POWR-GARD(R) Blocks and Holders Datasheet LF SERIES CLASS T FUSE BLOCKS 300 V * 600 V Specifications Voltage Ratings Ampere Ratings Leakage Current Withstand Rating Flammability Rating Approvals Environmental Description Recommended Fuses The Littelfuse Class T fuse blocks offer many advantages such as space saving design, universal mounting holes, snap-to-release DIN rail mounts and available covers. 300 V JLLN 600 V JLLS Web Resources Features/Benefits * * * * * 300 V/600 V 0 - 600 A <0.6 mA at 600 V 200 kA RMS SYM UL94 V-0 UL Listed (File: E14721) CSA Certified (File: LR7316) RoHS Compliant, Lead (Pb) Free Sample requests, downloadable CAD drawings and other technical information: littelfuse.com/lft littelfuse.com/fuseblocks Space-saving design Universal mounting holes for easy replacement One hand release from DIN rail for 30-60 A fuses Reinforced fuse clips are standard Covers available for most amperages to enhance safety 1 2 3 30 LFT30030 1 2 3 C -- -- 5.6 N-m (50 in-lbs) 2.8 N-m (25 in-lbs) 5.6 N-m (50 in-lbs) 2.8 N-m (25 in-lbs) 13.6 N-m (120 in-lbs) 4.5 N-m (40 in-lbs) 4.0 N-m (35 in-lbs) 31.1 N-m (275 in-lbs) (2) 31.1 N-m (275 in-lbs) (2) 42.4 N-m (375 in-lbs) 2-4 AWG 6-14 AWG 2-4 AWG 6-14 AWG 2/0-6 AWG 8 AWG 10-14 AWG 250 kcmil-6 250 kcmil-6 500 kcmil-6 60 LFT30060 1 2 3 C -- -- 100 LFT30100 1 -- 3 CS -- -- 200 400 600 LFT30200 LFT30400 LFT30600 1 1 1 -- -- -- 3 3 3 CS CS CS -- -- -- -- -- -- TORQUE WIRE RANGE WIRE TYPE DIN RAIL MOUNT WIRE RANGE Solid/Stranded TORQUE TERMINAL SUFFIX BOX PRESSURE SCREW LUG PLATE BASE ORDERING NUMBER BASE TEMP RATING ORDERING NUMBER POLES CU-AL AMP RATING Ordering Information (Class T 300 V) COVER ORDERING NUMBER* 125C * LFT30030FBC 125C * LFT30060FBC 130C -- LFT30100FBC 130C 130C 130C -- -- -- -- -- -- 2 3 30 LFT60030 1 2 3 C P S 60 LFT60060 1 2 3 C -- -- 100 LFT60100 1 -- 3 CS -- -- 200 400 600 LFT60200 LFT60400 LFT60600 1 1 1 -- -- -- 3 3 3 CS CS CS -- -- -- -- -- -- 5.6 N-m (50 in-lbs) 2.8 N-m (25 in-lbs) 5.6 N-m (50 in-lbs) 2.8 N-m (25 in-lbs) 13.6 N-m (120 in-lbs) 4.5 N-m (40 in-lbs) 4.0 N-m (35 in-lbs) 31.1 N-m (275 in-lbs) (2) 31.1 N-m (275 in-lbs) (2) 42.4 N-m (375 in-lbs) 2-4 AWG see 6-14 AWG note 2-4 AWG 6-14 AWG 2/0-6 AWG 8 AWG 10-14 AWG 250 kcmil-6 250 kcmil-6 500 kcmil-6 DIN RAIL MOUNT 1 WIRE TYPE Solid/Stranded TERMINAL SUFFIX BOX PRESSURE SCREW LUG PLATE BASE ORDERING NUMBER BASE TEMP RATING ORDERING NUMBER POLES CU-AL AMP RATING Ordering Information (Class T 600 V) COVER ORDERING NUMBER* 125C * LFT60030FBC 125C * LFT60060FBC 130C -- LT60100FBC 130C 130C 130C -- -- -- LT60200FBC LT60400FBC LT60600FBC * Covers sold individually. One cover needed for each pole. Wire Type for Pressure Plate and Screw Terminal is CU only littelfuse.com/lft 1 of 5 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 4-A-121818 POWR-GARD(R) Blocks and Holders Datasheet LF SERIES CLASS T FUSE BLOCKS Dimensions mm (inches) 300 V 30 A 21.8 [.86] 15.0 [.59] 59.9 [2.36] 40.9 [1.61] 6.9 [.27] 35.6 [1.40] 44.9 [1.77] 25.9 [1.02] 35.6 [1.40] O4.5 [.18] TYP. 71.1 [2.80] 3.7 [.15] 300 V 60 A 46.9 [1.85] 24.6 [.97] 