Overview
The Littelfuse 523 5AB Slo-Blo cartridge fuse provides time-delay overcurrent protection for electrical circuits and equipment. Littelfuse makes several types of 5×20 mm fuses to provide supplemental overcurrent protection to circuits and other electronic devices. This lot contains 52 individual fuses, each rated 8A at 250V, with ceramic construction for durability and reliable performance in industrial environments.
Key Features
- Slo-Blo (time-delay) design tolerates inrush current without nuisance operation
- Ceramic bodies provide supplemental overcurrent protection
- 8A current rating at 250V nominal voltage
- Cartridge mounting compatible with standard fuse holders
- Lot of 52 units reduces downtime and restocking frequency
- UL and CSA certified for safety and reliability
Technical Specifications
The 523 5AB operates within established industry standards for small-dimension cartridge fuses. Fuses are designed to carry rated current for a minimum of 4 hours of continuous operation; operation at no more than 80% rated current is recommended for optimal life and performance.
Typical Applications
- Electronic equipment and control circuits requiring overcurrent protection
- Industrial machinery and manufacturing systems
- Power distribution panels and electrical enclosures
- UPS and backup power systems
- HVAC and facility equipment
Compatibility & Replacements
Compatible With
- Standard 5x20mm cartridge fuse holders
- Industrial control cabinets and electrical enclosures
- Equipment designed for 250VAC operation
- Circuits with inrush current characteristics (motors, compressors, transformers)
Replaces / Drop-In Replacement For
Verify exact compatibility with your system integrator or equipment manufacturer before ordering, as fuse ratings must precisely match circuit design requirements.
Works With
- 5x20mm ceramic cartridge fuse sockets
- Standard electrical panel mounting systems
- Any 250VAC circuit rated for 8A or less nominal current
