048101.5

Blade Terminal & Special Purpose Fuses 481 Series Alarm Indicating Fuse • Ideal for telecommunications and control panel circuits. • Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). • Clear plastic lens option available for additional safety. ® ® ELECTRICAL CHARACTERISTICS: % of Ampere Rating 100% 150% Opening Time 10 minutes, Minimum 5 minutes, Maximum AGENCY APPROVALS: Recognized under the Components Program of Underwriters Laboratories and the Components Acceptance Program of CSA. AGENCY FILE NUMBERS: UL E71611, CSA LR 29862 INTERRUPTING RATINGS: 450 300 300 200 amperes amperes amperes amperes at at at at 60 VDC 125 VAC (up to 20 amperes) 125 VDC (up to 15 amperes) 125 VDC (up to 20 amperes) Reference Dimensions: 22.9mm (.90") MIN. 17.8mm (.70") LENS 19.6mm (.77") 21.3mm (0.84") REF. 11.7mm (.46") ENVIRONMENTAL SPECIFICATION: Operating Temperature: –55°C to +125°C PHYSICAL SPECIFICATIONS: Construction Materials: Body: Terminations: Optional Lens: Polyphenylene Sulfide (UL 94V0) Beryllium Copper/Tin Plated Nylon 5.8mm (.23") 16.9mm (.665") MAX. 2.77 (.109") 5.3mm (.21") 4.45 (.175") 2.79 (.110") 1-15A 20A* PACKAGING SPECIFICATIONS: Available in five (5) packs or boxes of one hundred (100). When ordering a Five (5) Pack, please add the letter ‘V’ after the catalog number. When ordering a one hundred (100) piece box, add a ‘H’. To order the part with a Protective Lens, add the letters ‘XL’ after the package code. *20A Fuseholder must be used. Fuse is keyed to prevent insertion in lower rated holders. 20A Fuseholder is designed to accept all ratings up to 20 amperes. Average Time Current Curves 18/100 A 1/4 A 1/2 A 65/100 A 3/4 A 1A 1 1/3 A 2A 3A 4A 5A 7 1/2 A 10 A 12 A 15 A 20 A 1 10 100 CURRENT IN AMPERES ORDERING INFORMATION: Catalog Number 0481.180 0481.200 0481.250 0481.375 0481.500 0481.650 0481.750 0481001. 04811.33 048101.5 0481002. 048102.5 0481003. 048103.5 0481004. 0481005. 048107.5 0481010. 0481012. 0481015. 0481020. 0481000. Ampere Rating (A) 18/100 1/5 1/4 3/8 1/2 65/100 3/4 1 11/3 11/2 2 21/2 3 31/2 4 5 71/2 10 12 15 20* Dummy Body Nominal Cold Color Resistance Code Ohms Yellow 6.25 Red/Black 5.70 Violet 4.20 Gray/White 2.00 Red 1.52 Black 1.25 Brown .980 Gray .665 125 VAC White .480 & Yellow/White .385 125 VDC Orange .120 Orange/White .0904 Blue .0670 Blue/White .0415 Brown/White .0350 Green .0285 Black/White .0113 Red/White .00840 Green/Yellow .00660 Red/Blue .00580 Green/White .00394 ø Voltage Rating Minimum Melting I 2 t (A2 Sec.) 0.00808 0.0140 0.0356 0.028 0.139 0.278 0.363 0.733 1.58 2.55 5.29 9.46 11.2 10.5 15.4 26.2 42.8 115.3 222.5 294.22 570.0 1000 100 TIME IN SECONDS 10 1 0.1 *20A Fuseholder must be used. Fuse is keyed to prevent insertion in lower rated holders. 20A Fuseholder is designed to accept all ratings up to 20 amperes. 0.01 0.1 1000 460 w w w. l i t t e l f u s e . c o m