POWR-GARD® Fuse Datasheet Class K5 – NLN/NLS Series (one-time) fuses 250/600 VAC • “One-Time” • 1-600 A Specifications Voltage Ratings Interrupting Ratings Ampere Range Approvals AC: 2 50 V (NLN) 600 V (NLS) DC: 250 V (NLN) 400 V (NLS 35 – 60 A) 500 V (NLS 8 – 30 A) (NLS 225 – 600 A) 600 V (NLS 1 – 7 A) (NLS 70 – 200 A) AC: 50 kA rms symmetrical (NLN/NLS) DC: 20 kA (NLN/NLS 1 – 60 A) 50 kA (NLN/NLS 70 – 600 A) 1 – 600 A (NLN/NLS) NLN/NLS: Standard 248-9, Class K5 UL Listed (File: E81895) CSA Certified (File: LR29862) Ordering Information 1 2 3 4 5 6 Description NLN/NLS fuses provide low cost protection for general purpose feeder and branch circuits when available short circuit currents are less than 50 kA. Canadian Electrical Code NLKP Type P fuse available. See Web Resources links for more information. Applications • General purpose residential and commercial circuits with little or no motor load. Features/Benefits • Economical • 50 kA interrupting rating • Indicating and din mount holders available 1 – 30 1 35 – 60 1 70 – 100 2 110 – 200 2 225 – 400 2 450 – 600 2 www.littelfuse.com series amperage NLS NLN 20 15 Catalog Number Ordering Number NLS020 NLN015 Series NLN NLS NLN NLS NLN NLS NLN NLS NLN NLS NLN NLS A 2 (50.8) 5 (127.0) 3 (76.2) 5 1⁄2 (139.7) 5 7⁄8 (149.2) 7 7⁄8 (200.0) 7 1 ⁄ 8 (181.0) 9 5 ⁄8 (244.5) 8 5 ⁄8 (219.1) 11 5 ⁄ 8 (295.3) 10 3 ⁄8 (263.5) 13 3 ⁄8 (339.7) 0NLS020.T 0NLN015.T Web Resources TC Curves, downloadable CAD drawings and other technical information: w ww.littelfuse.com/nln www.littelfuse.com/nls www.littelfuse.com/nlkp E C F B FIG. 1 Amperes 300 350 400 450 500 600 *NLKP series available only in those amperages preceded by an asterisk. A B Refer to Fig. No. 125 150 175 200 225 250 LFH60 Series • LFH25 Series D C ampere ratings *25 *60 *30 70 *35 80 *40 90 *45 100 *50 110 Recommended Fuse Holders Dimensions A 7 8 10 12 *15 *20 FIG. 2 Dimensions Inches (mm) C D E 12 9 16 ⁄ (12.7) ⁄ (14.3) — 5 8 13 16 ⁄ (15.9) ⁄ (20.6) — 5 8 13 16 ⁄ (15.9) ⁄ (20.6) — 5 8 ⁄ (15.9) 11 ⁄16 (27.0) — 1 8 1 (25.4) 11 ⁄16 (27.0) ⁄ (3.2) 1 8 1 (25.4) 15 ⁄ 16 (33.3) ⁄ (3.2) 3 8 9 16 3 16 1 ⁄ (34.9) 1 ⁄ (39.7) ⁄ (4.8) 3 16 13 ⁄ 8 (34.9) 127⁄ 32 (46.8) ⁄ (4.8) 14 17⁄8 (47.6) 23 ⁄ 32 (53.2) ⁄ (6.4) 14 17⁄8 (47.6) 219 ⁄32 (65.9) ⁄ (6.4) 14 2 1⁄4 (57.2) 219 ⁄32 (65.9) ⁄ (6.4) 14 2 1⁄4 (57.2) 33 ⁄ 32 (78.6) ⁄ (6.4) B ⁄ (12.7) 3 4 ⁄ (19.1) 3 4 ⁄ (19.1) 1 (25.4) 1 (25.4) 11 ⁄4 (31.8) 11⁄ 2 (38.1) 1 3 ⁄4 (44.5) 2 (50.8) 2 1⁄2 (63.5) 2 1⁄2 (63.5) 3 (76.2) 12 1 of 1 D F — — — — 3 4 ⁄ (19.1) 3 4 ⁄ (19.1) 11 ⁄8 (28.6) 11 ⁄8 (28.6) 15 ⁄ 8 (41.3) 15 ⁄ 8 (41.3) 2 (50.8) 2 (50.8) G G — — — — 15 ⁄16 (33.3) 19 ⁄16 (39.7) 1 7⁄8 (47.6) 23 ⁄32 (53.2) 213 ⁄32 (61.1) 2 7⁄ 8 (73.0) 2 7⁄8 (73.0) 37⁄16 (87.3) © 2012 Littelfuse POWR-GARD® Products Rev: 083012