LFH250602

LFH250301_V01 LITTELFUSE | Alldatasheet

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Technical content

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 1 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS

250 V • 600 V

Description

The Littelfuse Class H/K5 and R blocks offer many benefits such as indication, snap-to-release DIN rail mounting and mounting flexibility for easier installation. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted. Features/Benefits Accommodates a wide range of existing mounting configurations Indication offered on most 250 V and 600 V versions One hand release from DIN rail for ferrule style fuses Reinforced fuse clips are standard on all Class H and Class R fuse blocks Covers available for 100 A and lower to enhance safety Both hex and slot set screw options available on 60 Ampere, 600 Volt Class R box lugs Specifications Voltage Rating 250 V, 600 V Ampere Ratings 0-600 A Leakage Current <0.6 mA at 600 V Withstand Rating Class H: 10 kA RMS SYM Class R: 200 kA RMS SYM Materials: Base Thermoplastic Fuse Clip Tin plated copper alloy Box Lug Aluminum Pressure Plate Zinc plated steel Screw Zinc plated steel Flammability Rating UL94 V-0 Approvals UL Listed (File: E14721) CSA Certified (File: LR7316) Environmental RoHS Compliant, Lead (Pb) Free Recommended Fuses Class H/K5 Blocks – 250 V NLN Class R Blocks – 250 V FLNR/FLNR_ID, KLNR, LLNRK Class H/K5 Blocks – 600 V NLS Class R Blocks – 600 V FLSR/FLSR_ID, KLSR, LLSRK/LLSRK_ID, IDSR Web Resources Sample requests, downloadable CAD drawings and other technical information: Littelfuse.com/lfh Littelfuse.com/lfr Ordering Information (Class H 250 V) AMP RATING POLES ORDERING NUMBER TORQUE TERMINAL WIRE RANGE WIRE TYPE BASE TEMP RATING DIN RAIL INDICATION COVER ORDERING NUMBER*BASE PART NUMBER SUFFIX BOX LUG PRES SURE PLATE SCREW

1 LFH250301 C P S

2.8 N-m (25 in-lbs)

125 ˚C • — LFH25030FBC2 LFH250302 C P S P 10-14 AWG

3 LFH250303 C P S S 10-22 AWG

1 LFH250601 CID — — 5.6 N-m (50 in-lbs) 2-4 AWG CU-AL 125 ˚C • • LFH25060FBC2 LFH250602 CID — —

2.8 N-m (25 in-lbs) 6-14 AWG3 LFH250603 CID — —

1 LFH251001 CID — — 13.6 N-m (120 in-lbs) 2/0-6 AWG CU-AL 130 ˚C — • LFH25100FBC4.5 N-m (40 in-lbs) 8 AWG 3 LFH251003 CID — — 4.0 N-m (35 in-lbs) 10-14 AWG 200 1 LFH252001 C — — 31.1 N-m (275 in-lbs) 250 kcmil-6 CU-AL 130 ˚C — — —3 LFH252003 C — — 400 1 LFH254001 C — — 31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL 130 ˚C — — —3 LFH254003 C — — 600 1 LFH256001 C — — 42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL 130 ˚C — — —3 LFH256003 C — — Note: Reinforcing springs standard on all Class H fuse blocks. *Covers sold individually. One cover needed for each pole.

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 2 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS Note: Reinforcing springs standard on all Class H fuse blocks. Note: Reinforcing springs standard on all Class R fuse blocks. Note: Reinforcing springs standard on all Class R fuse blocks. *Covers sold individually. One cover needed for each pole. Ordering Information (Class R 600 V) AMP RATING POLES ORDERING NUMBER TORQUE TERMINAL WIRE RANGE WIRE TYPE BASE TEMP RATING SNAP TO RELEASE INDICATION COVER ORDERING NUMBER* BASE ORDERING NUMBER SUFFIX BOX LUG HEX BOX LUG SLOT PRES SURE PLATE SCREW

