BLADE TERMINAL AND SPECIAL PURPOSE FUSES 481 Alarm Indicating Type 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 22.9mm (.90") MIN. 17.8mm (.70") 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 19.6mm (.77") 11.7mm (.46") INTERRUPTING RATINGS: 450 amperes at 60 VDC 300 amperes at 125 VAC/VDC 16.9mm (.665") MAX. ENVIRONMENTAL SPECIFICATION: Operating Temperature: –55°C to +125°C LENS 5.8mm (.23") PHYSICAL SPECIFICATIONS: Construction Materials: Body: Polyphenylene Sulfide (UL 94V0) Terminations: Beryllium Copper/Tin Plated Optional Lens: Nylon 5.3mm (.21") Average Time Current Curves 1000 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 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. 21.3mm (0.84") REF. ORDERING INFORMATION: Ampere Rating 18/100 1/4 1/2 65/100 3/4 1 11/3 11/2 2 3 31/2 4 5 71/2 10 12 15 Dummy Flag Color Code Yellow Violet Red Black Brown Gray White Yellow/White Orange Blue Blue/White Brown/White Green Black/White Red/White Green/Yellow Red/Blue ø Contact Littelfuse for nominal cold resistance and melting I2t. Voltage Rating 125 VAC & 125 VDC 100 TIME IN SECONDS Catalog Number 0481.180 0481.250 0481.500 0481.650 0481.750 0481001. 04811.33 048101.5 0481002. 0481003. 048103.5 0481004. 0481005. 048107.5 0481010. 0481012. 0481015. 0481000. 10 1 0.1 0.01 0.1 1 10 100 CURRENT IN AMPERES 1000 Refer to pg.85 for Alarm Indicating Fuseholder. 83