POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES 600 Vac * 300 Vdc * Time-Delay * 1/10 -30 A Specifications Voltage Rating AC: 600 V DC: 300 V 1/10 - 30 A AC: 200 kA rms symmetrical DC: 20 kA Body: Melamine Caps: Nickel-plated Bronze .019 lb (8.62g) AC: S tandard 248-4, Class CC UL Listed 1/10 -30 A (File: E81895) CSA Certified 1/10 -30 A (File: LR29862) DC: Littelfuse self-certified RoHS Compliant Mexico Amperage Rating Interrupting Rating Material Fuse Weight Approvals Environmental Country of Origin Description KLDR fuses are time-delay fuses designed to protect control transformers, solenoids and similar inductive components with high magnetizing currents during the first half-cycle. They provide excellent protection of motor branch circuits containing IEC or NEMA rated motor controllers or contactors. Ordering Information / 1/8 15/100 3/16 2/10 1/4 3/10 4/10 1/2 / 3/4 8/10 1 1 1/8 1 1/4 1 4/10 1 1/2 1 6/10 6 10 1 10 Features/Benefits * Meets UL and CSA standards * Class CC fuses are the smallest 600 V, 200,000 A.I.R. fuses approved for branch circuit protection * Rejection feature prevents use of fuses with lower interrupting ratings or voltage ratings when used with corresponding fuse holders AMPERAGE RATINGS 1 8/10 2 2 1/4 2 1/2 2 8/10 3 3 2/10 3 1/2 4 10 12 15 17 1/2 20 25 30 -- -- Part Numbering System * Extremely current limiting reduces damage caused by heating and magnetic effects of short-circuit currents KLDR xxx T XP Options Series Applications XP = RoHS Compliant Amp Code * Transformer Protection Package Quantity Refer to Amp Code Column in Electrical Specifications Table Web Resources For additional informations, visit: littelfuse.com/kldr Recommended Fuse Holders L60030C Series LPSC Touch-Safe Series T = 10 H = 100 SERIES AMPERAGE KLDR 10 PACKAGE QUANTITY 10 CATALOG NUMBER KLDR 10 ORDERING NUMBER KLDR010.TXP Dimensions Inches (mm) .25 1.50 (6.4) (38.1) .41 0-30 A (10.3) .50 (12.7) littelfuse.com 4 1/2 5 5 6/10 6 6 1/4 7 7 1/2 8 9 1 of 7 .125 (3.2) (c) 2016 Littelfuse POWR-GARD(R) Products Rev: 041416 POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES Electrical Specifications ORDERING NUMBER AMPERAGE RATING VOLTAGE RATING AC DC INTERRUPTING RATING AC MELT (PRE-ARC) I2T (A2SEC) UPC AGENCY APPROVALS TOTAL CLEARING I2T (A2 SEC) DC UL CSA RoHS KLDR.100TXP 1/10 600 300 200 kA 20 kA 079458 96877 0.0004 0.0059 * * * KLDR.125TXP 1/8 600 300 200 kA 20 kA 079458 96878 0.0007 0.0055 * * * KLDR.150TXP 15/100 600 300 200 kA 20 kA 079458 96879 0.0016 0.0059 * * * KLDR.187TXP 3/16 600 300 200 kA 20 kA 079458 96880 0.0040 0.0267 * * * KLDR.200TXP 2/10 600 300 200 kA 20 kA 079458 79239 0.0018 0.0230 * * * * KLDR.250TXP 1/4 600 300 200 kA 20 kA 079458 79240 0.0138 0.0967 * * KLDR.300TXP 3/10 600 300 200 kA 20 kA 079458 79241 0.0111 0.1005 * * * KLDR.400TXP 4/10 600 300 200 kA 20 kA 079458 79242 0.0579 0.1420 * * * KLDR.500TXP 1/2 600 300 200 kA 20 kA 079458 79243 0.0877 0.3121 * * * KLDR.600TXP 6/10 600 300 200 kA 20 kA 079458 79244 0.1404 0.3742 * * * KLDR.750TXP 3/4 600 300 200 kA 20 kA 079458 79245 0.2911 1.972 * * * KLDR.800TXP 8/10 600 300 200 kA 20 kA 079458 79246 0.2416 2.064 * * * KLDR001.TXP 