1 ? 2009 littelfuse, inc. specications are subject to change without notice. cartridge fuses 3ab 1000vac / dc high voltage fuse 508 series please refer to www.littelfuse.com/series/508.html for current information. 508 series agency agency file number ampere range recognised file: e10480 315ma - 500ma 315ma - 500ma 508 series lead-free 3ab fuse a 1000vac/vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3 x 32mm package, which is well suited for circuit protection in high energy applications. t * o b d d p s e b o d f with underwriters laboratories standard ul 248-14 t " w b j m b c m f j o d b s u s j e h f t 1 m v h h b c m f j o u p d m j q t p s shock safe holders t 3 p ) 4 d p n q m j b o u b o e lead-free t 4 v q f s j p s * o u f s s v q u j o h rating of 10,000 amperes t $ p n q b d u g p s n g b d u p s p g 6.3 x 32mm agency approvals features electrical characteristics applications % of ampere rating ampere rating opening time 100% 315ma - 500ma ) p v s t
. j o j n v n 135% ) p v s
. b y j n v n 200% 4 f d p o e t
. b y j n v n amp code amp rating voltage rating interrupting rating nominal cold resistance (mohms) nominal melting i 2 t (a 2 sec.) agency approvals .315 0.315 1000 10ka @ 1000vac 10ka @ 1000vdc 9200 0.071 x x .500 0.5 1000 3572 0.259 x x electrical characteristic used as supplementary protection in appliance or v u j m j [ b u j p o f r v j q n f o u u p q s p w j e f j o e j w j e v b m q s p u f d u j p o g p s components or internal circuits. description , " ! 7 b d e d b m t p d 6 3 v t b q q s p w f e " e e t v g ? y i w & |