RS63HFTG Fuseholder, Front Connected, 660V, 63A, HRC, Screw Clamp. The REDSPOT series Fuseholder fully shrouded for personal safety and complete compliance with the direct contact electric shock requirements of the IEE wiring regulation (BS 7671 1992). It is manufactured from tough phenolic flame retardant non-hydroscopic mouldings. The mouldings design to ensure perfect alignment of the carrier contacts with the base terminal/contact block. Insulated sleeves are fitted to front conducted fuse bases to provide increased protection at the cable entry.