04811.33HXM

Special Application Fuses 481 Series Alarm Indicating Fuse 481 Series Alarm Indicating Fuse RoHS Description 481 Series alarm indicating fuses are designed to reduce down time by immediately pinpointing the blown (open) circuit while triggering an LED or audio alarm. This item requires 482 Series mating fuse holder. All ranges of 481 Series fuses are available as our original design, and the 2-20 amp range is now available as a RoHS compliant option (use the “P” designator when ordering). See the part numbering section of this data sheet for related ordering instructions. Agency Approvals Agency Features Agency File Number Ampere Range E71611 0.180–20 A 29862 0.180–20 A • Color-coded indicator flags indicate ampere rating. • Clear plastic lens option available for additional safety. Electrical Characteristics • RoHS compliant % of Ampere Rating Opening Time 100% 10 Minutes, Minimum 150% 5 Minutes, Maximum • Body is constructed of black plolyphenylene sulfide with UL 94 V-0 flammability rating. • Contacts made of bright alloy-plated beryillium copper. Applications Ideal for telecommunications and control panel circuits Electrical Characteristics Ampere Rating (A) Amp Code 0.180* 0.200* 0.250* 0.375* 0.500* 0.650* 0.750* 1.00* 1.33* 1.50* 2.00 2.50 3.00 3.50 4.00 5.00 7.50 10.0 12.0 15.0 20.0** .180 .200 .250 .375 .500 .650 .750 001. 1.33 01.5 002. 02.5 003. 03.5 004. 005. 07.5 010. 012. 015. 020. Max Voltage Rating (V) Interrupting Rating 40 A @ 175 VDC 450 A @ 60 VDC 125 VAC & 125 VDC 300 A @ 125 VAC (up to 20 A) 300 A @ 125 VDC (up to 15 A) 200 A @ 125 VDC (up to 20 A) 460 A @ 60 VDC (up to 15 A) Body Color Code Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 Sec.) Yellow Red/Black Violet Gray/White Red Black Brown Gray White Yellow/White Orange Orange/White Blue Blue/White Brown/White Green White/Black White/Red Yellow/Green Blue/Red White/Green 6.25 5.70 4.20 2.00 1.52 1.25 .980 .665 .480 .385 .120 0.093 .0670 .0415 .0350 .0285 .0113 .00840 .00660 .00580 .00394 0.0400 0.0576 0.0625 0.230 0.490 0.723 1.32 1.82 3.13 2.55 10.2 16.0 25.0 10.5 36.0 64.0 121.0 380.3 571.2 900.0 1024.0 Agency Approvals x x x x x x x x x x x x x x x x x x x x x * 0.180 A thru 1.5 A items are not available for sale as a RoHS compliant “P” option **20 A Fuseholder (482 Series) must be used. Fuse is keyed to prevent insertion in lower rated holders. 20 A Fuseholder (482 Series) is designed to accept all ratings up to 20 amperes. © 2021 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: June 9, 2021 11:56 AM x x x x x x x x x x x x x x x x x x x x x Special Application Fuses 481 Series Alarm Indicating Fuse Product Characteristics Body: Polyphenylene Sulfide (UL 94VO) Terminations: Beryllium Copper/Tin Plated Optional Lens: Nylon MIL-STD-202 Method 201 Dimensions Thermal Shock Withstands 5 cycles of – 55 OC to 125 OC Insulation Resistance (After Opening) Greater than 10,000 ohms. Average Time Current Curves 22.9mm (.90") MIN. 17.8mm (.70") 21.3mm (0.84") REF. LENS 19.6mm (.77") 1000 11.7mm (.46") 16.9mm (.665") MAX. 100 2.77 (.109") 5.8mm (.23") – 55 OC to 125 OC. 4.45 (.175") 2.79 (.110") 5.3mm (.21") 1-15A 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 Vibration Operating Temperature 20A* TIME IN SECONDS Material 10 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. Part Numbering System 0.1 0.01 0.1 1 10 100 CURRENT IN AMPERES 1000 0481 .180 H XL M P RoHS ITEM OPTION CODE: Blank = Standard design item P = RoHS compliant version item (available in 2-20 Amp Range only) AMPERAGE STAMPING MARK: Blank = Standard design item M = Front Side ACCESSORY: Blank = Standard design item X = Filler XL = Protective Lens QUANTITY CODE: V = 5 pack H = 100 pack AMP COLOR CODE: (See Electrical Characteristics Table) Additional Information 1481001 Datasheet Resources Samples FUSE SERIES 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/disclaimer-electronics. © 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: June 9, 2021 11:56 AM