1 LFR600301 — CID PID SID

130 ˚C • • LFH60030FBC2 LFR600302 — CID PID SID P 10-14 AWG

3 LFR600303 — CID PID SID S 10-22 AWG

1 LFR600601 CID-HX CID — — 5.6 N-m (50 in-lbs) 2-4 AWG CU-AL 130 ˚C • • LFH60060FBC2 LFR600602 CID-HX CID — —

2.8 N-m (25 in-lbs) 6-14AWG3 LFR600603 CID-HX CID — —

1 LFR601001 CID — — — 13.6 N-m (120 in-lbs) 2/0-6AWG CU-AL 130 ˚C — • LFH60100FBC4.5 N-m (40 in-lbs) 8 AWG 3 LFR601003 CID — — — 4.0 N-m (35 in-lbs) 10-14 AWG 200 1 LFR602001 C — — — 31.1 N-m (275 in-lbs) 250 kcmil-6 CU-AL 130 ˚C — — —3 LFR602003 C — — — 400 1 LFR604001 C — — — 31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL 130 ˚C — — —3 LFR604003 C — — — 600 1 LFR606001 C — — — 42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL 130 ˚C — — —3 LFR606003 C — — — Ordering Information (Class R 250 V) AMP RATING POLES ORDERING NUMBER TORQUE TERMINAL WIRE RANGE WIRE TYPE BASE TEMP RATING SNAP TO RELEASE INDICATION COVER ORDERING NUMBER* BASE ORDERING NUMBER SUFFIX BOX LUG PRES SURE PLATE SCREW

1 LFR250301 C P S

125˚C • — LFH25030FBC2 LFR250302 C P S P 10-14 AWG

3 LFR250303 C P S S 10-22 AWG

1 LFR250601 CID — — 5.6 N-m (50 in-lbs) 2-4 AWG CU-AL 125˚C • • LFH25060FBC2 LFR250602 CID — —

2.8 N-m (25 in-lbs) 6-14 AWG3 LFR250603 CID — —

1 LFR251001 CID — — 13.6 N-m (120 in-lbs) 2/0-6 AWG CU-AL 130˚C — • LFH25100FBC4.5 N-m (40 in-lbs) 8 AWG 3 LFR251003 CID — — 4.0 N-m (35 in-lbs) 10-14 AWG 200 1 LFR252001 C — — 31.1 N-m (275 in-lbs) 250 kcmil-6 CU-AL 130˚C — — —3 LFR252003 C — — 400 1 LFR254001 C — — 31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL 130˚C — — —3 LFR254003 C — — 600 1 LFR256001 C — — 42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL 130˚C — — —3 LFR256003 C — — Ordering Information (Class H 600 V) AMP RATING POLES ORDERING NUMBER TORQUE TERMINAL WIRE RANGE WIRE TYPE BASE TEMP RATING SNAP TO RELEASE INDICATION COVER ORDERING NUMBER* BASE ORDERING NUMBER SUFFIX BOX LUG PRES SURE PLATE SCREW

1 LFH600301 CID PID SID

130˚C • • LFH60030FBC2 LFH600302 CID PID SID P 10-14 AWG

3 LFH600303 CID PID SID S 10-22 AWG

1 LFH600601 CID — — 5.6 N-m (50 in-lbs) 2-4 AWG CU-AL 130˚C • • LFH60060FBC2 LFH600602 CID — —

2.8 N-m (25 in-lbs) 6-14AWG3 LFH600603 CID — —

1 LFH601001 CID — — 13.6 N-m (120 in-lbs) 2/0-6AWG CU-AL 130˚C — • LFH60100FBC4.5 N-m (40 in-lbs) 8 AWG 3 LFH601003 CID — — 4.0 N-m (35 in-lbs) 10-14 AWG 200 1 LFH602001 C — — 31.1 N-m (275 in-lbs) 250 kcmil-6 CU-AL 130˚C — — —3 LFH602003 C — — 400 1 LFH604001 C — — 31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL 130˚C — — —3 LFH604003 C — — 600 1 LFH606001 C — — 42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL 130˚C — — —3 LFH606003 C — —

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 3 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS 31.9 [1.26] 6.8 [.27] 74.7 [2.94] 40.1 [1.58] 8.4 [.33]5.6 [.22] R2.8 [.11] TYP .2 THRU R2.8 [.11] TYP 76.5 [3.01] 3.6 [.14] 38.2 [1.51] 44.6 [1.76] 4.8 [.19] 13.0 [.51] 15.6 [.61] 23.8 [.94] 16.3 [.64] 32.2 [1.27] 15.9 [.63] 31.8 [1.25] 42.9 [1.69] 119.7 [4.71] 37.3 [1.47] 24.9 [.98] R2.8 [.11] TYP 43.9 [1.73] 75.7 [2.98] 9.7 [.38] 14.8 [.58] 22.4 [.88] 55.8 [2.20] 43.1 [1.70] 5.5 [.21] 89.2 [3.51] 76.5 [3.01] 177.8 [7.00] 46.0 [1.81] 126.3 [4.97] 66.0 [2.60] 22.9 [.90] R3.4 [.13] TYP 53.6 [2.11] 72.6 [2.86] 133.0 [5.23] 11.3 [.45] 20.3 [.80] 100.6 [3.96] 51.5 [2.03] 91.6 [3.61]

250 V 30 A

250 V 60 A

250 V 100 A

Dimensions mm (inches)

