shock-safe for 3ag or 5 x 20mm fuses pc board type yy 1.77" .49" .040" .056" dia. .48" .12" .68" .44" .20" .24" .598" .602" .698" .702" .242" .246" catalog number bottom fuse length standard watertight terminal range* 571 027 571 027p straight 1 5 / 16 " ? 1 3 / 8 " 571 028 571 028p rt. angle 571 007 571 007p straight 1 13 / 32 " ? 1 1 / 2 " 571 008 571 008p rt. angle 571 occ 571 occp straight 1 1 / 2 " 571 rcc 571 rccp rt. angle *fuse diameter is 13 / 32 ". similar to shock-safe fuseholders shown on preceding page, but designed for p.c. board mounting. shock-safe design per iec standards 60127 and 60065. two different knob styles available for use with 3ag (1/4" x 11/4") or 5 x 20mm fuses. approvals: recognized under the components program of underwriters laboratories (16a, 250v). certified by csa (15a, 250v). vde approved (10a, 250v). specifications: electrical: rating: see approvals. insulation resistance: 10,000 megohm minimum at 500 vdc. contact resistance: less than .005 ohm average at a current of one ampere. dielectric strength: 4000 volts minimum. mounting: intended for soldering to printed circuit boards. molded parts: body material: black glass-filled thermoplastic (ul 94v0). knob: screwdriver slot, fuse extractor type with nickel-plated, copper alloy insert. spring-loaded, bayonet style. knob material: grey or black glass-filled thermoplastic (ul94 v-0). terminals: brass. tin-plated. ambient temperature: ?40c to +85c. ordering information: catalog fuse number size 345 101 1 / 4 " x 1 1 / 4 " fuses 345 121 5 x 20mm fuses body only: 345 101-010 knob only: 345 101-020 ( 1 / 4 " x 1 1 / 4 ") grey; 345 121-020 (5 x 20mm) black. for midget fuses panel mount type two panel mount fuseholder designs are available for supplementary or class cc branch circuit protection. class cc fuses have a rejection feature on one end cap which mates with the rejection feature of littelfuse class cc fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. approvals: recognized under the components program of underwriters laboratories and certified by csa. specifications: electrical: rated at 30 amperes for any voltage up to 600 volts. dielectric strength: 4000 volts minimum. mounting: flange mounting either in front of or behind panel. watertight version must be front panel mounted. maximum panel thick- ness is .75". molded parts: black thermoplastic (ul94 v-0). knob: screw type, with engraved markings: unfilled characters ( 571 007, 571 008, 571 007p, 571 008p), light blue characters ( 571 027, 571 028, 571 027p, 571 028p). terminals: brass. tin-plated. combination solder and 1 / 4 " quick- connect. side terminal has .125" diameter hole. bottom terminal has .156" x .124" elongated hole. ambient temperature: ? 40c to +85c. hardware: 571 007, 571 008, 571 027, 571 028, 571 occ, and 571 rcc, none; 571 007p, 571 008p, 571 027p, 571 028p, 571 occp, and 571 rccp, two o-rings for watertight seal per mil-prf-19207. ? ? v de ? ? reference dimensions .76" .86" .92" dia. .446" 2.08" 2.40" 1.31" 1.75" .032" .15" max .172" dia. (2) .15" max 1.12" .890" 1.310" 2 mounting holes for no. 8 screws standard mounting (flange in front of panel) reference dimensions ordering information: * please refer to fuseology section for information on proper fuseholder de-rating. * please refer to fuseology section for information on proper fuseholder de-rating. 471 www.littelfuse.com 13 fuseholders fuseholders for 3ag, 5 x 20mm, or 2ag fuses
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