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Eaton S520 Fast-Acting Ceramic Tube Fuses

Eaton Bussmann® S520 Fast-Acting Ceramic Tube Fuses provide reliable overcurrent protection up to 20A and 420VAC for high power and higher voltage applications respectively. Typical applications include data centers, telecom systems, and intelligent commercial buildings. The S520 fuses are available in a compact small-footprint 5mm x 20mm cartridge or axial leaded packages, providing excellent board savings. These fuses are capable of withstanding operating temperatures ranging from -55°C to +125°C, making them suitable for use in a wide range of environments. All products are lead-free, halogen-free, and RoHS compliant.

Features

  • 5mm x 20mm in size
  • Fast-acting ceramic tube
  • 420VAC rating
  • Fast blow type
  • Nickel-/silver-plated brass end construction
  • Cartridge and axial styles available

Applications

  • Datacenter server power supplies
  • Intelligent commercial buildings
  • Telecom power supplies
  • High energy and power-efficient applications
    • 3-phase power supplies
    • Inverters
    • Ballasts

Specifications

  • Temperature ranges
    • -55°C to +125°C operating (with derating)
    • -55°C to +125°C storage
  • 10N terminal strength
  • 8A to 20A current rating range
  • 420VAC rating
  • 5mΩ to 9mΩ typical DC cold resistance range
  • 102mV to 205mV typical voltage drop

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Eaton S520 Fast-Acting Ceramic Tube Fuses