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 4 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS 181.1 [7.13] 76.2 [3.00] 228.6 [9.00] Ø.3 THRU 72.4 [2.85] 15.9 [.63] R4.3 [.17] TYP. 63.5 [2.50] 12.7 [.50] 63.5 [2.50] 52.6 [2.07] 128.5 [5.06] 12.7 [.50] 19.1 [.75] 165.1 [6.50] 184.2 [7.25] 215.9 [8.50] Ø.3 THRU Ø.8 .4 88.9 [3.50] 292.1 [11.50] 95.3 [3.75] 15.9 [.63] 15.9 [.63] 108.0 [4.25] 184.2 [7.25] 22.2 [.88] 66.7 [2.63] 95.3 [3.75] 196.9 [7.75] 15.9 [.63] 250.8 [9.88] Ø.3 THRU Ø.8 .4 Ø.3 THRU Ø.8 .4 355.6 [14.0] 114.3 [4.5] 114.3 [4.5] 317.5 [12.5] 19.1 [.8] 114.3 [4.5] 110.6 [4.4] 15.9 [.6] 139.7 [5.5] 215.9 [8.5] 19.1 [.8] 34.9 [1.4] 79.4 [3.1] 241.3 [9.5] 298.5 [11.8] Ø.3 THRU Ø.6 .4 Ø.3 THRU Ø.8 .4 Ø.3 THRU Ø.6 .4

250 V 200 A

250 V 400 A

250 V 600 A

Dimensions mm (inches)

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 5 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS 166.7 [6.56] 38.4 [1.51] 73.1 [2.88] R3.4 [.13] TYP R2.6 [.10] TYP 47.6 [1.87] 56.0 [2.20] 118.6 [4.67] 127.1 [5.00] 16.8 [.66] 21.5 [.85] 6.4 [.25] 41.1 [1.62] 107.9 [4.25] 20.7 [.82] 52.5 [2.07] 75.9 [2.99] 86.4 [3.40] 184.2 [7.25] 43.8 [1.73] .5 .5 R3.4 [.13] TYP 59.7 [2.35] 22.9 [.90] 55.2 [2.18]74.2 [2.92] 134.6 [5.30] 11.4 [.45] 19.9 [.78] 29.8 [1.17] 32.4 [1.28] 59.6 [2.35] 69.5 [2.74] 99.4 [3.91] 109.3 [4.30] .2 THRU 228.6 [9.00] R3.4 [.13] TYP 53.4 [2.10] 145.3 [5.72] 66.0 [2.60] 22.9 [.90] 64.6 [2.54] 15.0 [.59] 19.6 [.77] 33.8 [1.33] 172.8 [6.80] 61.0 [2.40] 79.8 [3.14] 107.0 [4.21] 125.7 [4.95]

600 V 30 A

600 V 60 A

600 V 100 A

Dimensions mm (inches)

Littelfuse.com © 2021 Littelfuse, Inc. Rev: 010821 6 of 6 POWR-GARD® Blocks and Holders Datasheet LF SERIES CLASS H/K5 AND R FUSE BLOCKS 244.3 [9.62] 76.2 [3.00] 12.7 [.50] 52.3 [2.06] 84.2 [3.32] 228.6 [9.00] 12.7 [.50] 31.8 [1.25] Ø.3 THRU Ø.3 THRU Ø.3 THRU Ø.3 THRU Ø.8 .4 R4.3 [.17] TYP. 52.3 [2.06] 72.4 [2.85] 15.9 [.63] 160.1 [6.31] 192.0 [7.56] 63.5 [2.50] 44.5 [1.75] 76.7 [3.02] 84.1 [3.31] 160.3 [6.31] 196.9 [7.75] Ø.7 .4 Ø.8 .4 88.9 [3.50] 368.3 [14.50] 15.9 [.63] 22.2 [.88] 95.3 [3.75] 146.1 [5.75] 266.7 [10.50] 15.9 [.63] 84.4 [3.32] 15.9 [.63] 222.3 [8.75] 273.1 [10.75] 66.7 [2.63] 73.0 [2.88] 250.8 [9.88] Ø.8 .4 Ø.3 THRU 114.3 [4.50] 431.8 [17.00] 19.1 [.75] 114.3 [4.50] 177.8 [7.00] 317.5 [12.50] 110.6 [4.36] 15.9 [.63] 254.0 [10.00] 34.9 [1.38] 79.4 [3.13] 95.3 [3.75] 19.1 [.75] 298.5 [11.75] Ø.8 .4 Ø.3 THRU Ø.6 .4 Ø.3 THRU

600 V 200 A

600 V 400 A

600 V 600 A

Dimensions mm (inches) 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