WR-FSH Fuse Holders Würth Elektronik WR-FSH Fuse Holders are designed to provide applications with safe, reliable, and circuit protection. These fuse holders feature a -30°C to 120°C operating temperature range and a PA66/PA66G25/LCP/PPO (PPE+PS)/PETG35/PC insulation material. The WR-FSH fuse holders are available in clip cover, turn and lock, screw and lock, and shock-safe fuse holder cover types. These fuse holders UL94V-0 and VDE certified, and RoHS compliant. The WR-FSH fuse holders are also compliant with IEC Standard 60127-6 and glow wire tested holders are 60335-1 complaint for home appliances. Typical applications include audio equipment and battery systems.