1 600 300 200 kA 20 kA 079458 79247 0.4494 5.883 * * * KLDR1.12TXP 1-1/8 600 300 200 kA 20 kA 079458 79248 0.5049 5.149 * * * KLDR1.25TXP 1-1/4 600 300 200 kA 20 kA 079458 79249 0.4367 7.354 * * * KLDR01.4TXP 1-4/10 600 300 200 kA 20 kA 079458 79250 0.8135 7.639 * * * KLDR01.5TXP 1-1/2 600 300 200 kA 20 kA 079458 79251 0.9302 5.885 * * * KLDR01.6TXP 1-6/10 600 300 200 kA 20 kA 079458 79252 0.7495 6.682 * * * KLDR01.8TXP 1-8/10 600 300 200 kA 20 kA 079458 79253 0.9964 6.594 * * * KLDR002.TXP 2 600 300 200 kA 20 kA 079458 79254 0.8615 14.01 * * * KLDR2.25TXP 2-1/4 600 300 200 kA 20 kA 079458 79255 1.126 26.41 * * * KLDR02.5TXP 2-1/2 600 300 200 kA 20 kA 079458 79256 2.087 35.35 * * * KLDR02.8TXP 2-8/10 600 300 200 kA 20 kA 079458 79257 21.28 45.47 * * * KLDR003.TXP 3 600 300 200 kA 20 kA 079458 79258 23.21 55.99 * * * KLDR03.2TXP 3-2/10 600 300 200 kA 20 kA 079458 79259 37.92 57.27 * * * KLDR03.5TXP 3-1/2 600 300 200 kA 20 kA 079458 79260 21.42 109.4 * * * KLDR004.TXP 4 600 300 200 kA 20 kA 079458 79261 83.81 258.6 * * * KLDR04.5TXP 4-1/2 600 300 200 kA 20 kA 079458 79262 83.89 110.6 * * * KLDR005.TXP 5 600 300 200 kA 20 kA 079458 79263 63.33 84.04 * * * KLDR05.6TXP 5-6/10 600 300 200 kA 20 kA 079458 79264 87.66 114.0 * * * KLDR006.TXP 6 600 300 200 kA 20 kA 079458 79265 129.5 161.9 * * * KLDR6.25TXP 6-1/4 600 300 200 kA 20 kA 079458 79266 147.6 261.7 * * * KLDR007.TXP 7 600 300 200 kA 20 kA 079458 79267 202.4 513.4 * * * KLDR07.5TXP 7-1/2 600 300 200 kA 20 kA 079458 79268 321.8 813.0 * * * KLDR008.TXP 8 600 300 200 kA 20 kA 079458 79269 111.2 1,145 * * * KLDR009.TXP 9 600 300 200 kA 20 kA 079458 79270 73.40 1,334 * * * KLDR010.TXP 10 600 300 200 kA 20 kA 079458 79271 132.0 934.8 * * * KLDR012.TXP 12 600 300 200 kA 20 kA 079458 79272 154.7 1,723 * * * KLDR015.TXP 15 600 300 200 kA 20 kA 079458 79273 200.5 2,248 * * * KLDR17.5TXP 17-1/2 600 300 200 kA 20 kA 079458 79274 87.50 722.8 * * * KLDR020.TXP 20 600 300 200 kA 20 kA 079458 79275 123.8 1,363 * * * KLDR025.TXP 25 600 300 200 kA 20 kA 079458 79276 226.0 1,710 * * * KLDR030.TXP 30 600 300 200 kA 20 kA 079458 79277 299.6 1,990 * * * littelfuse.com 2 of 7 (c) 2016 Littelfuse POWR-GARD(R) Products Rev: 041416 POWR-GARD(R) Fuse Datasheet Electrical Specifications ORDERING NUMBER WATTS LOSS AMPERAGE WATTS LOSS AT 80% AT 100% RATED RATING RATED CURRENT(W) CURRENT(W) KLDR001.TXP 1 1.67 1.34 KLDR005.TXP 5 1.31 0.75 KLDR010.TXP 10 1.41 .86 KLDR015.TXP 15 1.72 1.03 KLDR020TXP 20 2.3 1.39 KLDR030.TXP 30 2.75 1.62 Current-Limiting Effects SHORT CIRCUIT CURRENT* 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 50,000 60,000 80,000 100,000 150,000 200,000 APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS 4A 349 440 504 554 597 634 668 698 752 799 880 948 1085 1194 6A 420 529 605 666 718 763 803 840 904 961 1058 1139 1304 1436 7.5 A 521 656 751 827 890 946 996 1041 1122 1192 1312 1413 1618 1781 8A 437 551 631 694 748 795 837 875 942 1001 1102 1187 1359 1496 10 A 359 452 517 569 613 651 686 717 772 821 903 973 1114 1226 12 A 369 465 532 585 630 670 705 737 794 844 929 1001 1146 1261 15 A 435 548 627 690 743 790 832 870 937 995 1096 1180 1351 1487 20 A 456 575 658 724 