487 Series - 420VAC/420VDC 5x20mm Fast-Acting Ceramic Body Fuse

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487 series is the first fast-acting fuse with both AC and DC rating from the Littelfuse 5X20mm fuse family. This fast-acting ceramic body fuse provides over-current protection for telecom power supplies and datacenter server power supplies where a high-voltage DC interrupting rating is required.


  • Lower I2t and faster tripping
  • High-current ratings up to 16A in a 5X20mm footprint
  • 420V AC rating
  • 420V DC rating


  • Telecom Power Supplies
  • Datacenter Server Power Supplies
  • Intelligent commercial buildings
  • High-energy and power efficient applications (3-phase power supplies, inverters, and ballasts)

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Nominal Melting I2T (A2sec)Resistance
Interrupting RatingMin Operating Temp °CMax Operating Temp (°C)Marking CodeOpeningSizeStockSamplesCompare
4870088420650.0134200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
487010104201300.0093200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
487015154201900.0075200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
487016164202600.0064200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
487020204203900.0043200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
48712.512.54201700.0078200A@420VDC-55125MXFast-Acting (F)5x20mmCheckOrder
Catalog # Certificates
Sorting icon
487008 URURTUV_50119118icon
487010 URURTUV_50119118icon
487015 URURTUV_50119118icon
487016 URURTUV_50119118icon
48712.5 URURTUV_50119118icon

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