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 jtd_id series indicator ? powr-pro ? class j fuses 600 vac ? time delay ? 8/10 C 600 amperes the littelfuse powr-pro jtd_id indicator class j fuse provides visual blown fuse indication and maximum protection in a compact package. the compact class j package was designed specifically for circuits where space is at a premium. the current-limiting time delay jtd_id offers a patented, true dual-element design that is ideal for use in circuits with high, in-rush currents. the superior performance characteristics of jtd_id indicator fuses reduce nuisance fuse opening, and the blown fuse indication reduces downtime while increasing safety. applications fused combination motor controllers to provide iec type 2 (no damage) motor branch circuit short-circuit and ground fault protection motor control centers transformer protection protection for ul listed series rated molded case circuit breaker panels general purpose circuits mains, feeders and branch circuits especially when space is limited. features/benefits ? reduce downtime a glance at the indicating window of a jtd_id indicator fuse pinpoints open fuses immediately. if the indicating window is dark, the fuse has opened. its that simple. ? reduce nuisance opening indicator fuses have superior time-delay and cycling characteristics which can lengthen fuse life and decrease needless opening. ? reduce fuse inventory jt d _id indicator fuses have superior performance characteristics, which means they can be used on a variety of applications; therefore, decreasing fuse inventory. ? reduce equipment damage indicator fuses provide superior overload and short-circuit protection that can reduce equipment damage. indicator fuses also provide iec type 2 no damage protection to iec and nema type motor starters. ? reduce accidents the jtd_id indicator fuse improves safety by minimizing exposure to live circuits. unlike other forms of blown fuse indication, once the indicating window darkens, it stays dark. it does not matter if the power is on or off or if the fuse is in a tool box. other forms of indication require the power to remain on, which is a safety hazard for personnel. specifications voltage ratings: ac: 600 volts dc: 300 volts ( 8 ? 10 C 100a) 500 volts (110 C 600a) interrupting ratings: ac: 200,000 a m peres rms sy m me t r i cal 300,000 amperes rms symmetrical (littelfuse self-certified) ampere range: 8/10 C 600 amperes approvals: ac: standard 248-8, class j ullisted (file no: e81895) csa certified (file no: lr29862) dc: littelfuse self-certified 8 ? 10 - 100a: 300vdc self certified 110 C 600a: 500vdc self certified ampere ratings 8 ? 10 2 8 ? 10 7 30 100 350 1 3 8 35 110 400 1 1 ? 4 3 2 ? 10 9 40 125 450 1 1 ? 2 3 1 ? 2 10 45 150 500 1 6 ? 10 4 12 50 175 600 1 8 ? 10 4 1 ? 2 15 60 200 2 5 17 1 ? 2 70 225 2 1 ? 4 5 6 ? 10 20 80 250 2 1 ? 2 6 25 90 300 example part number (series & amperage): jtd 60 id recommended fuse blocks lj600 series, lpsj series refer to blocks & holders section of this catalog for a d d i tio n al i n fo r m a tion.
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 jtd_id series indicator ? powr-pro ? class j fuses 600 vac ? time-delay ? 8/10 C 600 amperes a c d g f e h a b d fig. 1 fig.2 an inside look . . . superior short-circuit elements reduce damage to equipment and enables the littelfuse jtd_id to provide iec type 2 no damage protection to iec and nema motor starters. stone-sand filler helps provide i 2 t and i peak values well below ul maximum limits and improves heat dissipation and reliability. elastomeric silicone epr plug a space-age material used in the patented overload section of the littelfuse jtd_id. plated end caps help reduce corrosion and provide superior contact for lower heat generation. blown fuse indicator incorporates precision wound elements to provide consistent and reliable blown fuse indication. solid state overload section patented thermally reversible design utilizes high-tech aircraft grade polymers to ensure reliable operation every time. granular quartz filler assists in quenching the arc that occurs during overload conditions. amperes refer to fig. no. dimensions in inches (mm in parentheses) a b c d e f g h 8/10C 30 1 2 1 ? 4 (57.2) 1 ? 2 (12.7) 13 ? 16 (20.6) 35 C 60 1 2 3 ? 8 (60.3) 5 ? 8 (15.9) 1 1 ? 16 (27.0) 70 C 100 2 2 5 ? 8 (66.7) 3 5 ? 8 (92.1) 4 5 ? 8 (117.5) 1 1 ? 8 (28.6) 3 ? 4 (19.1) 9 ? 32 (7.1) 1 ? 8 (3.2) 110 C 200 2 3 (76.2) 4 3 ? 8 (111.1) 5 3 ? 4 (146.1) 1 5 ? 8 (41.3) 1 1 ? 8 (28.6) 9 ? 32 (7.1) 3 ? 16 (4.8) 225 C 400 2 3 3 ? 8 (85.7) 5 1 ? 4 (133.4) 7 1 ? 8 (181.0) 2 1 ? 8 (54.0) 1 5 ? 8 (41.3) 13 ? 32 (10.3) 1 ? 4 (6.4) 450 C 600 2 3 3 ? 4 (95.3) 6 (152.4) 8 (203.2) 2 5 ? 8 (66.7) 2 (50.8) 17 ? 32 (13.5) 3 ? 8 (9.5)
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 jtd_id series indicator ? powr-pro ? class j fuses 600 vac ? time-delay ? 8/10 C 600 amperes current-limiting effects of jtd_id (600v) fuses 1000000 100000 10000 1000 1000 10000 100000 200000 100 100 600a 400a 200a 100a 60a 30a 15a 12a 5.6a ava ilable f aul t symmetrical r.m.s. amperes peak let -thru in amperes short circuit current* apparent rms sy m me t r i cal for various fuse ratings 5a 30a 0a 00a 00a 00a 00a 5,000 565 750 1,500 1,800 2,800 4,800 5,000 0,000 675 925 1,900 2,450 3,600 5,700 7,750 5,000 775 1,050 2,100 2,800 4,100 6,500 9,000 0,000 825 1,125 2,300 3,000 4,400 7,250 9,700 5,000 900 1,200 2,500 3,300 5,000 8,000 10,500 30,000 950 1,300 2,600 3,500 5,100 8,400 11,000 35,000 1,000 1,350 2,700 3,700 5,400 9,000 12,000 0,000 1,050 1,400 2,800 3,900 5,600 9,200 12,500 50,000 1,100 1,500 3,000 4,200 6,000 10,000 13,000 0,000 1,200 1,600 3,200 4,500 6,400 10,500 14,000 0,000 1,300 1,700 3,400 4,900 7,200 11,200 15,500 00,000 1,375 1,800 3,600 5,200 7,800 12,200 16,500 50,000 1,500 2,000 3,950 6,000 9,000 14,500 19,000 00,000 1,600 2,175 4,000 6,500 10,000 16,000 20,500 * prospective rms symmetrical amperes short-circuit current note: ? data ? derived ? from ? peak ? let-thru ? curves
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