780 829 872 912 983 1044 1149 1238 1417 1560 30 A 621 783 896 986 1063 1129 1189 1243 1339 1423 1566 1687 1931 2125 *Prospective RMS Symmetrical Amperes Short-Circuit Current Note: Data Derived from Peak Let-Thru Curves PERCENT OF UPRATING Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse) 60 40 20 0 0 40 60 -60C -76F littelfuse.com -40C -40F -20C -4F 0C 32F 20C 40C 60C 68F 104F 140F AMBIENT TEMPERATURE 80C 176F 100C 212F 3 of 7 120C 248F PERCENT OF DOWNRATING 20 140C 284F (c) 2016 Littelfuse POWR-GARD(R) Products Rev: 041416 POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES 1,000,000 1,000,000 100,000 100,000 PEAK LET- THRU IN AMPERES PEAK LET- THRU IN AMPERES Peak Let-Thru Curves 6A 4A - 10,000 1,000 100 8A 10,000 1,000 100 1,000 10,000 100 100,000 100 1,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: CHICAGO, IL. USA DRAWING NO.: PEAK LET-THRU CHARACTERISTIC CURVES TIME CONSTANT/POWER FACTOR: DRAWN BY: LLL DATE: 11/12/12 REVISION: C LITTELFUSE, INC. 1,000,000 SHEET 2 OF 6 CHICAGO, IL. USA DRAWING NO.: PEAK LET-THRU CHARACTERISTIC CURVES FCC05-KLDRP SHEET 3 OF 6 FCC05-KLDRP - DATA GENERATED IN EXCEL - 100,000 PEAK LET- THRU IN AMPERES 100,000 PEAK LET- THRU IN AMPERES FUSE CATALOG NUMBER: KLDRP 4A - 30A - DATA GENERATED IN EXCEL - 10A 10,000 1,000 100 100,000 BASIS FOR DATA: DRAWN BY: LLL DATE: 11/12/12 REVISION: C LITTELFUSE, INC. 1,000,000 TEST VOLTAGE: KLDRP 4A - 30A BASIS FOR DATA: 10,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES 15A 12A 10,000 1,000 100 1,000 10,000 100 100,000 100 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: littelfuse.com TEST VOLTAGE: KLDRP 4A - 30A LITTELFUSE, INC. CHICAGO, IL. USA PEAK LET-THRU CHARACTERISTIC CURVES DRAWN BY: LLL DATE: 11/12/12 REVISION: C DRAWING NO.: 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES FUSE CATALOG NUMBER: BASIS FOR DATA: 1,000 4 of 7 TIME CONSTANT/POWER FACTOR: KLDRP 4A - 30A LITTELFUSE, INC. DRAWN BY: (c) 2016 Littelfuse POWR-GARD(R) Products CHICAGO, IL. USA SHEET 4 OF 6 FCC05-KLDRP FUSE CATALOG NUMBER: BASIS FOR DATA: PEAK LET-THRU CHARACTERISTIC CURVES LLL DATE: REVISION: 11/12/12 C DRAWING NO.: Rev: 041416 SHEET 5 OF 6 FCC05-KLDRP POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES Peak Let-Thru Curves 1,000,000 PEAK LET- THRU IN AMPERES 100,000 30A 20A 10,000 1,000 100 100 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: FUSE CATALOG NUMBER: Time Current Curves KLDRP 4A - 30A BASIS FOR DATA: LITTELFUSE, INC. 1000 900 800 700 600 500 1000 900 800 700 600 500 400 400 300 300 200 400 300 - 3/10A 200 200 - 4/10A - 2/10A - 1/2A - 1/4A 100 90 80 70 60 50 40 40 40 40 30 30 30 30 20 20 20 20 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 4 4 4 4 3 3 3 3 2 2 2 2 TIME IN SECONDS 100 90 80 70 60 50 100 90 80 70 60 50 TIME IN SECONDS 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 200 1 0.9 0.8 0.7 0.6 0.5 - 3/16A 0.4 - 15/100A 0.3 - 1/8A 300 0.2 SHEET 6 OF 6 1000 900 800 700 600 500 FCC05-KLDRP - 1/10A - DATA GENERATED IN EXCEL - 400 0.1 1000 900 800 700 600 500 400 300 DRAWING NO.: 200 40 30 20 4 3 2 PEAK LET-THRU CHARACTERISTIC CURVES 100 90 80 70 60 50 CHICAGO, IL. USA 10 9 8 7 6 