RS PRO 4A T Ceramic Cartridge Fuse 5 x 20 mm, 250V AC, Fast Acting, Ceramic Body RS PRO-563-407

RS PRO 563-407 Ceramic Cartridge Fuse 4A T 5 x 20 mm is a high-quality, fast acting fuse designed to protect electrical equipment from overcurrent damage. Operating at 250 volts AC, it is constructed with a robust ceramic body that offers excellent heat resistance and high breaking capacity, making it highly reliable in demanding environments.

This fuse measures 20 mm in length and 5 mm in diameter, matching standard cartridge fuse sizes, and is designed for use in a broad range of applications including industrial machinery, commercial devices, automotive electronics, and residential electrical systems.

The 'T' rating indicates a fast acting (time-delay) fuse capable of withstanding short surges without blowing unnecessarily, providing protection for sensitive components while tolerating momentary current fluctuations.

It complies with rigorous international standards such as VDE, UL, RoHS, and CSA, guaranteeing safety and environmental compliance. The operating temperature range from -55°C to 125°C assures stable performance under various temperature conditions.

Typical applications include protection of motors, air conditioners, refrigerators, pumps, and other electrical appliances. This fuse effectively prevents damage due to short circuits and overcurrent events, isolating faults quickly to minimize system downtime and maintenance costs.

This fuse has a current rating of 4 amperes and an AC voltage rating of 250 volts. The fuse features a ceramic body offering durability and high breaking capacity. Measures 20 mm in length and 5 mm in diameter, fitting standard 5 x 20 mm fuse holders.

Fast acting characteristic ensures quick disconnection under overcurrent conditions. Suitable for industrial, commercial, automotive, and residential electrical protection. Complies with VDE, UL, RoHS, and CSA standards for performance and safety.

Operates across a wide temperature range of -55°C to 125°C. Explore more RS PRO electrical protection products and Cartridge Fuses on EnvMart for reliable and certified solutions.