The S-8301-3-R is a 1/4" x 1 1/4" fuse block from the S-8300 series rated for 300 Vac/dc with a maximum current rating of 30 A (UL) and 25 A (CSA). This 3-pole fuse block features screw terminal configuration with tight cluster mounting capability, bright tin-plated spring-bronze clips, and an anti-rotational pin for secure installation. The body is constructed from flame-retardant thermoplastic meeting UL 94V0 standards, with a relative temperature index of 130°C for bolt-in mounting and 110°C for snap-in mounting. The product is RoHS compliant (2002/95/EC) and carries UL recognition (E14853) and CSA certification (47235), making it suitable for industrial control panels, power distribution systems, and electrical equipment requiring reliable fuse protection.