5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 DRAWN BY: LLL DATE: 11/12/12 REVISION: C 100 90 80 70 60 50 - 6/10A - 3/4A - 8/10A 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 TIME CURRENT CHARACTERISTIC CURVES 10 9 8 7 6 5 CHICAGO, IL. USA 4 CURRENT IN AMPERES FUSE CATALOG NUMBER: TEST VOLTAGE: KLDRP 1/10A - 30A LITTELFUSE, INC. 3 littelfuse.com 2 TIME CONSTANT/POWER FACTOR: BASIS FOR DATA: 1 0.9 0.8 0.7 0.6 0.5 TEST VOLTAGE: 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 CURRENT IN AMPERES 5 of 7 DRAWN BY: LLL DATE: 11/12/12 REVISION: B DRAWING NO.: TIME CONSTANT/POWER FACTOR: KLDRP 1/10A - 30A LITTELFUSE, INC. DRAWN BY: (c) 2016 Littelfuse POWR-GARD(R) Products CHICAGO, IL. USA SHEET FCC01-KLDRP 2 OF 11 FUSE CATALOG NUMBER: BASIS FOR DATA: TIME CURRENT CHARACTERISTIC CURVES LLL DATE: REVISION: DRAWING NO.: Rev: 041416 11/12/12 B SHEET FCC01-KLDRP 3 OF 11 POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES Time Current Curves 1000 900 800 700 600 500 1000 900 800 700 600 500 400 400 400 400 300 300 300 300 200 200 200 200 100 90 80 70 60 50 100 90 80 70 60 50 100 90 80 70 60 50 40 40 - 1-1/2A 100 90 80 70 60 50 30 30 - 1-6/10A 20 20 40 - 1A 30 - 1-1/8A - 1-1/4A TIME IN SECONDS - 1-4/10A 10 9 8 7 6 5 10 9 8 7 6 5 4 4 3 3 2 2 TIME IN SECONDS 1000 900 800 700 600 500 20 40 30 - 1-8/10A 20 - 2A - 2-1/4A 10 9 8 7 6 5 10 9 8 7 6 5 4 4 3 3 2 2 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 CURRENT IN AMPERES FUSE CATALOG NUMBER: TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: KLDRP 1/10A - 30A BASIS FOR DATA: CHICAGO, IL. USA KLDRP 1/10A - 30A DRAWN BY: LLL DATE: 11/12/12 REVISION: B LITTELFUSE, INC. CHICAGO, IL. USA 4 OF 11 DRAWING NO.: SHEET 400 300 200 FCC01-KLDRP 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 TIME CURRENT CHARACTERISTIC CURVES 5 OF 11 1000 900 800 700 600 500 SHEET FCC01-KLDRP 1000 900 800 700 600 500 DRAWING NO.: FUSE CATALOG NUMBER: BASIS FOR DATA: DRAWN BY: LLL DATE: 11/12/12 REVISION: B LITTELFUSE, INC. TIME CURRENT CHARACTERISTIC CURVES 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 CURRENT IN AMPERES TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 400 400 400 400 300 300 300 300 200 200 200 200 100 90 80 70 60 50 100 90 80 70 60 50 100 90 80 70 60 50 100 90 80 70 60 50 40 40 30 30 1000 900 800 700 600 500 - DATA GENERATED IN EXCEL - 40 - 2-1/2A 30 - 2-8/10A 10 9 8 7 6 5 4 4 3 3 TIME IN SECONDS 10 9 8 7 6 5 2 2 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02 0.02 40 - 3A - 4A 10 9 8 7 6 5 4 3 3 2 2 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02 0.02 0.01 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 FCC01-KLDRP TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: KLDRP 1/10A - 30A BASIS FOR DATA: 6 of 7 SHEET 6 OF 11 4 - DATA GENERATED IN EXCEL - DRAWING NO.: 3 CHICAGO, IL. USA 2 LITTELFUSE, INC. TIME CURRENT CHARACTERISTIC CURVES 1 0.9 0.8 0.7 0.6 0.5 littelfuse.com DRAWN BY: LLL DATE: 11/12/12 REVISION: B 0.4 0.3 CURRENT IN AMPERES TEST VOLTAGE: FUSE CATALOG NUMBER: KLDRP 1/10A - 30A BASIS FOR DATA: 10 9 8 7 6 5 4 0.2 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 TIME CONSTANT/POWER FACTOR: 20 - 