RS PRO 4A F Glass Cartridge Fuse 563-481, 5 x 20 mm, Fast Acting, 250V AC, Glass Body

The RS PRO 563-481 4A F Glass Cartridge Fuse is a robust component engineered to safeguard electrical circuits and devices from damage due to short circuits and overcurrents. Designed to international IEC standards, it features a fast acting fuse characteristic, allowing it to respond swiftly when abnormal currents are detected, thus protecting both equipment and users.

This cylindrical cartridge fuse, measuring 5 x 20 mm, fits standard fuse holders and panels used across industrial, commercial, residential, and automotive environments. The glass body, paired with nickel plated brass caps, facilitates quick visual inspection and reliable performance, making it easy to identify when the fuse has blown. Its low breaking capacity is optimized for smaller devices where regular fuse operation and replacement is needed.

The fuse is rated to withstand currents up to 4A and voltages up to 250V AC, offering versatility for use in motors, air conditioners, refrigerators, pumps, and other appliances. Its temperature tolerance from -55°C to 125°C ensures it functions reliably in broad operating contexts, from harsh industrial settings to household electronics. Compatibility with global standards such as UL, CSA, VDE, and RoHS means it is suitable for international deployment.

Typical use cases include protecting internal device circuits, board and panel elements, and isolating fault subsystems once an overcurrent is detected. The fast acting nature helps prevent damage to sensitive equipment and cable insulation. Glass and ceramic fuses share similar properties, but glass allows for direct visual assessment of fuse status.

For engineers and technicians, the RS PRO 563-481 is a practical, cost-efficient choice for overcurrent protection in assemblies where safety and rapid response are crucial. By adopting these fuses, industrial users can minimize maintenance downtime and avoid costly repairs resulting from circuit failures.

Rated current of 4A enables safe operation in various electronic applications. Standard cartridge size of 5 x 20 mm for compatibility with common fuse holders. Fast acting 'F' speed rating for rapid protection against short circuits and overloads.

Glass body construction with nickel plated brass caps ensures durability and easy inspection. Voltage rating of 250V AC makes it suitable for industrial, commercial and residential devices. Operating temperature range from -55°C to 125°C for reliable performance under diverse conditions.

Compliant with UL, CSA, VDE, RoHS, and other international standards. Designed for low breaking capacity, ideal for protecting internal circuits and devices. Browse more industrial electrical fuses in EnvMart's Electrical Fuse category, featuring RS PRO and other trusted brands.