powr-pro ? fuses powr-pro ? fuses w w w . l i t t e l f u s e . c o m ? 2005 littelfuse ? powr-gard ? products catalog llsrk_id series indicator ? powr-pro ? class rk1 fuses 600 vac ? dual-element, time-delay ? 1/10 C 600 amperes the all new llsrk_id series fuse is the most advanced class rk1 fuse available today providing unparalleled performance and protection to modern circuits. the patented indicator technology provides instant identification of a blown fuse greatly enhancing system up-time, while the precision formed short-circuit elements virtually eliminate damage to components from unexpected electrical faults. in addition, the all new solid-state overload section has no moving parts, stopping unnecessary fatigue failures commonly found in other spring loaded fuses. applications all general purpose circuits motors transformers solenoids fluorescent lighting all system components with high in-rush currents features/benefits ? reduce downtime the indicating window of the llsrk_id immediately identifies the open fuse. if the indicating strip is black, the fuse has opened. its that simple. maintenance personnel can immediately determine that there is an open fuse. ? reduce fuse inventory the superior performance of the llsrk_id allows it to be used in a variety of applications, thus decreasing fuse inventory. ? reduce nuisance opening indicator fuses offer superior time-delay and cycling characteristics, which can lengthen fuse life. ? reduce equipment damage indicator fuses provide superior overload and short-circuit protection that can reduce equipment damage. the llsrk_id is extremely current-limiting and provides iec type 2 no damage protection to iec and nema type motor starters. ? reduce accidents the llsrk_id indicator fuse improves safety by minimizing exposure to live circuits. unlike other forms of blown fuse indication, once the indicating strip darkens, it stays dark. other forms of indication require the power to remain on, which causes a potential safety hazard to personnel. ordering information for online ordering use part number lsrk. specifications voltage rating: 600 vac/300 vdc interrupting ratings: ac: 200,000 amperes rms symmetrical 300,000 amperes rms symmetrical (littelfuse self-certified) dc: 20,000 amperes ampere range: 1/10 C 600 amperes approvals: ac: standard 248-12, class rk1 ul listed (file no: e81895) csa certified (file no: lr29862) dc: littelfuse self-certified ampere ratings 1 ? 10 1 2 8 ? 10 6 1 ? 4 25 80 250 15 ? 100 1 1 ? 8 3 7 30 90 300 2 ? 10 1 1 ? 4 3 2 ? 10 8 35 100 350 1 ? 4 1 4 ? 10 3 1 ? 2 9 40 110 400 3 ? 10 1 6 ? 10 4 10 45 125 450 4 ? 10 1 8 ? 10 4 1 ? 2 12 50 150 500 1 ? 2 2 5 15 60 175 600 6 ? 10 2 1 ? 4 5 6 ? 10 17 1 ? 2 70 200 8 ? 10 2 1 ? 2 6 20 75 225 example part number (series & amperage): llsrk30id. note: ? all ? fuses ? rated ? 1? amp ? and ? above ? are ? indicator ? fuses. recommended fuse blocks lr600 series refer to the blocks & holders section of this catalog for additional information.
powr-pro ? fuses powr-pro ? fuses w w w . l i t t e l f u s e . c o m ? 2005 littelfuse ? powr-gard ? products catalog llsrk_id series indicator ? powr-pro ? class rk1 fuses 600 vac ? dual-element, time-delay ? 1/10 C 600 amperes time in seconds current in amperes 60a 35a 30a 15a 12a 5a 3.5a 2.8a 2a 1.6a 1.25a 1a 1000 100 10 1 2000 1000 100 10 1 0.5 0.01 0.1 blown fuse indicator assembly granular quartz filling precision formed short circuit element fiberglass reinforced pultruded body elastomeric silicone overload section contact ? littelfuse? for? additional? fuse? curves. plated end caps time in seconds current in amperes
powr-pro ? fuses 3 powr-pro ? fuses w w w . l i t t e l f u s e . c o m ? 2005 littelfuse ? powr-gard ? products catalog symmetrical r.m.s. amperes av ailable f aul t current peak let -thru in amperes 3.5a 5a 12a 30a 60a 200000 100000 10000 1000 100 1000000 100000 10000 1000 100 peak let -thru in amperes ava ilable f aul t current symmetrical r.m.s. amperes current-limiting effects of llsrk_id (600v) fuses short circuit current* apparent rms symmetrical current for various fuse ratings 30a 0a 00a 00a 00a 00a 5,000 1,060 1,600 2,100 2,600 4,100 -- 0,000 1,350 2,000 2,800 3,400 5,250 8,000 5,000 1,600 2,300 3,200 3,900 6,000 9,000 0,000 1,700 2,600 3,600 4,500 6,700 10,000 5,000 1,900 2,800 3,800 4,800 7,500 11,000 30,000 2,000 3,000 4,100 5,200 8,000 12,000 35,000 2,100 3,100 4,400 5,700 8,500 12,500 0,000 2,200 3,300 4,600 6,000 9,000 13,000 50,000 2,400 3,500 4,900 6,500 9,500 14,000 0,000 2,500 3,800 5,200 7,000 10,000 15,000 0,000 2,700 4,000 5,700 7,750 11,000 17,000 00,000 2,900 4,200 6,200 8,500 12,000 18,000 50,000 3,200 4,600 7,300 10,000 14,000 21,000 00,000 3,300 4,700 8,000 11,000 16,000 23,000 * prospective rms symmetrical amperes short-circuit current note: ? data ? derived ? from ? peak ? let-thru ? curves llsrk_id series indicator ? powr-pro ? class rk1 fuses 600 vac ? dual-element, time-delay ? 1/10 C 600 amperes
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