Images are representations only.
481 Series - Alarm Indicating Fuse for Telecom Circuits
Brand: Littelfuse, Inc481 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.
Features- Color-coded indicator flags indicate ampere rating.
- Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper.
- 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.
- Contacts made of bright alloy-plated Beryillium Copper
- RoHS compliant
Specifications
Brand
Operating Temperature
- -55° to 125° C
Material
- Body: Polyphenylene Sulfide (UL 94VO)
- Terminations: Beryllium Copper/Tin-Plated
- Optional Lens: Nylon
Thermal Shock
- Withstands 5 cycles of -55° to 125° C
Insulation Resistance (After Opening)
- Greater than 10,000 ohms
Certification & Compliance
- UL
- CSA
Vibration
- MIL-STD-202 Method 201
- Ideal for Telecommunications and Control Panel Circuits
