Telecom Products TLN Series Telecommunications Power Fuse 170 VDC • Current-Limiting • 1 – 600 Amperes Specifications Voltage Rating: Interrupting Rating: Ampere Range: Approvals: 170 VDC 100,000 amperes 1 – 600 amperes UL Recognized under the components program (File No: E71611) Ampere Ratings 1 3 5 6 10 15 20 25 30 35 40 45 50 60 70 80 90 100 110 125 150 175 200 225 250 300 350 400 450 500 600 Example part number (series & amperage): TLN450 Recommended Fuse Blocks Telecom Products LR250 Series Refer to the Blocks & Holders section of this catalog for additional information. Features • 170 VDC • Fast acting and current-limiting • 1 to 600 amperes • Dimensionally similar to 250V Class R fuses The TLN Series fuses are specifically designed for the protection of telecommunications DC power distribution circuits. Replaces competitors’ TPN and TGN Series. Dimensions in Inches (mm in parentheses) Ampere Rating A B C D E F G H J K ⁄ (9.5) ⁄ (15.9) — — — — — — Figure 1 1 – 30 35 – 60 2 (50.8) 3 (76.2) 12 12 ⁄ (12.7) ⁄ (15.9) 9 16 5 64 3 4 ⁄ (12.7) ⁄ (19.1) 58 13 16 ⁄ (14.3) ⁄ (20.6) 3 32 ⁄ ⁄ (2.0) (2.4) 11 ⁄16 (27.0) 115 ⁄32 (37.3) 115 ⁄16 (49.2) 2 3 ⁄8 (60.3) 11 ⁄16 119 ⁄ 32 2 3 ⁄ 32 2 19 ⁄32 ⁄ ⁄ 14 ⁄ 14 ⁄ (3.2) (4.8) (6.4) (6.4) ⁄ (4.0) ⁄ (4.8) 5 32 3 16 3 8 5 8 Figure 2 70 – 100 110 – 200 225 – 400 450 – 600 5 7⁄8 (149.2) 7 1⁄ 8 (181.0) 8 5 ⁄8 (219.1) 10 3 ⁄8 (263.5) 1 (25.4) 11⁄2 (38.1) 2 (50.8) 2 1⁄2 (63.5) F G (27.0) (40.5) (53.2) (65.9) 18 3 16 A 3 4 ⁄ (19.1) 11⁄8 (28.6) 15 ⁄ 8 (41.3) 2 (50.8) A K B E D C H ⁄ ⁄ 5 8 ⁄ 3 4 ⁄ 14 7 16 (6.4) (11.1) (15.9) (19.1) ⁄ ⁄ 13 32 ⁄ 17 32 ⁄ (7.1) (7.1) (10.3) (13.5) F D 9 32 9 32 ⁄ (12.7) ⁄ (17.5) 15 16 ⁄ (23.8) 11⁄8 (28.6) 12 11 16 C B J FIG. 2 FIG. 1 78 11⁄4 (31.6) 1 27⁄32 (46.8) 2 11 ⁄ 32 (59.5) 2 27⁄ 32 (72.2) www.littelfuse.com © 2005 Littelfuse • POWR-GARD™ Products Catalog