3-1/2A CURRENT IN AMPERES TEST VOLTAGE: 30 - 3-2/10A 0.1 0.01 0.01 - DATA GENERATED IN EXCEL - 20 20 20 TIME IN SECONDS 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 LITTELFUSE, INC. CHICAGO, IL. USA DRAWN BY: LLL DATE: 11/12/12 REVISION: B (c) 2016 Littelfuse POWR-GARD(R) Products TIME CURRENT CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - DRAWING NO.: Rev: 041416 SHEET FCC01-KLDRP 7 OF 11 POWR-GARD(R) Fuse Datasheet CLASS CC KLDR SERIES FUSES Time Current Curves 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 400 - 4-1/2A 400 400 400 300 - 5A 300 300 300 200 - 5-6/10A 200 200 100 90 80 70 60 50 100 90 80 70 60 50 100 90 80 70 60 50 40 40 40 40 30 30 30 30 20 20 20 20 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 4 4 4 4 3 3 3 3 2 2 2 2 200 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 TIME IN SECONDS TIME IN SECONDS - 6A 0.02 0.02 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02 0.02 0.01 0.01 9 OF 11 400 300 200 100 90 80 70 60 50 40 1000 900 800 700 600 500 SHEET FCC01-KLDRP 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 400 400 300 300 - 20A 300 200 200 - 25A 200 - DATA GENERATED IN EXCEL - 400 - 12A - 30A - 15A 100 90 80 70 60 50 100 90 80 70 60 50 40 40 40 40 30 30 30 30 20 20 20 20 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 4 4 4 4 3 3 3 3 2 2 2 2 TIME IN SECONDS 100 90 80 70 60 50 100 90 80 70 60 50 TIME IN SECONDS 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 DRAWING NO.: 30 20 10 9 8 7 6 5 4 3 2 200 1 0.9 0.8 0.7 0.6 0.5 - 10A 0.4 - 8A 300 0.3 400 0.1 - DATA GENERATED IN EXCEL - TIME CURRENT CHARACTERISTIC CURVES 0.2 1000 900 800 700 600 500 400 300 SHEET 8 OF 11 FCC01-KLDRP 40 30 CHICAGO, IL. USA 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 TIME CURRENT CHARACTERISTIC CURVES 0.2 0.1 1000 900 800 700 600 500 KLDRP 1/10A - 30A DRAWN BY: LLL DATE: 11/12/12 REVISION: B LITTELFUSE, INC. DRAWN BY: LLL DATE: 11/12/12 REVISION: B DRAWING NO.: FUSE CATALOG NUMBER: BASIS FOR DATA: KLDRP 1/10A - 30A CHICAGO, IL. USA TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: FUSE CATALOG NUMBER: LITTELFUSE, INC. 20 TIME CONSTANT/POWER FACTOR: BASIS FOR DATA: 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 CURRENT IN AMPERES CURRENT IN AMPERES TEST VOLTAGE: 100 90 80 70 60 50 - 7.5A 1 0.9 0.8 0.7 0.6 0.5 0.01 0.01 - 6-1/4A 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 - DATA GENERATED IN EXCEL - 20 CHICAGO, IL. USA 10 9 8 7 6 5 LITTELFUSE, INC. 4 CURRENT IN AMPERES FUSE CATALOG NUMBER: TEST VOLTAGE: KLDRP 1/10A - 30A TIME CURRENT CHARACTERISTIC CURVES 3 littelfuse.com 2 TIME CONSTANT/POWER FACTOR: BASIS FOR DATA: 1 0.9 0.8 0.7 0.6 0.5 TEST VOLTAGE: 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 CURRENT IN AMPERES DRAWN BY: LLL DATE: 11/12/12 REVISION: B DRAWING NO.: SHEET FCC01-KLDRP TIME CONSTANT/POWER FACTOR: 10 OF 11 7 of 7 FUSE CATALOG NUMBER: KLDRP 1/10A - 30A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA DRAWN BY: LLL DATE: 11/12/12 REVISION: B (c) 2016 Littelfuse POWR-GARD(R) Products TIME CURRENT CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - DRAWING NO.: Rev: 041416 SHEET FCC01-KLDRP 11 OF 11