the safety and reliability of your marine electrical systems. Designed specifically for high-performance boating applications, this fuse provides rapid short-circuit protection, safeguarding your vessel's electrical components from potential damage.

Key Features

• Extremely fast short-circuit response ensures immediate protection
• Impressive 20,000 Ampere Interrupt Capacity (AIC) for robust performance
• UL Listed to standard 248-15, guaranteeing compliance with safety standards
• DC Tested to UL standard 198L for reliable operation in marine environments

Safety Warning

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Product Specifications

Attribute	Details
Amperage	400A
Fuse Type	Class T
Category	Fuses
Box Dimensions	2" H x 4" W x 6" L
Weight	0.3 lbs
UPC	632085051211

Why Choose the 5121 400AMP Class T Fuse for Your Boat?

When it comes to marine electrical systems, reliability and safety are paramount. The 5121 400AMP Class T Fuse is engineered to deliver exceptional performance in demanding marine environments. Whether you're cruising, fishing, or engaging in other water activities, this fuse ensures that your electrical circuits are protected from unexpected surges and faults, providing peace of mind on every voyage.

Installation and Maintenance

Installing the 5121 400AMP Class T Fuse is straightforward, making it a convenient upgrade for your boat's electrical system. Regular maintenance checks are recommended to ensure optimal performance and to identify any potential issues before they become critical.

Customer Support

Our marine experts are available to assist you with any questions or concerns regarding the 5121 400AMP Class T Fuse. Contact our support team for installation guidance, troubleshooting, or to learn more about how this fuse can enhance your boat's electrical safety.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.