POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS J FUSE BLOCKS 600 V Specifications Voltage Ratings Ampere Ratings Leakage Current Flammability Rating Approvals Environmental Recommended Fuses Description The Littelfuse 600 V Class J blocks offer generous space savings and enhanced value over previous generations, such as indication, snap-to-release DIN rail mounting and universal mounting holes. Features/Benefits • • • • • • 600 V 0 – 600 A <0.6 mA at 600 V UL94 V-0 UL Listed (File: E14721) CSA Certified (File: LR7316) RoHS Compliant, Lead (Pb) Free Time Delay Series: JTD_ID Series: JTD Fast Acting Series: JLS For information about Touch-Safe Class J fuse holders: Littelfuse.com/lfpsj Space-saving design – up to 45% smaller Universal mounting holes for easy replacement Indication offered on all versions except 200–600 A One hand release from DIN rail for ferrule style fuses Reinforced fuse clips are standard on all Class J blocks Covers available for 100 A and lower to enhance safety Web Resources Sample requests, downloadable CAD drawings, fuse block cover datasheet and other technical information: Littelfuse.com/fuseblocks Littelfuse.com/lfj 60 1 2 3 1 2 3 LFJ600301 LFJ600302 LFJ600303 LFJ600601 LFJ600602 LFJ600603 CID CID CID CID CID CID PID PID PID — — — SID SID SID — — — 1 LFJ601001 CID — — 100 200 400 600 3 LFJ601003 CID — — 1 3 1 3 1 3 LFJ602001 LFJ602003 LFJ604001 LFJ604003 LFJ606001 LFJ606003 C C C C C C — — — — — — — — — — — — TORQUE 2.8 N-m (25 in-lbs) C P S BASE DIN WIRE RANGE WIRE TYPE TEMP RAIL RATING 6-14 AWG 10-14 AWG 10-22 AWG COVER ORDERING NUMBER* CU Only 125˚C • • LFJ60030FBC CU-AL 125˚C • • LFJ60060FBC 130˚C — • LFJ60100FBC 5.6 N-m (50 in-lbs) 2-4 AWG 2.8 N-m (25 in-lbs) 6-14 AWG 13.6 N-m (120 in-lbs) 2/0-6 AWG 4.5 N-m (40 in-lbs) 8 AWG 4.0 N-m (35 in-lbs) 10-14 AWG 31.1 N-m (275 in-lbs) 250 kcmil-6 CU-AL 130˚C — — — 31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL 130˚C — — — 42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL 130˚C — — — CU-AL Solid / Stranded 30 TERMINAL SUFFIX BASE PART PRESSURE NUMBER BOX LUG PLATE SCREW TERMINAL AMP RATING POLES ORDERING NUMBER INDICATION Ordering Information (Class J 600 V) Note: Reinforcing springs standard on all Class J fuse blocks. *Covers sold individually. One cover needed for each pole. Littelfuse.com/lfj 1 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 4-A-012516 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS J FUSE BLOCKS Dimensions mm (inches) 600 V 30 A 29.2 (1.15) 21.8 (.86) 21.4 (.84) 12.5 (.49) 7.4 (.29) 56.5 (2.23) 43.2 (1.70) 94.1 (3.70) 39.2 (1.54) 34.0 (1.34) 55.9 (2.20) 82.5 (3.25) 49.5 (1.95) Ø.2 THRU Ø.4 .2 R2.8 (.11) TYP. 3.6 (.14) 600 V 60 A 81.2 (3.20) 42.4 (1.67) 32.9 (1.30) 22.5 (.89) 12.0 (.47) 119.9 (4.72) 50.8 (2.00) 89.5 (3.52) 56.9 (2.24) 21.1 (.83) 52.5 (2.07) 97.2 (3.83) 3.6 (.14) 600 V 100 A 48.8 (1.92) 37.1 (1.46) 11.7 (.46) 5.3 (.21) 72.5 (2.86) 138.2 (5.44) 136.1 (5.36) 87.1 (3.43) 49.0 (1.93) 17.3 (.68) 66.5 (2.62) 21.0 (.83) 72.5 (2.86) R3.6 (.14) TYP. Ø.3 THRU Ø.5 .6 Littelfuse.com/lfj 2 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 4-A-012516 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS J FUSE BLOCKS Dimensions mm (inches) 600 V 200 A 76.2 (3.00) 63.5 (2.50) 12.7 (.50) 203.2 (8.00) 190.5 (7.50) 12.7 (.50) 72.4 (2.85) 15.9 (.63) 56.4 (2.22) 77.9 (3.07) 99.3 (3.91) 155.7 (6.13) Ø.3 THRU Ø.8 .4 600 V 400 A 76.2 (3.00) 63.5 (2.50) 60.2 (2.37) 16.0 (.63) 12.7 (.50) 101.6 (4.00) Ø.3 THRU Ø.8 .4 146.1 (5.75) 152.4 (6.00) 254.0 (10.00) 28.6 (1.13) 84.4 (3.32) 15.9 (.63) 101.6 (4.00) 152.4 (6.00) R4.3 (.17) TYP. 600 V 600 A 236.7 (9.32) 194.6 (7.66) 42.2 (1.66) 101.6 (4.00) 73.0 (2.88) Ø.3 THRU Ø.8 .4 304.8 (12.00) 292.1 (11.50) 12.7 (.50) 110.6 (4.36) 15.9 (.63) 119.0 (4.69) 179.5 (7.07) Ø.3 THRU Ø.6 .4 298.5 (11.75) Littelfuse.com/lfj 3 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 4-A-012516