Патронные плавкие предохранители S500 5A FUSE
The S500-5-R is a S500-series 5A 250VAC quick blow fast acting Fuse with glass tube, silver-plated and nickel-plated endcaps, 19.05mm lead wire length and ratings above 6.3A have a 0.8mm diameter lead. Designed to UL/CSA 248-14.