16.4 [.65] 30.5 [1.20] 8.2 [.32] 41.9 [1.65] 69.1 [2.72] 52.7 [2.07] 36.8 [1.45] O4.5 [.18] TYP. 73.7 [2.90] 4.5 [.18] 300 V 100 A 34.8 [1.37] 104.6 [4.12] 26.9 [1.06] 17.4 [.69] 26.0 [1.03] 17.4 [.69] 7.9 [.31] 7.9 [.31] 9.5 [.38] 66.7 [2.63] 133.4 [5.25] littelfuse.com/lft 42.8 [1.69] 47.6 [1.88] O.2 THRU O.4 .5 15.9 [.63] O.2 THRU O.4 .5 O.2 THRU O.5 .4 R3.2 [.13] TYP. 2 of 5 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 4-A-121818 POWR-GARD(R) Blocks and Holders Datasheet LF SERIES CLASS T FUSE BLOCKS Dimensions mm (inches) 38.1 [1.50] 19.1 [.75] 300 V 200 A O.3 THRU O.5 .5 9.5 [.38] 114.3 [4.50] 92.1 [3.63] 22.2 [.88] 9.5 [.38] 57.2 [2.25] 15.9 [.63] 88.9 [3.50] R3.6 [.14] TYP. 168.3 [6.63] 177.8 [7.00] 28.6 [1.13] 12.7 [.50] 300 V 400 A 171.5 [6.75] 127.0 [5.00] 57.2 [2.25] 9.5 [.38] 103.1 [4.06] 60.6 [2.38] 85.7 [3.38] O.3 THRU O.5 .5 15.9 [.63] O.3 THRU O.6 .5 206.2 [8.12] 300 V 600 A 209.6 [8.25] 9.5 [.38] 8.8 [.35] 79.4 [3.13] 69.9 [2.75] 60.3 [2.38] 74.4 [2.93] 60.3 [2.38] O.3 THRU O.5 .5 15.9 [.63] 54.0 [2.13] 111.1 [4.38] O.3 THRU O.8 .5 213.5 [8.41] 222.3 [8.75] littelfuse.com/lft 3 of 5 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 4-A-121818 POWR-GARD(R) Blocks and Holders Datasheet LF SERIES CLASS T FUSE BLOCKS Dimensions mm (inches) 600 V 30 A 24.6 [.97] 17.0 [.67] 46.9 [1.85] 69.1 [2.72] 29.8 [1.17] 7.6 [.30] 41.9 [1.65] 52.0 [2.05] 44.8 [1.77] R2.9 [.11] TYP. 89.7 [3.53] 600 V 60 A 39.9 [1.57] 9.5 [.38] 54.0 [2.13] 112.3 [4.42] 76.1 [3.00] 81.9 [3.23] 45.7 [1.80] 36.2 [1.42] 72.3 [2.85] 3.7 [.15] 600 V 100 A 34.8 [1.37] 17.5 [.69] 7.9 [.31] 9.5 [.38] 77.0 [3.03] 26.0 [1.03] O.2 THRU 7.9 [.31] O.4 .5 42.8 [1.69] 104.6 [4.12] 47.6 [1.88] 15.9 [.63] 77.0 [3.03] O.3 THRU O.5 .4 R3.2 [.13] TYP. 153.9 [6.06] littelfuse.com/lft 4 of 5 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 4-A-121818 POWR-GARD(R) Blocks and Holders Datasheet LF SERIES CLASS T FUSE BLOCKS Dimensions mm (inches) 38.1 [1.50] 600 V 200 A 19.1 [.75] 114.3 [4.50] 19.1 [.75] 57.2 [2.25] 15.9 [.63] O.3 THRU 9.5 [.38] O.5 .5 9.5 [.38] 98.4 [3.88] O.3 THRU O.6 .5 196.9 [7.75] 57.2 [2.25] 600 V 400 A 44.5 [1.75] 171.5 [6.75] 28.6 [1.13] 127.0 [5.00] 12.7 [.50] O.3 THRU O.5 .5 9.5 [.38] 60.3 [2.38] 85.7 [3.38] 15.9 [.63] 114.3 [4.50] O.3 THRU O.6 .5 228.6 [9.00] 600 V 600 A 209.6 [8.25] 149.2 [5.88] 69.9 [2.75] 130.2 [5.13] 60.3 [2.38] 9.5 [.38] 9.5 [.38] O.3 THRU O.5 .5 79.4 [3.13] 60.3 [2.38] 54.0 [2.13] 74.4 [2.93] 15.9 [.63] 123.8 [4.88] O.3 THRU O.8 .5 247.7 [9.75] Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer. littelfuse.com/lft 5 of 5 (c) 2018 Littelfuse POWR-GARD(R) Products Rev: 4-A-121818 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: LFT300303C LFT300302C LFT600301S LFT600302S LFT301003CS LFT606001CS LFT602001CS LFT604001CS LFT600603C LFT601001CS LFT300602C LFT600303C LFT600303S LFT600601C LFT302001CS LFT600302C LFT301001CS LFT601003CS LFT600602C LFT304001CS LFT306001CS LFT600301C LFT300601C LFT606003CS LFT300301C LFT300603C LFT604003CS LFT304003CS LFT602003CS LFT600301P LFT306003CS LFT600302P LFT302003CS LFT600303P