Product Overview
Littelfuse 311015 15A 3AG Glass Cartridge Fuse – Unused, New Old Stock
The Littelfuse 311015 fuse is part of the industry-standard 3AG series, offering dependable overcurrent protection in automotive and electronic circuits. Compact, replaceable, and time-tested, it represents the enduring quality of Littelfuse design.
Product Condition
Unused, New Old Stock (NOS). Kept in original packaging and stored in a controlled environment. Glass and contact surfaces are clean, ready for installation in compatible holders.
Product Overview
For decades, Littelfuse has set the standard for reliable circuit protection. The 311015 15A fuse combines clear visibility, precise response time, and global interchangeability. Its glass body allows easy inspection, while its fast-acting element provides immediate interruption during short circuits or overloads.
Key Features
- Rated current: 15A at 32VAC/32VDC
- Fast-acting (quick-blow) design for immediate circuit interruption
- Standard 3AG size – 1/4 inch diameter × 1-1/4 inch length
- Transparent glass body for visible fuse status
- Metal end caps for secure holder contact
- Fits standard automotive and electronic fuse holders
- RoHS compliant and lead-free construction
- Reliable performance for 15A-rated circuits
- Engineered for repeatable protection and minimal arc risk
- Globally recognized Littelfuse quality
Applications
- Automotive fuse panels
- Power tools and small appliances
- Industrial control and test equipment
- Consumer electronics and audio gear
- Prototyping and circuit development
- Battery and power distribution systems
- General-purpose electronic protection
Frequently Asked Questions
Is this fuse fast-acting or slow-blow?
The 311015 is a fast-acting (quick-blow) type designed to open immediately under short-circuit or overload conditions.
Can it be used in automotive applications?
Yes, it fits standard 3AG/AGC fuse holders commonly found in automotive and power equipment circuits.
What are its physical dimensions?
Standard 3AG size—1/4 inch (6.3 mm) diameter by 1-1/4 inch (31.8 mm) length, allowing easy replacement.
Does the glass construction affect durability?
No. The glass body enables visual inspection while maintaining excellent arc containment for rated applications.
Why choose Littelfuse over generic glass fuses?
Littelfuse maintains strict quality and testing standards, ensuring consistent performance and reliable protection across installations.
Trusted in workshops and labs alike, this Littelfuse 311015 fuse carries forward the brand’s legacy of precision protection—ready for your next circuit build.
