POWR-GARD Fuse Datasheet LDFJ SERIES - DRIVE FUSES 600 VAC/450 VDC Fast-Acting 1-600 A Specifications Voltage Ratings 600 VAC / 450 VDC (30-600 A) Interrupting Ratings 200 kA AC / 100 kA DC Ampere Range 1600 A Approvals Standard 248-8, Class J UL Listed CSA Certified Web Resources TC curves, CAD drawings and other technical information contact Tech-Line at 800-TEC-FUSE or techline littelfuse.com. Recommended Fuse Holders LFJ60 Series LFPSJ Series (1-60 A) Ordering Information Description AMPERE RATINGS LDFJ series fuses provide space saving, high-speed 1 6 20 45 90 175 350 2 8 25 50 100 200 400 performance and short-circuit protection for AC and DC 3 10 30 60 110 225 450 drives. 4 12 35 70 125 250 500 2 LDFJ series offers current limiting features with lowest I T 5 15 40 80 150 300 600 for protection of power semiconductor devices and motor controllers. AMPERE CATALOG ORDERING PACK SERIES AMP CODE RANGE NUMBER NUMBER QTY 10 PCS/ Applications 1-60 LDFJ 060 LDFJ060 LDFJ060.T BOX All AC/DC drives (Including variable frequency drives) 1 PC/ 70-200 LDFJ 110 LDFJ110 LDFJ110.V BOX Power converters and solid-state devices 1 PC/ 225-600 LDFJ 400 LDFJ400 LDFJ400.X Resistive loads, such as resistance electric heat BOX Dimensions Inches (mm) FIGURE 1 FIGURE 2 DIMENSIONS INCHES (mm) REFER TO AMPERES FIG. NO. A B C D E F G H J 1 30 1 2.25 (57.2) 0.81 (20.6) 0.50 (12.7) - - - - - - 35 60 1 2.38 (60.5) 1.06 (26.9) 0.63 (16.0) - - - - - - 70 100 2 4.63 (117.6) 1.13 (28.7) - 3.63 (92.2) 2.63 (66.8) 0.43 (10.9) 0.28 (7.1) 0.75 (19.1) 0.13 (3.3) 110 200 2 5.75 (146.1) 1.63 (41.4) - 4.38 (111.3) 3.0 (76.2) 0.43 (10.9) 0.28 (7.1) 1.13 (28.7) 0.19 (4.8) 225 400 2 7.13 (181.1) 2.11 (53.6) - 5.25 (133.4) 3.38 (85.9) 0.58 (14.7) 0.41 (10.4) 1.63 (41.4) 0.25 (6.4) 450 600 2 8.0 (203.2) 2.5 (63.5) - 6.0 (152.4) 3.75 (95.3) 0.74 (18.8) 0.53 (13.5) 2.0 (50.8) 0.38 (9.7) 1 of 2 www.littelfuse.com 2015 Littelfuse POWR-GARD Products Rev: 070915100000 100000 90000 90000 80000 80000 70000 70000 60000 60000 50000 50000 40000 40000 30000 30000 20000 20000 10000 10000 9000 9000 8000 8000 7000 7000 6000 6000 5000 5000 4000 4000 3000 3000 2000 2000 1000 1000 900 900 800 800 700 700 600 600 500 500 400 400 300 300 200 200 100 100 90 90 80 80 70 70 60 60 50 50 40 40 30 30 20 20 10 10 POWR-GARD Fuse Datasheet LDFJ Peak Let-Thru Curve LDFJ TC curve 1000 1000 900 900 100,000 100,000 800 800 90,000 90,000 700 700 80,000 80,000 600 600 LDFJ600 - 500 500 70,000 70,000 400 400 60,000 60,000 LDFJ400 - 300 300 50,000 50,000 200 200 40,000 40,000 LDFJ200 - 30,000 30,000 LDFJ100 - 100 100 90 90 80 80 70 70 20,000 20,000 LDFJ060 - 60 60 50 50 40 40 LDFJ030 - 30 30 - 30A 10,000 10,000 20 - 60A 20 9,000 9,000 8,000 8,000 - 100A 7,000 7,000 - 200A 10 10 6,000 6,000 9 9 8 8 - 400A 5,000 5,000 7 7 6 6 - 600A 5 5 4,000 4,000 4 4 3,000 3,000 3 3 2 2 2,000 2,000 1 1 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 1,000 1,000 0.5 0.5 900 900 0.4 0.4 800 800 0.3 0.3 700 700 600 600 0.2 0.2 500 500 400 400 0.1 0.1 0.09 0.09 0.08 0.08 300 300 0.07 0.07 0.06 0.06 0.05 0.05 200 200 0.04 0.04 0.03 0.03 0.02 0.02 100 100 0.01 0.01 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES Prospective R.M.S Current in Ampere TEST VOLTAGE: 600V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: TEST VOLTAGE: 600V LDFJ 30A - 600A BASIS FOR DATA: BASIS FOR DATA: LDFJ 30A - 600A DRAWN BY: LLL DRAWN BY: LLL LITTELFUSE, INC. DATE: 11/04/2015 LITTELFUSE, INC. DATE: 11/03/2015 CHICAGO, IL. USA REVISION: A CHICAGO, IL. USA REVISION: A DRAWING NO.: SHEET 2 OF 2 DRAWING NO.: SHEET 2 OF 2 PEAK LET-THRU CHARACTERISTIC CURVES FCC05-LDFJ TIME CURRENT CHARACTERISTIC CURVES FCC01-LDFJ - THIS DATA IS GENERATED IN EXCEL - - DATA GENERATED IN EXCEL - 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. 2 of 2 www.littelfuse.com 2015 Littelfuse POWR-GARD Products Rev: 070915 Melting (Pre-arcing) Time in Seconds PEAK LET- THRU IN AMPERES 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 900 900 1,000 1,000 2,000 2,000 3,000 3,000 4,000 4,000 5,000 5,000 6,000 6,000 7,000 7,000 8,000 8,000 9,000 9,000 10,000 10,000 20,000 20,000 30,000 30,000 40,000 40,000 50,000 50,000 60,000 60,000 70,000 70,000 80,000 80,000 90,000 90,000 100,000 100,000 200,000 200,000